app01: A Pathfinder

This is a computer-generated pathfinder created against the Distant Reader study called app01.

Each Distant Reader study carrel is composed of many individual items. Each item is bibliographically described with author, title, date, summary, and keyword values. Below is a list of the items' most signficant keywords as well as lists of the items themselves. Purpusing the content of this pathfinder provides the student, researcher, or scholar with one way to get their heads around the scope of the carrel. The keywords include:

Model; Data; Energy; Materials; Test; Strength; Cement; Samples; Building; Strain; Temperature; Material; System; Properties; Load; Design; Analysis; Construction; Stress; Ray; Water; Surface; Railway; Time; Results; Fuel; Modulus; Structure; Shear; Transport; Steel; Heat; Sample; Specimens; Structures; Vehicle; Method; Mass; Waste; Reinforcement; Indentation; Speed; Loading; Life; Road; Czech; Parameters; Values; Traffic; Use; Systems; Failure; Bridge; Tensile; Image; Neutron; Plasma; Safety; Wall; Track; Assessment; Process; Element; Aggregate; Soil; Measurement; Control; Tests; Area; Simulation; Carbon; Accretion; Beam; Line; Flow; Buildings; Glass; Case; Resistance; Matrix; Value; City; Force; Emission; Project; Train; Fatigue; Fibers; Layer; Methods; Period; Reliability; Pressure; Beams; Development; Crack; Earth; Phase; Sustainability; Size; Tunnel; Network; Distribution; Bar; Cvs; Planning; Aggregates; Emissions; Lines; Depth; Textile; Observations; Outburst; Nuclear; Cycles; Ground; Problem; Gpa; Turbine; Distance; Evaluation; Stars; Novae; Solution; Bending; Raman; Electron; Space; Layers; Star; Agn; Galaxies; Nova; Titanium; Stone; Stresses; Slope; Exposure; Apj; Source; Binaries; Shock; Workshop; Pyx; Damping; Arch; Block; Cells; Radiation; Binary; Brain; Cfrp; Photo; Diameter; Fans; Circularity

Depending on how this pathfinder was created, many of the bibliographic sections will include elaborations on the meaning(s) of the given keywords. These elaborations were generated by feeding the items' summaries to a large langauge model and asking the model to address the question, "What is X?", where "X" is the keyword. The result will be a few sentences of elaboration. Be forewarned. The elaborations are often plausible, but they should not be take as truth. Instead, they should be taken as points for consideration.

• Numerical modeling of concrete beams subjected to partial wetting and drying cycles by Krátký, Štěpán; Havlásek, Petr (2024) - Conclusion This paper investigated the influence of partial wetting and drying cycles on the mechanical response of plain concrete beams. The purpose of the simulations was to verify the prediction capabilities of the established constitutive models for moisture transport and creep and shrinkage of concrete and, if needed, to propose necessary corrections to the constitutive models. Keywords: beams; concrete; cycles; drying; figure; humidity; model; moisture; wetting
• A simplified design of a concrete sandwich structure containing a reinforcing rib by Macháček, Jan; Kafková, Eliška; Kabíčková, Věra; Vlach, Tomáš (2024) - [In Czech; Influence of composite shear reinforcement on bearing capacity of concrete sandwich panels]. State-of-the-art of precast concrete sandwich panels. Keywords: concrete; figure; model; panel; reinforcement; sandwich
• Formulation and implementation of nonlinear elasticity in advanced constitutive models in geomechanics by Žalská, Tereza; Šejnoha, Michal; Janda, Tomáš; Zemanová, Alena (2024) - Keywords: Hardening soil model, generalized cam clay model, soft soil model, nonlinear elasticity, oedometer, isotropic compression, triaxial compression. Hardening soil model The Hardening soil (HS) model developed in [5] and later extended in [6] to account for small strain yield- ing is plotted in Figure 1. Keywords: compression; figure; model; nonlinear; response; step; strain
• Multi-parameter optimization of layered WS2-polymer nanocomposite under mechanical loading by Kirilova, Elisaveta; Petrova, Tatyana; Boaydjiev, Boyan; Vladova, Rayka; Apostolov, Apostol; Dineva-Vladikova, Petia; Moravski, Alexander (2024) - Multi-parameter optimization problems formulation To investigate the influence of the geometry of the considered WS2/SU-8/PMMA nanocomposite struc- ture and the applied load on the delamination, multi- parameter optimization problems are formulated and solved for the two types of ISS model solutions, fea- turing real and complex roots. Keywords: 2D stress function model, interface shear stress, genetic algorithm, multi-parameter optimization problem, geometry parameters, external load, WS2/SU-8/PMMA nanocomposites, static mechanical loading. Keywords: decision; iss; layer; model; optimization; solutions; stress; structure; variables; ws2
• Comparison of Berkovich and spherical tip indentation for determining the Young’s modulus of polymer thin films encapsulated by a dielectric by Melo de Lima, Marina; Mandrillon, Vincent; Hay, Jennifer; Chapelon, Laurent-Luc; Poulain, Christophe; Lebaigue, Olivier (2024) - Afterward, the resulting elastic moduli from room temperature indentations performed with both Berkovich and 50µm radius spherical tips are com- pared. 5. Conclusions A protocol for temperature-dependent nanoindenta- tion of polymer thin films without tip contamination is described and validated. Keywords: model; modulus; polymer; simulations; temperature; tip; young
• Passive safety of light vehicles – effect of speed on the behavior of the vehicle frame structure by Cenkner, Michal; Svoboda, Josef; Toman, Přemysl (2024) - Keywords: Passive safety, quadricycles, light vehicles, urban mobility, FEM, LS Dyna, explicit dynamics, crash test, electric vehicle. Advanced structural light-weight architectures for electric vehicles, 2014. Keywords: crash; figure; impact; model; quadricycles; safety; space; survival; vehicle
• Modeling of LTO approach time-in-mode values in MATLAB using the generalized extreme value distribution by Stloukal, Bo; Nagy, Ivan (2025) - In this paper, we model TIM values of the Approach operating mode for two aircraft types (Boeing 737-800 and Airbus A320) arriving on Runway 24 at Prague Václav Havel Airport using the generalized extreme value (GEV) distribution. From these, point estimates of the distribution param- eters were made, and the resulting model was then used to generate TIM values. Keywords: aircraft; approach; distribution; emissions; lto; model; operating; parameters; tim; tim values; values
• Applicability of the SAF operation – case study of a Czech registered business aircraft operator on flights within Europe by Makovcová, Eliška; Olexa, Peter; Provinský, Pavel; Kuchkarov, Damir; Vittek, Peter (2025) - This means that if the operator fills with SAF fuel, there- fore to the full, and only a short segment follows, no fuel needs to be refilled if there is no SAF at this destination and there is a sufficient amount of fuel in the tanks from the previous flight. If SAF fuel was Figure 1. Keywords: analysis; aviation; business; co2; emissions; fuel; jet; model; operator; refueling; saf; strategy
• Tractable descriptors for digital aggregate generation by Das, Kaustav; Sýkora, Jan; Kučerová, Anna (2025) - For more informa- tion on image moments, one may refer to [16]. Basic theory of image moments Computation of image moments relies on defining an image as an intensity distribution function ρ(x, y), which in the case of single-channel binary images is given as I(x, y), where, I(x, y) Keywords: aggregates; descriptors; figure; image; model; moments; relu; shape; training
• Fractional calculus in describing the viscoelastic response of PVB foil by Hálková, Barbora; Šejnoha, Michal (2025) - The results of experimental measurements together with calibration of corresponding Maxwell chain models are presented in Section 3. By replacing the viscous dashpot with the viscoelastic springpot the fractional Maxwell model (fractional Maxwell cell) is obtained, see the rheological scheme in Figure 7. Keywords: cells; chain; figure; fractional; maxwell; model
• Prestress load distribution modeling for containment digital twin model by Ratislav, Matyáš; Patzák, Bořek; Štemberk, Petr; Štěpán, Jan (2025) - Load distribution on duct surface In the previous chapter, the duct was considered as a 1D element defined solely by its centerline. The method of applying the post-tensioning load is crucial for stress development near the ducts, thus special attention was paid to the analysis of load distribution. Keywords: containment; distribution; duct; figure; load; model; prestressing
• Deep learning-based modeling and simulation of heat conduction by Šperl, Ondřej; Sýkora, Jan (2025) - There are various types of surrogate models, each characterized by distinct advantages and tailored to specific application domains. There has been extensive research on constructing surrogate models based on the deep learning approach. Keywords: data; dataset; dnn; figure; heat; learning; model; temperature
• Gravitational Waves and Dark Energy by Biermann, Peter L.; Harms, Benjamin C. (2014) - Abstract The idea that dark energy is gravitational waves may explain its strength and its time-evolution. A possible concept is that dark energy is the ensemble of coherent bursts (solitons) of gravitational waves originally produced when the first generation of super-massive black holes was formed. Keywords: brane; density; energy; model; planck; time; waves
• Origin of X-ray Spectral Variation and the Seemingly Broad Iron-Line Spectral Feature in Seyfert Galaxies by Ebisawa, Ken; Iso, Naoki; Miyakawa, Takehiro; Inoue, Hajime (2014) - In the present paper, we explore the Suzaku archive to select Seyfert galaxies which show similar X-ray spectral characteristics to MCG-6-30-15, and apply the VPC model to see if their X-ray intensity and spectral variations are explained by this model or not. 146 Acta Polytechnica CTU Proceedings 1(1): 146–150, 2014 146 doi: 10.14311/APP.2014.01.0146 Origin of X-ray Spectral Variation and the Seemingly Broad Iron-Line Spectral Feature in Seyfert Galaxies Ken Ebisawa1,2, Naoki Iso1,2, Takehiro Miyakawa3, Hajime Inoue1 1Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210 2Department of Astronomy, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 3Tsukuba Space Center (TKSC), Japan Aerospace Exploration Agency (JAXA), 2-1-1 Sengen, Tsukuba-shi, Ibaraki 305- 8505, Japan Corresponding author: ebisawa@isas.jaxa.jp Abstract Keywords: covering; model; ray; spectra; time
• Suzaku View of Magnetic Cataclysmic Variables by Yuasa, T. (2015) - Particular emphasis is placed on the recent update of X-ray spectral model of intermediate polars, possible kinematically redshifted fluorescent Fe K emission lines, and the magnetic CV contribution to the Galactic ridge X-ray emission. 4 Serendipitous Discoveries Although Suzaku X-ray telescope has a tightly colli- mated field of view of ∼ 18 arcmin× 18 arcmin, sev- eral new magnetic CVs are identified with their intense three Fe Kα emission lines as presented in Figure 6. Keywords: emission; magnetic; model
• Inner Disk Structure of Dwarf Novae in the Light of X-Ray Observations by Balman, S. (2015) - On the other hand, some DN show increased level of X-ray emission (GW Lib & U Gem: Byckling et al. 2009, Guver et al. 2006). During the outburst stage, DN X-ray spec- tra differ from the quiescence since the accretion rates are higher (about two orders of magnitude), the BL is expected to be optically thick emitting EUV/soft X- rays (Lasota 2001, see the X-ray review in Kuulkers et al. 2006). Keywords: accretion; disk; dwarf; emission; et al; model; outburst; quiescence; ray
• Model Atmosphere Spectrum Fit to the Soft X-Ray Outburst Spectrum of SS Cyg by Suleimanov, V. F.; Mauche, C. W.; Zhuchkov, R. Ya.; Werner, K. (2015) - Here we present our attempt to fit the Chandra LETG spectrum of SS Cyg using such model spectra. Federal University, Kremlevskaya str. 18, 42008 Kazan, Russia 3Lawrence Livermore National Laboratory, L-473, 7000 East Ave., Livermore, CA 94550, USA Corresponding author: suleimanov@astro.uni-tuebingen.de Abstract The X-ray spectrum of SS Cyg in outburst has a very soft component that can be interpreted as the fast-rotating optically thick boundary layer on the white dwarf surface. Keywords: cyg; log; model; spectrum; surface
• Outburst Properties of V1504 Cyg and V344 Lyr by Cannizzo, J. K. (2015) - References [1] Cannizzo, J.K.: 1993a, in Accretion Disks in Compact Stellar Systems ed., J.C. Wheeler (Singapore: World Scientific), 6. Other strengths of the theory include its natural ability to account for slow and fast decays of DN outbursts as being due either to viscous or thermal decay, the natural tendency of the model to produce alternating long and short outbursts (Cannizzo 1993b), and the fact that the outer disk radius router contin- ues to contract in quiescence following a DN outburst, whereas in the secondary mass-overflow model there is a one-to-one relation between disk luminosity and router (Ichikawa & Osaki 1992). Keywords: cannizzo; cyg; disk; instability; model; outbursts; systems
• Application of Total Variation Minimization to Doppler Tomography by Uemura, M.; Kato, T.; Nogami, D.; Mennickent, R. (2015) - Is it possible to use TVM in 3D Doppler tomography? 174 http://dx.doi.org/10.14311/APP.2015.02.0174 Application of Total Variation Minimization to Doppler Tomography The isotropic total variation ΦTVM,iso is defined as ΦTVM,iso(s) = ∑ Keywords: doppler; model; s−1; −2000
• The Role of Magnetic Field for Quiescence-Outburst Models in CVs by De Bianchi, S.; Braga, V. F.; Gaudenzi, S. (2015) - For this process to occur, an intense magnetic field 106−108 G is required; primaries with such fields do exist in Interme- diate polars (IPs) and Polars that owe their properties to the very primary magnetic field (Patterson 1994). 192 Acta Polytechnica CTU Proceedings 2(1): 192–196, 2015 192 doi: 10.14311/APP.2015.02.0192 The Role of Magnetic Field for Quiescence-Outburst Models in CVs S. De Bianchi1,2, V. F. Braga3, S. Gaudenzi1 1Dept. of Physics, Università degli Studi di Roma ”La Sapienza”, Piazzale A. Moro 5, 00185 Rome, Italy 2École Normale Supérieure, CNRS-UMR 8547, Rue d’Ulm 45, 75005 Paris, France 3Dept. of Physics, Università Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy Corresponding author: Keywords: accretion; disk; field; instability; magnetic; mnras; model; outburst
• ANALYSIS OF WELDED POLYPROPYLENE STRUCTURES: COMBINATION OF EXPERIMENTS AND SIMULATIONS by Distlbacher, Theresa; Reiter, Martin; Major, Zoltan (2016) - An illustration of the experimentally determined true stress over true strain and the material model curves for parent material and extrusion K-weld can be seen in Figure 1. Reference model: The parent material model was assigned to the sheet and the weld geometries. Keywords: figure; material; model; strain; stress; weld
• STATISTICAL EVALUATION OF FATIGUE DATA OF COMPONENTS by Chung, Chi Nghia; Major, Zoltan (2016) - Keywords: fatigue models, statistical evaluation, reliability, techniques of parameter fitting, JMP. Fatigue Models In general, Fatigue models are quantifications of phys- ical material properties. Keywords: data; fatigue; figure; jmp; material; model; reliability
• THERMAL-HYDRAULIC ANALYSIS OF IRT-4M IN REACTIVITY INSERTION ACCIDENT AT VR-1 REACTOR by Fejt, Filip (2016) - Coolant temperatures The temperatures of flow surfaces are shown in Fig. It can be clearly seen that both RELAP5 and TRACE have a very good agreement in coolant temperatures between outside fuel layers. Keywords: convection; coolant; flow; fuel; heat; model; reactor
• PARCS/TRACE COUPLING METHODOLOGY FOR ROD EJECTION ON VVER 1000 REACTOR by Ruščák, Marek; Mazzini, Guido (2016) - geometry definitions of PARCS and TRACE codes have to be the same. Main objective of this paper is to demonstrate in a practical example of three- dimensional accident scenario of VVER 1000 reactor an acquisition of PARCS code for 3D reactor kinetics and its coupling with system thermo-hydraulic code TRACE. Keywords: calculation; code; core; coupling; cross; ejection; figure; fuel; model; parcs; power; trace
• CFD SIMULATION OF UPWARD SUBCOOLED BOILING FLOW OF FREON R12 by Romsy, Tomas; Zacha, Pavel (2016) - Subcooled flow boiling is expected to realize the high heat flux cooling for electronic devices Subcooled flow boiling also plays a significant role in case of cooling of plasma facing component of thermonuclear reactors. Keywords: boiling; case; figure; flow; heat; model; profile; radial; temperature; wall
• MODELLING OF NUCLEAR FUEL CLADDING TUBES CORROSION by Cech, Miroslav; Sevecek, Martin (2016) - Nuclear fuel cladding alloys developed for usage in PWR reactors [5]. During the evolution of the nuclear fuel, fuel ven- dors and research organizations developed dozens of concepts of fuel cladding alloys. Keywords: alloys; cladding; corrosion; fuel; layer; model; nuclear; temperature; thickness; zirconium
• ASSETS OF MODEL METRO STATION AND THEIR CRITICALITY by Kertis, Tomáš; Procházková, Dana (2016) - This procedure is a common part of formation of safety management systems in all sys- tems, i.e. also in railway domain. Ea rt hq ua ke Li qu ef ac tio n of gr ou nd G as re le as e Ep id em ic Pa nd em ic W el fa re di sr up tio n C rim e In te nt di sr up tio n Te rr or ist ic at ta ck A tt ac k w ith C B R N E A rm ed co nfl ic t W ar In du st ria la cc id en t Le ak ag e of ha za rd ou s Tr affi c ac ci de nt B la ck ou t D isr up tio n of ec on om y Human lives and healthy 1 1 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Property and places 1 1 1 2 0 0 0 2 3 3 3 3 3 1 3 2 2 0 1 1 1 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 2 1 1 2 0 0 0 2 3 3 3 3 3 2 3 3 3 0 Energetic devices 1 1 1 2 0 0 0 2 3 3 3 3 3 1 3 2 2 0 1 1 1 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 2 1 1 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 Communication equipment 2 2 2 2 0 0 0 2 3 3 3 3 3 1 3 2 3 0 2 2 2 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 2 2 2 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 Machinery 1 1 1 2 0 0 0 2 3 3 3 3 3 1 3 2 2 0 2 2 2 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 3 3 3 3 0 0 0 3 3 3 3 3 3 3 3 3 2 0 Air conditioning 1 1 1 2 0 0 0 2 3 3 3 3 3 2 3 2 2 0 2 2 2 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 3 3 3 3 0 0 0 3 3 3 3 3 3 3 3 3 3 0 Mobile machines and devices 1 1 1 1 0 0 0 3 3 3 3 3 3 3 3 3 3 0 1 1 1 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 2 1 1 3 0 0 0 3 3 3 3 3 3 3 3 3 0 0 Next important equipment 1 1 1 1 0 0 0 3 3 3 3 3 3 3 3 3 3 0 1 1 1 2 0 0 0 2 3 3 3 3 3 2 3 3 2 0 2 1 1 3 0 0 0 3 3 3 3 3 3 3 3 3 0 0 Station nodes of control systems of metro system 1 1 1 0 0 0 1 1 1 1 1 1 1 1 3 1 1 0 1 1 1 0 0 0 2 1 1 2 1 1 2 1 3 1 1 0 3 2 2 0 0 0 3 2 2 3 3 2 2 2 3 2 2 0 Protection systems 1 1 1 0 0 0 1 1 1 1 1 1 1 1 3 1 1 0 1 1 1 0 0 0 2 1 1 2 1 1 2 2 3 1 1 0 3 2 2 0 0 0 3 2 2 3 3 2 3 3 3 2 2 0 Linkages and flows 1 1 1 0 0 0 1 1 1 3 3 3 3 3 3 3 3 3 1 1 1 0 0 0 2 1 1 3 3 3 3 3 3 3 3 3 3 2 2 0 0 0 3 2 2 3 3 3 3 3 3 3 3 3 Table 3. Keywords: assets; control; criticality; disasters; human; infrastructure; metro; model; operation; protection; safety; station; system
• COMPARISON OF VIRTUAL FIELDS METHOD, PARALLEL NETWORK MATERIAL MODEL AND FINITE ELEMENT UPDATING FOR MATERIAL PARAMETER DETERMINATION by Dirisamer, Florian; Çakmak, Umut D.; Kállai, Imre; Machado, Martín; Major, Zoltán (2016) - Extracting material parameters from test specimens is very intensive in terms of cost and time, especially for viscoelastic material models, where the parameters are dependent of time (frequency), temperature and environmental conditions. The nonlinear inherent viscoelastic material behaviour of the EPDM Shore A 50 with a maxi- mum elongation of several hundred percent makes it further complicated to extract material parameters for the whole range of time (frequency), temperature and environmental conditions relevant for the appli- cation Keywords: figure; material; model; parameters; strain; s−1; test
• NUMERICAL DISCRETISATION OF BUILT STRUCTURES ASSUMPTION AND REALITY by Gutermann, Marc; Schröder, Carsten (2016) - BELFA Test Loading of Stone Masonry Arch Bridge, Hanover The results showed, that there was an effective load transfer in the backing and that this influence stays constant even at higher load levels including partial safety factors (see Tab. 1). The modelling of boundary conditions as well as material parameters were calibrated using experimental results and led to a more realistic folded-plate-discretisation (see Fig. 3). Keywords: discretisation; load; model; numerical; results; structures
• VALIDATION AND IMPLEMENTATION OF FAILURE PARAMETERS IN INTEGRATED SIMULATIONS FOR SHORT FIBRE REINFORCED POLYPROPYLENE by Kalteis, Anna; Reiter, Martin; Jerabek, Michael; Major, Zoltán (2016) - Simulation model of tensile test As the specimens show a fibre orientation distribu- tion through the thickness this distribution has to be discretised for the simulation model. Simulation model with 4 layers. Keywords: failure; fibre; material; model; parameters; simulation; strain; tensile; test
• NUMERICAL PREDICTIONS AND MECHANICAL TESTING OF BRAIDED COMPOSITE STRUCTURES UTILISING DIGITAL IMAGE CORRELATION by Pitz, Emil; Miron, Matei-Constantin; Kállai, Imre; Major, Zoltán (2016) - Material Model To take into account the meso-structure of the com- posite in the presented modelling approach it is dis- tinguished between yarn behaviour (intra-yarn be- haviour) and yarn-to-yarn interactions (inter-yarn be- haviour). For the numerical model the entire braided structure is modelled at yarn detail level, taking into account the yarn behaviour as well as individual yarn-to-yarn interactions by using cohesive contact definitions. Keywords: behaviour; failure; figure; model; numerical; strain; yarn
• RIGHTING OF CHINESE MITTEN CRABS (ERIOCHEIR SINENSIS) AND THEIR MODELS by Riphaus, Tobias; Hoffmann, Florian; Labisch, Susanna (2016) - Leg positions at the end of PI (I), end of PS (II) and the target position (III) in grey. For phase 3a the maximum is at 35% of leg stroke with a mean force 0.015 ± 0.003 N and a maximum peak of 0.018 ± 0.002 N. Figure 3. Keywords: body; figure; force; leg; model; sinensis; velocity
• MODEL CAR TRANSPORT SYSTEM - MODERN ITS EDUCATION TOOL by Bouchner, Karel; Mashko, Alina (2017) - Model vehicles are equipped with an electric motor, a steering apparatus, a rechargeable battery, an on/off switch on the bottom of the car to start it and a reed sensor that responds to magnet effect. Physical part of road construction in differ- ent sections (left – four-way highway, right – elevated intersection) and model vehicles. Keywords: city; control; figure; model; system; traffic; transport; vehicles
• SIMULATION OF ELECTRIC AND HYBRID VEHICLES IN A VEHICLE SIMULATOR BASED ON A DETAILED PHYSICAL MODEL, FOR THE PURPOSE OF HMI EVALUATION by Rozhdestvensky, Dmitry; Fulem, Josef (2017) - 3. Function mockup interface Functional Mock-up Interface (FMI) is a standard to support both model exchange and co-simulation of dynamic models developed in different independent tools, its primary goal is to support the exchange of simulation models between suppliers and OEMs, providing a possibility to protect product knowledge, which could be recovered from these models. Modelica model architecture (example of schematic diagram and corresponding programming code). Keywords: electric; engine; figure; hmi; model; modelica; simulation; vehicle
• INTERACTIVE MOTION PLATFORMS AND VIRTUAL REALITY FOR VEHICLE SIMULATORS by Thöndel, Evžen (2017) - Interactive motion platforms are intended for vehicle simulators, where the direct interaction of the human body is used for controlling the simulated vehicle (e.g. bicycle, motorbike or other sports vehicles). The second use of interactive motion platforms is for entertainment purposes or fitness. Keywords: model; motion; platform; reality
• COMPARATIVE ANALYSIS OF BEARING CAPACITY OF REINFORCED AND NON-REINFORCED RAILWAY EMBANKMENT by Jíra, Josef; Jírová, Jitka; Micka, Michal; Řezníčková, Jitka (2017) - It is suitable for the stabiliza- tion of road and railway embankments and removing unwanted traffic settlement structures in low strin- gency (clay) soils. Computation model of reinforced embankment 2.1. Keywords: bearing; cement; columns; embankment; figure; geogrid; model; railway
• CORRELATION RELATIONSHIPS FOR THE HYPOPLASTIC MODEL FOR FINE GRAINED SOILS by Kadlíček, Tomáš; Janda, Tomáš; Šejnoha, Michal (2017) - The second option assumes a calibration procedure in the form of tables or graphs enabling the determination of model parameters on the basis of specific input data. Apart from model parameters and the Atterberg limits Wl and Wp, the table also offers the percentage content of fine soil particles fwith the diameter d < 0.063mm. Keywords: correlation; model; parameters; soil
• NON-INVASIVE INVERSE PROBLEM IN CIVIL ENGINEERING by Havelka, Jan; Sýkora, Jan; Kučerová, Anna (2017) - In this contribution we focus on recovery of spatial distribution of material parameters utilizing only non-invasive boundary measurements. = 0.0017 [-] Figure 3. Mean (A) and standard deviation (B) of reconstructed conductivity field. Keywords: boundary; element; field; finite; inverse; material; measurements; model; problem; solution
• MODAL ANALYSIS FOR REVISION OF A FEM MODEL OF A STEEL TRUSS BEAM by Venglar, Michal; Sokol, Milan; Marfoldi, Monika (2017) - Keywords: Modal analysis, revision of FEM model, experimental measurements, rivet joint connection. At the beginning, the whole mass did not correspond to the mass of numerical model. Keywords: fem; figure; measurements; model; numerical
• CALCULATION UNCERTAINTIES IN SPENT FUEL INVENTORY DETERMINATION by Czakoj, Tomas; Frybort, Jan; Lovecky, Martin (2018) - Al- though fuel temperature change seems to be much low important than the previously mentioned, it is impor- tant to remember that fuel temperature changes are much high than the moderator temperature changes. The impact of fuel radius change is negligible, which is probably caused by modification of fuel density made with the objective of preserva- tion of fuel content. Keywords: calculation; change; content; depletion; effect; figure; fuel; model; uncertainties
• PREDICTION OF THE DEVELOPMENT OF GROUNDWATER QUALITY IN A FINISHED SLUDGE LAGOON by Černoch, Petr; Košťál, Jiří (2018) - This concerns mainly a rise in groundwater level due to superimposed load on the structure [1]. Keywords: Transport of contaminants, sludge bed, geotechnical risks. Keywords: area; bed; groundwater; level; model; sludge; sludge bed; values
• ANALYSIS OF REMEDIAL ACTIONS DESIGNED TO STABILIZE A HIGHWAY CUT IN A LANDSLIDE AREA by Turček, Peter; Šúl'ovská, Monika; Kopecký, Miloslav; Panuška, Jakub (2018) - Analysis showed that an increasing volume of moving mass results in a slight increase of forces pressure acting on the upper wall. [kN] [kN] [-] 0 SM upper wall 1438.71 1784.57 480.92 - 70.63 1.35 0 SM bottom wall 1888.38 2386.94 553.57 599.48 500.01 1.35 1 SM upper wall 1576.61 1935.44 514.57 - 86.80 1.347 1 SM bottom wall 1876.11 2384.93 574.18 595.60 504.24 1.347 2 SM upper wall 1588.54 1955.27 518.02 - 81.89 1.355 2 SM bottom wall 1842.98 2651.77 574.58 558.31 172.32 1.355 3 SM upper wall 1642.00 2076.95 633.63 - 113.79 1.34 3 SM bottom wall 1871.58 2698.28 596.31 562.98 177.27 1.34 Table 3. Keywords: fem; forces; model; slip; upper; wall
• CALIBRATION OF INPUT PARAMETER VALUES FOR AN ADVANCED MATERIAL MODEL OF SPRAYED CONCRETE by Závacký, Martin; Chalmovský, Juraj; Miča, Lumír; Bílek, Petr (2018) - Keywords: Shotcrete, triaxial tests, calibration, material model, numerical analysis. Alternatively, this paper presents a practical example based on a set of laboratory tests performed on shotcrete samples taken from an exist- ing underground structure. Keywords: concrete; model; mpa; shotcrete; softening; strain; tests
• MECHANICAL MODEL FOR HUMAN BALANCING ON ROLLING BALANCE BOARD by Molnar, Csenge A.; Zelei, Ambrus; Insperger, Tamas (2018) - Influence of stance width on frontal plane postural dynamics and coordination in human balance control. Keywords: balance board, human balancing, stability, stabilizability, stabilometry, time delay. Keywords: angle; balance; balance board; balancing; board; body; control; fig; model; time
• NUMERICAL MODELLING OF COMPRESSIVE CHARACTERISTICS OF AUXETIC STRUCTURES by Neuhäuserová, Michaela; Koudelka, Petr (2018) - Deformation energy density of RVE with respect to re-entrant angle size The values of deformation energy density are in- versely proportional to the size of re-entrant angle for both loading modes. The paper is focused on numerical analysis of mechanical behaviour of auxetic structures with re-entrant tetrakaidecahedral unit cell subjected to uni-axial quasi-static compression. Keywords: cell; density; model; ratio; structure; unit
• MODELLING AND SIMULATION OF ROCKING SUITCASES by Horvath, Hanna Zsofia; Takacs, Denes (2018) - Example from an OptiTrack measurement, unstable motion. Additionally, in case of con- tacting wheel, the spatial motion of the suitcase is influenced by the kinematic constraints, which makes the derivation of the equation of motion more compli- cated. Keywords: ground; model; motion; suitcase; wheel
• RESIDUAL HEAT POWER REMOVAL FROM SPENT NUCLEAR FUEL DURING DRY AND WET STORAGE by Vlček, Daniel (2018) - The TN- 24P PWR spent fuel storage cask: testing and analysis. As other options, it has to guarantee the cooling of fuel assemblies. Keywords: assemblies; assembly; cask; cobra; code; fig; fuel; heat; model; storage; temperature
• COMPARISON OF DRYING SHRINKAGE AND DRYING CREEP KINETICS IN CONCRETE by Dohnalová, Lenka; Havlásek, Petr (2018) - 3 where the normalized drying creep is plotted against normalized drying shrinkage. Comparison of normalized drying shrink- age and normalized drying creep evolution according to the selected design codes and prediction models. Keywords: concrete; creep; data; drying; humidity; model; prediction; shrinkage; specimens
• BAYESIAN INFERENCE OF HETEROGENEOUS VISCOPLASTIC MATERIAL PARAMETERS by Janouchová, Eliška; Kučerová, Anna (2018) - Modelling of heterogeneous materials based on randomness of model input parameters involves parameter identification which is focused on solving a stochastic inversion problem. It can be formulated as a search for probabilistic description of model parameters providing the distribution of the model response corresponding to the distribution of the observed data. Keywords: bayesian; data; distribution; identification; material; model; parameters
• CONSTITUTIVE MODEL FOR TIMBER FRACTURE USED FOR FE SIMULATION OF LVL ARCH by Šmídová, Eliška; Kabele, Petr (2018) - In the end, we can compare the results for Yellow Poplar LVL arch from smeared crack model to the results calculated by interface scheme Regarding significant variability of timber material parameters, the results show that the model can reproduce the increasing part of the load-displacement response well. Keywords: analysis; arch; crack; crown; lvl; model; timber
• RELATION BETWEEN STATIONARY AND MOVING PEDESTRIAN LOAD MODELS by Štěpánek, Jan; Máca, Jiří (2018) - 119 http://dx.doi.org/10.17559/TV-20131030105641 http://dx.doi.org/10.1016/j.jsv.2004.01.019 http://dx.doi.org/10.1155/2016/3430285 Acta Polytechnica CTU Proceedings 15:114–119, 2018 1 Introduction 2 Pedestrian load models 2.1 Single pedestrian load 2.2 Stationary pedestrian load model 2.3 Moving pedestrian load model 3 Parametric study 3.1 set of simply supported beams 3.2 Response of the structure 3.2.1 Response to stationary pulsating force 3.2.2 Response to moving pulsating force 3.3 Evaluation 4 Verification of the proposed formula 4.1 locked TMD 4.2 free TMD 5 Conclusions Acknowledgements References Stationary pedestrian load model The stationary pulsating force can be a simple way to find out the response of structure to dynamic pedes- trian load. Keywords: force; load; model; pedestrian; stationary; structure
• CFD FLOW ANALYSIS OF THE CANTILEVER MICRO-TURBINE by Syka, Tomáš; Weiß, Andreas P. (2018) - Discussed total-to-static isentropic turbine efficien- cies (Eq. 1) use actual enthalpy drop determined by measured turbine power (PT ur/ṁ) divided by the ideal total-to-static isentropic enthalpy drop (ht0 − hs2,is). but we encountered some limits in a form of the local inaccuracy at the interface between stator and rotor turbine domains which probably af- fects an overall simulation results. Keywords: casing; cfd; figure; flow; micro; model; outlet; results; turbine
• INVERSE COMPUTATIONAL DETERMINATION OF JOHNSON-COOK PARAMETERS USING THE SHPB TEST APPARATUS by Mauko, Anja; Nečemer, Branko; Ren, Zoran (2019) - Final values of JC material parameters. εnp ) · ( 1 + C · ln ( ε̇p ε̇0 )) · ( 1 − ( T − Tr Tm − Tr )m) , (1) where A, B, C, n and m are model parameters, εp is the effective plastic strain, ε̇p ε̇0 is the normalized plastic strain-rate, T is material temperature, Tr is the room temperature and Tm is the melting temperature. Keywords: material; model; parameters; shpb; strain; stress
• HOMOGENIZATION OF UNREINFORCED OLD MASONRY WALL COMPARISON OF SCALAR ISOTROPIC AND ORTHOTROPIC DAMAGE MODELS by Bernardo, Vasco; Krejčí, Tomáš; Koudelka, Tomáš; Šejnoha, Michal (2020) - Damage models Generally, damage models distinguish three states of the material - virgin material, damaged material and pseudo-undamaged states. Particularly the dif- ference in the predicted strength is attributed to the fact that unlike in scalar isotropic damage model the orthotropic damage model reduces the stiffness inde- pendently in the principal strain direction according to Eq. Keywords: damage; isotropic; masonry; material; model; strain
• MODELLING OF CRACK PROPAGATION: COMPARISON OF DISCRETE LATTICE SYSTEM AND COHESIVE ZONE MODEL by Mikeš, Karel; Bormann, Franz; Rokoš, Ondřej; Peerlings, Ron H.J. (2020) - Keywords: Lattice model, damage, finite element method, cohesive zone model, three-point-bending test, crack propagation. 1. Introduction Lattice models with dissipative interactions are often used for modelling of materials with discrete micro- structures such as textile, paper, 3D printed materials, or concrete; see e.g. [1–3]. The accuracy and perfor- mance of cohesive zone model predictions are assessed on the example of crack propagation in a three-point- bending test, as shown in Figure 1, by comparison with the exact underlying full lattice model. Keywords: crack; displacement; energy; figure; force; lattice; model; zone
• INFLUENCE OF MATERIAL DAMPING ON THE RESPONSE OF UNDERGROUND STRUCTURES SUBJECTED TO EARTHQUAKE by Pavelcová, Veronika; Poklopová, Tereza; Šejnoha, Michal; Janda, Tomáš (2020) - This comparison of the response of damped model with FBB and undamped model with QBB is plotted in Fig. Comparison of damped model with FBB and undamped model with QBB. Keywords: analysis; boundary; damping; earthquake; fig; material; model; time
• DENSITOMETRY-BASED FEM SIMULATIONS OF NOVEL POROUS IMPLANTS AND CORRESPONDING STRESS DISTRIBUTION AT THE PERI-IMPLANT AREA by Řehounek, Luboš; Jíra, Aleš (2020) - The results show that, as predicted, porous implants achieve higher values of minimum principal stress in the bone as opposed to homogeneous implants (13.4 MPa vs. 7.0 MPa), thus reducing stress shielding. The idea of porous implants is based on this fundamental law so as to provide greater loads to the bone and prevent the effect of stress-shielding. Keywords: bone; fig; implant; model; stress; structure
• EULER AND EXPONENTIAL ALGORITHM IN VISCOELASTIC ANALYSES OF LAMINATED GLASS by Schmidt, Jaroslav; Zemanová, Alena (2020) - [m m ] 1e 7+4.2e 5 DETAIL (b) uniformly distributed time steps with ∆t = 0.125 The difference in results is negligible for values of time steps needed in proposed phase-field formulation. Keywords: backward; euler; exponential; figure; glass; interlayer; material; model; time
• MUPIF WORKFLOW EDITOR AND AUTOMATIC CODE GENERATOR by Šulc, Stanislav; Šmilauer, Vít; Patzák, Bořek (2020) - A simplified Python code of a simulation with two models can look like this: tm = thermal_model() mm = mechanical_model() tm.initialize(’input_t.in’, ...) mm.initialize(’input_m.in’, ...) while timeKeywords: model; mupif; simulation; workflow
• RELATION BETWEEN HARDNESS OF (Ti, Al)N BASED MULTILAYERED COATINGS AND PERIODS OF THEIR STACKING by Zaoui, Mehdi; Bourceret, Alexandre; Gaillard, Yves; Giljean, Sylvain; Rousselot, Christophe; Pac, Marie-José; Richard, Fabrice (2020) - One way to improve the hardness of that kind of coatings consists in depositing multilayer films. Modelling of multilayer films, (a) with perfect interfaces (b) with a transition layer. Keywords: films; indentation; model; multilayer; tial
• BIM – AN APPLICATION IN GEOTECHNICAL ENGINEERING by Vaníček, Ivan; Pruška, Jan; Jirásko, Daniel (2021) - The position of geotechnical BIM model for various geotechnical structures. Ground model is time dependant as geological profile and geotechnical properties are refinement during each phase of ground investigation as well during geotechnical structure construction. Keywords: bim; construction; engineering; model; phase; process; structures
• RECENT ADVANCES IN SIMULATING LANDSLIDE AND DEBRIS FLOW by Wu, Wei (2021) - Introduction Landslides are caused by slope failures. Strain localization and triggering of slope failure by FEM Soil often fails through localized deformation in the form of shear bands, which give rise to progressive fail- ure in slopes with over-consolidated soil. Keywords: debris; failure; flow; method; model; numerical; shear; slope; soil
• SIZE EFFECT ON THE ULTIMATE DRYING SHRINKAGE OF CEMENT MORTAR: 1-YEAR EXPERIMENT AND NUMERICAL MODELING by Dohnalová, Lenka; Havlásek, Petr; Šmilauer, Vít; Reiterman, Pavel; Davidová, Vendula (2021) - A disagree- ment among the different models prevails also in the question of the size-effect on the ultimate value of drying shrinkage [2] which is addressed in this paper. Even though the ultimate values of drying shrinkage have not been reach so far, the size-effect has become almost stable and there is no indication that is should vanish com- pletely. Keywords: concrete; creep; drying; effect; humidity; mm d; model; shrinkage; size
• COMPARING THE HOEK-BROWN AND MOHR-COULOMB FAILURE CRITERIA IN FEM ANALYSIS by Poklopová, Tereza; Pavelcová, Veronika; Šejnoha, Michal (2021) - = σ1 − σ3 − σci η ! mb −σ1 σci + s a , (15) 72 vol. This is sup- ported by the possibility of estimating these param- eters through simple empirical formulas on the basis of HB model parameters Keywords: brown; hoek; model; strength; stress
• APPLICATION OF THE MORI-TANAKA METHOD TO DESCRIBE THE RATE-DEPENDENT BEHAVIOR OF UNIDIRECTIONAL FIBROUS COMPOSITES by Valentová, Soňa; Šejnoha, Michal; Vorel, Jan; Sedláček, Radek; Padevět, Pavel (2021) - Keywords: Fibrous composites, generalized Leonov model, homogenization, Maxwell chain model, Mori-Tanaka method, periodic unit cell, viscoelasticity. The creep strain increment follows from the Eyring flow model as dep dt = 1 2A sinh(τ/τ0) , (4) where A and τ0 are model parameters determined ex- perimentally from either uniaxial Keywords: composites; matrix; method; model; strain; stress; tanaka
• THERMO-MECHANICAL MODEL FOR CONCRETE PAVEMENT by Veselý, Jakub; Šmilauer, Vít (2021) - Concrete slab and its monitoring A new section of D1 highway, the key infrastructure construction in the Czech Republic, is situated in central Moravia between cities Lipník nad Bečvou and Přerov. This paper describes a numerical thermo-mechanical model for concrete pavement, implemented in OOFEM software. Keywords: concrete; figure; model; pavement; slab; temperature
• MODELLING OF TIME-DEPENDENT BEHAVIOUR OF PARTICULATE THERMOSET POLYMERS by Vozáb, Jan; Vorel, Jan (2021) - Microplane model M4 The microplane material model M4 [7] is the fourth version of the microplane model introduced by Bažant Microplane model: (a) distribution of integration points (microplane normals) - system of 21 microplanes per hemisphere; (b) microplane strain components include any variation δεij , the result is the following basic equilibrium equation Keywords: behaviour; creep; material; microplane; model; volume
• Calculation of the minimal length of the high-speed line by Nachtigall, Petr; Tischer, Erik (2021) - Balancing energy consumption and risk of delay in high speed trains: A three-objective real-time eco-driving algorithm with fuzzy parameters. Most important are the tractive characteristics of trainsets, maximum speed, weight, adhesive weight, and vehicle resistance. Keywords: distance; length; line; model; simulation; speed; time
• THE IMPORTANCE OF A COMBINED 3D MODEL OF GROUND AND GEOTECHNICAL STRUCTURE by Vaníček, Ivan; Jirásko, Daniel (2022) - The mutual connection of a 3D model of ground with a 3D model of geotechnical structure can help to give a clearer view of the interaction of this structure and ground. Keywords: 3D ground model, 3D model of geotechnical structure, BIM, phases of geotechnical investigation, principles of sustainable construction. Keywords: construction; design; ground; investigation; model; structure
• 3d finite element simulation of reinforced concrete column strengthened by partially confined carbon fibre reinforced polymer under concentric loading by Ahmad Zakwan, Fariz Aswan; Ismail, Ruqayyah; Ahmad, Hazrina; Muhammad Rashid, Raizal Saifulnaz (2022) - The predicted model discovered to agrees well with the experimental work output. Keywords: ABAQUS, CFRP, finite element, RC column. ABAQUS nonlinear analysis of circular hollow RC column Three types of nonlinearities exist in concrete mate- rials, namely material nonlinearity, geometric nonlin- earity, and contact nonlinearity [6–11]. Keywords: cfrp; column; concrete; element; finite; model; � �
• Application of high performance concrete for reconstruction by Broukalová, Iva; Kohoutková, Alena; Horáková, Anna; Schreiberová, Hana (2022) - By using an appropriate finite element software (e.g., ATENA, ABAQUS) and material models, the studies have been generally able to successfully describe the structure behaviour with only little (no more than 13.4%) deviations from the mechanical test results. The experimental loading curve of strengthened panels compared with the ATENA sim- ulation with material parameters based on the prior calibration procedures. Keywords: analysis; concrete; experimental; layer; material; model; panels; strengthening; uhpc
• Long span post-tensioned box girder bridge in Bratislava by Chalupec, Adrián; Ondroš, Martin; Novotný, Petr (2022) - Accurate camber calculations are key to the success of the construction of long span bridges built by the balanced cantilever method. The structure has been assessed in the construction stages during balanced cantilever construction of bridge superstructure and in the final stage of the bridge use. Keywords: bridge; construction; core; model; piers; section; span
• Predicting leakage of the VERCORS mock-up and concrete containment buildings - a digital twin approach by Charpin, Laurent; Haelewyn, Jessica; El Idrissi, Anass Cherki; Niepceron, Julien; Masson, Benoît; Toulemonde, Charles; Boulant, Guillaume; Mathieu, Jean-Philippe; Hamon, François; Michel-Ponnelle, Sylvie; Hénault, Jean-Marie; Taillade, Frédéric; Adia, Jean-Luc; Escoffier, Florian (2022) - Keywords: Air leakage, concrete containment building, creep, drying, shrinkage. Structural monitoring of prestressed concrete containments of nuclear power plants for ageing management, Structural Mechanical in Reactor Technology 21:6-11, 2011. Keywords: concrete; containment; drying; edf; figure; leakage; mock; model; vercors; � �
• Using an analysis of concrete and cement epd: verification, selection, assessment, benchmarking and target setting by Schmitt, Lucie; Jeong, Jena; Potier, Jean-Marc; Izoret, Laurent; Mai-Nhu, Jonathan; Decousser, Nicolas; Pernin, Thomas (2022) - The amount of carbon dioxide bound varies according to the type of binder, the compacity of concrete and the environmental conditions during the use and the end-of-life stages. In addition, FD CEN/TR 17310 provides detailed recommendations regarding carbonation and absorption of carbon dioxide in concrete and give some precisions for application of NF EN 16757. Keywords: building; carbonation; co2; concrete; dioxide; model
• Heat transfer model verification for thermal monitoring system of integral bridges by Jonáš, Martin; Zatloukal, Jan (2022) - These documents provide wide and spe- cific approach to consideration of thermal actions on bridge structures. Ther- mometers dedicated for concrete temperature mea- surement are all specifically prepared for quick, accu- rate and safe installation into bridge structure. Keywords: abutment; bridge; concrete; deck; model; structure; system; temperature
• Benchmark VERCORS 2022: mechanical response of the prestressed concrete containment wall to ambient conditions by Krátký, Štepán; Havlásek, Petr (2022) - Material models 2.2.1. Identified parameters of material model MPS. Parameter Value C1 28.2 mm2day−1 α0 0.055 hc 0.7 n 10 f 1.08 mm day−1 Table 3. Keywords: concrete; conditions; creep; henv1; model; temperature; wall
• Microstructure reconstruction via artificial neural networks: a combination of causal and non-causal approach by Latka, Kryštof; Doškář, Martin; Zeman, Jan (2022) - Values of the volume fraction error εφ, depending on neighbourhood radius hr and pooling size nrp. Values of the two-point probability error εS2 , depending on neighbourhood radius hr and pooling size nrp. Keywords: image; microstructure; model; neighbourhood; pooling; radius
• Phase-field damage of laminated glass in explicit dynamics by Schmidt, Jaroslav; Janda, Tomáš (2022) - The results of damage fields are plotted in Figure 6, where (a) is mesh M1 50× 50, (b) is mesh M2 50× 50, (c) is mesh M1 100× 100 and finally (d) is mesh M2 100× 100 all evaluated in end time. In this contribution we investigate possibilities of explicit phase field dynamic model with specific use on glass plates, especially applied for dynamic impact load. Keywords: crack; damage; field; figure; mesh; model; phase; plate; time
• Generation of mesostructure for lattice discrete particle model by Vozáb, Jan; Vorel, Jan; Marcon, Marco; Podroužek, Jan; Wan-Wendner, Roman (2022) - Therefore, we tried to influence the distribution when creating the structure and modified the algorithm of particle placement ac- cording to a gradient-based field The LDPM material model response is dependent on particle distribution, and thus multiple simulations are needed to provide credible results [5]. Keywords: concrete; fig; generation; ldpm; model; particles
• Kalker’s coefficient c11 and its influence on the damping and the retuning of a mechanical drive torsion system of a railway vehicle by Dybala, Vojtěch (2022) - Keywords: Kalker, natural frequency, railway vehicle, torsion system, wheel-rail contact. Natural frequencies of torsion system Keywords: contact; figure; model; rail; system; torsion; wheel
• Railway track deflection analysis by using evolutionary algorithms by Kulich, Pavel; Plášek, Otto (2022) - When solving the problem, we look for a combination of model parameters that leads to the best possible solution. Keywords: Railway track deflection, reverse analysis, evolutionary algorithms. Keywords: analysis; deflection; layer; model; parameters; track
• Innovation and experimentation of adaptive model for curtain wall by Milardi, Martino; Grillo, Evelyn (2022) - The Test Cell is a structure for the thermodynamic characterization of building envelope systems in full scale and is equipped with a Hot-Heat flow evaluation box Future trends and main concepts of adaptive facade systems. Keywords: building; cfm ×; change; curtain; mock; model; performance; pressure; test; value; × ft2
• Circular design strategies through Additive manufacturing: MoDom, a “circular building” housing model by Giglio, Francesca; Lauria, Massimo; Sansotta, Sara (2022) - The evaluation of the results obtained determined the prerequisites for designing a replicable Circular Building model by 3D printing using a lignin-based biopolymer. Thus, a Circular Building is defined as “a building that is developed, used and reused without unnecessary depletion of resources, [. . . Keywords: additive; building; construction; design; economy; manufacturing; materials; model; process; production; use
• Calibration of a summer building simulation model based on monitoring of user behaviour by Szagri, Dóra; Kairlapova, Ainur; Nagy, Balázs; Szalay, Zsuzsa (2022) - Implementing user behaviour on dynamic building simulations for energy consumption. According to the literature, the most common causes are specifi- cation uncertainty in building modelling, occupant behaviour, and poor practice in operation, with sub- stantial impacts (10–80 %) on energy use Keywords: building; energy; figure; model; monitoring; simulation; temperature; user; values
• Supporting sustainable policies through an Urban Energy-Environmental Model and a Multi-Criteria Analysis: a case study in an Italian province by Belussi, Lorenzo; Barozzi, Benedetta; Bellazzi, Alice; Danza, Ludovico; Devitofrancesco, Anna; Ghellere, Matteo; Salamone, Francesco (2022) - [kg CO2] of the archetypes, expressed per square meter of building area, are calculated using the EnergyPlus simulation tool and its interface DesignBuilder®, in- cluding heating, cooling, domestic hot water produc- tion, lighting and ventilation energy services. Keywords: Urban planning, urban energy environmental model, multi-criteria analysis, analytical hierarchical process. Keywords: analysis; areas; building; energy; environmental; index; model; overheating; performance; urban
• Measurement and CFD analysis of a local radiant cooling solution by Najaf Khosravi, Shiva; Teufl, Helene; Mahdavi, Ardeshir (2022) - Keywords: Radiant cooling panel, thermal comfort, air flow, CFD simulation. Conclusion Using local radiant cooling panels has been suggested to be a potentially promising alternative to tradi- tional air-conditioning system. Keywords: air; building; cfd; cooling; energy; environment; model; panel; simulation; turbulence; velocity
• BIM based hygrothermal modelling of building constructions by Fürtön, Balázs; Nagy, Balázs (2022) - Building material properties transferred from Revit to Comsol. In the case of new constructions or building renovations, properly designed hygrothermal behaviour of building materials, elements and structures are unavoidable to achieve the objectives mentioned above. Keywords: bim; building; comsol; geometry; ham; hygrothermal; model; modelling; revit; simulation
• Towards an automatized and objective assessment of data from visual inspections of building envelopes by Mandinec, Jan; Johansson, Pär (2022) - Selection of renovation measures related to building envelope are often far from optimal as decisions are usually made based on visual inspections. Practical applicability of pre-trained frameworks in detecting defects on building envelopes may be well illustrated on the work done by Wang Keywords: building; computer; damage; data; detection; envelope; images; joints; model; study; vision
• Use of energy profile indicators to determine the expected range of heating energy consumption by Loga, Tobias; Stein, Britta; Behem, Guillaume (2022) - These “energy profile indicators” are used as input for an energy perfor- mance calculation to determine an expected range of actual energy consumption. However, huge challenges are faced when cross-section and longitudinal analyses are needed to get an overall view of the refurbishment progress and energy consumption of housing stocks. Keywords: building; calculation; consumption; data; energy; heat; housing; indicators; input; insulation; model; performance; profile; uncertainty; use; values
• Advanced modelling of concrete structures for improved sustainability by Rymeš, Jiří; Červenka, Jan; Pukl, Radomír (2022) - The effect of the chloride 194 vol. 38/2022 Advanced modelling of concrete structures for improved sustainability attack was evaluated using the chloride transport and reinforcement corrosion models implemented in the framework of non-linear FE analysis. Inputs for the chloride ingress and corrosion models. Keywords: bridge; cables; chloride; concrete; corrosion; load; model; pre; reinforcement; system
• Flood risk assessment for road infrastructures using Bayesian networks: case study of Santarem - Portugal by Arango, Erica; Santamaria, Monica; Nogal, Maria; Sousa, Hélder S.; Matos, José C. (2022) - Keywords: Bayesian networks, decision-making, flood risk assessment, road networks. Factors affecting the flood risk of road infrastructures For flood risk assessment of road infrastructures, it is important to consider the main causing factors, such as the likelihood of the flood occurrence, the structure vulnerability to flooding, and the infrastructure im- portance. Keywords: assessment; bayesian; data; density; factors; figure; flood; flood risk; infrastructure; model; network; risk; road; study; sub
• Practical concepts for the use of probabilistic methods in the structural analysis and reassessment of existing bridges - presentation of latest research and implementation by Braml, Thomas; Kainz, Christian (2022) - The use of probabilistic verification formats is explicitly permitted by the German guideline for the assessment of existing bridges (German: Nachrechnungsrichtlinie). Keywords: Existing bridges, existing concrete structures, modified partial safety factors, statical recalculation, structural analysis, structural assessment, structural reassessment. Keywords: analysis; bridges; calculation; data; factors; figure; load; methods; model; reassessment; reliability; safety; structure; traffic; use
• Artificial intelligence - finite element method - hybrids for efficient nonlinear analysis of concrete structures by Kraus, Michael A.; Bischof, Rafael; Kaufmann, Walter; Thoma, Karel (2022) - Keywords: Concrete material model, machine and deep learning, nonlinear finite element method, surrogate modeling, uncertainty quantification. The performances of different AI models according to the mentioned criteria are reported in Tab. 6 for configuration CF 0 (without reinforcement) and in Tab. 7 for configuration CF 1 (with reinforcement). Keywords: algorithms; component; concrete; data; fem; material; model; reinforcement; results; stiffness; stress
• On the treatment of measurement uncertainty in stochastic modeling of basic variables by Küttenbaum, Stefan; Maack, Stefan; Taffe, Alexander; Braml, Thomas (2022) - This uncertainty can be referred to as measurement uncertainty. Keywords: Existing structures, FORM, measurement uncertainty, nondestructive testing, reliability assessment. Keywords: assessment; data; information; input; measurement; measurement uncertainty; model; quantities; quantity; reliability; type; uncertainty
• Reliability of existing reinforced concrete slabs exposed to punching shear by Marková, Jana; Holický, Milan; Jung, Karel; Sýkora, Miroslav (2022) - Uncertainty in shear resistance models of reinforced concrete beams according to fib MC2010. The punching shear resistance of RC flat slabs with- out shear reinforcement is mainly influenced by the concrete compressive strength, tensile flexural rein- forcement ratio, size and geometry of the column and the slab depth Keywords: concrete; design; model; punching; reinforcement; reliability; resistance; shear; slab; structures
• Establishing model uncertainty of SLS reinforced concrete crack models applied to load-induced cracking by McLeod, Christina Helen (2022) - Supervisor Prof RI Gilbert, 2010. 134 https://doi.org/10.1016/j.probengmech.2015.09.008 https://doi.org/10.1016/j.probengmech.2015.09.008 https://doi.org/10.1002/suco.201200060 https://doi.org/10.1002/suco.201900036 https://doi.org/10.1002/suco.201700248 https://doi.org/10.1016/j.engstruct.2020.110979 https://doi.org/10.1016/j.engstruct.2020.110979 Acta Polytechnica CTU Proceedings 36:127–134, 2022 1 Introduction 2 Model Uncertainty Treatment 3 Deterministic analysis of predicted crack width 3.1 BS 8007 crack model 3.2 EN 1992 crack model 3.3 MC 2010 crack model 4 Quantification of crack model uncertainty 4.1 Experimental database 5 Discussion on Model Uncertainty Quantification 5.1 Short term Tension 5.2 Long term tension 5.3 Evaluation of crack models - Pearson's correlations 5.4 Comparison to Flexure Model Uncertainty 6 Summary and concluding remarks References In addition, crack models are mostly empirically or semi-empirically derived so have not been assessed to any extent in reliability terms. Keywords: concrete; crack; cracking; model; parameters; tension; term; uncertainty; width
• Probabilistic assessment and sensitivity analysis of existing concrete bridge via surrogate modeling by Novák, Lukáš; Novák, Drahomír (2022) - The bridge was selected in the framework of the European Project INTERREG AUSTRIA-CZECH REPUBLIC TCZ190 SAFEBRIDGE focused on advanced numerical analysis of existing bridges represented by non-linear finite element model. Keywords: Concrete structures, polynomial chaos expansion, sensitivity analysis, statistical analysis. Keywords: analysis; bridge; concrete; model; numerical; order; pce; results; sensitivity
• Semi-probabilistic assessment of existing bridge using simplified methods for estimation of variance by Novák, Lukáš; Novák, Drahomír (2022) - Semi-probabilistic methods There are several safety formats and semi-probabilistic methods for determination of a design value of re- sponse in normative documents or scientific papers, which are briefly described in the following paragraphs. Main advantage of safety formats and semi-probabilistic methods is possibility of their usage without complex reliability knowledge. Keywords: bridge; concrete; ecov; input; methods; model; novák; probabilistic; variables
• Influence of plastic tension chord deformation on the shear capacity of prestressed beam elements by Thoma, Sebastian; Fischer, Oliver (2022) - In particular, characteristic bearing mechanisms of prestressed continuous girders with a low amount of shear reinforcement are con- tinuously under discussion. As stated in [7], the assumption of a shear force bearing capacity derived from shear reinforcement is always limited by the bearing capacity of the concrete compression struts, which in turn depends on the ef- fective concrete compressive strength and thus on the general state of strain. Keywords: compressive; concrete; input; model; parameter; reinforcement; shear; sobol; strain; strength; variance
• Structural reliability of hollow core slabs considering compressive membrane action by Thienpont, Thomas; Van Coile, Ruben; De Corte, Wouter; Caspeele, Robby (2022) - Compressive membrane action can considerably improve the load bearing capacity of concrete slabs and beams in case of excessive loaded due to an accidental event. The above result highlights the importance of con- sidering the stochastic nature of the concrete tensile strength in a probabilistic assessment of concrete slabs prone to shear failure. Keywords: capacity; concrete; load; model; restraint; slabs; test
• The role of multi-fidelity modelling in adaptation and recovery of engineering systems by Teixeira, Rui; Martinez-Pastor, Beatriz; Nogal, Maria; Micu, Alexandra; O’Connor, Alan (2022) - While significant research has been di- rected to the need for accurate system models that can 229 R. Teixeira, B. Martinez-Pastor, M. Nogal et al. When the population size of 100 individuals is applied jointly with the convergence of the fitness function for 50 generations, the effective- ness of the HF DM making decreases substantially (decision times increase by more than 3); while in practical terms the MF model is largely unaffected by this. Keywords: adaptation; decision; model; network; recovery; system; time
• Probabilistic models for resistance variables in fib Model Code 2020 for design and assessment by Sýkora, Miroslav; Botte, Wouter; Caspeele, Robby; Diamantidis, Dimitris; Muttoni, Aurelio; Steenbergen, Raphaël D.J.M. (2022) - Comparison of design and assessment requirements In this section, the requirements imposed by the rec- ommended values of the partial factors according to Eurocodes (EC, primarily intended for design), draft MC 2020 for design (MC design), and for assessment (MC assessment) are compared. The ratio of section or reinforcement area required by MC assessment to the requirement by Eurocodes becomes: ρc,ex = Ac,ex Ac,EC = γC,ex Ed,ex(κ) fck,is γC,EC Ed,EC(κ) Keywords: assessment; concrete; design; factors; model; resistance; strength; structures; uncertainty
• Energy performance estimation for large building portfolios with machine learning-based techniques by Montet, Frédéric; Pongelli, Alessandro; Rial, Jonathan; Schwab, Stefanie; Hennebert, Jean; Jusselme, Thomas (2022) - In this context, establishing priorities in refurbishment strategies at the scale of a city or a group of buildings is important. This work includes (a) the integration of a knowledge database thanks to the Swiss CECB energy performance certificates, referencing more than 70 000 buildings, (b) the preparation of a training data set through the selection of relevant physical characteristics of buildings (input) and the corresponding energy consumption labels (output), (c) the development of predictive models used in a supervised way, (d) their evaluation on an independent test set. Keywords: building; certificates; class; data; dataset; energy; model; performance; value; variables
• A guideline to support the use of off-site solutions for façade retrofitting through BIM-enabled processes by Cucuzza, Marco; Di Stefano, Andrea Giuseppe; Iannaccone, Giuliana; Masera, Gabriele (2022) - • Stages 1, 2: the data flow was defined and the as-is BIM model was produced based on a survey. • Digital Twin model from Stage 8. • Keywords: bim; building; construction; design; energy; guideline; information; model; panels; process; site; stage
• Rescue of a stone bridge with respect to current condition and standards by Řeřicha, Petr; Fajman, Petr; Davis, Lucy (2022) - Finite element bridge models The original restoration concept, ecological impact 3 Load capacity of stone arch bridges 3.1 Material models 3.2 Finite element bridge models 3.3 Load model 3.4 Results for the design load of the Ponikla central span 4 Conclusion Acknowledgements References Keywords: arch; bridge; linear; load; masonry; material; model; stone
• Modelling of fission gas release in UO2 doped fuel using transuranus code by Gonzalez, Jheffry; Ševecek, Martin (2022) - Table 5 shows the fission gas release obtained during the post irradia- tion examination and the fission gas release predicted by transuranus using fission gas diffusivity case B. This work is introducing a novel fission gas diffusivity model for doped fuel in transuranus code. Keywords: case; diffusivity; fission; fuel; gas; model; release; rod; transuranus
• Proposal of point-wise power reconstruction for IRT-4M fuel assemblies in coupled Monte-Carlo calculations by Jíška, Pavel; Frýbort, Jan (2022) - In the Figure 3, reference values of power density im- balance factors k (i) q for fuel tubes cells in core positions E6 and B6 are depicted. These notations will be used throughout this work for a simplification: (1.) cell-based model where the detailed FA model is utilized and a mesh of cell detectors (MOCD) is directly included in the main universe as individual fuel meat cells, (2.) universe-based model where the simplified FA model is utilized and a mesh of cell detectors (MOCD) is included in a separate universe as mesh of individual detector cells over- lapping the main universe, (3.) Keywords: cell; detectors; fuel; function; mesh; model; power; rbf; reconstruction
• Validation of a longitudinal motorcycle riding dynamic model for a powered two-wheeler interactive simulator by Svoboda, Josef; Toman, Přemysl; Orlický, Adam (2022) - we observe a steady ratio of number of road accidents caused by motorcycle riders and total number of peo- ple killed in road accidents. It means that 2 % of accidents caused by motorcycle riders stand behind 10 % of people killed. Keywords: data; figure; km·h−1; model; motorcycle; rider; simulator; speed
• Measurement and evaluation of cement paste porosity by electrochemical impedance spectroscopy by Chalupová, Jana; Němeček, Jiří; Hybášek, Vojtěch; Pommer, Vojtěch; Němeček, Jiří (2023) - Resistance and capacitance of cement paste samples evaluated with different equivalent circuit models: EC, SEC. 0 40/2023 Measurement and evaluation of cement paste porosity . . . Keywords: cement; concrete; eis; impedance; measurement; model; paste; pores; porosity; samples; sec; spectroscopy
• Extracting general knowledge of model parameters for clays out of numerous laboratory tests by Pavelcová, Veronika; Janda, Tomáš (2023) - In comparison to high-plasticity clay, only moderate correlations between Atterberg’s limits and model parameters have been observed for low-plasticity clay. Then a method of how could existing data be used to obtain general knowledge of the prop- erties of these individual parameters was presented in Section 4 and finally, the paper summarized extracted basic statistical data of model parameters with respect to USCS classification in Section 5. Keywords: cam; clay; clay model; laboratory; line; model; parameters; soil; state
• Benchmark VERCORS 2022: blind prediction of time-dependent behavior of concrete containment building with low and high-fidelity models by Krátký, Štěpán; Havlásek, Petr (2023) - 1000 J · kg−1 · K−1, heat conductivity k = 1.7 W·m−1·K−1, and surface factor a = 8 W·m−2·K−1. 49 Štěpán Krátký, Petr Havlásek Acta Polytechnica CTU Proceedings Figure 2. LFM – structural model. HFM – structural model of concrete con- tainment building. Keywords: benchmark; concrete; creep; drying; figure; hfm; lfm; model
• Analysis of tunnel excavation based on linear DFN-FEM modelling by Lebeda, Martin; Kabele, Petr (2023) - In the rock mass with vertical fractures, the higher initial horizontal stress results in horizontal convergence, which is signifi- cantly larger than the vertical one (Figure 7). According to the current state of art in the field of rock mechanics, brittle structures (or fractures, in- cluding faults and joints) have the dominant effect on the overall mechanical response of the rock mass [1]. Keywords: dfn; excavation; figure; fractures; model; rock; size; stiffness; stress; tunnel; volume
• Hygro-mechanical model for concrete pavement with long-term drying analysis by Veselý, Jakub; Šmilauer, Vít (2023) - Performance evaluation of concrete pavement slab considering creep effect by finite element analysis. Concrete slab should be able to cope with the resulting fracture process zone since the slab is contin- uously supported and controlled by displacement to a large extent. Keywords: concrete; drying; figure; hygro; location; model; moisture; pavement; shrinkage; slab; strain; stress; term
• Analysis of objective eye tracking data used for vehicle assessment by Novotný, Jan (2023) - Keywords: Eye tracking, customer interest, eye fixation, driver distraction. This paper describes the application of eye tracking technology in the automotive industry in the context of vehicle assessment in customer clinics. Keywords: design; eye; eye tracking; model; technology; tracking
• U SMART ZONE – Creating highly realistic virtual environment for vehicle-in-the-loop simulations by Piksa, Ondřej; Orlický, Adam; Scháno, Martin (2023) - Keywords: Virtual environment, human-in-the-loop, hardware-in-the-loop, vehicle simulation. Test your self-driving algorithm: An overview of publicly available driving datasets and virtual testing environments. Keywords: environment; figure; model; quality; simulation; systems; testing; vehicle
• Simulation assessment of the headway under the ETCS L3 by Nachtigall, Petr; Tischer, Erik (2023) - Comparison of Automatic train Comparison of Automatic train control system and ETCS L2 control system and ETCS L3 Section [s] Model of the track equipped by ETCS L3. Keywords: application; etcs; headway; model; simulation; system; train
• The influence of the construction of tram fronts on the consequences of accidents with passenger cars by Seidl, Jakub (2023) - Table 3 shows the number of tram accidents recorded by individual transport companies [11]. The most common type of tram accidents with cars were front-side accidents from the right side (the total of 1 838 accidents). Keywords: accident; car; cars; collision; consequences; figure; impact; model; research; simulation; tram; transport; type; vehicles
• Evaluation of ATLHAMC12 subchannel code for total loss of flow scenario by Křeček, Tomáš; Foral, Štěpán (2023) - Radial nodalization of APR1400 reactor core model of ALTHAMC12 and VIPRE-01 codes. Evaluation of THALES subchannel code behavior for loss of flow and RCP rotor seizure scenarios. Keywords: althamc12; code; core; figure; fuel; mdnbr; model; subchannel
• Possibilities of complex numerical modelling at the Czech Geotechnical Society workplace by Vaníček, Martin; Jirásko, Daniel; Šiška, Zdeněk (2023) - Selected properties of soils used in the analyses. geotechnical model was refined in terms of new em- bankment fill properties based on its testing. Geometric 3D model of the dam The construction of the model of the dam body, its surroundings and geology was supported by the ma- terials given by the Directorate of the Derbandikhan Dam. Keywords: complex; dam; embankment; figure; model; numerical
• Measurement of asphalt concrete base thickness using ultrasonic pulse echo by Šnédar, Jaroslav; Bartoň, Vojtěch; Cikrle, Petr (2024) - B-scan and A-scan measurements of model thickness. Results of thickness measurement in selected lines II-IV and points B – G on model No. 1. (a). Keywords: asphalt; line; measurement; model; thickness

• Validation of geotechnical laboratory tests data obtained from various sources by Pavelcová, Veronika; Janda, Tomáš (2024) - Although template differs for fine-grained and coarse-grained soils, the major- ity of data worksheets remains the same. Number of CIUP test data inputs is lower than 50. (2.) Keywords: data; laboratory; rec; soil; test; worksheet
• Transforming point cloud data into 3D BIM models: a case study on slabs by Zbirovský, Slávek; Nežerka, Václav (2024) - Computational methods of acquisition and processing of 3D point cloud data for construction applications. We explore the automatized transition of point cloud data into a Building Information Model (BIM), an essential task for reconstructions, demolition plans, or auditing. Keywords: bim; building; cloud; data; ifc; point
• Digital reconstruction of real (near) accidents of vulnerable road users (VRU) in the Czech Republic – modern technology brings new perspectives by Piksa, Ondřej; Ritter, Jan; Drbohlav, Pavel; Petrán, Tomáš (2024) - Using the scanners and drone for comparison of point cloud accuracy at traffic accident analysis. In cooperation with the Czech Police and the Vision 0 platform, preventive actions using VR simulations based on real traffic accidents are still ongoing. Keywords: accident; analysis; application; czech; data; detection; figure; image; object; points; results; road; safety; scene; traffic; use; video; vru
• Comparison of RGB and multispectral cameras for targeted applications in agriculture by Pinkas, Jaroslav; Toman, Přemysl; Svoboda, Josef (2024) - An autonomous UAV mission at 100m was used to collect RGB data with a resolution of 2.42 cmpx−1 (9mb/frame size) and multispectral data with a resolution of 4.84 cmpx−1 (40mb/frame size). Another output is an accurate geotagged orthomosaic of the Earth’s surface, both in the visible RGB spectrum used, for example, on various map portals and with multispectral data for spectral analysis using vegetation indices. Keywords: camera; data; field; figure; ndvi; resolution; rgb; uav
• Automatic detection of sleep spindles by neural networks algorithms by Rychlík, Jan; Mouček, Roman (2024) - Example of EEG sleep spindles; adopted from [4]. This research aims to introduce, formulate, execute, and assess diverse machine/deep learning methodologies tailored for the processing of EEG signals geared explicitly towards identifying sleep spindles. Keywords: cnn; data; dataset; eeg; lstm; network; sleep; spindles
• Statistical analysis of accident data on D1 motorway by Woletz, Jakub (2025) - Recent advances in traffic accident analysis and prediction: A comprehensive review of machine learning techniques, 2024. The data show that traffic accidents account for most incidents, especially in sections with heavy traffic and difficult weather conditions. Keywords: accidents; analysis; data; incidents; motorway; number; road; traffic
• Traffic accident analysis using EDR data: a case study of a multicollision event by Mikyska, Daniel (2025) - Vehicle collision position TRG 2. (a). Vehicle collision position TRG 3 and TRG 4. impact, i.e. acceleration from left to right. Keywords: accident; data; event; trg; vehicle
• Abrupt change detection in railway noise data by Kruntorád, Jan; Reznychenko, Tetiana; Červenka, Petr (2025) - In addition to wavelet methods, statistical tech- niques such as the Kolmogorov-Smirnov statistic have been utilized for abrupt change detection. The integration of machine learning techniques into abrupt change detection has also shown promise. Keywords: abrupt; changes; data; detection; noise; railway; signal
• Commonly used methods to monitor driver’s drowsiness and fatigue with a focus on the interior camera by Kotas, Filip; Leistner, Jan (2025) - Keywords: ADAS, driver drowsiness, driver fatigue, driver attention system, vehicle interior camera. The aim of this article is to provide a comprehensive overview of the methods used to detect driver fatigue, drowsiness and inattention. Keywords: accuracy; camera; data; driver; drowsiness; fatigue; figure; methods; respondents; time
• Planck 2013 Cosmology Results: a Review by Rubino-Martín, José Alberto (2014) - The Planck data also pro- vides stringent new constraints on cosmic strings and other defects (Planck Collaboration XXV 2013). Finally, deviations from the simplest inflationary scenario are discussed in Planck Collaboration XVI and XXII (2013), including tests of specific inflation- ary models, isocurvature modes, and broken scale- invariance. Keywords: a&a; cmb; collaboration; data; planck; planck collaboration
• Auger Highlights by Castellina, Antonella (2014) - 132 Acta Polytechnica CTU Proceedings 1(1): 132–138, 2014 132 doi: 10.14311/APP.2014.01.0132 Auger Highlights Antonella Castellina 1 for the Pierre Auger Collaboration 2 1Istituto Nazionale di Astrofisica - OATo and INFN Torino 2Observatorio Pierre Auger, Av. Figure 3: The Pierre Auger data in the (< lnA > , σ2 lnA) plane for different hadronic interaction models. Keywords: auger; collaboration; composition; data; energy; models; pierre; pierre auger; rays
• Latest Results from the Fermi Gamma-Ray Telescope by Morselli, Aldo (2014) - [17] and Fermi LAT [Fermi Coll.], ApJ 697 (2009) 1071-1102 Keywords: coll; dark; data; energy; fermi; gamma; lat; limits; matter; ray
• AGILE Highlights after Six Years in Orbit by Pittori, Carlotta (2014) - AGILE is char- acterized by a very large field of view (∼ 3 sr), a good angular resolution, 0.1 - 0.2 degrees in gamma rays and 1-2 arcminutes in X rays, and a small dead time (100 µs), which make it a very good instrument to study per- sistent and transient gamma-ray sources even on very short timescales. Acknowledgement Research partially supported through the ASI grants I/089/06/2, I/042/10/0 and I/028/12/0. 161 Carlotta Pittori References [1] Abdo, A. A., et al. 2009, Science, 326, 1512. doi:10.1126/science.1182174 [2] Abdo, A. A., et al. 2011, Science, 331, 739. doi:10.1126/science.1199705 [3] Ackermann, M. et al., 2013, Science 339, 807. Keywords: data; emission; energy; et al; gamma; mev; ray; sources; tavani
• A Review of Astrophysical Jets by Beall, James H. (2014) - Beall et al. conducted the observing campaign of Cen A at three different radio frequencies in conjunction with observations from two different x-ray instruments on the OSO-8 spacecraft in the 2-6 keV and 100 keV x- ray ranges. The results of these campaigns show similarities and significant differences in the data from some epochs of galactic microquasars, including GRS 1915+105, the concurrent radio and x-ray data (Beall et al., 1978) on Centaurus A (NGC 5128), 3C120 (Marscher (2006), and 3C454.3 as reported by Bonning et al. (2009), to name a few. Keywords: beall; data; et al; jet; jets; radio; ray; variability
• HAVmS: Highly Available Virtual Machine Computer System Fault Tolerant with Automatic Failback and Close to Zero Downtime by Federici, Memmo; Gaibisso, Carlo; Martino, Bruno L. (2014) - 278 Acta Polytechnica CTU Proceedings 1(1): 278–282, 2014 278 doi: 10.14311/APP.2014.01.0278 HAVmS: Highly Available Virtual Machine Computer System Fault Tolerant with Automatic Failback and Close to Zero Downtime Memmo Federici1, Carlo Gaibisso2, Bruno L. Martino3 1Istituto di Astrofisica e Planetologia Spaziali, INAF IAPS Via fosso del Cavaliere 100, 00133 Roma, Italy 2Istituto di Analisi dei Sistemi ed Informatica ”Antonio Ruberti”, IASI-CNR Viale Manzoni 30, 00185 Roma , Italy 3Associated INAF IAPS Corresponding author: memmo.federici@iaps.inaf.it Abstract In scientific computing, systems often manage computations that require continuous acquisition of of satellite data and the management of large databases, as well as the execution of analysis software and simulation models (e.g. Monte Carlo or molecular dynamics cell simulations) which may require several weeks of continuous run. These servers, to ensure an acceptable level of reliabil- ity, should be equipped by systems for the backup of the status of the provided services and the data they deal with. Keywords: case; data; fault; havms; server; services; system
• Recent Results from the SAFIR Project by Sánchez-Portal, M.; Castillo-Fraile, M.; Almeida, C. Ramos; Esquej, P.; Alonso-Herrero, A.; Pérez García, A. M.; Acosta-Pulido, J.; Altieri, B.; Bongiovanni, A.; Castro Céron, J. M.; Cepa, J.; Coia, D.; Conversi, L.; Fritz, J.; Gonzalez-Serrano, J. I.; Hatziminaoglou, E.; Povic, M.; Rodrguez Espinosa, J. M.; Valtchanov, I. (2014) - The quality of the Her- schel data is allowing us to study the spatial distri- bution of dust within the galaxies, thus permitting to characterize the variation of dust properties (tempera- ture, dust mass) and SFR with the nuclear distance. Therefore, dust thermal emission should be made-up of three different contributions: (a) warm dust heated by the AGN (120-170 K); (b) cold dust heated by the star formation (40-70 K, and (c) very cold dust heated by the general interstellar radiation field (15-25 K). Keywords: agn; data; dust; emission; fir; galaxies; ngc
• SiFAP: A New Fast Astronomical Photometer by Ambrosino, Filippo; Meddi, Franco; Nesci, Roberto; Rossi, Corinne; Sclavi, Silvia; Bruni, Ivan (2014) - 3 Conclusions We built a fast photometer able to collect data of pe- riodic signals with high time accuracy integrating in time windows down to 0.1 ms. We intend to upgrade our custom electronics aiming at reaching shorter time sampling keeping a good S/N ratio. Keywords: crab; data; period; pulsar; time
• US Astronomical Photographic Data Archives: Hidden Treasures and Importance for High-Energy Astrophysics by Hudec, René; Hudec, Lukáš (2014) - 316 Acta Polytechnica CTU Proceedings 1(1): 316–319, 2014 316 doi: 10.14311/APP.2014.01.0316 US Astronomical Photographic Data Archives: Hidden Treasures and Importance for High-Energy Astrophysics René Hudec1,2, Lukáš Hudec2 1Astronomical Institute, Academy of Sciences of the Czech Republic, CZ-25165 Ondřejov, Czech Republic 2Czech Technical University in Prague, Faculty of Electrical Engineering, Prague, Czech Republic Corresponding author: rene.hudec@asu.cas.cz Abstract We report here on an ongoing investigation of US astronomical plate archives and tests of the suitability of transportable scanning devices for in situ digitization of archival astronomical plates, with emphasis on application in high-energy astrophysics. The list of US plate collections provided by Dr. Wayne Osborn (Robbins and Osborn, 2009) was found to be incomplete. Keywords: archives; astronomical; camera; collections; data; energy; plate
• Personal Conclusions by Colafrancesco, Sergio (2014) - 2.1 Theoretical challenges: fundamental questions Big theoretical challenges regard two important aspects of the structure and evolution of our universe: the cos- mic origins and the cosmic extremes. Origins. 2.2 Observational: big data science Keywords: challenges; data; energy; meeting; universe
• Cataclysmic Variables from SDSS: A Review and A Look Forward to LSST by Szkody, P. (2015) - This survey will go several magnitudes fainter than SDSS and should be able to find the population of period bounce systems that are predicted by models, as well as find unusual long term variability such as found by Honeycutt et al. (2003) during their long term monitoring with Robo- scope. e.g. SDSS0745+45 (EQ Lyn, Mukadam et al. 2013). Keywords: cvs; data; et al; sdss; sky; spectra; survey; university
• Probing the Accretion Processes in Soft X-Ray Selected Polars by Traulsen, I.; Reinsch, K.; Schwope, A. D. (2015) - 4 Probing the Accretion Processes in X-Rays As described above, X-ray data are not the sole, but the main source of information on the accretion mechanisms in magnetic CVs. At times of high soft X-ray flux, the optical and soft X-ray data show pronounced short-term variability (“flickering”). Keywords: accretion; data; models; multi; processes; ray
• SS Cygni Revisited by Smith, R. C.; Echevarrıa, J.; Hernandez, J. V.; Szkody, P. (2015) - However, when the different nights were analysed separately a very different pattern emerged: each night had a different dominant period. Figure 3 shows the night 3 data binned and folded on a period of 0.35273 d. The best period on night 2 was close to the or- bital period, with minimum chi-squared giving 0.2715 d and Lomb-Scargle giving 0.2769 d. Keywords: data; night; outburst; period
• Properties of Recurrent Nova T Pyxidis Based on 2011 Outburst by Tanabe, K. (2015) - 2 Summary of Low-resolution Optical Spectroscopy 2.1 Basic properties of T Pyxidis based on pre-2011 outburst As it is mentioned above, T Pyx is a quite unique RN for its very short orbital period (1.83 hour) compared with other RNe. 263 http://dx.doi.org/10.1088/0067-0049/187/2/275 http://dx.doi.org/10.1111/j.1365-2966.2010.17046.x http://dx.doi.org/10.1088/2041-8205/770/2/L33 http://dx.doi.org/10.1017/CBO9780511586491 Introduction Summary of Low-resolution Optical Spectroscopy Basic properties of T Pyxidis based on pre-2011 outburst Spectral classification of novae Spectral evolution of T Pyxidis in its early stage of 2011 outburst Discussion Missing outburst? Is IM Normae a real member of T Pyx subclass? Conclusions Keywords: data; outburst; pyx; pyxidis; subclass
• Non Relational Models for the Management of Large Amount of Astronomical Data by Martino, B. L.; Federici, M. (2015) - Almost any application focused on the analysis of astronomical data may read data in FITS format (Wells et al., 1981) FITS format allows to add to a collection of data a set of additional information used to allow their better characterization. Many of these new systems are called NoSQL data stores. Keywords: data; database; mongodb; mysql; nosql; relational; system; use
• Study of Cataclysmic Variables with the Satellites LOFT and Gaia by Hudec, R.; Šimon, V. (2015) - 2.1 Astrophysics with Gaia Motivation of this paper is to outline the possibilities of performing astrophysics of CVs with Gaia data. We applied the real observations from the AFOEV database for feasibility study of Gaia data. Keywords: cvs; data; gaia; loft; outbursts; ray
• VECTOR MAPS IN MOBILE ROBOTICS by Jelinek, Ales (2015) - Keywords: robotics, SLAM, vector map, point cloud, edge extraction. Reducing point cloud to a set of line segments (in 2D) or triangles (in 3D) has very useful properties. Keywords: algorithms; data; edges; extraction; fig; line; map; point; pose; robot; scan
• X-COPTER STUDIO by Koutný, Michal; Pilát, Ondrej; Černý, Patrik; Kasinec, Maroš; Barták, Roman (2015) - The onboard is executing commands obtained from the client and sends back various data selected by user. We chose Urbi SDK because of its portability (Linux and Windows systems are supported) and the own 1Google Chrome is strongly recommended, though Mozilla Firefox will also get by (without visualization of video data). Keywords: ar.drone; control; data; dataflow; localization; onboard; parrot; quadrocopter; urbi; user
• DATABASE FINLIV – FOCUS ON STAIRCASE METHOD by Lutovinov, Maxim; Papuga, Jan; Růžička, Milan (2016) - After selected data are checked by the criteria, Fin- Liv provides the user the list of possible combinations of load levels and corresponding steps to choose from (Figure 3). Data input is realized by filling in the salmon colored cells and by choosing options from the combo boxes. Keywords: data; fatigue; finliv; method; staircase
• PROTON RADIOGRAPHY WITH THE PIXEL DETECTOR TIMEPIX by Olšanský, Václav; Granja, Carlos; Krist, Pavel; Mařík, Radek; Bíla, Jiří; Chvátil, David (2016) - The average number of protons events per frame was about 10 events per frame. Thus the principle of proton radiography is to determine the energy of each particle after passing through the ana- lyzed sample. Keywords: data; detector; energy; image; methods; pixel; proton; radiography; timepix
• USING ROBOT OPERATING SYSTEM FOR AUTONOMOUS CONTROL OF ROBOTS IN EUROBOT, ERC AND ROBOTOUR COMPETITIONS by Granosik, Grzegorz; Andrzejczak, Kacper; Kujawinski, Mateusz; Bonecki, Rafal; Chlebowicz, Lukasz; Krysztofiak, Blazej; Mirecki, Konrad; Gawryszewski, Marek (2016) - Raptors rover navigation system (up) nodes and topics of the ROS structure (down) topological 3D map of ERC field, • extending SLAM to 3D or providing alternative source of pose estimation insensitive to traveling on the rough terrain, • connecting ROS nodes to LabVIEW based control system to seamlessly exchange control and feedback data. ROS bridge functionality signed to allow communication between microcon- trollers and ROS nodes, • ros_bridge — dedicated node, which translate ROS messages into standard JSON format, and route them to the right node. Keywords: control; controller; data; figure; navigation; node; robot; ros; system; task; time
• SHEARING TESTS APPLIED TO PANTOGRAPHIC STRUCTURES by Ganzosch, Gregor; dell’Isola, Francesco; Turco, Emilio; Lekszycki, Tomasz; Müller, Wolfgang H. (2016) - By enlarging the width of the beams in the panto- graphic structure from sample A (w = 1.00 mm) to sample B (w = 1.60 mm), the resistance to shear de- formation increases by almost 80%. [15] Turco, E., dell’Isola, F., Cazzani, A., Rizzi, N.L. Hencky-type discrete model for pantographic structures: numerical comparison with second gradient continuum models. Keywords: behavior; data; deformation; displacement; failure; sample
• AFFECTIVE COMPUTING AND AUGMENTED REALITY FOR CAR DRIVING SIMULATORS by Datcu, Dragoș; Rothkrantz, Leon (2017) - Augmented reality systems can be used to estab- lish the experience of being practically co-located by means of simulated presence. Shared visualization Virtual co-location is enabled by sharing a video chan- nel from the HMD of the trainee (local user) with the trainer (remote user). Keywords: affect; affective; car; collaboration; computing; data; datcu; driving; figure; reality; recognition; remote; support; system; technology; user
• ANALYSIS OF STORED DATA HELP TO PROPOSE AND GENERATE NEW TRACKS by Jirkovsky, Vaclav (2017) - These elements of common behavior can be used to create virtual track for experiments. The algorithm for automatic creation of virtual track based on type of experiment is provided. Keywords: analysis; behavior; data; driver; track
• HUMAN-MACHINE INTERACTION IN SOLVING TASKS OF THE PLANNING DEPARTMENT by Kucherov, Boris Alekseyevich; Artyushenko, Vladimir Mikhailovich (2017) - So, the processing of 57 Boris Kucherov, Vladimir Artyushenko Acta Polytechnica CTU Proceedings such data as requests on using control facilities that don’t lead to conflict situations (which will be dis- cussed below), request for cancellation of communica- tion sessions, maintenance plans received beforehand, consists of performing a sequences of typical (routine) actions. [31] Norad two-line element sets current data. Keywords: conflicts; control; control facilities; data; department; facilities; number; planning; planning department; solving; spacecrafts; specialists; tasks
• AN INTELLIGENT CO-DRIVER SURVEILLANCE SYSTEM by Rothkrantz, Leon; Toma, Madalina; Popa, Mirela (2017) - There were other car drivers on the road driving both in a low and high speed speed. Driver action Behavior detected by KINECT,video and car sensors S1 Starting the car 1.Check if the gear is in neutral position Hand movements, Movements of head (turn down) Keywords: actions; body; car; car driver; data; driver; driving; figure; head; movements; position; sensors; system
• UNCERTAINTY PROPAGATION FOR LWR BURNUP BENCHMARK USING SAMPLING BASED CODE SCALE/SAMPLER by Campolina, Daniel; Frybort, Jan (2018) - Results showed that the influence of input uncertainties on kinf is more pronounced in the fresh core other than the depleted core and the contribution from studied manufacturing uncertainties is smaller than the contribution of nuclear data uncertainties. On the other hand, other studies stated that fission yield and decay data uncertainties may be rele- vant for uncertainties of nuclide densities in depletion calculations [10]. Keywords: benchmark; covariance; data; fuel; kinf; results; sampler; scale; uncertainties; uncertainty
• HEAT TRANSFER MODELLING OF TWO-PHASE FLOW IN ISOLATED CHANNEL by Vlček, Daniel; Caha, Vojtěch; Ševeček, Martin (2018) - The problems with estimation of CHF were proba- bly caused by very low qualities and also by lowering heat flux in order to obtain minimum film boiling data. The data served for finding minimum film boiling data, so from the beginning of the crisis, the heat flux has been reduced. Keywords: boiling; code; correlations; data; film; heat; regime; transfer; tube
• MULTI-CHANNEL CONTROL SYSTEM FOR IN-SITU LABORATORY LOADING DEVICES by Rada, Václav; Fíla, Tomáš; Zlámal, Petr; Kytýř, Daniel; Koudelka, Petr (2018) - All the pipes leading from control software core are connected to GUI core, which handles communi- cation between control software core and GUI process itself. Each experimental device uses its specific LinuxCNC initializing file, which contains data needed for control software startup. Keywords: control; data; devices; interface; loading; python; software
• UTILIZATION OF IMAGE AND SIGNAL PROCESSING TECHNIQUES FOR ASSESSMENT OF BUILT HERITAGE CONDITION by Koudelka, Petr; Koudelková, Veronika; Doktor, Tomáš; Kumpová, Ivana; Kytýř, Daniel; Valach, Jaroslav (2018) - Results Hereinbefore characterized methods and tools have been applied on SEM BSE and optical scanner images in order to develop image processing procedures for phase volume fraction identification in natural stone materials as well as to show their applicability on pre-processing of image data for spectral analysis. Keywords: heterogeneous systems, natural stones, image processing, K-means clustering, representa- tive volume element. Keywords: analysis; data; image; material; methods; phases; processing; sandstone; segmentation; value; volume
• PREPROCESSING OF HOPKINSON BAR EXPERIMENT DATA: FILTER ANALYSIS by Adorna, Marcel; Falta, Jan; Fíla, Tomáš; Zlámal, Petr (2018) - It was shown that noise properties of SHPB signals were independent on the length of used striker and its impact velocity. Designed filter performance was compared with two different filtering methods which were both previously being used for SHPB signals pre-processing. Keywords: analysis; data; filter; materials; noise; shpb; signals; striker
• ADVANCED HOMOGENIZATION METHODS FOR PRESSURIZED WATER REACTORS by Suk, Pavel (2018) - Comparison of interpolated neutron flux with ref- erence values obtained by simulation of case in deter- ministic code shows that neutron flux cell data does not agree with real distribution of neutron flux in fuel assembly. Keywords: homogenization, rehomogenization, full core calculation, Andrea, Helios, macroscopic data preparation, neutron flux. Keywords: assembly; case; cross; data; flux; fuel; macroscopic; method; neutron
• SIZE EFFECT ON THE ULTIMATE DRYING SHRINKAGE OF CONCRETE - EXPERIMENTAL EVIDENCE AND ENGINEERING PRACTICE by Dohnalová, Lenka; Havlásek, Petr (2020) - Size effect on ultimate drying shrinkage evaluated according to selected design codes and pre- diction models. Keywords: Drying shrinkage, size effect, concrete, design code, prediction model. Keywords: concrete; data; effect; shrinkage; size; size effect
• METHODS OF XS DATA PREPARATION FOR GEOMETRY WITH FUEL DUMMY by Suk, Pavel (2020) - Deviations between the XSEC and XSEC COR for more group approach are smaller, because for more group calculations, there are total scatter matrix input data. Two group results of the the test case with fuel enrichment 0.7% (reference keff = 0.82853) -50 -25 0 25 50 75 100 125 150 175 200 CASE1 CASE1_COR CASE2 CASE2_COR CASE3 CASE3_COR CASE4_COR CASE5_COR CASE6_COR CASE7_COR CASE8_COR k e ff d iff er en ce ( pc m ) keff relative difference in each case for 0.7 % enrichment fuel type Figure 2. Keywords: calculation; case; correction; data; energy; enrichment; fuel; group; neutron; parcs; spectra
• Possibilities of high-speed railway turnout data description by Hlubuček, Adam (2021) - Possible Representation of Turnouts Using the RailTopoModel and railML® 3.1 Modeling Principles A turnout – as the subject of data description – can be viewed from several different points of view. So- called net elements and net relations are used to create the topology of a network. Keywords: data; elements; infrastructure; net; railml; railtopomodel; railway; speed; turnout
• Using an analysis of concrete and cement EPD: verification, selection, assessment, benchmarking and target setting by Anderson, Jane; Moncaster, Alice (2022) - For cement EPD, Figure 1 can be used to check the clinker content and embodied carbon are within the expected region of the graph, especially for CEM I, II, III and IV cements. For concrete EPD for verification, we recommend checking them against Figure 3 which provides the embodied carbon ranges (mean and upper and lower quartile) for different countries and 28-day strengths to see that the embodied carbon is in the expected region of the graph. Keywords: analysis; carbon; cement; concrete; data; epd; figure; products; strength
• Digital Track Map for the VEXA expert system by Hlubuček, Adam (2022) - Keywords: Digital Track Map, VEXA, autonomous railway vehicle, expert system, GIS. 1. It is necessary to consider whether such an option would be beneficial in the creation of the Digital Track Map Keywords: data; location; map; module; railway; system; track; track map; vexa
• Environmental performances evaluation through building information models by Barbini, Ambra; Malacarne, Giada; Massari, Giovanna A.; Marcher, Carmen; Matt, Dominik T. (2022) - This paper presents a tool for visualizing environmental impacts directly through a Building Information Model, by assigning different colours to model objects according to their environmental performances. Keywords: BIM (Building Information Modeling), sustainability, environmental impacts, LCA (Life Cycle Assessment), ECI (Environmental Cost Indicator). Keywords: bim; building; cycle; data; impacts; lca; life; phase; results; window
• Quantifying the impact of external and internal factors and their interactions on thermal load behaviour of a building by Matschi, Christoph; Nemeth, Isabell (2022) - For the energy-efficient design of district heating networks, knowledge about the neighborhood heat load behavior, through heating load profiles in high temporal and spatial resolution, is crucial. On the basis of these identified influencing factors, a simple method for the creation of heating load profiles will be developed with the help of a machine learning algorithm. Keywords: behavior; building; data; heating; influence; load; parameters; year
• Applying life cycle assessment with minimal information to support early-stage material selection by Roberts, Matthew; Cascione, Valeria; Allen, Stephen; Dams, Barrie; Maskell, Daniel; Coley, David (2022) - This was done to identify insulation materials that were likely to result in a low environmental impact while mitigating challenges associated with informa- tion gaps during early design material selection. Keywords: Life cycle assessment, bio-based materials, circular economy, uncertainty. Keywords: assessment; cycle; data; design; impacts; information; insulation; lca; life; materials; slca; uncertainty
• Digitalising cities: A methodology to map evaluation requirements into robust and feasible data collection approaches by Hernández, Jose L.; Quijano, Ana; Noaille, Pierre; Virtanen, Mikko; García, Rubén (2022) - Keywords: Digitalisation, sustainable cities, KPIs-based assessment, monitoring, decision-making, data. [9] A. Quijano, J. L. Hernández, P. Nouaille, et al. Sustainable cities: A KPI-driven sustainable evaluation framework for smart cities. Keywords: cities; city; data; energy; evaluation; framework; kpis; methodology; monitoring; mysmartlife
• Influence of heated facade air on the results of climate data measurement by Kysela, Peter; Ponechal, Radoslav; Rybárik, Ján (2022) - https://doi.org/10.1175/1520- 0426(2001)018<1470:SPORIS>2.0.CO;2 339 https://doi.org/10.2478/cee-2020-0037 https://doi.org/10.4028/www.scientific.net/AMR.1041.129 https://doi.org/10.4028/www.scientific.net/AMR.1041.129 https://doi.org/10.1088/1757-899X/415/1/012032 https://doi.org/10.1175/1520-0426(2001)018<0329:ACOCUT>2.0.CO;2 https://doi.org/10.1175/1520-0426(2001)018<0329:ACOCUT>2.0.CO;2 https://doi.org/10.4028/www.scientific.net/AMM.887.411 https://doi.org/10.4028/www.scientific.net/AMM.887.411 https://doi.org/10.1051/matecconf/201710700083 https://www.baranidesign.com/ https://doi.org/10.12693/aphyspola.132.1301 https://doi.org/10.1051/matecconf/201819602029 https://doi.org/10.1175/1520-0426(2001)018<1470:SPORIS>2.0.CO;2 https://doi.org/10.1175/1520-0426(2001)018<1470:SPORIS>2.0.CO;2 Acta Polytechnica CTU Proceedings 38:332–339, 2022 1 Introduction – Measuring climate data 2 Methods of measurement – the importance of radiation shields 2.1 Facade Meteorological Station (FMS) 2.2 Radiation shield 3 Installation and positioning on the facade, selection of representative days 3.1 Installation of new radiation shields 3.2 Location of FMS and used shields 3.3 Meteorological control station 4 Evaluation of measured results 5 Discussion – suitability of the use of shields in the future and recommendations Acknowledgements References The installation of new radiation shields on the FMS took place during the months of March, April during the FMS inspection. Keywords: air; building; building facade; data; facade; shield; temperature
• Bringing students closer to the issues of indoor environmental quality and technology using nEMoS device: an experience in Albania by Francesco, Salamone; Belussi, Lorenzo; Danza, Ludovico; Dobjani, Etleva; Ghellere, Matteo; Meroni, Italo; Shtylla, Arben; Shtylla, Saimir (2022) - There is a slight difference regarding the illumina- tion (IL) levels between the classrooms: although the mean IL values are almost the same, the data variation in West classroom (yellow device) is higher compared to the East classroom (green device). Finally, the TC analysis confirms the measured data (East classroom warmer than West classroom). Keywords: campaign; classroom; data; monitoring; school; students; west
• Land use change impact on urban land surface temperatures: A GIS-supported satellite-based case study by Walder, Caroline; Firat Örs, Pelin; Mahdavi, Ardeshir (2022) - Thereby, satellite-based images were used to classify the city of Vienna into four zones toward the computation of land surface temperatures in two reference years. This rise in land surface temperatures correlates with urbanization-driven change in land use and land cover. Keywords: city; cover; data; future; land; landsat; ndv; surface; temperature; use
• Exploring machine learning-based archetypes for urban life cycle modeling (UBiM) by Colleto, Giseli Mary; Gomes , Vanessa (2022) - Comparison of four building archetype characterization methods in urban building energy modeling (UBEM): A residential case study in Kuwait City. [19] • Proportion of façade materials or roof materials out of the total amount of building materials and their respective impacts Building height (3) Keywords: area; building; clustering; cycle; data; energy; impacts; life; materials
• The road to circularity: a framework for and experiences in collecting road data in a circular renovation process by Entrop, Bram (2022) - Collecting road data automatically To be able to learn more about the quality and quan- tity of road materials, visual inspections are commonly used. This paper has used a literature study on material passports and has taken into account current project management software used by a municipality, in order to share a framework for organising and collecting road construction data. Keywords: concrete; construction; data; economy; information; management; materials; municipality; project; road; system
• Uncertainty assessment for the Bayesian updating process of concrete strength properties by Haslbeck, Matthias; Kroyer, Robert; Taras, Andreas; Braml, Thomas (2022) - 36/2022 Bayesian uncertainty updating concrete strength properties Figure 1. (a) Sampling of the drilling cores and (b) bird’s eye view of the investigated bridge in Roding. 36/2022 Bayesian uncertainty updating concrete strength properties Figure 3. Keywords: bayesian; concrete; data; distribution; figure; mm2; results; strength; uncertainty; updating
• On the effects of modified lane configuration due to construction works on bridge loading by Nowak, Marcel; Fischer, Oliver (2022) - For the scope of this work, the set comprising sensors 4-2 and 4-4 proved to be a proper choice for TDF-sensors able to differentiate clearly between the several transverse position in different traffic lanes for different lane configurations (refer to Figure 6 for TDFs fT DF,k|4-2, values for fT DF,k|4-4 complement to 1). Definition of threshold values for MPE identification for different lane configurations. Keywords: bridge; configurations; data; events; lane; lcmod; load; loading; monitoring; muc; traffic; truck; vehicles
• Risk based maintenance for Swiss railway bridges: concept, implementation and first experiences by Proske, Dirk; Payeur, Jean-Baptiste; Girardin, Blaise; Friedl, Herbert (2022) - Age distribution of SBB bridges. Potential procedures for risk-based asset management of SBB bridges. Keywords: bridges; classes; condition; data; figure; maintenance; network; parameters; risk; sbb
• Holistic assessment methodology for Positive Energy Districts by Kvasnica, Jakub; Válková, Kateřina (2022) - First, research on PEDs was conducted followed by an analysis of technical and technological solutions, methods and tools for energy performance assessment in the sectors relevant to PEDs. Keywords: Positive energy districts, sustainable urban development, assessment methods. Keywords: area; assessment; buildings; data; districts; energy; ped; peds; technical; urban
• The characterization of the collimated beams of fast neutrons with the clid detection system by Ansorge, Martin; Novák, Jan; Majerle, Mitja; Kozic, Ján (2022) - In particular, the implementation of the Proton-Recoil-Telescope technique used for neutron energy spectra determination with the CLID is described. Keywords: NPI, collimated fast neutron beams, cyclotron U-120M, CLID, Proton-Recoil-Telescope. Keywords: clid; data; energy; figure; mev; neutron; nuclear; prt; reactions
• On applications of brain-computer interface by Mouček, Roman; Vařeka, Lukáš; Brůha, Petr; Šnejdar, Pavel (2022) - This paper deals with the fundamentals of BCI systems and the experience of the neuroinformatics team with the design and implementation of various BCI applications. In other words, BCI systems mediate direct communication be- tween the (human) brain and computer. Keywords: applications; bci; brain; component; computer; data; eeg; erp; experiments; interface; p300; potentials; signal; systems
• Brain data and driver's attention during simulated drive by Mouček, Roman; Brůha, Petr; Šnejdar, Pavel (2022) - The use of EEG data for the evaluation of driver fatigue was provided in [5]. Evaluation of driver fatigue on two channels of EEG data. Keywords: activity; attention; brain; component; data; driver; driving; eeg; erp; experiment; fatigue; p300; task
• Eye-tracking technology in automotive industry by Novotný, Jan; Machan, Jaroslav; Orlický, Adam (2022) - Keywords: Eye tracking, customer interest, driver distraction, eye fixation. Only a quarter of eye fixations remained on the road in front of drivers. Keywords: areas; data; eye; figure; interest; interior; technology; tracking; vehicle
• The footbridge Jesípek – application of radar interferometry for dynamic response evaluation by Čáp, Miroslav; Polák, Michal; Plachý, Tomáš; Talich, Milan; Havrlant, Jan; Soukup, Lubomír; Antoš, Filip (2023) - Recent advances in radar systems have led to the development of radar interferometry (RI) methods for contactless vibration monitoring of large-scale structures, i.e. bridges, water tower reservoirs, and factory chimneys. Keywords: Bridge dynamics, radar, radar interferometry, accelerometers. Keywords: data; experiment; figure; footbridge; frequency; interferometry; radar; time
• Possibilities of using commercial electronics to measure driver physiological functions in a vehicle simulator by Lehet, David (2023) - Used sensors Several devices were used for the measurements. Machine learning for stress detection from ECG signals in automobile drivers. Keywords: chest; data; driver; ecg; eeg; experiment; heart; measurement; rate
• Research and implementation of motorcycle simulator controls by Svoboda, Josef; Toman, Přemysl; Orlický, Adam (2023) - Keywords: Motorcycle simulator, motorcycle roll, rider performance, simulator control approaches. Motorcycle simulators in terms of riders training have also the same potential as car driving simulator. Keywords: data; figure; motorcycle; research; rider; riding; roll; scenario; simulator; steering; weight
• AI-assisted study of auxetic structures by Grednev, Sergej; Steude, Henrik S.; Bronder, Stefan; Niggemann, Oliver; Jung, Anne (2023) - In order to estimate model performance reliably while trying to prevent overfitting, i.e. good perfor- mance on known data and bad performance on new data, throughout the model optimization process a cross validation (CV) procedure is implemented. The feature combinations found to lead to best results – which can be different for different models – are then used to retrain the models and perform a more extensive hyperparameter optimization, resulting in Figure 5. Keywords: approach; curves; data; figure; models; parameters; performance; stress
• Experimental validation of motion sensor Physilog®5 applied to shoulder joint by Krivošej, Jan; Garanová Krišťáková, Jana; Daniel, Matej; Šika, Zbyněk (2023) - Another validation of Physilog® sensor can be found in Lefeber at al. However, sensor M data shows a very significant drift of all three axis (plotted curves for the sensor S1 are very similar). Keywords: data; figure; joint; motion; position; sensor; stand
• Segmentation of pores in carbon fiber reinforced polymers using the U-Net convolutional neural network by Yosifov, Miroslav; Weinberger, Patrick; Plank, Bernhard; Fröhler, Bernhard; Hoeglinger, Markus; Kastner, Johann; Heinzl, Christoph (2023) - Image segmentation: a watershed transformation algorithm. Comparison of different segmentation methods for porosity evaluation in cfrp-reference samples with real porosity samples. Keywords: data; figure; net; otsu; prediction; sample; segmentation; thresholding; training
• Determining 3D coordinates based on the track geometry description by Hlubuček, Adam (2023) - In order to enable the derivation of attribute values based on the spatial aspects of the visualized data objects, it is desirable to work with such network levels described by the value realistic of the representation attribute. The subsequent pro- cedure is similar to the one carried out when working in the graphical editor, only there is no need to enter individual attribute values, as these are loaded from the database. Keywords: attribute; class; curves; data; element; horizontal; linear; value
• Artificial intelligence in operational applications of railway infrastructure manager by Šrámek, Přemysl; Široký, Jaromír; Vojtek, Martin (2023) - The second deep learning level are the apps for operational railway traffic control (ORTC), it means integration platform of DRTC datasets (data aggre- gation) for larger areas (the entire state network and more). Keywords: Artificial intelligence, operational applications, railway traffic control, railway 4.0. Keywords: control; data; figure; learning; level; railway; traffic
• Long-term experience of the thermo-active ground source system at the metro station Taborstrasse in Vienna by Adam, Dietmar; Brunner, Adrian; Markiewicz, Roman; Pistrol, Johannes (2023) - Apart from energy piles (single piles), energy walls (diaphragm walls or bored pile walls) and energy bot- tom slabs are now increasingly used. Scientific relevance and state-of-the-art on the thermo-mechanical behavior of energy walls While an increasing number of scientific papers on the thermo-mechanical behavior of energy piles based on large-scale tests, laboratory experiments and nu- merical modeling have been published in the last two decades (a comprehensive listing was made, for exam- ple, by Cunha and Bourne-Webb Keywords: air; circuit; cooling; data; diaphragm; diaphragm wall; element; energy; energy diaphragm; exchanger; figure; heat; heat exchanger; heating; measurement; station; strain; temperature; walls
• AI-enabled transition to smart European cities by Marji, Noor; Kohout, Michal; Chen, Lijun; Isik, Gülbahar Emir; Kumar, Akshatha Ravi (2024) - Urban AI: understanding the emerging role of artificial intelligence in smart cities. Cities collect massive amounts of data from sources including sensors, social media accounts, and mobile phones which contain personal data including location details, health details, and biometric indicators [42] that could compromise people’s privacy rights if used for AI planning applications without consent. Keywords: cities; citizen; data; development; european; framework; intelligence; participation; planners; planning; research; systems; transportation; urban; use
• “Smart cities” and their vulnerability by Krulík, Oldřich; Kolouch, Jan; Pačmag, Marek (2024) - In most discussions, “smart cities” are perceived as a largely positive phenomenon that improves the safety but above all the comfort of its inhabitants. Keywords: Smart cities, threats, adaptability, risk management. Keywords: china; cities; city; concept; crime; cybersecurity; data; development; european; infrastructure; measures; people; police; potential; public; republic; security; technologies; ukraine
• Investigating MIDR through AI: a case study of the city of Most in Czech Republic by Kumar, Akshatha Ravi; Marji, Noor; Isik, Gülbahar Emir; Chen, Lijun (2024) - However, the sheer volume and complexity of urban data often transcends traditional analytical capacities. At its core, the framework employs advanced machine learning algorithms that are trained to process and interpret urban data. Keywords: challenges; cities; city; community; data; framework; midr; mining; planning; resettlement
• Cities in transition: Krakow‘s social, economic and spatial transformation within the last thirty years (selected aspects) by Karwińska, Anna; Jopek, Dorota; Kudłacz, Michał; Wiśniewski, Michał (2024) - All this fosters a foreigner-friendly “climate” that facil- itates adaptation and integration into city life, and in turn, from the point of view of city development, allows better use of the important development assets that newcomers bring [15]. Keywords: City, Central European city, city development, transformation, Krakow. Keywords: area; centre; changes; cities; city; data; development; green; increase; krakow; number; people; poland; residents; space; spatial; study; tourism; transformation; transport; years
• Structural health monitoring of construction by Niedoba, Jakub (2024) - The lifetime of sensors on bridge constructions is around 1 year. New bridge constructions are often built from modern materials. Keywords: bridge; construction; data; figure; health; monitoring; road; sensors; structure

• Old and New from Multifrequency Astrophysics by Giovannelli, Franco; Sabau-Graziati, Lola (2014) - The emitted spectra of jets from cosmic sources of different nature are strongly dependent on the an- gle formed by the beam axis and the line of sight, and obviously by the Lorentz factor of the particles (e.g. Bednarek et al., 1990 and the references therein; Beall, Guillory & Rose, 1999, 2009; Beall, 2002, 2003, 2008, 2009; Beall et al., 2006, 2007). This enhances the efficiency of the pro- cess of mass transfer from the primary star onto the secondary collapsed star, as discussed by Giovannelli & Ziolkowski (1990) and by Giovannelli et al. (2007) in the case of A 0535+26. Keywords: astrophysics; eds; energy; et al; giovannelli; graziati; multifrequency; objects; particle; physics; ray; rays; sabau; sources; universe
• Gamma-rays, Neutrinos and Particle Astronomy as Messengers of the Universe by Spurio, Maurizio (2014) - These IACTs have produced a cat- alogue of TeV γ-ray sources which is continuously up- dated and available at http://tevcat.uchicago.edu/. Electron can produce HE γ-rays through the so- called leptonic model. Most of observed TeV γ-ray galactic sources have a power law energy spectrum E−αγ , where αγ ∼ 2.0÷ 2.5. Keywords: crs; energy; galactic; neutrino; particles; rays; sources; tev
• Magnetorotational Explosions of Core-Collapse Supernovae by Bisnovatyi-Kogan, Gennady S.; Moiseenko, Sergey G.; Ardeljan, Nikolay V. (2014) - When the twisted toroidal component strongly exceeds the poloidal field, magneto-rotational instability develops, leading to a drastic acceleration in the growth of magnetic energy. 182 Magnetorotational Explosions of Core-Collapse Supernovae time, s 0 0.1 0.2 1 2 3 4 Erot[1051 ergs] Ekinpol[1051 ergs] Figure 3: Time dependence of rotational, kinetic poloidal, and magnetic energies during explosion for a dipole -like field, from [22]. Keywords: energy; explosion; field; poloidal; time; toroidal
• The Galactic Center Region Imaged by VERITAS from 2010{2012 by Beilicke, Matthias (2014) - Many potential sources of GeV/TeV γ-ray emission are located in this region, e.g. the accretion of matter onto the central black hole, cosmic rays from a nearby shell-type supernova remnant, or the annihilation of dark matter. We present the results from 3 years of VERITAS galactic center observations conducted at large zenith angles. Keywords: energy; tev; veritas
• Multiscale Modeling of Astrophysical Jets by Beall, James H.; Guillory, John; Rose, David V.; Wolff, Michael T. (2014) - Keywords: jets - active galaxies - blazars - intracluster medium - non-linear dynamics - plasma astrophysics. The figure shows the transverse cross-section (Figure 1a) and the detail of the jet head in the y-z cross-section (Figure 1b) for a fully 3-dimensional hydrodynamic simulation of jet with v = 1.5x109 cm/sec. Keywords: ambient; beall; code; energy; jet; jets; medium; plasma
• Active Galactic Nuclei: Jets as the Source of Hadrons and Neutrinos by Meli, Athina; Ciarcelluti, Paolo (2014) - (iii) The acceleration in the case of quasi-parallel shocks seems very efficient and compa- rable to single shock acceleration. Γ ψ σ E[GeV] 30 75o 2.7 104.6 30 75o 2.4 105.2 10 75o 2.3 105.9 10 75o 2.2 106.4 Briefly, from the tables above, one notices that (i) the spectra by each shock in every shock-set become gradually flatter, following on one hand the findings of single relativistic shocks discussed in the previous sec- tion, and on the other hand the trends reported in e.g. Melrose and Pope (1993) and Gieseler and Jones (2000) for multiple shocks. Keywords: acceleration; agn; energy; high; meli; neutrinos; quasi; shock
• Design and Tests of the Hard X-ray Polarimeter X-Calibur by Beilicke, M.; Cowsik, R.; Dowkontt, P.; Guo, Q.; Kislat, F.; Barthelmy, S.; Okajima, T.; Mitchell, J. W.; Schnittman, J.; Zeiger, B.; De Geronimo, G.; Baring, M. G.; Bodaghee, A.; Miyazawa, T.; Finkelstein, K. D.; Krawczynski, H. (2014) - We designed, built and tested a hard X-ray polarimeter, X-Calibur, to be used in the focal plane of the InFOCuS grazing incidence hard X-ray telescope. X-Calibur combines a low-Z Compton scatterer with a CZT detector assembly to measure the polarization of 20− 60 keV X-rays making use of the fact that polarized photons Compton scatter preferentially perpendicular to the electric field orientation; in principal, a similar space-borne experiment could be operated in the 5−100 keV regime. Keywords: calibur; compton; energy; kev; polarimeter; polarization; ray; source
• Atmosphere-Space Interactions Monitor (ASIM): State of the Art by Blay, Pere; Sabau-Graziati, Lola; Reglero, Víctor; Connell, Paul H.; Rodrigo, Juana M.; Macián, Juan M. Macian; Biosca, José T.; Eyles, Chris (2014) - Several astrophysical high energy missions, other than BATSE, have detected TGFs: RHESSI (designed to observe high energy emissions from the Sun), FERMI and AGILE (both dedicated to the observations of Gamma-Ray Bursts in the universe). More recently, with very high speed cameras (thousands of frames per second, see for example Cummer et al. 2006) Keywords: asim; atmosphere; energy; lightning; mxgs; tgfs
• Final Remarks by Auriemma, Giulio (2014) - [20] M. S. Carena, D. Choudhury, S. Lola, C. Quigg, Manifestations of R-parity violation in ultrahigh- energy neutrino interactions, Phys.Rev. D58 (1998) 095003. arXiv:hep-ph/9804380, doi:10.1103/PhysRevD.58.095003 [21] M. Kachelriess, M. Plumacher, Ultrahigh- energy neutrino interactions and weak scale string theories, Phys.Rev. D62 (2000) 103006. arXiv:astro-ph/0005309. doi:10.1103/PhysRevD.62.103006 [22] R. Gandhi, Ultrahigh-energy neutrinos: Beside the specific model presented in that talk, that may explain both strength and time evolution observed by Planck [11], it has been speculated that dark energy could be the present manifestation of long lasting relics, with life- time much larger then the Hubble time, produced in the Planck era (tU . Keywords: dark; energy; fit; mass; matter; particles; planck
• Who Discovered the Hoyle Level? by Shaviv, G. (2015) - HOW NATURE OVERCOMES ITS OWN BARRIERS in a figure which provided the structure of energy levels in 12C. As can be seen from fig.? For the ease of reading this heavy with data figure, we marked energy level at 7.5MeV with red and the level of 8Be +↵ is marked with green. Keywords: 12c; 8be; carbon; decay; energy; figure; ground; hoyle; level; nucleus; phys; probability; reaction; rev; salpeter; stars; state
• ACTIVATION ANALYSIS OF HISTORICAL SAMPLES AND NEUTRON SPECTRUM DETERMINATION AT VR-1 TRAINING REACTOR by Šturma, Jan; Štefánik, Milan (2016) - Neutron spectrum determination by activation detectors Methods of neutron activation analysis can be also used for measurement of neutron flux using activation detectors of various materials. Separately described energy regions of neutron spectrum together with the discrete points of neutron flux, associated with the most signif- icant resonances in activation cross-sections, and total neutron flux, determined using analytical methods, are depicted in Fig. 6 and Fig. Keywords: activation; analysis; detectors; energy; neutron; reactor; samples; spectrum
• SELF-ABSORPTION CORRECTIONS BASED ON MONTE CARLO SIMULATIONS by Johnová, Kamila (2016) - Correction factor for M600 as a function of photon energy. For the needs of this paper only seven energies were chosen in order to demonstrate the behaviour of correction factor as a function of density and composition. Keywords: absorption; correction; cross; detector; energy; figure; geometry; samples
• DESIGN PARAMETERS OF BUFFER STOPS by Guziur, Petr (2016) - Resistances (as a state of usability) of fixed buffer stops used in Czech Republic are shown in Table 5. Fixed buffer stops are more than useless for higher collision speeds considering its manner of deceleration and its resistances. Keywords: braking; buffer; energy; friction; speed; stop; track
• ON EVALUATION OF MOTION GAITS ENERGY EFFICIENCY WITH A HEXAPOD CRAWLING ROBOT by Černý, Lukáš; Čížek, Petr; Faigl, Jan (2016) - In this manner, factors such as traction and leg slippages can be taken into ac- count, which may provide additional information about suitability of particular gaits for specific terrain types. Based on the number of legs moving si- multaneously and on the order in which the legs are altering between the support phase and the swing phase, different motion gaits can be recognized. Keywords: adaptive; consumption; energy; gait; robot; terrain
• IMPACT TESTING OF ORDNANCE GELATINE UNDER MODERATE STRAIN RATE CONDITIONS by Doktor, Tomáš; Zlámal, Petr; Šleichrt, Jan; Fíla, Tomáš; Kytýř, Daniel (2018) - In comparison of the deformation behaviour under quasi static conditions and drop weight test the difference was very significant, however slight increase in both strength and strain energy density was observed even between different impact energies and velocities during the impact testing. The initial heights and impactor masses are listed in Table 1 with corresponding impact energy, velocity and strain rate. Keywords: energy; gelatine; impact; ordnance; rate; strain
• EXPERIMENTAL INVESTIGATION OF THE FAILURE BEHAVIOUR OF POLYPROPYLENE COMPOUNDS FOR INSTRUMENTED PUNCTURE TESTS by Kiehas, Florian; Kalteis, Anna; Jerabek, Michael; Major, Zoltán (2018) - Determination of transition temperatures. https://onlinelibrary. wiley.com/doi/pdf/10.1002/app.11696 doi:10.1002/app.11696. 71 https://onlinelibrary.wiley.com/doi/pdf/10.1002/app.11696 https://onlinelibrary.wiley.com/doi/pdf/10.1002/app.11696 http://dx.doi.org/10.1002/app.11696 Acta Polytechnica CTU Proceedings 18:66–71, 2018 1 Introduction 2 Experimental Investigation 2.1 Test Parameters 2.2 Materials and test schedule 2.3 Data evaluation 2.3.1 Curve characterization 2.3.2 Optical characterization 2.4 Ductile/brittle transition temperature 2.4.1 Puncture energy 2.4.2 Elastic energy ratio 2.4.3 Keywords: -30; -50; deflection; ductile; energy; puncture; temperature; test; transition
• MOLECULAR STATICS SIMULATION OF NANOINDENTATION USING ADAPTIVE QUASICONTINUUM METHOD by Mikeš, Karel; Rokoš, Ondřej; Peerlings, Ron H. J. (2018) - The only difference consists in the condition for the selection of critical atoms, now specified as NAtm∑ β; α6=β rαβKeywords: atomistic; atoms; energy; fig; lattice; region
• AMBIENT TEMPERATURE IMPACT ON MICRO GAS TURBINES: EXPERIMENTAL CHARACTERIZATION by Rossi, Iacopo; Traverso, Alberto (2018) - In the end, percentage linear variations of electrical power and ef- 79 Iacopo Rossi, Alberto Traverso Acta Polytechnica CTU Proceedings ficiency, thermal power and efficiency, thermal to load ratio are given [20]. In particular in [20] it stated that, for each 1 °C growth from 15 °C, the system undergoes: • a reduction of electrical power of 1.22% • a reduction of electrical efficiency of 0.51% • a reduction of thermal power of 0.10% • an increase in thermal efficiency of 0.70% • an increase of the thermal to electrical power ratio of 1.30% Normalizing the results of the two cited works, the percentage variation of electrical and thermal power for each increase of 1 °C; from the standard ambi- ent temperature, results in Table2 are obtained for comparison. Keywords: ambient; energy; engine; gas; performance; power; system; temperature; thermal
• MARKET AND DEVELOPMENT TRENDS IN COGENERATION AND COMBINED HEAT AND POWER PLANTS by Slad, Jan; Pickard, Andreas; Strobelt, Frank (2018) - Keywords: CCPP, CHP, power plants, cogeneration, repowering, gas turbines, operational flexibility, efficiency, power market. The fact that the amount of electric power that it’s possible to generate depends on the amount of thermal energy to be supplied translates into a loss of operating flexibility, and can constitute an economic disadvantage for power plants participating in the electricity market. Keywords: cogeneration; cycle; efficiency; energy; gas; heat; load; plants; power; pressure; steam; turbine
• DIAMOND DETECTORS FOR FAST TRANSIENT SCRAM MEASUREMENTS – THE DETECTOR DEVELOPMENT by Novák, Ondřej; Sklenka, Lubomír; Pomorski, Michal; Lynde, Clement (2019) - Keywords: Diamond detector, neutron detection, nuclear reactor, pulse shape analysis, boron conversion, fast transient, SCRAM, VR-1 reactor. Diamond detector: diamond crystal (white), electrodes (green), conversion layer (blue). Keywords: alpha; conversion; crystal; detector; diamond; energy; figure; interaction; layer; measurements; neutron; pulse; scram; shape
• FRACTURE ENERGY OF ILLITIC RAMMED EARTH WITH HIGH WATER-CLAY RATIO by Mužíková, Barbora; Plaček Otcovská, Tereza; Padevět, Pavel (2021) - The article is focused on design of mixture of rammed earth, producing, testing and determination of fracture energy of unfired rammed earth and its stress-strain curve in tensile bending test. Three different mixtures of rammed earth were designed and tested. Keywords: clay; earth; energy; fracture; ratio; water
• Energy saving in rail transport by Antoš, Jan (2021) - The speed limit for this type of railway track I Canada is 85 miles per hour, (roughly 137 km/h). Part of the methodology was taken from the previous, already verified, versions of the software for vehicle ride simulation. Keywords: energy; railway; simulation; track; vehicle
• TRC sandwich solution for energy retrofitting by Colombo, Isabella Giorgia; Colombo, Matteo; di Prisco, Marco (2022) - TRC sandwich panels were proposed about 15 years ago by German researchers Lightweight TRC sandwich panels with sustainable diatomite-based core for energy retrofitting of existing buildings. Keywords: behaviour; colombo; core; energy; figure; material; sandwich; trc
• High thermal conductivity concrete for energy piles by Di Girolamo, Luca; Ausiello, Gigliola; Russo, Gianpiero; Marone, Gabriella (2022) - In this technology, differently from conven- tional ground heat exchangers made by one or more U-shaped plastic absorber pile inserted in aăborehole, GEPs use thermal conductivity and thermal storage capacity of concrete because high-density polyethy- lene plastic pipes are installed directly in piles struc- tures before concrete casting. The target is to analyse the effects of thermal conductivity increasing of concrete on energy and mechanical performances of GEPs. Keywords: case; concrete; conductivity; energy; geps; heat; mechanical; performance; pile; properties; soil; temperature; transfer
• Analyzing the impact of the aspect ratio of a building on concrete use in its structure by Dixit, Manish K.; Pradeep Kumar, Pranav (2022) - From the plot between the quantities of steel and concrete versus surface aspect ratios, the impact of surface aspect ratio on material quantities can be un- derstood. Define aspect ratio as surface aspect ratio which is the ratio of the horizontal (floor) surface area to the total vertical (peripheral) surface area. Keywords: aspect; aspect ratio; building; concrete; construction; energy; floor; ratio; steel; surface
• Experimental investigation on the mechanical behaviour of AAC blocks for sustainable concrete masonry by Michelini, Elena; Ferretti, Daniele; Sirico, Alice; Cerioni, Roberto (2022) - Thanks to the presence of small air voids (in the range of 0.1 − 1 mm) uniformly distributed in the cement paste, AAC masonry blocks have many ad- vantages in comparison with conventional concrete: lighter weight (typically from one-sixth to one-third of conventional concrete), lower transportation and building costs, excellent workability and easiness of laying, reduced construction times, remarkable acoustic and thermal insulation. The flip side of the coin is that the reduction of AAC density, which improves thermal properties and reduces structural masses (and consequently the self- weight and the seismic forces acting on the build- ing), exerts an unfavourable effect on material me- chanical strengths. Keywords: aac; blocks; compressive; concrete; content; density; energy; fracture; masonry; moisture; strength; tests
• Energy flows along the production and use of secondary materials with a special focus on concrete by Gruhler, Karin; Schiller, Georg (2022) - For all of these, we energeti- cally investigated the paths from demolition material to a new application variant in building construction, civil engineering or landscaping. Demolition materials are quantities that are available in a certain quality after the demolition of a building (e.g. broken concrete without coarse adhesion). Keywords: concrete; construction; demolition; energy; material; recycling
• Technical effectiveness of cement-based mortar for high-reflective building envelope through building energy simulations: preliminary results by Gugliandolo, Alessandra; Genova, Enrico; Baldi, Francesco; Capone, Claudia; Segreto, Maria Anna (2022) - A cool material is characterized by high solar reflectance (thereafter denoted also as albedo) and high in- frared emissivity, where the first is the ability to re- flect incident solar radiation, and the second allows to return most of the fraction to the atmosphere so- lar absorbed by thermal radiation. The effects of ageing on the solar reflectance of building envelope materials are object of investigation [9–11]. Keywords: building; cement; concrete; demand; energy; materials; reference; reflectance; reflective; roof; � �
• Comparing the environmental performances of new and renovated school buildings by Mancinelli, Oscar; Fantilli, Alessandro Pasquale; Chiaia, Bernardino (2022) - Building materials are aggregated into three categories, namely Skin, Space Plan, and Structure, following the layered division (the so called 352 vol. Embodied carbon of building materials grouped into macro-layers: (a) total amount; (b) amount per unit of gross building area (u.a.); (c) amount per student. Keywords: assessment; building; carbon; co2; construction; emissions; energy; life; materials; new; school
• Optimization model of solar cooling system with latent heat storage by Migla, Lana; Lebedeva, Kristina (2022) - Thermophysical characterization of MgCl2·6H2O, xylitol and erythritol as phase change materials (PCM) for latent heat thermal energy storage (LHTES). Critical review of latent heat storage systems for free cooling in buildings. Keywords: cooling; energy; heat; latent; pcm; phase; solar; storage; system; temperature
• INTERACT - Integration of innovative technologies of PEDs into a holistic architecture by Bruckner, Helmut; Adamcová, Markéta; Ilo, Albana; Werner, Andrea (2022) - Keywords: Positive energy districts, energy communities, LINK solution, stakeholder involvement, distributed energy resources. Contracting Models and Regulatory Framework – Based on the relevant European Directives, the le- gal framework for the future design of the electricity market and grid is defined and the implementation of energy communities is being prepared. Keywords: communities; community; competence; energy; energy communities; grid; interact; market; ped; project
• Building-integrated photovoltaics (BIPV) combined with hydrogen-based electricity storage system at building-scale towards carbon neutrality by Aguacil , Sergi; Morier, Yvan; Couty, Philippe; Bacher, Jean-Philippe (2022) - The building will already be equipped with energy storage in the form of Li-ion batteries but will provide enough space for further research, in our case, a H2 storage system with a co-generation fuel cell allowing to produce heat and electricity for the building. The challenges regarding energy storage will become more and more common and this paper clearly demonstrate that H2 will have a role to play in the future of renewable energy. Keywords: building; cell; efficiency; energy; fuel; storage; storage system; system
• Decision-support tool for prioritizing retrofitting actions on Social Housing stock in Italy by Gaspari, Jacopo; Antonini, Ernesto; Marchi, Lia (2022) - A methodology for fast simulation of energy retrofitting scenarios of social building stock. The tool’s accuracy can be tested in other ACER Bologna buildings, but also a national cam- paign could be launched to this purpose now that con- siderable funds have been set for building retrofitting under the umbrella of Recovery Plan. Keywords: acer; actions; bologna; buildings; energy; housing; information; interventions; performance; retrofitting; stock; tool
• Lifelong learning of property managers in enabling sustainable and energy efficient residential buildings: experiences of care project in Tampere region by Tammi, Kalle; Väisälä, Pekka; Murtomaa, Petri; Juvela, Jussi-Pekka; Hietakangas, Jani; Lähteenmäki, Timo; Vuopponen, Silva (2022) - Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague LIFELONG LEARNING OF PROPERTY MANAGERS IN ENABLING SUSTAINABLE AND ENERGY EFFICIENT RESIDENTIAL BUILDINGS: EXPERIENCES OF CARE PROJECT IN TAMPERE REGION Kalle Tammia,∗, Pekka Väisäläa, Petri Murtomaaa, Jussi-Pekka Juvelaa, Jani Hietakangasa, Timo Lähteenmäkia, Silva Vuopponenb a Tampere University of Applied Sciences, Kuntokatu 3, 33520 Tampere, Finland b EcoFellows Ltd., Valssipadonraitti 3, 33100 Tampere, Finland ∗ corresponding author: kalle.tammi@tuni.fi Abstract. The CARE – Resource efficient caretaking of residential buildings project implemented flexible courses and training for property managers to enhance their technical understanding of energy efficient renovations and retrofit of new energy solutions. Keywords: buildings; companies; efficiency; energy; finland; housing; learning; managers; project; property
• Climate-resilient and resource-conserving architecture through renewable building materials and microclimate improvement by Vaklinova Mitrenova, Elena; Aichholzer, Martin; Santana Sosa, Aida (2022) - Keywords: Climate resilience, sustainable buildings, renewable building materials, blue and green infrastructure, microclimate simulations. One of the key insights of the workshop is the necessity for integrated planning in order to construct climate resilient buildings, i.e. the consider- ation and integration of green and blue infrastructure measures even in the earlier planning stages. Keywords: building; case; climate; construction; energy; house; improvement; infrastructure; materials; microclimate; planning; simulation
• Development of scientific requirements for climate-neutral buildings and sustainable funding schemes in Germany by Eckart, Sylvi; Jäger, Juliane; Kerz, Nicolas; Rietz, Andreas (2022) - Keywords: Sustainable building, New European Bauhaus, sustainability assessment, climate protection plan, federal funding. In terms of sustainable building, environmentally sound and energy-efficient construction as well as climate- friendly adaptation of buildings must be seen as a holis- tic task. Keywords: building; climate; development; energy; federal; qng; quality; requirements; seal
• From intelligent building to smart city - A case study by Mui, Dennis Heung-fu (2022) - 572 Acta Polytechnica CTU Proceedings 38:566–572, 2022 1 Introduction 2 Intelligent Building 2.1 Definition and objectives 2.2 Hang Sang Bank New Headquarters Building, Hong Kong SAR 3 From Sustainability to Resilience 3.1 Sustainability 3.2 Resilience 3.3 Pacific Century Place (PCP) Jakarta, Indonesia 4 Smart City 4.1 Definition of smart city 4.2 Attributes of smart city 4.3 Purpose, objective and benefits of smart cities 4.4 Appraisal of a smart city development in South East Asia 5 Conclusion References A Appendix – Table 1 This paper is to provide some insights to professionals on the evolution of smart city, to present its concept and appropriate elements based on the author’s 40+ years of experience in international building development projects. Keywords: building; cities; city; control; development; energy; environment; green; management; resilience; services; system; use; water
• Toolkit for the efficient articulation of sustainable strategies with design and management methodology used by AECO industry in Latin America by Valbuena-Bermúdez, Carolina; Bengoa-Alvarez, Claudia (2022) - BIM is ideal for providing information to improve the design and performance of buildings in relation to sustainable building design with Integrated Project Delivery (IPD) and design optimisation Building information modelling (BIM) for sustainable building design. Keywords: america; buildings; construction; design; energy; guidelines; housing; latin; management; project; regulations; social; strategies
• Development of a realistic scenario for the thermal energy demand of residential buildings in Bavaria till 2050 by Barton, Michael; Pichlmeier, Franziska; Wolter, Marissa; Schweigler, Christian (2022) - Balance heat demand residential buildings in Bavaria 2016. Balance heat demand residential buildings in Bavaria 2050. Keywords: building; co2; demand; energy; germany; heat; residential; stock
• A theoretical assessment of transport emissions from institutional buildings in a Norwegian municipality by Fahlstedt, Oskar; Bohne, Rolf Andrè (2022) - Building emissions The energy use from 2019 for each school was available in the case study. The overall results showed that building emissions are always higher than the ones from transport for the first two electricity mixes (i.e., 402 and 136 g CO2eq/kWh). Keywords: building; carbon; co2eq; embodied; emissions; energy; municipality; refurbishment; school; study; transport; years
• Operational energy and embodied impacts of retrofitting the window frames of mixed-mode office buildings by Gravia Pimenta, Rafaela; de Oliveira Neves, Leticia; Gomes , Vanessa (2022) - Keywords: Energy efficiency, operational energy, embodied energy, life-cycle analysis, office building, envelope, retrofit. As operational energy represents the largest energy consumption of a building throughout its life cycle, reducing it should be the most important aspect to be addressed by designers, architects and engineers [3]. Keywords: buildings; cycle; demand; energy; impacts; life; office; scenarios; window; wwr
• Proof of concept - using prospective hybrid MFA-LCA to evaluate the environmental implications of Circular Economy using a case study of wood by Emmanouil, Nikolaos; Andersen, Sarah Cecilie; Birkved, Morten (2022) - This “wood-approach” for test of concept case study, is chosen due to the increasing interest in wood construction. Building Stock Modeling To estimate future building stock, the quantity of ma- terials needed for construction purposes in Denmark, until 2100, must be identified. Keywords: assumptions; biomass; building; case; construction; denmark; energy; future; national; scenarios; ssp; study; wood
• Implementation of positive energy district concepts and energy master plans for decarbonization of districts by Haase, Matthias; Baer, Daniela (2022) - Therefore, understanding the different dimensions of sustainable development in combination with energy supply and consumption is more important than ever for planning and realizing settlements. Issues in energy supply (utility model) In recent years the understanding of the role of utilities has changed dramatically. Keywords: building; business; community; district; emp; energy; implementation; local; models; planning; public; sector; supply
• A case study of implementing a renovation concept by Haase, Matthias (2022) - Scaling up deep energy renovations. 3. Results The results of the case study are presented in energy use, investment and maintenance costs as well as energy costs, and GHG emissions. Keywords: boiler; chf; co2; costs; emissions; energy; options; renovation; supply
• Characteristics of business models for innovation clusters in decarbonation projects by Haase, Matthias; Motoasca, Emilia (2022) - In the energy sector the following characteristics to the business models for energy supply have been identified. There are no specific business models for energy supply applied to renovation of districts. Keywords: buildings; business; business models; electricity; energy; innovation; models; production; service; supply; system; value
• Twin Rooms – new experimental test cells for testing advanced facade elements by Bielek, Boris; Szabó, Daniel; Klem, Josip; Kaniková, Kristína; Danková, Alžbeta (2022) - Test cells consists of a solar laboratory – two-room for a comparative study of the effect of solar radiation and heat transfer on energy consumption and indoor climate. 38/2022 Twin rooms – new experimental test cells . . Keywords: air; building; cells; climate; conditions; elements; energy; facade; heat; rooms; test; twin
• Adapting façade performances to climate change in northern Europe: Analysis of future scenarios for an office building in Stockholm by Costanzo, Matteo; Mainini, Andrea Giovanni; Iannaccone, Giuliana; Martinac, Ivo; Parsman, David (2022) - Annual building energy consumption in the different years for each solution. Considering an office building, the energy performance (expressed as pri- mary energy) is limited to 80 kWh/m2Atemp, and the envelope performance (considered as Um-value, average heat transfer coefficient) is limited to 0.60 W/m2K. For what concerns the indoor comfort, specific rec- ommendations for thermal comfort in office buildings and workplaces are reported by the Swedish Work En- vironment Authority (SWEA) based on the provisions given by the EN 7730 Keywords: air; building; change; climate; cooling; demand; energy; office; results; shading; stockholm; system; temperature
• Is it all about the windows? Residents' values in residential heritage buildings by Wise, Freya; Moncaster, Alice; Jones, Derek (2022) - Replacing windows is often a critical element of a low energy retrofit, but for heritage buildings this can be problematic. Keywords: Heritage buildings, windows, user values, retrofit. Keywords: buildings; carbon; energy; glazing; heritage; residents; retrofit; shutters; values; windows
• Evaluation of thermal and mechanical properties of demonstration wall utilizing phase change cementitious materials by Červenka, Jan; Herzfeldt, Michaela; Caggiano, Antonio; Koenders, Eduardus (2022) - The time de- pendent thermal properties of PCM materials are depicted in Figure 3. 15 % lower thermal energy input for the case of PCM material. Keywords: change; energy; figure; materials; pcm; phase; properties; temperature; thermal; wall
• Dynamics of apartment building renovation investment costs based on Estonian reovation grant scheme by Miller, Grete; Lihtmaa, Lauri; Kalamees, Targo (2022) - While energy prices have increased substantially recently, we also observe that renovation prices have increased twofold wihtin last decade. However, most significant increase of renovation price was due to the additional construction works and quality improvement. Keywords: apartment; buildings; construction; cost; energy; grant; period; price; renovation
• Influence of the structural integrity management on the levelized cost of energy of offshore wind: a parametric sensitivity analysis by Kinne, Marko; Farhan, Muhammad; Schneider, Ronald; Thöns, Sebastian (2022) - According to the EU strategy presented by the EU Commission in 2020, €800 billion will be invested in offshore re- newable energy over the next 30 years to increase the capacity of offshore wind energy from 12 GW to 60 GW by 2030 with an aim to reach a total capacity of 300 GW by 2050 As an example, in 2018 the LCoE of offshore wind energy in Germany was still higher than the LCoE of other main energy carrier such as brown coal [4]. Keywords: analysis; energy; expenditures; input; lcoe; parameters; sensitivity; structures; support; turbine; wind
• ECOPOOL+++: Developing a sustainable outdoor heated swimming pool by Oliveira, Miguel José; Inverno, Armando; Farinha, Fátima; Monteiro, Jânio; Cabrita, Cristiano; Segura, Maria; do Carmo, Francisco; Venturinha, Adelino; Matias, Gina (2022) - In terms of water losses, Severine [14] refers the im- portance of optimising the regeneration operations of swimming pool filtering systems to reduce water con- sumption. At this level, the best market practices point to the implementation of industrial automation systems, made-to-measure using programmable logic controllers for the supervi- sion and control of equipment in an integrated manner for the interconnection of hydraulic systems, water treatment, and water heating systems. Keywords: control; ecopool+++; energy; heat; heating; losses; outdoor; pool; project; solutions; swimming; systems; water
• Spectrometry of neutron field based on p(20)+Be source reaction by Kozic, Ján; Štefánik, Milan (2022) - A determined neutron spectrum is essential for various experiments, e.g., material research, measurements of nuclear data, etc. Keywords: Accelerator-driven neutron source, beryllium target station NG-2, activation foil technique, neutron energy spectrum, SAND-II. Neutron energy spectra from the source reaction p+Be measured by Lone et al. Keywords: energy; mev; neutron; nuclear; reaction; source; spectrum; target
• Determination of radionuclide impurities in pure beta radiation sources by semiconductor spectrometry by Novotný, Pavel (2022) - This procedure proceeds from higher ener- gies (i.e. for beta spectra from nuclides with a higher endpoint value) to lower ones. Beta spectra of 89Sr samples containg different amount of 90Sr/90Y impurity (top 0.3 %, bottom 3.0 %). Keywords: activity; beta; energy; impurity; method; radionuclide; spectra; spectrum
• Experimental monitoring of autonomous curtain walling facade module by Zavřel, Vojtěch; Matuška, Tomáš; Slanina, Petr (2022) - The demonstration façade unit is compounded from three main modules: an opaque module with BIPV and integrated flat-plate batteries, an opaque module with BIPV and façade integrated Peltier AC unit and a transparent module with BIPV and active shading device. Flowrate through interior and exterior channel of Peltier AC unit were different for winter and summer operation. Keywords: cooling; curtain; energy; façade; module; monitoring; peltier; system; unit
• Asynchronous time integration while achieving zero interface energy by Dvořák, Radim; Kolman, Radek; Falta, Jan; Neühauserová, Michaela (2023) - Actual interface time step has the value of ∆tI = tn+1 2 − tn 1 . Although the term (4) for interface energy has an exactly zero value, the system is dissipating energy during the very beginning of the simulation. Keywords: bar; energy; figure; integration; interface; method; subdomains; time
• Ecological solutions for freight trains by Chýle, Martin; Drábek, Michal (2023) - The value of specific traction energy, which we’ll obtain, can be used in the calculation of the total energy consumption at every power output. By contrast, in Germany, for example, the share of nuclear power is just under 6 percent, and petroleum products account for over 35 percent of energy sources. Keywords: consumption; diesel; electric; energy; locomotive; power; traction; train

• Design strategy for the prototyping of 3D-printed continuous fiber-reinforced components for solar-powered vehicle by Babbi, Giulia; Minak, Giangiacomo (2024) - Continuous fiber fused filament fabrication is an advanced 3D printing method that allows designers to produce high-performing lightweight structures, leading toward innovative design philosophies and sustainable production chains. Keywords: 3D printing, continuous fibers, manufacturing constraints, solar-powered vehicle, Mark- forged®. Keywords: components; design; fiber; load; manufacturing; materials; parameters; printing; process; properties; reinforcement
• Assessment of local mechanical properties of laser powder bed fused aluminium alloy by non-destructive testing based on FIMEC indentation by Villani, Vittorio; Ponticelli, Gennaro Salvatore; Venettacci, Simone; Guarino, Stefano (2024) - 48/2024 Local mechanical properties of LPBF aluminium alloy by FIMEC Characteristic Value Chemical composition 48/2024 Local mechanical properties of LPBF aluminium alloy by FIMEC grain growth induced by the fact that the bottom part remains at high temperature longer. Keywords: figure; fimec; indentation; manufacturing; materials; process; properties; samples; test
• Experimental of verification of alternative hydraulic binders flexural and compressive strength by Palička, Aleš; Prošek, Zdeněk; Tesárek, Pavel (2024) - 49/2024 Experimental of verification of alternative hydraulic binders Marking CEM 49/2024 Experimental of verification of alternative hydraulic binders 0 10 20 30 40 50 60 REF N6_30 Keywords: ash; binders; cement; days; fly; materials; strength
• Modulus estimation of polymers via nanoindentation – impact of surface roughness, peak force and testing speed by Huszar, Michael; Oreski, Gernot; Arbeiter, Florian (2024) - SEM images from lasting impression of indentations with 10mN maximum load on P E samples with different surface roughness. However, they show that the modulus characterization is less influenced by surface roughness than hardness evaluations. Keywords: hardness; indentation; materials; nanoindentation; results; roughness; surface
• Mechanical properties of dental fillings with nanoparticles by Mrózek, Magdalena; Svobodová, Lucie; Bakalova, Totka; Gronwald, Helena; Bukovská, Šárka; Krafka, Michal (2024) - Images of sample surface with 20x magnification (confocal microscopy). In the latter half of the 20th century, initial men- tions of alternative dental filling materials emerged; one is, for example, Glass Ionomer Cement (GIC). Keywords: composite; gic; glass; group; materials; nanoparticles; properties; samples; surface; wear
• Analysis and optimisation of reinforcing materials for wood adhesives by Buriánek, Vlastimil; Laciková, Petra (2025) - Improving the thermal stability of one-component polyurethane adhesives by adding filler material. The most commonly used are glass fibres (inorganic origin). Keywords: adhesives; criteria; fibres; fillers; materials; particles; properties; resistance; table; wood
• Rheology properties of metakaolin activated by lithium water glass by Kellnerová, Vendula; David, Tomáš; Blovská, Veronika; Reiterman, Pavel (2025) - Used lithium water glass. It is evident, that changing silicate modulus of used lithium water glass influenced the final flow of studied pastes. Keywords: flow; glass; lithium; materials; metakaolin; pastes; properties; water
• Flexural behavior of timber-high-performance concrete experimental slabs by Vlach, Tomáš; Klimt, Jonáš; Kafková, Eliška; Macháček, Jan; Kabíčková, Věra; Hájek, Jakub (2025) - 53/2025 Flexural behavior of timber concrete experimental slabs Specimen Number Weight Thick Width Length Fcf ,max ϕFcf ,max 53/2025 Flexural behavior of timber concrete experimental slabs [5] L. Marchi, L. Pozza. Keywords: concrete; glulam; hpc; materials; ribs; strength; timber
• PRELIMINARY ASSESSMENT OF THE CHANGE IN THE MECHANICAL BEHAVIOR OF SYNTHETIC YARNS SUBMITTED TO CONSECUTIVE STIFFNESS TESTS by Stumpf, Felipe Tempel; Guilherme, Carlos Eduardo Marcos; Chimisso, Fulvio Enrico Giacomo (2016) - There are standardized stiffness tests, such as ISO 18692, based on quantities like Dynamic Stiffness and Quasi-static Stiffness, through which one can compare, quantitatively, two different ropes. Quasi-Static Stiffness and Dynamic Stiffness The industry, both oil companies and rope makers, make use of [7] to measure QSS and DS of their prod- ucts in order to compare the stiffness of different materials or different rope configurations. 2.1. Keywords: materials; qss; quasi; stiffness; tests
• SEMI-ACTIVE DAMPING PERFORMANCE OF IRON PARTICLE FILLED SILICONE RUBBER by Dirisamer, Florian; Cakmak, Umut; Marth, Edmund; Major, Zoltan (2016) - Non-magnetoactive materials used for O-rings with eccentric weights was used. Non-magnetoactive Different photopolymers for 3D-printing (Stratasys Ltd.) were selected as non-magnetoactive materials for the printed O-rings. Keywords: element; field; figure; materials; motor
• THE CURRENT VIEW ON THE USE OF RECONSTRUCTION MATERIALS IN DENTISTRY by Vrbova, Radka; Bradna, Pavel; Bartos, Martin; Himmlova, Lucie; Horazdovsky, Tomas (2017) - Keywords: hard dental tissues, tooth decay, erosion, dental materials. The range of dental materials intended for dental tissue reconstruction is extensive. Keywords: enamel; materials; prague; tissues; tooth
• LONG-TIME INVESTIGATION OF CEMENT COMPOSITE MATERIAL WITH MICRONIZED WASTE MARBLE POWDER: DYNAMIC MODULES by Prošek, Zdeněk; Topič, Jaroslav (2017) - 5. Conclusions This work is focused on the mechanical properties of the cement composites composed of Portland cement and different amounts of waste marble powder. The remainder is refused and accumulated in mounds marble waste close to the extraction quarries [8, 9]. Keywords: cement; elasticity; marble; materials; modulus; samples; waste
• NEUTRONIC ANALYSIS OF THE CANDIDATE MULTI-LAYER CLADDING MATERIALS WITH ENHANCED ACCIDENT TOLERANCE FOR WWER REACTORS by Novák, Ondřej; Ševeček, Martin (2018) - This alloy serves as a substrate on which different coating materials are applied. Multiplication factors for different coating materials and thicknesses. Keywords: accident; cladding; coating; cycle; figure; fuel; materials; neutron; reactors
• IMITATING NEUTRON IRRADIATION DAMAGE USING A COMBINATION OF ION BEAMS by Šísl, Václav; Ševeček, Martin (2018) - There is a strong motivation for using ion beams to imitate neutron irradiation damage, mainly in order to reduce costs and time demands linked to neutron irradiation experiments. The goal of cur- rent research is to achieve as comparable irradiation damage profile as possible resulting in imitation of irradiation damage by heavy ions. Keywords: beams; damage; distribution; individual; irradiation; materials; neutron; nuclear
• THIN NITRIDE LAYERS AS PERMEATION BARRIERS by Veverka, Jakub; Matejicek, Jiri; Lukac, Frantisek; Pospisil, David; Cvrcek, Ladislav; Nemanic, Vincenc (2018) - Permeation barriers represent one of the crucial fields in materials development for thermonuclear fusion. Keywords: permeation barriers, nitride layers, PVD coating, permeation measurement. Keywords: barriers; coatings; fusion; layers; materials; nitriding; permeation; plasma
• INSTRUMENTATION OF SPLIT HOPKINSON PRESSURE BAR FOR TESTING OF CELLULAR METALLIC MATERIALS by Falta, Jan; Zlámal, Petr; Adorna, Marcel (2018) - Due to possible change of experimental setup in terms of used measurement bars (currently, both aluminum and PMMA bars are used) and num- ber of strain gauges and their type (foil or semiconduc- tor strain gauges) it was necessary to implement our own design of the components. Design and implementation of the components related to the strain wave measurement based on strain gauges (i.e. strain-gauge measurement unit, power supply unit, filtration) and the components used for the control and synchronization of the experiment, such as module of laser trough-beam photoelectric sensor are summarized in the paper. Keywords: bar; figure; gauge; instrumentation; materials; measurement; signal; strain; unit
• INSTRUMENTATION OF FOUR-POINT BENDING TEST DURING 4D COMPUTED TOMOGRAPHY by Kytýř, Daniel; Fíla, Tomáš; Koudelka, Petr; Kumpová, Ivana; Vopálenský, Michal; Vavro, Leona; Vavro, Martin (2018) - In case of bending tests, our background research showed that no commercial solution allowing for reliable investigation of so called fracture process zone in quasi-brittle materials is currently available. Thus, this paper is focused on description of recently developed in-situ four-point bending loading device and its instrumentation for testing of quasi-brittle materials. Keywords: bending; crack; device; fracture; loading; materials; propagation; ray
• STUDY OF THERMAL CREEP OF COATED CLADDING MATERIALS by Ševeček, Martin; Shirvan, Koroush; Ballinger, Ronald G. (2018) - Small leakages were found in the gas line that pressurizes pressure samples during the test e.g. in Fig. Pressure tubes for creep experiments in as-coated state. Keywords: cladding; creep; fecral; figure; materials; pressure; run; samples; tubes; water
• TECHNOLOGY OF PREPARATION OF BARIUM AND MAGNESIUM HYDROXIDE NANODISPERSION AND POSSIBILITIES OF THEIR USE IN MONUMENT CARE by Kroftová, Klára; Škoda, David; Kuřitka, Ivo; Kubát, Jan (2019) - Presented work demonstrates that this reaction procedure can be applied for preparation of materials used in cultural heritage preservation. In recent decades, the meaning of nanotechnology has raised in the area of cultural heritage protection, which brings new ways of protecting building structures by using specific, functionalized properties of materials due to increasing the surface area ratio of particle surface to particle volume of nanomaterials. Keywords: barium; heritage; hydroxide; magnesium; materials; nanoparticles; sample
• FRESH STATE PROPERTIES OF LIME MORTARS WITH FLAX OIL ADMIXTURE by Bauerová, Pavla; Reiterman, Pavel; Pavlíková, Milena; Kracík Štorkánová, Magdalena; Keppert, Martin (2019) - Moreover, the introduction of the paper summarizes principal knowledge about action of natural admixtures in lime mortars and plasters on basis of current literature. Animal blood can be also clas- sified as protein admixture, even though its complex composition; it is significantly improving adherence of lime mortar and its durability due to reduction of water absorption and air-entraining effect [10]. Keywords: admixture; air; content; doi:10.1016; flax; lime; materials; mortar; oil
• OPTIMIZATION OF MIX-DESIGN OF CHEMICALLY RESISTANT SPRAYED CONCRETE by Hermann, Radek; Drochytka, Rostislav; Kolísko, Jiří; Reiterman, Pavel (2019) - The mix was optimized by additions improving chemical resistance and binder substituted by secondary raw materials. Keywords: Sprayed mix, optimization, secondary raw materials, water absorbing capacity, granulo- metric curve. Keywords: design; fly; glass; materials; mix; properties; water
• MONITORING AND PROTECTION OF TIMBER-CONCRETE BRIDGES by Kuklík, Petr; Velebil, Lukáš; Gregorová, Anna; Svora, Petr (2019) - The majority of timber bridges for ordinary road traffic are often made as timber-concrete composite structures. The reason for decay in timber bridges is nearly always poor detailing for durability, low quality of ma- terials applied and neglected maintenance (a regular check of the whole bridge should be made at intervals not exceeding three to five years). Keywords: bridges; concrete; fiber; materials; monitoring; timber; tio2; wood
• ELECTRICAL PROPERTIES OF FLY ASH GEOPOLYMER COMPOSITES WITH GRAPHITE CONDUCTIVE ADMIXTURES by Mizerová, Celílie; Kusák, Ivo; Rovnaník, Pavel (2019) - [9, 10], the electrical conductivity of fly ash geopolymer matrix is affected by the NaOH concentration in activator solution, the frequency spectrum and liquid activator/ash ratio (L/A). Conclusions The results mentioned above confirm that graphite powder can be applied to fly ash geopolymer matrix to enhance its electrical properties. Keywords: ash; content; fly; geopolymer; graphite; materials; properties
• RECYCLING OF CONSTRUCTION WASTE USING HIGH-SPEED MILLING PROCESS: DETERMINATION OF WASTE CONCRETE by Prošek, Zdeněk; Tesárek, Pavel; Trejbal, Jan; Horová, Tereza (2019) - The second column was the column B, which was also made of concrete recyclate fraction 0 – 16mm. Concrete is the most used construction material and therefore sources of concrete recyclate are relatively large and easily accessible. Keywords: analysis; cement; clinker; column; concrete; construction; materials; results; waste
• MECHANICAL PROPERTIES IMPROVEMENT OF FIBER REINFORCED CONCRETE by Trejbal, Jan; Nežerka, Václav; Hlůžek, Radim; Prošek, Zdeněk (2019) - Amount of stress transfered via fibers depends especially on their number and on adhesion between fiber surfaces and the cement matrix Although a benefit of fiber surface treatment was proven from the perspective of “surface science” many times, this was not achieved from the practical point of view, including the field of FRCs. Keywords: cement; concrete; fibers; materials; matrix; plasma; reference; strength; treatment
• EXPERIMENTAL VERIFICATION OF IMPREGNATED TEXTILE REINFORCEMENT SPLICING BY OVERLAPPING by Vlach, Tomáš; Laiblová, Lenka; Řepka, Jakub; Jirkalová, Zuzana; Hájek, Petr (2019) - The purpose of this experiment was experimental verification before flat reinforcement splicing by overlapping on the final product – furniture with textile reinforcement. Keywords: Textile reinforcement, high performance concrete, textile reinforced concrete, reinforcement splicing, reinforcement overlapping. Keywords: concrete; materials; reinforcement; specimens; tensile; testing; textile
• CHARACTERIZATION OF LIGHTWEIGHT LIME MORTARS CONTAINING BRICK WASTE POWDER by Vyšvařil, Martin; Žižlavský, Tomáš; Bayer, Patrik; Rovnaníková, Pavla (2019) - Waste brick powder was used to improve the strength char- acteristics of lime mortar as a cement replacement due to the suppose applications of mortars in restora- tion works. According the latest results, the combination of EP and waste brick powder in lime mortars seems to be auspicious Keywords: brick; lightweight; lime; materials; mortars; powder; properties
• PHYSICAL-MECHANICAL PROPERTIES AND DURABILITY OF HYDRAULIC LIME-BASED MORTARS WITH NON-TRADITIONAL BIOPOLYMERS by Žižlavský, Tomáš; Vyšvařil, Martin; Rovnaníková, Pavla (2019) - Alginate biopolymers: Counteracting the impact of superabsorbent polymers on mortar strength. Their use in lime mortars is far less studied, partially due to the amount of production of concrete in comparison with lime for the building purposes. Keywords: biopolymers; durability; lime; materials; mortars; properties; strength
• HIGH STRAIN-RATE COMPRESSIVE TESTING OF FILLING MATERIALS FOR INTER-PENETRATING PHASE COMPOSITES by Doktor, Tomáš; Fíla, Tomáš; Zlámal, Petr; Kytýř, Daniel; Jiroušek, Ondřej (2019) - Strain-rate effects in polyurethane foam occured start- ing at strain rates higher than 1500 s−1. The displacement controlled test was performed up to overall strain of 50 % with loading rate of 4µm.s−1 corresponding to strain-rate appox. Keywords: bar; loading; materials; polyurethane; rate; strain; tests
• MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER by Trejbal, Jan; Valentová, Tereza; Nežerka, Václav; Semerák, Petr (2020) - Then, the adhesion was analyzed mechanically using pull-off tests, when two cylindrical parts of aggregate were sandwiched with 1mm layer of bitumen binder and consequently pulled-off. The choice of a suitable additive depends on the origin of used aggregate, the type of binder, and temperature of asphalt mixture preparation Keywords: adhesion; aggregate; analysis; asphalt; binder; bitumen; materials; water
• COMPRESSION OF ECAPED TITANIUM MICRO-PILLARS FOR TWO PRINCIPAL ORIENTATIONS by Vokoun, David; Maňák, Jan; Tesař, Karel; Habr, Stanislav (2020) - 27/2020 Ecaped titanium micro-pillars Compression [15] C. Frick, B. Clark, S. Orso, et al. However, grains of titanium samples produced in a conventional way are large and their refinement requires special methods. Keywords: compression; ecaped; materials; micro; pillars; samples; size; stress; titanium
• ROLE OF FLUID ON THE CONTACT DEFORMATION RESPONSE OF BIOLOGICAL TISSUE by Swain, Michael V. (2020) - In many instances minimal differ- ences in test/instrument parameter requirements are necessary for conducting tests for instance in the case of tooth enamel. Influence of structural hierarchy on the fracture behaviour of tooth enamel. Keywords: behaviour; dentine; enamel; fluid; indentation; journal; materials; plastic; properties; response; swain; tissues
• HOT HARDNESS MEASUREMENTS ON MATERIALS UP TO 600 °C DURING THE FIRST HOUR OF USING by Passilly, Bruno; Molenda, Lara (2020) - Measuring hardness at high temperature gives important insight of the ther- mophysical properties of the material. Research on micro and nanoindentation at high temperature has increased for the past two decades and many issues remain [3–5]. Keywords: hardness; load; materials; sample; temperature
• INCREASING THE BIOLOGICAL RESISTANCE OF GYPSUM BY MEANS OF SILVER, CALCIUM AND COPPER IONS by Prošek, Zdeněk; Sekavová, Hana; Ryparová, Pavla (2021) - Preparation of microencapsulated phase change materials used graphene oxide to improve thermal stability and its incorporation in gypsum materials. In an experimental study, the effect of silver ions on the mechanical properties of the gypsum composite was investigated and it was found that: the introduction of silver ions results in a less com- pact structure of hardened gypsum samples, leading to a 20% deterioration in flexural strength Keywords: calcium; copper; gypsum; ions; materials; resistance; samples; silver
• Effect of TiO2 and ZnO powder mixtures on mechanical and photocatalytic performance of high performance concrete by Amor, Fouad; Ingrišová, Lenka; Rácová, Zuzana; Baudys, Michal; Hájek, Petr (2022) - [17], with increasing the dosage of TiO2 nanoparticles in cement mortars, the strength initially increased rapidly compared to the reference mortar until the dosage reached 2% by weight of TiO2, then there is a slowdown in the per- centage of that increase. Photocatalytic degradation of cellulose bleaching effluent by supported TiO2 and ZnO Chemosphere 41:1193-7, 2000. Keywords: cement; concrete; hpc; materials; nanoparticles; nox; strength; tio2; zno
• Limitations of life cycle assessment of green concretes - a state-of-the-art review by Dacić, Amina; Fenyvesi, Oliver (2022) - Green concrete By definition, green concrete is concrete which uses waste material as at least one of its components, or its production process does not lead to environmen- tal destruction, or it has high performance and life cycle sustainability. [10] J. Turk, Z. Cotič, A. Mladenovič, et al. Environmental evaluation of green concretes versus conventional concrete by means of LCA. Keywords: aggregate; assessment; cdw; co2; concrete; construction; cycle; lca; life; materials; results; waste
• Critical assessment of CO2 emission of different concretes: foamed, lightweight aggregate, recycled and ordinary concrete by Falliano, Devid; Quattrocchi, Salvatore; De Domenico, Dario; Ricciardi, Giuseppe; Gugliandolo, Ernesto (2022) - Fracture behavior of lightweight foamed concrete: The crucial role of curing conditions. A critical discussion is finally made regarding the possibility of adopting alternative concrete mixes (as substitute of ordinary concretes) characterized by lower CO2 emissions. Keywords: cement; co2; concrete; density; emission; lightweight; materials; mix
• Utilization of recycled and secondary materials in concrete production - LCA by Horáková, Anna; Kohoutková, Alena; Broukalová, Iva (2022) - The paper describes an assessment of concrete in terms of environmental impacts in relation to the utilization of recycled materials. The article includes a short summary of the literature search on evaluation methods for environmental impacts and on recycled and secondary materials. Keywords: aggregate; cement; concrete; consumption; impacts; materials; production; waste
• Natural fiber-reinforced light-weight cement blocks prepared from waste for sustainable development by Chandeng, Latda; Meesak, Thanawat; Tuakta, Chakrapan; Wisuthseriwong, Tidarut; Ueda, Tamon; Jongprateep, Oratai (2022) - Production of cement blocks, however, generally requires Ordinary Portland Cement (OPC) which creates harmful environmental impacts. In this study, the mixture containing synthesized cement-like material, OPC, rice husk ash, and jute fibers were mixed with water at the W/B ratios rang- ing from 0.8 to 1.1, and cast into cement blocks. Keywords: ash; blocks; calcium; cement; cement blocks; content; fiber; husk; materials; rice; strength; water
• Microstructural characterization of high-performance steel fiber reinforced geopolymer concrete by Ralli, Zoi G.; Pantazopoulou, Stavroula J.; Papangelakis, Vladimiros G. (2022) - Such materials are geopolymer binders, encompassing a variety of industrial wastes in the role of a binder and filler. Geopolymer concrete is a class of novel advanced and sustainable structural materials that hold promise for the future of infrastructure. Keywords: concrete; content; ffa; fibres; figure; geopolymer; ggbfs; hpfrgc; materials; porosity; properties; strength
• How design concepts influence carbon footprints of load bearing structures by Rønning, Anne; Prestrud, Kjersti; Saxegård, Simon; Haave, Simen S.; Lysberg, Magne (2022) - And even when assessing a load-bearing structure and not the whole building, a holistic approach is vital and one need to reflect on how the load-bearing structure will affect other activ- ities’potential GHG emissions during the service life to ensure design for low GHG emissions. GHG emissions were calculated based on the same type of means of transport as stated in the EPD. Keywords: buildings; carbon; concrete; construction; emissions; epd; ghg; load; materials; storeys; structures
• Reduction of dissolved oxygen in minimizing corrosion by Ventanilla, Mary Grace; Ongpeng, Jason; Takahiro , Nishida; Kawaai, Keiyu (2022) - Candidate materials from different types of agricultural waste, industrial waste, natural minerals, and green inhibitors. Graph showing relationship of Embodied Carbon for cements by clinker content, source [4] hibitors are considered as candidate materials in re- ducing the DO level of mixing water that could affect concretes resistivity to corrosion. Keywords: ash; concrete; corrosion; materials; oxygen; waste; water
• The status of sustainable concrete codes in the United States by Taylor, Andrew Warren (2022) - These include more than 40 standards and guides containing information on sustainability in concrete construction; over 60 jour- nal articles related to sustainability; 200 practice- oriented papers and articles on sustainable design and construction methods; more than 100 online learning tools; and sponsorship or co-sponsorship of over 25 events that have supported the advancement of sus- tainability in concrete design and construction. It should be noted that in the 2019 edition of the ACI 318 Building Code [7], Section 26.4.1.1.1 was added with the intention of providing increased flex- ibility to engineers and contractors for incorporating alternative cements in concrete construction: Alter- native cements shall be permitted if approved by the licensed design professional and the building official. Keywords: building; carbon; cement; concrete; construction; emissions; materials; state
• Engineering properties of geopolymer concrete: a review by Parcesepe, Eliana; Lima, Carmine; Maddaloni, Giuseppe; Pecce, Maria Rosaria (2022) - Mechanical properties of fly ash based geopolymer concrete with full and partial cement replacement. Bond strength between blended slag and Class F fly ash geopolymer concrete with steel reinforcement. Keywords: ash; concrete; engineering; fly; geopolymer; gpc; https; materials; properties; research; strength
• Thermal properties of mineral wool insulation recovered from construction and demolition waste by Domonkos, Mária; Zobal, Ondřej; Prošek, Zdeněk; Trejbal, Jan (2022) - Utilization of thermal insulation material waste could be an important step in improving the recy- cling percentage of C&DW It should be noted that insulation material waste may contain var- ious contaminants (e.g., nails, screws, rubble, stones, wood, binders, lubricants, mortar, polyurethane foam, etc.) which must be considered when evaluating its 6 https://doi.org/10.14311/APP.2022.34.0006 https://creativecommons.org/licenses/by/4.0/ https://www.cvut.cz/en vol. Keywords: conductivity; insulation; materials; mineral; recycling; set; waste; wool
• New possibilities for recycling of mineral wool separated from thermal insulation waste by Trejbal, Jan; Zobal, Ondřej; Domonkos, Mária; Prošek, Zdeněk (2022) - Recycling of thermal insulation materials in the building industry. Thus, it can be expected that know-how in MWW recycling will be in demand [6]. Keywords: building; fibers; materials; mineral; mww; recycling; strength; waste; wool
• Catalogue of construction products containing secondary raw materials from different industries and municipal waste by Pavlů, Tereza; Pešta, Jan; Volf, Martin; Lupíšek, Antonín (2022) - Also, it contains a list of valid requirements for the use of recycled materials under specific conditions of the Czech Republic. Meanwhile, the main regulation for high rates of recycling materials and their utilization in the construction industry is defined by Regulation (EU) No. 305/2011 of the European Parliament and the Council, which focuses on sustain- able utilization of natural resources Keywords: construction; materials; production; products; recycled; recycling; use; waste
• Ecotoxicological assessment of recycled aggregate and concrete via aquatic biotests by Mocová, Klára Anna; Roztočilová, Hedvika; Mariaková, Diana (2022) - Influence of chemical proper- ties on the use of waste materials in concrete applications. Recycling of waste materials for asphalt concrete and bitumen: A review. Keywords: acute; aggregates; concrete; construction; ecotoxicity; leaching; materials; samples; test; waste
• Advancing Circular Economy in the existing building stock: A methodology to support building characterisation for sustainable refurbishment design by Fernandes, Joana Bastos; Ferrão, Paulo Cadete; Silvestre, José Dinis; Aguiar Costa, António; Göswein, Verena (2022) - The new methodology developed in this paper in- tends to fill these gaps and it assumes that the starting point of a refurbishment design consists in analysing existing buildings’ architecture and construction sys- tems and materials, on assessing their thermal per- formance, characterising its uses and their dynamic energy consumption [8]. Discussion and Conclusions This paper contributes with a new methodology that supports the characterisation of existing buildings for the implementation of tailored refurbishment strate- gies for increased recovery, reuse and recycling of construction materials. Keywords: assessment; bac; bim; building; characterisation; circularity; construction; design; information; materials
• Closing the loop of textile: Circular building renovation with novel recycled insulations from wasted clothes by Augello, Andrea; Carcassi, Olga Beatrice; Pittau, Francesco; Malighetti, Laura Elisabetta; De Angelis, Enrico (2022) - Keywords: Textile wastes, circular economy, life cycle assessment, sustainability, thermal conductivity, transient plane source method. Among these, textile waste has been shown to have potential as thermal in- sulators, thanks to thermal conductivities comparable to traditional insulating materials; therefore, the use of these materials within the construction sector could constitute a possible solution to the problem of recy- cling textile waste, which ends up mainly in landfills (57 %) or incinerated (25 %) at the end of their life. Keywords: building; conductivity; insulation; materials; production; samples; textile; waste
• Natural materials in building construction - annual evaluation by Michálková, Daniela; Ďurica, Pavol (2022) - Although S1 reaches higher rela- tive humidity from the outside, it meets the values of S2 relative humidity already in the middle of the insu- lation layer. However, it is needless to say that neither of the wall assemblies showed relative humidity values that could initialise the growth of moulds and fungi or cause material degradation. Keywords: figure; humidity; materials; period; relative; temperature; wall
• Durability of latent heat storage systems by Bantová, Sylva; Ostrý, Milan; Struhala, Karel (2022) - The CR curves of all metal samples in inorganic PCMs (Figure 1b) are very similar to those in organic PCMs (Figure 1a). The most sig- nificant mass loss occurred in the samples immersed in PCM Rubitherm SP25 (inorganic PCM), the high- est values were achieved in the case of the copper, where the CR exceeded 5.4 mg cm−2 year−1 with the value mass loss of 4.4 mg. Keywords: corrosion; materials; metal; pcms; samples; storage
• Bacterially induced calcite formation at the surface of recycled concrete by Holeček, Petr; Stiborová, Hana (2023) - MICP bacteria can also be used to improve soil properties. In this process, calcium carbonate serves as both a binder and a filler [7]. Keywords: aggregate; bacteria; calcium; carbonate; concrete; materials; micp; precipitation; process; properties
• Dependence of mechanical and thermal properties on the composition of lightweight gypsum composites by Sekavová, Hana; Prošek, Zdeněk; Tesárek, Pavel (2023) - One of the ways to use the treated gypsum waste is in gypsum mixtures for the production of gypsum blocks. Gypsum blocks can be used in standard interior as well as exterior applications and are made of gypsum, water, PP microfibres and are lightened with foam, which is created from a foaming additive and water. Keywords: blocks; gypsum; materials; properties; samples; values; waste
• Stereolithography for manufacturing of advanced porous solids by Drechslerová, Veronika; Neuhäuserová, Michaela; Falta, Jan; Šleichrt, Jan; Kytýř, Daniel (2023) - All types of auxetic structures (Design 1-4) according to Table 2 for compression testing. used for subsequent curing of the samples. For quasi-static compression loading, samples of 3D auxetic structures composed of elementary 2D re-entrant hexagonal honeycomb cells were created. Keywords: deformation; figure; loading; materials; resin; samples; strain; stress; structures; thickness
• Simulation of a multimaterial model for modified auxetic structures by Engel, Alexander; Jung, Anne (2023) - Auxetic structures, which is a term used to describe materials with a negative Poisson’s ratio, show beneficial properties like a low density, a high energy absorption capacity and an increased indentation resistance. Several classes of auxetic structures can be distin- guished. Keywords: auxetic; deformation; materials; poisson; ratio; strain; structure
• Recycled materials for sublayers by Svoboda, Richard; Hubáčková, Dana; Valehrach, Jan (2023) - The following were subsequently selected as suitable and available recyclates for the base layers of the railway substructure: • waste material from ballast cleaning; • recycled concrete; • recycled asphalt. In the introduction, it summarizes the requirements for bearing layers of railway substructure and recycling of waste construction materials. Keywords: bearing; concrete; figure; layers; materials; test; waste
• Verification of material characteristic of natural fibers for concrete reinforcement by Hájek, Jakub; Vlach, Tomáš; Řepka, Jakub; Žďára, Vladimír (2024) - Keywords: Natural materials, natural fibres, alternative reinforcement, tensile test, tensile strength. Natural materials, which are renewable, are of great interest in many scientific fields. Keywords: concrete; figure; flax; materials; modulus; rovings
• Concrete mixtures with photovoltaic panels glass: a review of the situation in Czech Republic by Mariaková, Diana; Fořtová, Kristina; Černý, Stanislav; Pavlů, Tereza (2024) - Further research on the use of waste from photovoltaic panels has been conducted in the Czech Republic since 2019 and the conclusions from various research confirm the suitability of using PV panel glass. This assumption therefore points to the fact that it is necessary and desirable to use the experience of managing e-waste and turn it into opportunities for the management of waste from PV panels in the future. Keywords: concrete; glass; materials; panels; photovoltaic; research; waste
• Mechanical properties of cement pastes containing plasma-treated silicon-based materials by Prošek, Zdeněk; Tesárek, Pavel; Palička, Aleš; Babčenko, Oleg (2024) - 2. Materials and samples Experiments were conducted on cement pastes in which a fraction of the cement was substituted with waste glass powder. (2) 4. Results and discussion The findings concerning bulk density, as illustrated in Figure 2, reveal a discernible trend of diminishing values in relation to the quantity of waste glass powder. Keywords: cement; concrete; glass; materials; plasma; silicon; strength; treatment; waste
• Characteristics of fibres based on secondary raw materials and their use in concrete technology by Sedlmajer, Martin; Bubeník, Jan; Zach, Jiří; Novák, Vítězslav (2024) - • PET fibres seem to be an interesting substitution for PP fibres, even though the PET fibres melt at higher temperatures, above 200 °C, (as can be seen from 126 vol. PET fibres show comparable or even better results in all monitored properties than polypropylene fibres; therefore, there is a possibility of using these fibres as an alternative to PP fibres. Keywords: cel; cellulose; concrete; fibres; heat; materials; pet; types

• Ageing effects on the mechanical properties stability of 3D printed material under compression by Drechslerová, Veronika; Krčmářová, Nela; Falta, Jan; Fíla, Tomáš (2024) - Conclusions As part of the study, sets of printed samples were subjected to three different ageing effects using stere- olithography: sunlight, X-rays, and the effect of the time elapsed between the opening of the resin and its use for production. Effect of aging on mechanical properties of 3D printed samples using stereolitography. Keywords: ageing; figure; loading; properties; resin; samples; strain; stress; test
• Characterization of woven composite material under multiaxial loading regimes using FE-based stereocorrelation by Zaplatić, Andrija; Tomičević, Zvonimir; Hild, François (2024) - Conclusion In this work, FE based stereocorrelation was applied to characterize the mechanical response and behavior of woven glass fiber composite samples under three 0 50 100 150 200 250 300 0 5 10 15 20 25 30 S tr e ss [ M P a ] Principal strain In this paper, woven glass fiber composite samples were subjected to three different cyclic loading histories (i.e., tensile, shear and combined loading at 45° via the Modified Arcan Fixture. Keywords: experiment; figure; loading; shear; stereocorrelation; strain; stress; test
• Properties of cement screeds using recycled fine aggregates with respect to cement percentage by Joura, Leoš (2024) - The results found that the use of recycled fine aggregates allows the production of lighter cement screeds, for example, for reconstruction. 49/2024 Properties of cement screeds using recycled fine aggregates . . Keywords: aggregate; cement; compressive; screeds; strength; test
• Laboratory verification of the properties of recycled fine aggregates and the effect of different replacement percentages on concrete properties by Joura, Leoš; Prošek, Zdeněk; Palička, Aleš (2024) - Mechanical behaviour of concrete made with fine recycled concrete aggregates. Durability performance of concrete made with fine recycled concrete aggregates. Keywords: aggregates; concrete; properties; recyclate; test
• Automation of small sample positioning for mechanical testing in hot cells by Hrdličková, Kateřina; Wudi, Václav; Frantová, Michaela; Štemberk, Petr (2025) - The improvement could be achieved by simplification of sample handling, which could also be achieved through the use of image processing. Control of sample positioning by image processing An image processing system was created to detect un- evenness in the bases of the specimen and to evaluate any off-centre positioning of the concrete specimen relative to the test machine’s axis. Keywords: concrete; figure; loading; machine; sample; specimen; test; testing
• Design of bond strength testing method of concrete layers for creating a material model by Kříž, Marek; Frantová, Michaela; Wudi, Václav; Štemberk, Petr (2025) - It also depends on whether the test will be conducted on an existing structure or whether test samples will be specifically produced for the experiment [5]. Bond strength tests can be divided into predominantly shear and predominantly tensile types. Keywords: bond; bond strength; concrete; figure; interface; layers; sample; strength; test
• Effective mechanical properties identification of the concrete from the historical bridge structure by Lisztwan, Dominik; Nápravník, Petr; Kocáb, Dalibor (2025) - Compressive strength test (top), uniaxial tensile strength test with measurement of strain during the test (bottom). Four specimens for modulus of elasticity tests were cut to the length of 200 mm, i.e., length to diameter ratio equals 2.0. Keywords: compressive; concrete; elasticity; modulus; specimens; standard; strength; test
• Monitoring the reactivity of pozzolans by thermogravimetric method by Vyšvařil, Martin (2025) - Keywords: Pozzolan, pozzolanic activity, Chapelle test, thermogravimetry, compressive strength. Pozzolanic activity essentially defines two values, the maximum amount of lime that the pozzolan can react with (bind) and the rate at which it does so. Keywords: activity; ca(oh)2; content; days; lime; pastes; pozzolans; strength; test
• Experimental analysis of physical properties of lightweight gypsum plasterboard by Hataj, Martin; Jochman, Jan; Pošta, Jan; Domonkos, Mária; Zobal, Ondřej; Nyč, Miroslav (2025) - The results from these bending tests on the same wall panels confirmed that one cannot reliably infer the actual behavior of gypsum boards built into a par- tition from their similar flexural tensile strength values per EN 520:2004+A1:2009 This reduces costs and time by increasing the quantity of gypsum boards transported in a container or truck, thereby enhanc- ing overall efficiency and logistics. Keywords: board; czech; gypsum; lightweight; plasterboard; properties; standard; strength; test
• Probing Gravitational Theories with Eccentric Eclipsing Detached Binary Stars by Milano, Leopoldo; De Rosa, Rosario; De Laurentis, Mariafelicia; Garufi, Fabio (2014) - In this paper, we compare the effects of different theories of gravitation on the apsidal motion of eccentric eclipsing detached binary stars. 4 Discussion and Conclusion Using data coming from apsidal motion rate of EEDB we compared the variation of the relativistic term of the apsidal motion rate due to different theories of gravi- tation, that accordingly produces variation of classical Newtonian term (see Eq. 5). Keywords: binary; motion; systems; test; theories
• LOAD BEARING CAPACITY OF THE GLASS RAILING ELEMENT by Šamec, Elizabeta; Damjanovic, Domagoj; Krolo, Joško (2016) - Considering the behaviour of laminated glass during the test and results of experimental testing compared to numerical ones, glass railing element can be re- garded as safe. Introduction When we have glass elements that are specifically manufactured for construction projects it is highly important to perform laboratory testing in order to confirm their load capacity. Keywords: element; glass; load; numerical; results; test; wind
• DEVELOPMENT OF THE MUNICIPAL NOISE-ABSORBING SCREEN AND TEST SECTION CONSTRUCTION TECHNOLOGY by Bret, Ondřej; Čížková, Petra (2017) - An atypically chamfered unit preventing the crash of tram units into the front of the screen in case of emergency (e.g. displacement of screen units due to vandalism) was mounted onto the front of the Munic- ipal noise-absorbing screen in the riding direction (i.e. in the direction from Pobřežní cesta Stop) (Figures 89). Immediately after the start of the lockout, the MHS two-way excavator made a groove in the ballast bed for the installation of MNAS units (Figure 5). Keywords: figure; mnas; noise; placement; rail; screen; section; test; tram; units
• TESTING METHODS FOR MECHANICALLY IMPROVED SOILS: RELIABILITY AND VALIDITY by Petkovšek, Ana; Maček, Matej; Smolar, Jasna (2017) - Test fields The dimension of the test field was app. Results of CPT tests. Keywords: compaction; cpt; depth; field; figure; ground; layer; liquefaction; mixture; results; ric; site; soil; stress; test
• FOAMED CEMENT COMPOSITES: DETECTION OF THE MODULUS OF ELASTICITY USING DIC ANALYSIS AND COMPARISON WITH OTHER METHODS by Ďureje, Jakub; Prošek, Zdeněk (2017) - Half of cement paste beams were tested according to CSN EN 12390-3 Test of hardened concrete - Part 3: Compressive strength of test samples [9]. Samples were loaded in the laboratory by a hydraulic press. Keywords: analysis; dic; elasticity; modulus; samples; test
• DRYING CHARACTERISTIC OF RAMMED EARTH WITH ILLITIC-KAOLINITIC CLAY CONTENT by Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel (2017) - It was presupposed that amount of used clay in clay mixture has major influence on the speed of drying and a final equilibrium moisture content. And water serves for activation of bonding properties of the clay and for proper processibility of clay mixture Keywords: bodies; clay; drying; mixture; test; water; weight
• THE LOAD-DISPLACEMENT BEHAVIOUR OF GROUND ANCHORS IN FINE GRAINED SOILS by Chalmovský, Juraj; Míča, Lumír (2018) - Development of application based on load-transfer functions Analysis using the finite element method and experi- mental results confirmed that the progressive decrease of skin friction along anchor fixed lengths significantly influences an overall load – displacement behaviour and an ultimate bearing capacity of anchors. Based on regression analysis of anchor loading tests performed mainly in London clay and glacial clay, Barley [3] has proposed an analytical formula for the efficiency factor feff and for the load carrying capacity of low pressure grouted anchors Tult (Eq. 2), where Lfixed is the fixed anchor length, D is the borehole diameter and cu is the undrained soil shear strength. Keywords: anchor; figure; length; load; peak; shear; softening; strain; stress; test
• BOND CONNECTIONS OF HIGH PERFORMANCE CONCRETE (HPC) AND STEEL: "EXPERIMENTAL VERIFICATION OF SELECTION GLUED FOR TWO DIFFERENT SURFACES OF STEEL" by Blažek, Tomáš; Řepka, Jakub; Vlach, Tomáš (2018) - Compressive strength of used HPC was 113 MPa on cubes with edge length 100 mm according to CSN EN 12 390-3 standard. The glued area in contact zone was 60× 50 mm, but the specimens for shear test had two glued area because of required testing symmetry. Keywords: adhesives; concrete; hpc; shear; steel; stress; tensile; test
• DETERMINATION OF DRYING TIME OF THE RAMMED EARTH WALLS by Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel (2018) - It is very important to have the knowledges of unburned earth properties for correct reconstruction of this buildings [3–7]. It is necessary to analyse unburned earth properties in dependence on its composition. Keywords: bodies; content; drying; earth; moisture; test; time
• HIGH TEMPERATURE CYCLIC TEST RIG – A NEW RIG FOR HOT GAS PARTS LIFETIME VALIDATION by Ammer, Wieland; Raddatz, Mario; Gampe, Uwe; Nussbaum, Julien; Ruedel, Uwe; Kellerer, Rudolf (2018) - Qualitative sketch of hot gas temperature and heat transfer coefficient on hot gas side. Dur- ing the course of the test period both hot gas paths are alternately opened and closed to realize thermal cycles. Keywords: components; conditions; design; gas; rig; temperature; test; test rig
• EXPERIMENTAL AND NUMERICAL STUDY OF CONTROLLED FLUTTER TESTING IN A LINEAR TURBINE BLADE CASCADE by Sláma, Václav; Rudas, Bartoloměj; Eret, Petr; Tsymbalyuk, Volodymyr; Ira, Jiří; Macalka, Aleš; Pinelli, Lorenzo; Vanti, Federico; Arnone, Andrea; Lo Balbo, Antonio Alfio (2018) - Blade motion is measured using a pair of non-contacting eddy current displacement sensors Schenck IN-085 as it is shown in Fig. Keywords: Steam turbine, last stage blades, flutter, experiment, test rig, measurement, numerical analysis, CFD, validation, blade cascade. Keywords: aerodynamic; bending; blade; cascade; cfx; fig; flutter; motion; numerical; simulations; test; torsion; traf; work
• THE FATIGUE BEHAVIOUR OF GFRP BARS - EXPERIMENTAL STUDY by Januš, Ondřej; Girgle, František; Rozsypalová, Iva; Kostiha, Vojtěch; Bodnárová, Lenka; Štěpánek, Petr; Prokeš, Jan (2019) - The paper describes an experimental program for studying the fatigue performance of GFRP bars, which has been initiated by the authors. This configuration seems appropriate for determination of fatigue life of GFRP bars. Keywords: bars; concrete; failure; fatigue; p.s.10; reinforcement; samples; test
• ANALYSIS OF THE INFLUENCE OF TRANSDUCER FREQUENCY ON THE ULTRASONIC MEASUREMENT OF CONCRETE HOMOGENEITY by Kocáb, Dalibor; Misák, Petr; Jindrová, Barbora; Alexa, Martin; Vymazal, Tomáš (2019) - Keywords: Ultrasonic pulse velocity test, concrete, concrete homogeneity, transducer frequency. [5] ČSN EN 12504-4 - Testing concrete - Part 4: Determination of ultrasonic pulse velocity. Keywords: concrete; pulse; test; ultrasonic; velocity
• A COMPARISON OF TESTING METHODS FOR DETERMINATION OF SPRAYED CONCRETE TENSILE STRENGTH by Závacký, Martin (2019) - Keywords: Tensile strength, sprayed concrete, modified tensile test, splitting tensile test. A series of splitting tensile tests and modified tensile tests were carried out with Figure 1. Keywords: concrete; strength; tensile; tension; test
• EVALUATION OF INTERNAL COHESION OF MULTIPHASE PLASMA-SPRAYED COATINGS BY CAVITATION TEST: FEASIBILITY STUDY by Mušálek, Radek; Nardozza, Emanuele; Tesař, Tomáš; Medřický, Jan (2020) - Development of suspension plasma sprayed alumina coatings with high enthalpy plasma torch. Coatings microstructure. Keywords: cavitation; coatings; cohesion; erosion; figure; plasma; substrate; surface; test
• LOCAL NANO-MECHANICAL PROPERTIES OF CROSS-LINKED POLYBUTYLENE by Ovsík, Martin; Staněk, Michal; Dočkal, Adam; Fluxa, Petr (2020) - [6] J.-H. Lin, C.-L. Huang, C.-F. Liu, et al. Polypropylene/short glass fibers composites: Effects of coupling agents on mechanical properties, thermal behaviors, and morphology. The creation of 3D network caused an increase in nano-mechanical properties values, such as indentation hardness and indentation modulus, in comparison to the virgin material. Keywords: cross; hardness; indentation; material; nano; pbt; properties; radiation; test
• ELECTRON RADIATION EFFECT ON INDENTATION CREEP OF CONSTRUCTION POLYMERS by Ovsík, Martin; Staněk, Michal; Dočkal, Adam; Fluxa, Petr (2020) - The worst values of indentation creep were found in virgin PA66. Dependence of indentation depth vs. indentation time of tested PA 6. Keywords: creep; gel; indentation; kgy; material; radiation; samples; test
• BENEFITS OF USE OF ACOUSTIC EMISSION IN SCRATCH TESTING by Václavek, Lukáš; Tomáštík, Jan; Chmelíčková, Hana; Čtvrtlík, Radim (2020) - Scratch test is regularly used for assessment of cohesive and adhesive strength of thin films and coatings. In principle, AE method can be beneficially employed for a wide range of materials explored via scratch test. Keywords: emission; film; load; scratch; steel; substrate; test
• WHY MONITOR ACOUSTIC EMISSIONS DURING NANOMECHANICAL TESTS? by Čtvrtlík, Radim; Václavek, Lukáš; Tomáštík, Jan (2020) - It was shown that use of AE and indentation is very effective in exploring mechanical durability and crack- ing resistivity of optical glass surfaces against sharp point contact. The strength of the AE based method is demonstrated for optical thin films deposited on glass tested via scratch test. Keywords: films; glass; indentation; indenter; scratch; surface; test
• EXPERIMENTAL INVESTIGATION OF CRITICAL HEAT FLUX IN ANNULUS AT LOW PRESSURE AND LOW FLOW PARAMETERS by Vlček, Daniel; Suk, Ladislav; Števanka, Kamil; Petrosyan, Taron (2020) - Keywords: Correlations, critical heat flux, flow boiling, heat transfer, nuclear fuel cladding. Surface wettability and pool boiling critical heat flux of accident tolerant fuel cladding-fecral alloys. Keywords: annulus; boiling; chf; flow; flux; heat; inlet; mass; pressure; section; temperature; test; tube
• EVALUATION OF IMPACT OF ELEVATED TEMPERATURES ON YOUNG’S MODULUS OF GLT BEAMS by Kucíková, Lucie; Šejnoha, Michal; Janda, Tomáš; Padevět, Pavel; Marseglia, Guido (2021) - Keywords: Fire test, GLT beam, tensile test, zero strength layer. [GPa] E2 [GPa] B A B A B A 4 14.03 17.57 11.46 9.45 9.41 6.69 5 13.85 - 11.55 - 9.54 - 6 13.18 19.36 11.93 8.44 10.06 5.32 7 13.43 - 11.79 - 9.87 - 8 14.16 19.01 11.38 8.64 9.30 5.59 B - before fire test; A - after fire test Table 1. Keywords: beams; failure; fire; gpa; samples; test; young
• ASSESSMENT OF SHEAR STRENGTH PARAMETERS OF SOIL FROM LOAD MICROPILE TESTS by Vojtasík, Karel (2022) - Keywords: Displacement on load diagram, load test, micropile, Mohr-Coulomb, shear strength, soil. The concrete prismatic cube is necessary to facilitate the installation of a hydraulic press on the lender micropile body and to secure a coaxial transfer of compression load force in the mi- cropile. Keywords: force; load; load test; micropile; shear; test; traction
• Durability of GFRP connectors under sustained compression load for use in sandwich walls by Carstens, Stefan; Pahn, Matthias (2022) - [15] and long-term tension load [16] is known, there is a lack of knowledge about the load- bearing behaviour under compressive load, especially the stability load-bearing behaviour under consider- ation of exposures (humidity, temperature and alka- linity). In the context of this paper, therefore, the results of experimental investigations into the load- bearing behaviour under compressive load with large insulation thicknesses are presented. Keywords: concrete; connectors; facing; figure; insulation; layer; load; test
• Effect of superplasticizer on the strength of fly ash based geopolymer concrete by Dela Cruz, Rhem Leoric Cantos; Roriguez, Leah Monica Alaurin; Tiongco, Emmanuel Josh Yambing; Yulas, Khim Denize Asilo; Ongpeng, Jason Maximino (2022) - Keywords: Alkali activators, color detection, fly ash based geopolymer concrete, MATLAB, poly- carboxylate based superplasticizer, ultrasonic pulse velocity test. A research conducted by [9] presented the different properties of a fly ash based geopolymer concrete and concluded that fly ash based geopolymer concrete has a com- pressive strength that is of high quality and can be used for construction purposes, and that its elasticity is similar to that of OPC concrete, has excellent re- sistance against sulfate and acid, and undergoes min- imal creep and drying shrinkage. Keywords: ash; cement; concrete; fly; geopolymer; gpc; strength; superplasticizer; test; workability
• A new performance test to evaluate the sulfate resistance of concrete by tensile strength measurements by Feldrappe, Volkert; Haufe, Johannes; Ehrenberg, Andreas; Vollpracht, Anya; Matschei, Thomas (2022) - Concrete test specimens acc. A lot of test methods were developed worldwide. Keywords: attack; cement; concrete; days; performance; resistance; storage; strength; sulfate; tensile; test
• Fundamental properties and durability of slope protection spray mortar reinforced with bamboo fibers by Fujiyoshi, Kazuo; Ueda, Takao; Tsukagoshi, Masayuki (2022) - Then, the durabil- ity of bamboo fiber reinforced mortar was tested by spraying on formworks in the actual working spray facilities. The mechanical properties of spray mortar containing bamboo fibers were examined under cyclic wet and dry conditions along with its resistance against freezing and thawing by a spray test. Keywords: ash; bamboo; compressive; fibers; mortar; specimens; spray; strength; test
• Tensile behavior of newly developed undercut anchor in cracked and uncracked concrete by Hatanaka, Tomoyuki; Funaki, Naoki; Tanaka, Reiji; Fujita, Shogo (2022) - Meanwhile, accidents have occurred owing to the age-related degradation of anchors and cracks in the concrete skeleton structure; hence, an anchor that exhibits stable performance even under harsh conditions is necessary for the wide-range and long-term usage of anchors. In total, three types of anchors with different an- chor bar diameters were chosen as the test specimens, and loading tests were conducted on five samples of each type. Keywords: anchor; concrete; figure; load; tensile; test
• Durability evaluation of surface softened steel bar for prestressed concrete by Iwanaga, Kengo; Mizoguchi, Shigeru; Matsumoto, Yu; Takai, Kenichi; Ichiba, Mikiyuki (2022) - Vickers hardness from the surface to the core of IQT-C, IQT-I and IQT-S. 7R� LQFUHDVH� WKH� UHSURGXFLELOLW\� RI� ),3� WHVW� ZKLFK� ZDV� V�ZHUH�FRQGXFWHG�DFFRUGLQJ�WR� PHQW�WHVW�IRU�VWHHO�IRU�SUH� VWUHVVHG�FRQFUHWH�LQ�D�����DPPRQLXP�WKLRF\DQDWH�VROXWLRQ´� �-6&(� 6� ������ HVWDEOLVKHG� LQ� ����� E\� -DSDQ� 6RFLHW\� RI� +RW�ZDWHU� $SSOLHG�VWUHVV � ı%�������࣭���� � ����1�PP�� 6SHFLPHQ� ���1+�6&1�VROXWLRQ Figure 3. 5HVXOWV� RI� H[WHUQDO� )LJXUH� ����5HVXOWV� RI� H[WHUQDO� ,47�6,47�&㻌 Figure 12. Keywords: figure; fracture; iqt; ljxuh �; steel; surface; test; � 7kh; � d; � iru; � ri; � wkh; � zhuh; � 䡚; � �
• Optimizing the acid resistance of concrete with granulated blast-furnace slag by Kempf, Luca-Alexander; Breitenbücher, Rolf; Gerten, Christian; Ehrenberg, Andreas (2022) - Furthermore, the chemical composition of the blast-furnace slag as well as the water-binder ratio are decisive influencing factors for the acid-resistance, which was confirmed in accelerated acid resistance tests on concretes (pH-stat method). Acid resistance test setup The acid resistance of the concretes was tested in an acid test rig, which is based on the pH-Stat method according to the MPA-Berlin-Brandenburg testing Figure 3. Keywords: acid; binder; blast; concrete; figure; resistance; test
• A revival in façades: Textile reinforced concrete panels are light, safe and aesthetically pleasing by Roik, Matthias; Tietze, Matthias; Kahnt, Alexander (2022) - Keywords: Building innovation, carbon reinforced concrete façades, fixings, new materials, textile reinforced concrete. Storey-high façade element with new fix- ing system for carbon reinforced concrete. Keywords: carbon; concrete; construction; façade; figure; load; panels; reinforcement; test; textile
• Determination of in-situ concrete compressive strength under consideration of rearrangement effects by Sefrin, Rabea Anna; Glock, Christian (2022) - First tests concerning the determination of rear- rangement effects on structural members with large scattering of concrete compressive strength were car- ried out by [12]. The percentage rearrange- ment effect was determined by relating the con- crete compressive strength of the prism-shaped test specimens made of different concretes to the mean value of concrete compressive strength of the ref- erence specimens ((fcm, c1 + fcm, c2 + fcm, c1)/3) or 530 vol. Keywords: compressive; concrete; figure; specimens; strength; test; variation
• Influence of steel fibers on the fatigue behavior of high-performance concretes under cyclic loading by Ov, David; Breitenbücher, Rolf (2022) - Keywords: Cyclic loading, degradation, fatigue behavior, high strength concrete, steel fibers. In general, the overall test series described in the literature are limited to the fatigue behavior of normal steel fiber reinforced concrete under cyclic stress up to about N = 106 load cycles. Keywords: concrete; cycles; fatigue; fiber; load; steel; test
• Forced carbonation of recycled concrete aggregates by Pfleger, Marc-Patrick; Vill, Markus (2022) - Sample concrete aggregates All experiments carried out with crushed concrete ag- gregates were done by using the same concrete mix- ture to achieve ideal comparability. Experimental setup and methods The test setup was designed to investigate forced carbonation of recycled concrete aggregates, which means that no correlation with natural carbonation could be expected. Keywords: aggregates; carbonation; cement; co2; concrete; grain; material; sample; test
• Methylene blue test and adsorption capacity of clays by Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel (2022) - Big number of events organized on the topic of unfired clay are a proof of the interest in this building material. There are also a number of companies whose field of interest is unfired clay [7–9]. Keywords: adsorption; blue; capacity; clay; earth; methylene; test
• Adhesion test – testing of selected adhesives on fired clay by Richterová, Kristýna; Heinrich, Pavel; Bílý, Petr (2022) - The following paper deals with the comparison of adhesion of specimens made of fired clay and selected adhesives. Selected adhesives were applied to ceramic plates according to the usual standards. Keywords: adhesion; adhesive; clay; samples; stress; tensile; test
• Finite element simulation of shear and compact tension tests on timber by Šmídová, Eliška; Kabele, Petr (2022) - ASTM shear test simulation result at (A- C) ∆x,DIC = 0.3 mm and (D) ∆x,DIC = 0.16 mm for intermediate parameters from Table 2 and δm,crit = 0.055 mm: (A) crack parallel to the grain (red) and non-linear deformation zone (green) developed under compression and shear stress states, (B) normal strain εxx, (C) shear strain γxy, and (D) shear stress τxy. It was shown in shear test simulation that the value of the parameter fASTMxy , obtained from fASTMxy = Fmax A , represents the averaged stress at the failure plane, while the extreme stress locally experienced by the material is much higher. Keywords: crack; failure; figure; grain; load; mpa; pre; shear; stress; test
• Hygric performance of new building components for vertical green gardens by Kopecký, Pavel; Kopecký, Pavel (2022) - Test samples differ in shape, arrangement of functional layers, water distribution means and irrigation patterns. The distribution of water along the top edge of test samples was therefore redesigned during spring 2021. Keywords: figure; green; plants; samples; substrate; surface; temperature; test; water
• Maximizing information obtained from standardized fire tests using a Bayesian framework by Jovanović, Balša; Van Coile, Ruben; Reynders, Edwin; Lombaert, Geert; Caspeele, Robby (2022) - https://doi.org/10.1002/suco.202000774. 89 https://doi.org/10.1016/j.firesaf.2020.103188 https://doi.org/10.1016/j.ijheatmasstransfer.2004.02.028 https://doi.org/10.1016/j.ijheatmasstransfer.2004.02.028 https://doi.org/10.2514/1.46513 https://doi.org/10.1007/s10694-011-0250-9 https://doi.org/10.14264/363ff91 https://doi.org/10.1007/s10694-020-01005-w https://doi.org/10.1016/j.firesaf.2020.103242 https://doi.org/10.1002/suco.202000774 Acta Polytechnica CTU Proceedings 36:84–89, 2022 1 Introduction 2 Methodology 2.1 Overview 2.2 Thermal calculation 2.3 Bending capacity and failure time 2.4 Updating of uncertain parameters based on standardized fire test 2.5 Natural fire exposure 3 Results and discussion 4 Conclusions Acknowledgements References Finally, the failure probability is calculated for different values of test failure times and compared. Keywords: concrete; failure; fire; heat; probability; slab; temperature; test; time
• Statistical characterisation of reinforcement properties for textile-reinforced concrete: a novel approach by Ricker, Marcus; Rempel, Sergej; Feiri, Tânia; Schulze-Ardey, Jan; Hegger, Josef (2022) - Ultimate tensile strength of the textiles depending on fibre strand length. The test aims to statistically characterise two material properties needed in design: ultimate tensile strength and the modulus of elasticity. Keywords: concrete; design; distribution; fibre; length; reinforcement; strands; strength; tensile; tensile strength; test; textile; value
• Degradation of Cr-coated cladding under the simulated Loss-of-Coolant Accident phenomena by Červenka, Petr; Krejčí, Jakub; Cvrček, Ladislav; Manoch, František; Chalupová, Adéla; Halodová, Patricie; Gávelová, Petra (2022) - Cr coatings might signifi- cantly increase the fuel coping time by prolonging the oxidation time, which would lead to severe cladding embrittlement or even failure. 37/2022 Degradation of Cr-coated cladding under the LOCA phenomena Figure 1. Keywords: burst; cladding; coating; figure; hydrogen; oxidation; oxygen; test
• Dynamic tests of the culvert face within crashtests by Nouzovský, Luboš; Kohout, Tomáš; Vrtal, Pavel; Nováček, Jakub (2022) - Keywords: Drainage ditch, vehicle crash, occupant safety, deformation block, crash test, acceleration. Test No. 002 of drainage ditch of classical construction – acceleration time course. 3.2. Keywords: criterion; deformation; ditch; drainage; drainage ditch; head; impact; test; vehicle
• Comparison of behaviour of burnt beams models with effective and actual residual cross-sections in three point bending test by Keřková Kucíková, Lucie; Šejnoha, Michal; Janda, Tomáš; Padevět, Pavel (2023) - Effective cross-section. Comparison of burnt beams models in three point bending (a). Keywords: beam; cross; fire; ortho; section; test
• Effect of electric current on porosity of concrete by Ňachaj, Daniel; Němeček, Jiří; Kouřil, Milan; Keppert, Martin; Němeček, Jiří (2023) - The paper describes the influence of electric current on the porosity of concrete samples after electrically accelerated tests and other electrokinetic treatments. Mercury Intrusion Porosimetry Several methods are generally used to measure the porous structure of concrete, such as the optical meth- ods, mercury intrusion porosimetry (MIP), gas absorp- tion, proton nuclear magnetic resonance (1H-NMR), Data logger 20 V Power supply + - Stainless steel cathode 0.3 M NaOH reservoir Stainless steel anode 0.3 M NaOH reservoir Concrete sample 50 mm long, 100 mm diameter Insulator A Figure 1. Keywords: analysis; cement; concrete; current; mip; pores; porosity; results; samples; test
• The influence of lithium water glass on the durability of concrete by Vašířová, Klára; Fládr, Josef (2023) - For the purpose of the experiment, three series of test specimens were made from hardened cement paste. After their hardening and treatment, the series of test specimens was divided into six reference speci- mens and six impregnated specimens. Keywords: impregnation; surface; test; test specimens; water
• Protection of soft targets - verification of the effectiveness of the anti-terrorist barrier by Nouzovský, Luboš; Svatý, Zdeněk; Hála, Petr (2023) - impact test, on the analysis in the simulation environ- ment and on data from the literature. A comparative method was used to evaluate the consequences and severity of possible injuries, where data on similar impact tests and their evaluation were obtained from the literature. Keywords: barrier; car; figure; impact; injury; protection; security; targets; test; vehicle
• Effect of aging on mechanical properties of 3D printed samples using stereolitography by Drechslerová, Veronika; Falta, Jan; Fíla, Tomáš; Dvo˚řák, Radim; Kytýř, Daniel (2023) - To streamline the work, semi-automatic scripts were created and subsequently used to calculate the basic mechanical properties from quasi-static tensile loading and con- struct the stress-strain diagrams. These specimens were subjected to 3 loading tests: quasi-static tensile loading, quasi- static compressive loading, dynamic compressive load- ing. Keywords: aging; compressive; loading; properties; quasi; samples; tensile; test
• Volume changes measurement of elastomers using 3D DIC by Kotlánová, Barbora; Rusnáková, Soňa; Ogunleye, Raphael Olabanji; Javořík, Jakub (2023) - The measurement results reveal that the stereo DIC method provides relatively less scattered data in the low-strain regions for dumbbell-shaped test specimens and is suitable for measuring various test specimen shapes. Volume change measurements using 2D DIC system. Keywords: dic; modulus; poisson; ratio; strain; test; volume
• Dynamic tests of the protective and security barrier system probar by Vrtal, Pavel; Kohout, Tomáš; Nouzovský, Luboš; Svatý, Zdeněk (2023) - In 2005, it became the first British Standard to assess the specification of impact tests and these findings are now incorporated in the Euro- pean Standard EN 1317-1:2010. Assesing criteria During impact tests, several criteria used for evaluat- ing the safety of barriers according to the standard ČSN EN 1317 and also by PAS 68:2013 were assessed. Keywords: barrier; crash; criterion; head; impact; steel; test; vehicle
• Simulation of the compression test of the Zr1Nb fuel cladding ring by Smolík , Vojtěch; Endrychová, Alžběta; Krejčí, Jakub (2023) - Ring compression test is an important experimental technique used in materials science to evaluate the mechanical properties of various materials, including cladding alloys. Fuel cladding is a first protective barrier against the loss of fission products that must withstand extreme conditions, from normal operation to final and interim dry storage. Keywords: cladding; fuel; numerical; properties; sample; stress; test
• Quality improvement by application of a revised standard – feasibility studies on 2500 soundings by Garin, Håkan; Franzén, Gunilla (2023) - It compares the zero-shift variation depending on the type of cone penetrometer, the operator, and the geology. New tables in EN ISO 22476-9 – Classification of cone penetrometers under laboratory conditions. Keywords: cone; cpt; penetrometer; test

• Influence of laser beam welding parameters on local mechanical properties of duplex stainless steel joints by Kovačócy, Pavel; Martinkovič, Maroš; Šimeková, Beáta; Hnilica, Martin; Kovaříková, Ingrid; Macháček, Jiří; Krbaťa, Michal (2024) - Other ways that affect the ferrite/austenite ratio at laser beam welding are using of nitrogen as shielding gas and using of laser reheating. Effect of laser beam welding on the microstructure of duplex stainless steels. Keywords: beam; dss; laser; properties; shear; strength; welding
• Production of steel-concrete composite columns for blast tests by Čítek, Adam; Hurtig, Karel; Kryštov, Martin; Šulc, Vojtěch; Foglar, Marek; Čítek, David (2025) - Material properties As previously stated, a key objective of this part of the experimental program was to compare the performance of only steel columns with NSC-filled and UHPFRC-filled columns. 53/2025 Production of steel-concrete composite columns for blast tests Material Flow Bulk Average speed of UZ signal [km s−1] Modulus of temperature test density beam cylinder elasticity cylinder Keywords: blast; concrete; specimens; steel; strength; uhpfrc
• Bonding of timber and high-performance concrete by Vlach, Tomáš; Vanheeswijck, Nick; Macháček, Jan; Kafková, Eliška; Kabíčková, Věra; Hájek, Jakub (2025) - Keywords: High-performance concrete, timber concrete bonding, timber concrete contact, push-of test. The findings highlight the potential of timber-concrete composite systems high-performance concrete to achieve high shear strength and structural integrity through optimized adhesive and rib configurations. Keywords: adhesive; composite; concrete; performance; ribs; shear; strength; timber
• Fire resistance of high-performance concrete reinforced with selected fibers by Kabíčková, Věra; Hájek, Jakub; Macháček, Jan; Kafková, Eliška; Vlach, Tomáš (2025) - The reason is in fibers’ behavior during elevated temperatures; flax fibers only shrink and do not melt at temperatures below 300 °C, meanwhile PP fibers first expand, creating microcracks, and then begin to melt at temperatures around 170 °C. Long flax roving was cut into fibers of a length of approximately 12 mm for better com- parison with PP fibers. Keywords: concrete; fibers; fire; samples; strength
• Interface shear strength evaluation between different concrete types by Kafková, Eliška; Macháček, Jan; Kabíčková, Věra; Vlach, Tomáš (2025) - A critical property for ensuring effective composite action between concrete materials of different ages or types is shear strength, which must be sufficient to prevent excessive slippage or complete separation. Keywords: Shear strength, Recycled Aggregate Concrete (RAC), High-performance Concrete (HPC). Keywords: concrete; hpc; interface; mpa; shear; strength
• Mechanical properties of cement composites with plasma-treated waste glass aggregate by Palička, Aleš; Prošek, Zdeněk; Tesárek, Pavel; Babčenko, Oleg (2025) - As shown in Table 1, the samples were prepared by precisely weighing the raw materials, including water, cement, and waste glass powder, according to the specified proportions and treatment type. Plasma surface treatment of glass improves adhesion between glass and coatings or ad- hesives, thereby increasing the wettability of the glass surface [9]. Keywords: cement; glass; plasma; properties; samples; strength; treatment; waste
• ADHESION OF BIOCOMPATIBLE TiNb COATING by Kolegar, Tomas; Matousek, Martin; Vilemova, Monika; Stary, Vladimir (2017) - Further experiments will involve changing parameters of the surface roughness, combination of epoxy adhesion and film adhesion. The paper deals with the adhesion of biocompatible TiNb coating with different base materials. Keywords: adhesion; coating; mpa; strength; titanium
• PLASMA TREATMENT IMPACT ON PHYSICAL AND CHEMICAL PROPERTIES OF POLYMERIC FIBERS by Hlůžek, Radim; Prošek, Zdeněk; Trejbal, Jan; Fládr, Josef; Potocký, Štepán (2017) - Tensile strength tests Tensile strength (more precisely load carrying capac- ity) of reference and plasma treated fibers was ap- proximately constant for all plasma treatment times (measured on reference, 10, 60 and 120 seconds treated fibers). An industrial water flush- able sizing is standardly applied onto fiber surfaces as an integral part of their production. Keywords: fibers; plasma; strength; tensile; treatment; weight
• SOLID BURNT BRICKS’ TENSILE STRENGTH by Maroušková, Aneta; Kubát, Jan (2017) - The expected tensile of bricks strength was approx. The obtained working diagrams will be further use for a detailed numerical analysis of whole brick masonry column under concentric compressive load. Keywords: mortar; specimens; strength; tensile
• COMPARISON OF FAILURE CRITERIA FOR WOOD IN TENSILE-SHEAR STRESS STATE by Šmídová, Eliška; Kabele, Petr (2017) - Keywords: Orthotropic failure criterion, timber, off-axis tensile test, shear strength upper bound. The off-axis tensile test has been involved in numerous studies, especially in those related to the complex problem of determining shear strength of wood [6–10] or the applicability of failure criteria for a specific wood species [11, 12]. Keywords: axis; failure; shear; strength; tsai
• METHODOLOGY FOR MEASURING THE SHEAR STRESS OF PLASTERBOARDS by Zobal, Ondřej; Jára, Robert; Hataj, Martin (2017) - Keywords: Plasterboard, shear strength perpendicular to the plane of the board, EN 789, ASTM D5379. Essential requirements include the declared tensile strength in bending and sag, shear strength, compres- sive strength, hardness and minimum required values of modulus of elasticity for individual stresses [1–5]. Keywords: board; perpendicular; plane; shear; strength
• CEMENT MATRIX CONTAINING MICRONIZED RECYCLED CONCRETE AND THE INFLUENCE OF ADDITIVES by Ďureje, Jakub; Prošek, Zdeněk; Hrůza, Jaromír; Tesárek, Pavel (2018) - The blocks contains recycled concrete which replacing 40% cement. Keywords: Recycled concrete, micro-milled concrete, influence of additives, resonance method, dynamic modulus of elasticity, dynamic shear modulus. Keywords: cement; concrete; days; elasticity; modulus; samples; strength
• DURABILITY OF CONCRETE WITH BINDER BASED ON SULFOCALCIC FLY ASH by Šulc, Rostislav; Krása, Matouš; Formáček, Petr (2019) - Deicer salt scaling resistance of high strength concretes made with different cements, p. 185–199. High air content of the series no. 12 resulted in greater waste generation. Keywords: air; ash; chemical; concrete; content; cycles; fly; resistance; series; strength; substances; thaw
• LONG-TIME INVESTIGATION OF CEMENT PASTES WITH MICRONIZED OLD CONCRETE, INFLUENCE OF DIFFERENT TYPE OF MIXING APPROACH ON MECHANICAL PROPERTIES by Prošek, Zdeněk; Tesárek, Pavel (2020) - Results of the work are in agreement with the statement of several authors, because the size of ITZ zone depends on the approach of mixing not only in recycled coarse aggregate but also in micronized recycled old concrete. Based on the results, it can be concluded that: • approach of mixing fresh mixtures had influence on mechanical properties of resulting cement compos- ites by reducing of ITZ, • the greatest effect of type of mixing approach can be seen in the sample where water and micronized old recycled concrete were mixed in the first step and in the second step, the cement was added, • the mixing speed has a positive effect on the re- sulting compressive strength, the change of mixing speed from 132 rpm to 421 rpm resulted in an in- crease of compressive strength of 5 MPa, • there is an increase of compressive strength due to hydration of C2S contained in Portland clinker of reference cement and in non-hydrated clinker of micronized recycled old concrete. Keywords: cement; compressive; concrete; days; mixing; modulus; samples; strength
• MECHANICAL AND CHEMICAL ACTIVATION OF BLAST FURNACE SLAG AND ITS INFLUENCE ON THE MECHANICAL PROPERTIES OF THE RESULTING CEMENT PASTE by Horych, Jan; Tesárek, Pavel; Prošek, Zdeněk (2021) - Keywords: Activation, blast furnace slag, cement replacement, slaked lime, water-glass. [1] focused on chemical activation of blast furnace slag by adding calcium hydroxide and soluble calcium salts such as calcium chloride, calcium bromide, calcium nitrate, calcium formate and calcium acetate. Keywords: blast; cement; furnace; modulus; samples; slag; strength
• REMEDIATION OF A RAILWAY EMBANKMENT USING GEOCELLS AND DEEP SOIL MIXING - A NUMERICAL ANALYSIS by Štefaňák, Jan; Vašina, Josef (2022) - Construction of DSM columns at the Žďár nad Sázavou building site List of symbols hpr Freezing depth [m] Ecol Modulus of elasticity of DSM column [MPa] Esoil Modulus of elasticity of soil Interfacial friction properties of geocell reinforced soil. Keywords: dsm; embankment; geocell; material; modulus; railway; remediation; soil; strength; stress; wall
• Benefits of pervious concrete for urbanized habitats by Giunti, Giuseppe; Miczek, Daniel (2022) - Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague BENEFITS OF PERVIOUS CONCRETE FOR URBANIZED HABITATS Giuseppe Giunti∗, Daniel Miczek ZAPA beton a. s., Vídeňská 495, 142 00 Pervious concrete allows to drain off up to 95 % of precipitation, which represents a significant contribution to ecology and sustainability. Keywords: concrete; dmax; strength; surface; use; water
• Strength and durability characteristics of self compacting concrete (SCC) with recycled aggregate and manufactured sand by Chundupalle, Sashidhar; Seeri, Nirmala; Veera, Sudarsana Reddy; Nelluri, Venkata Ramana (2022) - Further, it can also be noted that the compressive strength of 100% NCA is maximum and the compressive strength decreases with increasing recycled coarse aggregate at both 7 and 28 days. The utilization of recycled coarse aggregate of 0 to 40% proportions (with a step increment by 10%) in SCC as a substitute for the natural coarse aggre- gate showed relatively decreased mechanical strength as compared to those made with natural aggregate Keywords: aggregate; coarse; concrete; sand; scc; strength
• Contribution of fly ash to mortar strength development under steam and internal curing by Insako, Ryo; Miyoshi, Yuki; Huynh, Phat Tan; Ogawa, Yuko; Kawai, Kenji (2022) - In addition, the pozzolanic reaction of fly ash was evaluated from the viewpoint of calcium hydroxide consumption by using thermogravimetry and differential thermal analysis as well as the degree of fly ash reaction by using selective dissolution method. Also, a linear relationship between the degree of fly ash reaction and the k-value was shown regardless of the age and the replacement ratio of fly ash. Keywords: ash; curing; fly; reaction; roof; steam; strength
• Stability of concrete containing blast-furnace slag following exposure to cyclic elevated temperature by Iravani, Ahmad; Feldrappe, Volkert; Ehrenberg, Andreas; Anders, Steffen (2022) - Residual compressive strength Generally, residual compressive strength depends on the maximum temperature during heating. An- other approach is a possible re-hydration tendency of CEM III/A due to the blast-furnace slag and mois- ture uptake in the air between temperature cycles. Keywords: cem; cement; concrete; cycles; strength; temperature
• A study on properties of concrete with dry fly ash and fly ash slurry stored with stirring by Ji, Xiangnan; Takasu, Koji; Koyamada, Hidehiro; Suyama, Hiroki (2022) - A ash, B ash, C ash, 20in slump. A, B, C ash 20in compressive strength. for each. Keywords: ash; compressive; concrete; strength; − −
• Lower bound analysis for shear assessment of full-scale RC girders subjected to axial tension by Kanazawa, Takeru (2022) - V − Vc − Fd − Fw − b ! Design code provisions and analytical models such as Modified Compres- sion Field Theory (MCFT) yield reasonable estimates of shear strength of RC beams subjected to axial tension. Keywords: analysis; figure; reinforcement; shear; strength; tension
• Influence on permeability and pore structure of polyolefin fiber reinforced concrete containing slag by Lin, Wei-Ting; Cheng, An; Korniejenko, Kinga; Łach, Michał (2022) - Compressive strength development curves of polyolefin fiber concrete without slag. Compressive strength Figures 1 and 2 presents the compressive strength of polyolefin fiber concrete made with and without slag at the age of 7, 28, 56 and 91 days, respec- tively. Keywords: absorption; compressive; concrete; fiber; polyolefin; pore; slag; specimens; strength
• Correlation of porosity and properties of recycled fine aggregate concrete with fly ash by Lin, Hangwei; Takasu, Koji; Koyamada, Hidehiro; Suyama, Hiroki (2022) - Correlation graph of compressive strength and cumulative pore volume might be predicted with given W/B, days and FA of the concrete or none given and drying shrinkage might be predicted with given FA. Figure 5 showed the influence of recycled aggregate replace- ment ratio on cumulative pore volume with water to binder ratio 0.55. Keywords: concrete; pore; shrinkage; strength; volume
• High-performance concrete containing waste vitrified tiles by Mariaková, Diana; Fořtová, Kristina; Jirkalová, Zuzana; Pavlů, Tereza; Hájek, Petr (2022) - The pozzolanic properties of used waste material can have a positive effect on the resulting strength of concrete samples. Replacing of primary raw materials needed to create concrete mixtures is convenient because of saving the primary sources and the energy resources required to obtain these raw ma- terials. Keywords: compressive; concrete; results; samples; strength; tiles; waste
• Lateral load bearing characteristics of light gauge steel and lightweight concrete shear walls by Quan, Chunri; Huang, Qiang; Li, Dongbin; Chen, Yong (2022) - An experimental report of light gauge steel and lightweight concrete shear walls Beijing, 2015. It can be considered that the flexural failure characteristics of shear wall gradually dominates with the increase of the shear span ratio. 4.1. Keywords: concrete; lslc; ratio; shear; specimen; steel; strength; wall
• An experimental study of reinforced concrete beamcolumn joint with partially high strengthened longitudinal bar by Murata, Yoshiyuki; Kitayama, Kazuhiro; Kishida, Shinji; Murakami, Ken (2022) - Story shear-story drift angle relations. $��� $�� $�� $��� $�� %��� 0$��0$�� &RQYHQWLRQDO� PHWKRG� &RQYHQWLRQDO PHWKRG %�� Figure 7. Crack pattern. � ����� ����� ���� ���� ���� ���� ���� ���� ����� ����� ���� ���� ���� ���� 8SSHU�QXPHULFDO�YDOXH���&ROXPQ�%HDP�IOH[XUDO�VWUHQJWK�UDWLR��%RWWRP�QXPHULFDO�YDOXH���-RLQW�VKHDU�FDSDFLW\�PDUJLQ� ( ) � � � �� b c b c j j j j ! Keywords: beam; column; joint; longitudinal; rebar; strength; � �
• Interfacial bond behavior of adhesively-bonded timber/cast in situ concrete (wet bond process) by Nemati Giv, Ali; Fu, Qiuni; Yan, Libo; Kasal, Bohumil (2022) - The change of failure mode was observed from concrete failure in dry bond to debonding at interface in wet bond which was an ev- idence in reduction of wet bond shear strength. Fracture surfaces of failed specimens were analysed to investigate possible correlation with shear bond strength. Keywords: adhesive; bond; cast; concrete; shear; strength; timber; wet; wood
• Prestressed ultra-high performance concrete (UHPC) beams for reusable structural systems: design and testing by Redaelli, Dario; Moix, Jonathan; Muresan, Alex; Brütting, Jan; Fivet, Corentin (2022) - Experimental campaign on pre-stressed UHPC beams with or without web openings To acquire a better knowledge on the influence of web openings on the behavior of the studied system and to provide basic information for further analyt- ical and numerical modeling, an experimental cam- paign on prestressed UHPC beams with and without web openings was carried out. Geometric and mechanical properties of UHPC beams. Keywords: beams; design; figure; openings; shear; strength; system; table; uhpc
• Unique and innovative technology for sustainable and efficient structural concrete made of 100% recycled aggregate from CDW by Slánský, Bohuslav; Zelinka, Pavel; Čermák, Jan (2022) - �� � )LJXUH����3LFWXUHV�IURP�ERQG�VWUHQJWK�WHVW��Figure 2. This confirmed the high potential of RA concrete for commercial use on construction and development projects. Keywords: aggregate; concrete; production; results; strength; � �
• Improvement mechanism of recycled concrete using C-S-H type accelerator and modifying recycled aggregate by carbonation technology by Shibuya, Akari; Matsuda, Nobuhiro; Iyoda, Takeshi (2022) - Therefore, it was considered that the splitting tensile strength increased because the strength of the aggregate itself increased due to car- bonation, but the compressive strength of the aggre- 536 vol. 33/2022 CDW Structural Concrete �� �� �� �� �� �� �� �� & RP SU HV VL YH �VW UH QJ WK � �1 �P P � � 3RURVLW\���� 5 5;� 5;�� 5;: 5;6 5& ��� ��� ��� ��� � �� �� �� 6S OLW WLQ J� WH QV LOH �VW UH QJ WK � �1 �P P � � �� 3RURVLW\���� 5 5;� 5;�� 5;: 5;6 5& Figure 9. Physical Properties of Coarse Aggregate. 5;:� � � � � � � � � � � � 5;6� Figure 1. Keywords: aggregate; air; concrete; permeability; strength; � �
• Glued timber concrete composite walls using ultra-high-performance concrete by Oberndorfer, Thomas; Hunger, Frank; Fischer, Oliver (2022) - Keywords: Adhesive bond, cross laminated timber, timber concrete composite, ultra-high- performance concrete. [5]. 5. Conclusions The completed test program showed that it is pos- sible to bond timber to UHPC using standard glues for CLT production regarding short-term behaviour. Keywords: clt; composite; concrete; experiments; figure; shear; strength; timber; uhpc; wall
• Sulphate corrosion of cement pastes with a high content of waste marble powder by Prošek, Zdeněk; Tesárek, Pavel (2022) - Micronized marble powder is used as a substitute for Portland cement CEM I 42.5R. The amount of micronized marble powder used is from 5 to 50 wt. %. Keywords: cement; corrosion; marble; powder; samples; strength; sulphate; waste
• Evaluation of deformation and strength parameters of organic soils for the design of geotechnical structures by Lechowicz, Zbigniew; Goławska, Katarzyna (2023) - Organic soils formed during the Eemian Inter- glacial of the Pleistocene Period reveal slightly better index properties, and higher stiffness and strength than Holocene organic soils. In recent practice, among pos- sible in situ tests, the SDMT seismic dilatometer test is increasingly used also for heavily preconsolidated cohesive soils and organic soils. Keywords: dilatometer; holocene; modulus; organic; shear; soils; strength; tests
• Cementitious material development for additive fabrication by Čítek, David; Hurtig, Karel; Bureš, Vladislav; Koteš, Peter (2024) - As seen on Figure 1, the surface of printed material was not optimal. Printed layers of cement based material. Keywords: accelerator; figure; material; mixture; printing; setting; strength
• Utilization of high fly ash dosage to reduce cement consumption in concrete formulations by Davidová, Vendula; David, Tomáš; Reiterman, Pavel (2024) - The mixture with high fly ash dosage was not aerated using this admixture, as the resulting air content of the concrete was 2.6 %. The mixture EX1 with high fly ash dosage already achieved comparable properties to the reference mix- ture in the long term (28 days). Keywords: air; ash; cement; concrete; content; fly; mixture; strength
• The use of concrete slurry waste to improve the properties of the stabilised soil by Davidová, Vendula; David, Tomáš; Mondschein, Petr; Reiterman, Pavel (2024) - Organic content 0.2 % Liquid limit 37.6 % Plastic limit 19.8 % Optimum moisture content (modified compaction according to ČSN EN 13286-2 [10] 13.0 % Maximum dry density 1 930 kg m−3 Table 1. specific soil properties. Conslusion The purpose of this research was to compare the prop- erties of clay soil stabilized with ordinary cement and waste material from fresh concrete production (CSW). Keywords: cement; csw; mixtures; properties; soil; strength; water
• Parameters of back filling material prepared from mine tailing, fly ash, and mine water by Dvořák, Karel; Jančíková, Andrea (2024) - The article investigates the influence of mine tailing, fly ash, and mine water on strength parameters as mine paste filling material performing the strength tests on different recipes of mortar mixes with individual types of fillers and wastewater from extraction of mine tailings. This work was devoted to the study of the basic mechanical properties and the effect of different mine waters used for the preparation of tailings backfill mixtures with binder in the form of fluidized fly ash activated by grinding [8–14]. Keywords: ash; backfill; binder; days; fly; strength; table; tailings; water
• Possibilities of replacing natural sand in concrete by Fořtová, Kristina; Pavlů, Tereza; Mariaková, Diana; Řepka, Jakub; Vlach, Tomáš (2024) - Fine recycled aggregate 0–4mm for complete replacement 3.2 Fine recycled aggregate concrete mixtures 4 Replacement of individual fine-grained components of HPC 4.1 Fine recycled aggregate 0–1mm for replacement of individual components of HPC 4.2 Fine recycled aggregate HPC mixtures 5 Results and discussion 6 Complete replacement of fNA in conventional concrete mixtures 6.1 Physical properties 6.2 Mechanical properties 7 Replacement of individual fine-grained components of HPC 7.1 Physical properties 7.2 Mechanical properties 8 Conclusions Acknowledgements References The mixtures are marked according to the type of aggregate used (natural aggregate concrete – NAC, fine recycled concrete aggregate concrete – fRCAC, or fine recycled masonry aggregate concrete – fRMAC). Keywords: aggregate; concrete; fine; hpc; mixtures; properties; strength
• Processing and recycling of aggregate residues after ore extraction for stabilization of mined areas by Jančíková, Andrea; Dvořák, Karel; Ravaszová, Simona (2024) - It also addresses the issue of treatments effects on mine tailings, fly ash and acid mine water on the measured parameters of concrete with load-bearing and backfilling paste with non-load-bearing function. Keywords: Mined residues, mine tailings, mechanical properties, filling and static requirements. Keywords: aggregate; function; mpa; m−3; strength; water; čsn
• Production of concrete pavements using mixed cements by Klobása, Jan; Hela, Rudolf (2024) - As the requirement to eliminate the volume of CO2, the largest producers of emissions of which are industries, is currently being increased, cement production in particular is energetically demanding, for this reason possibilities are being sought to reduce the amount of cement required without negatively affecting the properties of the proposed concrete structure. The main goal will be to assess the applicability of mixed cements for the production of cement-concrete covers due to the reduction of environmental impacts on our environment while achieving the required dura- bility, especially the XF4 environment. Keywords: air; cement; concrete; content; frost; production; strength
• Possibilities of reinforcement of subtle translucent concrete panel by Kabíčková, Věra; Hájek, Jakub; Vlach, Tomáš; Řepka, Jakub (2024) - Number of cracks after four-point bending test: translucent TRC sample (left), opaque TRC sample (right). Scheme of translucent sample. Keywords: concrete; mpa; roving; samples; strength

• Nanomechanical properties of neutron-irradiated concrete by Libera, Ondřej; Němeček, Jiří; Halodová, Patricie; Hlaváč, Zbyněk; Němeček, Jiří (2024) - Although it was previously assumed that the ef- fects of neutrons on cement paste would be small or negligible [13, 14], recent research suggests that degra- dation of cement paste components due to neutron interaction also needs to be considered. Comparison of measured reduced modulus (Er) and hardness (Hit) between identified phases in cement paste area of the neutron irradiated concrete. Keywords: cement; concrete; figure; irradiation; nanoindentation; neutron; paste; phase; properties
• Micromechanical characterization of γ-irradiated cement paste exposed to different relative humidity conditions by Němeček, Jiří; Procházka, Lukáš; Halodová, Patricie; Němeček, Jiří (2024) - An increase in Young’s modulus by 9.3% was observed for irradiated samples at low RH (11%). The effect is even more pronounced in irradiated samples, where water radiolysis likely removes water from the interlayer space, further enhancing the densification and compaction effect. Keywords: cement; concrete; gamma; irradiation; modulus; properties; samples; young
• Optimization of FIB milling procedure for micromechanical testing of cement pastes by Procházka, Jan; Němeček, Jiří; Halodová, Patricie; Němeček, Jiří (2024) - 5-degree-of-freedom stage allows sample position- ing with adjustable tilt around axis perpendicullar to both electon and ion beams and (actual) rotation around axis perpendicullar to the sample surface. Effect of ion beam The FIB, as well as the electron beam or laser beam, is assumed to be elliptical in the plane perpendicular to the beam with a Gaussian-type power profile. Keywords: beam; cement; current; electron; fib; figure; ion; micro; sample
• Carbonizable calcium silicates by CO2 atmosphere in a pressure chamber by Jančíková, Andrea; Křištof, Michal; Dvořák, Karel (2025) - A review of mineral carbonation technologies to sequester CO2. 3. Results and discussion To compare the different powder materials, natural mined wollastonite was added to the laboratory cre- ated belite, wollastonite and rankinite samples pre- pared according to previous chapter material and methods. Keywords: analysis; belite; carbonation; cement; co2; rankinite; results; samples; wollastonite; xrd
• Micro-scale properties of cement pastes exposed to gamma radiation by Němeček, Jiří; Špaková, Andrea; Němeček, Jiří; Halodová, Patricie (2025) - Sam- ples stored at low RH (11 %) showed a 9.5 % increase in E compared to non-irradiated samples and a 19.9 % increase compared to irradiated samples stored at medium RH levels. SEM and image analysis For the analysis of sample phase composition, SEM images were segmented into five primary phases: resid- ual clinker, Portlandite, inner product, outer product, and cracks/pores, using pixel color thresholding. Keywords: cement; concrete; gamma; irradiation; nanoindentation; properties; samples; sem; water
• Rehabilitation of cement concrete pavement structures at Bratislava airport by Zuzulová, Andrea; Glasnáková, Dominika (2025) - Keywords: Cement concrete pavements, runway, reconstruction, joint, pavement structure, slab, paving. [In Czech; Road building – Concrete pavements – Part 1: Construction and conformity assessment]. Keywords: airport; cement; concrete; pavement; runway; slabs
• Characterization of the microstructure of cement paste exposed to gamma radiation by scanning electron microscopy by Špaková, Andrea; Němeček, Jiří; Procházka, Lukáš; Halodová, Patricie; Němeček, Jiří (2025) - This was accompanied by an increase in the nanoinden- tation Young’s modulus [1], which is also characteristic of cement paste samples [8]. Cement CaO SiO2 Al2O3 Fe2O3 MgO Na2O K2O SO3 Cl − MnO CEM I 42.5 R (wt. %) 64.78 20.28 4.87 3.55 1.34 0.14 0.76 3.04 0.028 – Table 1. Keywords: analysis; cement; concrete; gamma; irradiation; paste; product; samples; water
• MICROSCOPIC FEATURES OF CEMENT PASTE MODIFIED BY FINE PERLITE by Hrbek, Vladimír; Koudelková, Veronika; Padevět, Pavel; Šašek, Petr (2016) - The investigation of microstructure with SEM proved the interaction of fine perlite lamella with cement matrix and integration of whole perlite particles. According to Table 2, specimens containing 10% of fine perlite substitution (ModCem 0.10) exhibit low- est decrease of both compressive and tensile-stress capacity (about 8% and 4% respectively). Keywords: cement; csh; gpa; indentation; material; modcem; perlite; phases; properties
• TESTING OF SOIL IMPROVEMENT BELOW A HALL FLOOR by Súlovská, Monika; Turček, Peter; Štefunková, Zuzana (2017) - Effects of changes in soil moisture on the oedo- metric modulus are shown in Fig. In- creasing the soil stiffness (higher values of Eoed) was possible by observing a decreasing of soil moisture below 17 %. Keywords: cement; eoed; moisture; soil
• MICRO-MECHANICAL PERFORMANCE OF CONCRETE USED AS RECYCLED RAW MATERIAL IN CEMENTITIOUS COMPOSITE by Hrbek, Vladimír; Koudelková, Veronika; Prošek, Zdeněk; Tesárek, Pavel (2017) - Micrographs with identified material phases. scanned in BSE mode with high resolution (5×5 se- quence of 250µm wide images). The measurement was performed in two major steps (Level I and II) to achieve efficient investigation of phases on different material levels. Keywords: cement; concrete; doi; fig; https://doi.org/10.1016; indentation; material; phases; properties; results; sem; waste
• THE EFFECT OF PLASTICIZER ON MECHANICAL PROPERTIES OF THE CEMENT PASTE WITH FINE GROUND RECYCLED CONCRETE by Hrůza, Jaromír; Prošek, Zdeněk (2017) - Conclusions The purpose and objective of the experiment were to design cement mixtures with an acceptable amount of fine ground recycled concrete and plasticizer to determine the effect of the plasticizer on the result- ing mechanical and physical properties. 2. Materials and methods In the experiment was made the design of cement mix- tures with fine ground recycled concrete, plasticizer and water. Keywords: cement; concrete; ground; plasticizer; samples
• HYDRATION PROCESS AND MECHANICAL PROPERTIES OF CEMENT PASTE WITH RECYCLED CONCRETE POWDER AND SILICA SAND POWDER by Topič, Jaroslav; Prošek, Zdeněk (2017) - However lower density of old cement paste in RCP overweight the mentioned potential of RCP and mechanical properties are decreasing compared with reference cement paste and cement paste SSP. The high amount of fine particles and lower density of old cement paste compare with the new one caused decrease of bulk density in case of CEM+RCP. Keywords: cement; paste; powder; properties; rcp; samples
• PULLOUT BEHAVIOR OF OXYGEN PLASMA TREATED POLYMER FIBERS FROM CEMENT MATRIX by Trejbal, Jan; Horová, Tereza; Prošek, Zdeněk (2017) - In order to increase an interaction between the matrix and fiber surfaces, two fiber types having approx. The chemical treatment rests in a polymer surface activation, when active polar groups are im- plemented onto fiber surfaces. Keywords: cement; fiber; matrix; plasma; polymer; shear; surfaces; treatment
• PERFORMANCE OF CEMENT COMPOSITES REINFORCED WITH SURFACE-MODIFIED POLYPROPYLENE MICRO- AND MACRO-FIBERS by Antoš, Jakub; Dejdar, Lukáš; Trejbal, Jan; Prošek, Zdeněk (2017) - Based on these findings, it can be pointed out, that polymer fiber modification via plasma treatment can be assumed as low-cost and very effective method to increase inter-phase interaction and mechanical properties of fiber reinforced cement composites. In presented study, we focused on inter-face inter- action between reference and plasma treated fibers with cement matrix. Keywords: cement; concrete; fibers; plasma; polypropylene; reference; samples; treatment
• THE EFFECT OF MICRO-SILICA ON THE MICROSCOPIC FEATURES OF THE UHPC COMPOSITE AND ITS INTER-FACIAL TRANSITION ZONE by Hrbek, Vladimír; Prošek, Zdeněk; Chylík, Roman; Vráblík, Lukáš (2018) - Keywords: High performance concrete, indentation, spectral deconvolution SEM, image analysis, ITZ. Effect of different supplementary cementitious materials on mechanical properties of high performance concrete. Keywords: cement; concrete; csh; fume; indentation; material; micro; phases; silica
• MICROSCOPIC AND PHASE ANALYSIS OF CEMENT PASTE CONTAINING WASTE MICRONIZED MARBLE POWDER by Prošek, Zdeněk; Tesárek, Pavel; Trejbal, Jan (2018) - The article focuses on the impact of waste marble powder on resulting cement composites. Keywords: Micronized marble powder, marble sludge, cement composites, calorimetry, elemental analysis. Keywords: analysis; cement; grains; heat; hydration; marble; powder; sludge; waste
• CHARACTERIZATION OF CEMENT-BASED COMPOSITE EXPOSED TO HIGH TEMPERATURES VIA ULTRASONIC PULSE METHOD by Rozsypalová, Iva; Vyhlídal, Michal; Dvořák, Richard; Majda, Tomáš; Topolář, Libor; Pazdera, Luboš; Šimonová, Hana; Keršner, Zbyněk (2018) - After that, the ultrasonic pulse method was used to determine the degree of damage of temperature loaded specimens. The scope of this paper is to show the results of a pilot study which deals with the characterization of the damage degree of special cement-based composite specimens exposed to high temperatures via ultrasonic pulse method. Keywords: cement; composite; loading; ratio; specimens; temperature
• USE OF FINELY GROUND RECYCLED CONCRETE FOR IMPROVEMENT OF INTERFACIAL ADHESION IN FIBER-REINFORCED CEMENTITIOUS COMPOSITES by Hlůžek, Radim; Trejbal, Jan (2019) - It was shown that the surface roughening of PP fibers was much more intensive than in case of PET fibers. SEM images of reference (left) and modified (right) PP fiber. Keywords: adhesion; cement; concrete; fibers; matrix; pet
• MICROSCOPICAL AND MICROMECHANICAL FEATURES OF HIGH PERFORMANCE CONCRETE CONTAINING LOW LEVELS OF FLY ASH by Hrbek, Vladimír; Prošek, Zdeněk; Chylík, Roman; Vráblík, Lukáš (2019) - Compare to silica fly ash, the concentration of alkali and sulfates is higher in W type fly ash and, when calcium hydrate and water is present, it displays poz- zolanic and/or hydraulic behavior [5, 6]. Compare to ordinary con- crete, additional admixtures are added to the mixture, such as fly ash, providing specific features of hardened concrete. Keywords: aggregate; ash; ccps; cement; coal; concrete; doi:10.1016; fly; indentation; material; phases; properties; replacement
• RECYCLING AND ITS USE IN CONCRETE WASTE PROCESSING BY HIGH-SPEED MILLING by Prošek, Zdeněk; Tesárek, Pavel; Trejbal, Jan (2019) - Used old concrete was created by crushing of old concrete, which served as a structural concrete for the construction of a supporting column. Micronized old concrete was formed by micronization of old concrete. Keywords: cement; concrete; moc; modulus; sample; waste
• AUTOGENOUS SHRINKAGE OF COMPOSITES BASED ON PORTLAND CEMENT by Davidová, Vendula; Reiterman, Pavel (2019) - It is caused by the efficiency of Portland cement and accessible raw materials for its production. Annual world production of Portland cement is approximately 3.8Gt and due to actual progress of economy worldwide is still rising. Keywords: cement; changes; concrete; figure; shrinkage; volume
• CEMENT PASTE CONTAINING MICRONIZED RECYCLED CONCRETE - INFLUENCE OF HARDENING ACCELERATORS ON THE MODULUS OF ELASTICITY by Ďureje, Jakub; Prošek, Zdeněk (2020) - Based on previous works, three types of solidifica- tion and hardening accelerators has been selected [7, 8]. Hardening accelerator S proved to be unsuitable, samples were removed from the mold after 24 hours and the modulus of elasticity was lower than for reference samples. • Keywords: accelerator; cement; concrete; elasticity; hardening; modulus; samples
• MECHANICAL PROPERTIES OF CEMENT COMPOSITE CONTAINING RECYCLED CONCRETE AND ALKALI ACTIVATED BLAST FURNACE SLAG by Horych, Jan; Tesárek, Pavel; Prošek, Zdeněk (2020) - Keywords: Composites, waste, blast furnace slag, recycled concrete, cement matrix. In this research we use recy- cled concrete and blast furnace slag to replace cement and reduce impact of its production. Keywords: blast; cement; concrete; furnace; samples; slag
• EXPERIMENTAL AND NUMERICAL INVESTIGATION OF CEMENT PASTE MICROSTRUCTURE AND ITS HYDRATION UNDER SHORT-TERM EXPOSURE TO ACETONE by Khmurovska, Yuliia; Štemberk, Petr; Němeček, Jiří; Doleželová, Magdaléna (2020) - The immersion of cement samples with the cross-section of 10× 10 mm in acetone for 24 hours at the sample age of 15 hours does not enable to fully stop the hydration reaction, however, it can slow down the hydration reaction significantly. 4. Conclusions The immersion of cement samples with the cross- section of 10 x 10 mm in acetone for 24 hours at the sample age of 15 hours could not fully stop the hydration reaction, however, it can slow down the hydration reaction significantly. Keywords: age; cement; concrete; drying; hydration; paste; porosity; sample
• MICRO-MECHANICAL PROPERTIES OF CEMENT AND SLAG COMPOSITES MEASURED BY NANOINDENTATION by Němeček, Jiří; Němeček, Jiří (2020) - Phase #2 is the most dominant for sample PC with (E = 33.8± 4.8 GPa) which is comparable to phase #2 of sample SL (E = 27.4 ± 6.2 GPa), the higher value for sample PC is due to the presence of Portlandite in this phase. Phase #1 deconvoluted in sample PC still has a higher modulus and compared to phase #1 in sample SL with volume fraction of 30.2 %. Keywords: cement; gpa; modulus; phases; sample; slag; volume
• DISTRIBUTION OF HYDRATION PRODUCTS IN THE MICROSTRUCTURE OF CEMENT PASTES by Hlobil, Michal (2020) - Acta Polytechnica doi:10.14311/APP.2020.27.0084 Acta Polytechnica 27(0):84–89, 2020 © Czech Technical University in Prague, 2020 available online at http://ojs.cvut.cz/ojs/index.php/app DISTRIBUTION OF HYDRATION PRODUCTS IN THE MICROSTRUCTURE OF CEMENT PASTES Michal Hlobil Czech Academy of Sciences, Institute of Theoretical and Applied Mechanics, Prosecká 809/76, 19000 Prague, Czech Republic correspondence: hlobil@itam.cas.cz Abstract. Keywords: Cement paste, hydration products, microstructure, modelling. Keywords: cement; distribution; figure; hydrates; hydration; microstructure; paste; phases; volume
• MICROMECHANICAL CHARACTERIZATION OF CEMENT PASTE MODIFIED BY NANOCLAYS by Zacharda, Vojtěch; Němeček, Jiří (2020) - This work deals with the comparison of micromechanical properties and microstructure of cement pastes with additives used in concrete to reduce the lateral pressure on the formwork. Thus, this work deals with the comparison of micromechanical properties [7–10] and microstruc- ture of cement pastes modified with additives that are used in SCCs to reduce the lateral pressure on the formwork Keywords: additives; cement; figure; metakaolin; mixture; results; samples
• PLASMA MODIFICATION OF MICROFIBERS - APPLICATION TO LIGHTWEIGHT CEMENT COMPOSITE CONTAINING RECYCLED CONCRETE by Ďureje, Jakub; Prošek, Zdeněk; Trejbal, Jan; Tesárek, Pavel; Potocký, Štěpán (2021) - Samples containing plasma modified fibers achieved slightly higher compressive strengths compared to samples without plasma modification. Compressive strength and density of lightweight cementitious composites containing recycled concrete reinforced by plasma modified fibers. Keywords: cement; concrete; fibers; matrix; modification; plasma; samples
• FIRE PROTECTION OF STEEL ELEMENTS USING LIGHTWEIGHT HYBRID CEMENT MORTAR by Šulc, Stanislav; Šmilauer, Vít; Šejna, Jakub; Wald, František (2021) - Material properties of steel structures are significantly reduced at high temperatures, so a fire protection has strong positive impact on the fire resistance of the structure. Most of commonly used cement-based materials do not withstand high temperatures without noticeable reduction of mechanical properties. Keywords: cement; figure; fire; steel; temperature
• MICRONIZED CONCRETE POWDER AS MIRCOFILLER IN CEMENT PASTE: INFLUENCE ON HYDRATION AND STRUCTURE by Topič, Jaroslav; Prošek, Zdeněk (2021) - All types of micronized concrete powder were used to preparation of cement paste samples with 0, 10, 20, 30, 40 and 50 wt. % of MCP. The reduction of cement pastes porosity with MCP under 30 wt. % is probably due to the mentioned function of MCP as a microfiller. Keywords: cem+mcp; cement; concrete; mcp; paste; porosity; powder
• Durability of high belite cement as new technical solution for concrete by Irico, Sara; Mutke, Sabine; Bertola, Federica; Gastaldi, Daniela; Capelli, Livio; Canonico, Fulvio (2022) - The results show that the self-compacting concrete with the high belite cement is able to reach sufficient strengths already after 1 day of hydration, with a low heat development and improved durability properties, compared to CEM I. Keywords: Belitic cement, low heat cement, low heat concrete. The study presents an investigation on the durability performance of concretes produced with an industrial scale high belite cement. Keywords: belite; cem; cement; concrete; durability; hbc; resistance
• Sustainable concrete production with recycled concrete wash water beneficiated with CO2 by Monkman, Sean; Meyer, Vincent (2022) - Carbon uptake in wash water solids and solution pH with treatment time of wash water slurry treated with CO2. Vincent Meyer Acta Polytechnica CTU Proceedings Ϭ Ϭ͕Ϯ Ϭ͕ϰ Ϭ͕ϲ Ϭ͕ϴ ϭ ϭ͕Ϯ ϭ͕ϰ Ϭ ϱ ϭϬ ϭϱ ϮϬ Ϯϱ �ŽŶƚƌŽů Ed Ed� �d �d� �dW �d�W �Ě ŵ ŝdž �;й ͬď ŝŶ ĚĞ ƌͿ ^ů Ƶŵ Ɖ� ;Đ ŵ Ϳ W�� �ŝƐƉĞƌƐĂŶƚ Figure 2. Workability (slump) of concrete batches produced with wash water slurry. Keywords: carbon; cement; co2; concrete; slurry; solids; wash; wash water; water
• Effect of using biomass fly ash on the concrete sustainability by Teixeira, Elisabete Rodrigues; Camões, Aires; Branco, Fernando G. (2022) - Based both on the abovementioned context and methodological approach, a quantification and comparison of potential environmental impacts resulting from the production of 1 m3 of concrete was made, using different types of binder and quantities of cement substitution. Based both on the abovementioned con- text and methodological approach, a quantification and comparison of potential environmental impacts resulting from the production of 1 m3 of concrete was made, using different types of binder: i) Keywords: bfa; cement; concrete; environmental; fly; impact; life; production; − −
• Use of recycled concrete fines in cement and as aggregate by Stuerwald, Simone; Meglin, Ronny; Kytzia, Susanne; Gilg, Sabrina (2022) - Different samples of laboratory and real crushed concrete fines were collected and examined in relation to various possible applications in accordance with the applicable standards. The research project focused on investigating and optimizing the processing and use of recycled crushed sand 0/4 from concrete demolition waste, as an alternative raw material in the cement and concrete industry. Keywords: cement; concrete; demolition; material; paste; sand; use
• Microstructure modification of cement pastes using nanosilica by Ňachaj, Daniel; Němeček, Jiří; Němeček, Jiří (2022) - 4. Image analysis Image analysis is used for observation and subsequent preparation of cement paste phases. Sample preparation Four types of cement paste samples were produced, three of them with different proportions of nanosilica and one reference sample without nanosilica. Keywords: analysis; cement; image; nanoindentation; nanosilica; phases; samples
• The application of UHPC on the monolithic part of the Štvanice footbridge by Davidová, Vendula; David, Tomáš; Reiterman, Pavel; Šmilauer, Vít (2024) - The effect of nanosilica addition on flowability, strength and transport properties of ultra high performance concrete. Ultra-high performance concrete: Keywords: cement; concrete; cooling; production; properties; temperature; uhpc; water
• Development of hydration temperatures on cement pastes by Meruňka, Milan; Šperling, Petr; Hela, Rudolf (2024) - One possible alternative solution could be at least a partial replacement of high temperature fly ash by flu- idised bed fly ash. In the other cement paste, 25 % of the binder was replaced by high temperature fly ash (25_MEL) or fluid fly ash (25_ZL). Keywords: ash; cement; changes; fly; fly ash; hydration; temperature
• Self-compacting concrete with reduced formwork pressures by Němeček, Jiří; Trávníček, Pavel; Tichý, Jan (2024) - Self-compacting concrete (SCC) is normally characterized with high pressures exerted on the formwork during casting. Keywords: Self-compacting concrete, metakaolin, nanoclay, formwork pressure, thixotropy. Keywords: casting; cement; concrete; figure; formwork; metakaolin; mixture; pressures; wall
• The carbonation resistance of concrete on the basis of blended binders containing milled limestone by Reiterman, Pavel; Davidová, Vendula; David, Tomáš (2024) - Keywords: Concrete carbonation, carbonation front, milled limestone, cement replacement. The mechanical properties of these cements are primarily prescribed by the standard [6], however the long-term durability of the concrete incorporating these types of cement incorporating limestone powder is highly questionable. Keywords: carbonation; cement; concrete; durability; limestone; replacement; resistance
• Production of concrete pavements using mixed cements by Šperling, Petr; Hela, Rudolf (2024) - Compressive strengths, activity indices, pressure water seepage depth and carbonation depth were determined for cement mortars with 10, 20 and 30 % cement replacement by fly ash for ages of 7, 28 and 60 days. In the case of pressure water seepage depth, the seepage depths at 60 days age were equal to or lower than the pressure water seepage depth. Keywords: cement; concrete; days; depth; water

• Impact of temperature on tyre hardness by Jelínek, David; Semela, Marek (2025) - Temperature dependence of sample hardness with standard deviation and regression curve. Tyre hardness vs. temperature Statistical evaluation shows that for all samples the P-value in the ANOVA table is less than 0.05, and thus there is a statistically significant relationship be- tween sample temperature and hardness at the 95 % confidence level. Keywords: curve; hardness; measurement; regression; samples; temperature; tyre; values
• Hybrid reinforcement of TRC from flax and AR glass by Hájek, Jakub; Schwarzkopf, Matthew; Mikuljan, Marica; Vlach, Tomáš (2025) - Natural fibre reinforced composite materials: Environmentally better life cycle assessment – a case study. In this article, four-point tests of hybrid reinforced concrete plates with alkali-resistant glass and flax are presented. Keywords: concrete; flax; glass; reinforcement; samples
• Effect of hydrogen embrittlement on mechanical properties of non-stressed prestressing steel by Chobotský, Tomáš; Kubový, Martin; Milerová, Andrea; Čítek, Adam (2025) - Introduction The phenomenon of hydrogen embrittlement has been known since the last century and until recently was an often overlooked problem in high strength materials such as prestressed concrete steel strand in concrete structures. Speaking about prestressed concrete steel strand, should be mentioned that it is a structural element reaching ultimate tensile strength values of around 1 900 MPa (yield strength of around 1 640 MPa), i.e. a very strong steel material, which according to the aforementioned theories, should be very susceptible to hydrogen embrittlement. Keywords: ductile; embrittlement; hydrogen; samples; steel; strand; structure; surface
• Solid-state synthesis of pure belite polymorphs by Křištof, Michal; Jančíková, Andrea; Dvořák, Karel (2025) - In subsequent second firings, it was confirmed based on XRD analysis that the orthorhombic crystal struc- ture of γ-C2S can be relatively easily transformed into a monoclinic one, just by using a suitable firing mode. Milled samples had D(50) in the range of values 6.3–8.1 µm. Keywords: belite; c2s; firing; samples
• Numerical verification of fracture toughness values for very thin 3D printed polyamide samples by Bočan, Petr; Jíra, Aleš (2025) - To account for the ortotrophy of 3D printed samples, the print orientation was varied, with layers printed either perpendicular or parallel to the anticipated crack propagation. Experimental verification of the influence of thickness on 3D printed samples on fracture toughness parameters. Keywords: experiment; fracture; material; numerical; samples; tensile; toughness
• Prestressed textile reinforced concrete with carbon composite reinforcement by Macháček, Jan; Kafková, Eliška; Kabíčková, Věra; Blažek, Tomáš; Vlach, Tomáš (2025) - The paper presents the advantages of using prestressed textile carbon composite reinforcement of textile reinforced concrete and at the same time deals with problems related to it, such as the correct choice of impregnation using epoxy resin and the technological method of introducing prestress into the sample. CFRP reinforcement displays different prop- erties depending on type of used epoxy resin, so the main purpose of this paper is comparison of three different epoxy resin [2]. Keywords: concrete; epoxy; figure; reinforcement; resin; samples; textile
• A study of the behavior of samples of high-performance concrete shells with filled core exposed to compression by Kafková, Eliška; Macháček, Jan; Kabíčková, Věra; Vlach, Tomáš (2025) - Plain concrete shells, as expected, were fractured completely due to the fragility of the material as there is no reinforcement. Polypropylene fibers had a negative impact toward mechanical prop- erties as they are smooth and thin and caused only the weakening of the shell structure accordingly to the lower compressive strength in comparison with plain concrete shell. Keywords: concrete; pcs; rac; reinforcement; samples
• DEFORMATION BEHAVIOUR OF GELLAN GUM BASED ARTIFICIAL BONE STRUCTURES UNDER SIMULATED PHYSIOLOGICAL CONDITIONS by Krčmářová, Nela; Šleichrt, Jan; Fíla, Tomáš; Koudelka, Petr; Kytýř, Daniel (2016) - Elastic properties of GG samples with 50 wt% BAG for compression test sample E [kPa] GG50 1 24.406 ± 0.090 GG50 2 27.156 ± 0.085 GG50 3 24.287 ± 0.080 GG50 4 23.719 ± 0.081 GG50 5 21.376 ± 0.089 GG50 mean 24.18 ± 2.061 Table 4. Elastic properties of GG samples with 50 wt% BAG for tensile test sample E [kPa] GG70 1 134.424 ± 0.120 GG70 2 63.566 ± 0.077 GG70 3 79.592 ± 0.078 GG70 4 67.376 ± 0.083 GG70 5 65.131 ± 0.077 Keywords: bag; bone; loading; material; samples; scaffold; strain
• EVALUATION OF THE FATIGUE RESPONSE OF POLYESTER YARNS AFTER THE APPLICATION OF ABRUPT TENSION LOADS by Louzada, Emilio Luiz Vieira; Guilherme, Carlos Eduardo Marcos; Stumpf, Felipe Tempel (2016) - A total of eight ranges of tension loads were used during the cyclic tests: 10-90%YBL, 20- 90%YBL, 30-90%YBL, 40-90%YBL, 50-90%YBL, 60- 90%YBL, 70-90%YBL, 80-90%YBL. It was found that when operating between cyclic tension loads of 10% and 70% of the material’s tension resistance, samples failed after approximately 100,000 cycles [6]. Keywords: fatigue; impact; load; material; samples
• INVESTIGATION OF SURFACE MACROSCOPIC RESIDUAL STRESSES OF CUTTING CERAMICS AFTER MECHANICAL MACHINING by Němeček, Jakub; Čapek, Jiří; Ganev, Nikolaj; Kolařík, Kamil (2018) - However, the relative dependence for determining the effect of mechanical machining on surface residual stresses is indicative. Investigation of surface macroscopic residual stresses of cutting ceramics Sample F d , Keywords: diffraction; grinding; samples; stresses; values
• INFLUENCE OF PRINTING AND LOADING DIRECTION ON MECHANICAL RESPONSE IN 3D PRINTED MODELS OF HUMAN TRABECULAR BONE by Doktor, Tomáš; Kumpová, Ivana; Wroński, Sebastian; Śniechowski, Maciej; Tarasiuk, Jacek; Forte, Giancarlo; Kytýř, Daniel (2018) - The paper deals with investigation on directional variations of mechanical response in 3D printed models of human trabecular bone. Trabecular bone sample resected from human caput femoris. Keywords: bone; direction; figure; loading; samples; strain
• BASIC BIOMECHANICAL CHARACTERIZATION OF POLYURETHANE BASED ARTIFICIAL CANCELLOUS STRUCTURES by Šleichrt, Jan; Kytýř, Daniel; Pithartová, Kateřina; Senck, Sascha; Fürst, David; Schrempf, Andreas (2018) - Keywords: polyurethane foam, artificial bone, uniaxial loading, digital image correlation. In this case different types of polyurethane foam synthesized as artificial cancellous bone was investigated from biomechanical point of view. Keywords: filler; h2o; mpa; samples; stabilizer; strain
• CHLORIDE RESISTANCE OF NANO-PARTICLE REPAIRED CONCRETE by Šulc, Rostislav; Himmel, Michal; Němeček, Jiří (2019) - Figure 2 shows an electrical current waveform pat- tern in accelerated migration of chloride ion samples over a period of 48 hours. Parts of concrete samples were further treated, to increase the resistance of concrete to chloride ion penetration, with a colloidal solution of Nano-silica or solution of Sodium Methyl Siliconate. Keywords: chloride; concrete; penetration; samples; silica
• EXPERIMENTAL STUDIES OF ACCELERATED CHLORIDE TRANSPORT IN CONCRETE by Zacharda, Vojtěch; Němeček, Jiří (2019) - After reaching a critical value of chloride concentration on the rebar surface the corrosion of the steel starts [1–3]. The average decrease of chloride concentration was about 15% on L samples and 20% on N samples. Keywords: chloride; concentration; concrete; extraction; penetration; samples; tests
• MECHANICAL AND STRUCTURAL PROPERTIES OF COLLAGEN NANOFRIBROUS LAYERS UNDER SIMULATED BODY CONDITIONS by Říhová, Jitka; Suchý, Tomáš; Vištejnová, Lucie; Horný, Lukáš; Šupová, Monika (2019) - COL were exposed in culture medium for 21 days and human SAOS-2 human dermal fibroblasts and osteoblasts were cultured therein for 21 days as well. Exposure in culture medium and in the presence of cells For the exposure of COL in simulated body condi- tions, dermal fibroblasts and osteoblasts (human line SAOS-2) cultivated on the surface of the layers were used. Keywords: col; collagen; culture; day; days; fibroblasts; medium; osteoblasts; samples
• HIGH-TEMPERATURE STEAM AND AIR OXIDATION OF CHROMIUM-COATED OPTIMIZED ZIRLO™ by Bourdon, Gauthier; Ševecek, Martin; Krejčí, Jakub; Cvrček, Ladislav (2019) - Keywords: Cladding material, accident tolerant fuel, steam oxidation, air oxidation. K (mg.dm−2.min−1/2) and B (K) values for coated and uncoated cladding materials from Eq. 4 for air oxidation. Keywords: air; cladding; figure; oxidation; samples; steam; temperature; zirlo
• FRACTURE BEHAVIOR OF FeAlSi INTERMETALLICS by Čech, Jaroslav; Haušild, Petr; Karlík, Miroslav; Nová, Kateřina; Průša, Filip; Novák, Pavel; Kopeček, Jaromír (2020) - The samples of the same chemical composition were prepared by spark plasma sintering from the different mechanically alloyed powders (pure elements and pre-alloyed powders). Whereas no significant differences were found in hardness and Young´s modulus, fracture resistance was higher for the samples from pre-alloyed powders in which Palmqvist and lateral cracks were observed (contrary to the sample made of pure elements where only Palmqvist cracks were identified). Keywords: cracks; fracture; indentation; powders; samples; scratch; toughness
• Comparative flexural performance of steel fibre reinforced self-compacting concrete (SCFRC) ribbed slab with different fibre provision area by Ahmad, Hazrina; Mohd Hashim, Mohd Hisbany; Abu Bakar, Afidah; Ahmad Zakwan, Fariz Aswan; Ismail , Ruqayyah (2022) - RD G� �N 1 � 'LVSODFHPHQW��PP� 6):6�� 6):6��� 6):6��� 6)7�� 6)7��� 6)7��� 6)5�� 6)5��� 6)5��� Figure 2. Slab samples of 2.8 × 1.2 × 0.2 m were constructed and loaded until failure under four- point bending. Keywords: crack; fibre; flange; load; samples; slab; steel; � �
• Advanced hybrid nonmetallic composite reinforcement for concrete structures by Falikman, Vyacheslav Ruvimovich; Ilyin, Dmitry Anatolievich; Stepanova, Valentina Fedorovna (2022) - Keywords: Durability, elasticity modulus, fiber reinforced polymer (FRP), glass and carbon fibers, hybrid composite reinforcement (HCR). Concrete beam reinforcement diagram 3.1. Keywords: alkaline; beams; carbon; composite; concrete; frpr; hcr; modulus; reinforcement; samples
• Fire spalling sensitivity of concrete made with recycled concrete aggregates (RCA) by Fernandes, Bruno; Carré, Hélène; Mindeguia, Jean-Christophe; Perlot, Céline; La Borderie, Christian (2022) - Fire spalling is the detachment of concrete frag- ments from structures exposed to fire. To this, uniaxial spalling tests were carried out on of ordinary concrete samples con- taining different RCA (coarse aggregates) replace- ment rates (0%, 10%, 20%, 40%, 70% and 100%). Keywords: aggregates; concrete; content; figure; fire; rca; samples; spalling; volume; water
• Mold growth on spruce and pine samples in steady state conditions: Time of germination and maximum coverage by Ryparová, Pavla; Staněk, Kamil; Richter, Jan; Kopecký, Pavel (2022) - This article deals with mold growth on wood samples under constant relative humidity (75 %; 87 %; 95 % RH) and temperature (23 °C). In order to be more accurate, it would be necessary to increase the number of samples on which mold growth wood be recorded on the whole sample with a resolution of at least 40 times every three days. Keywords: coverage; days; growth; mold; pine; samples; spruce; time; wood
• Treatment of polypropylene microfibers by atmospheric and low-pressure plasma – application to a reinforced cement composite containing recycled concrete by Ďureje, Jakub; Prošek, Zdeněk; Trejbal, Jan; Potocký, Štěpán; Hlůžek, Radim (2023) - Polypropylene surface modification by low pressure plasma to increase adhesive bonding: Effect of process parameters. Based on the experiment, we can conclude that: • Modification by oxygen low pressure plasma caused mechanical changes on the fibers surfaces. Keywords: atmospheric; fibers; modification; plasma; pressure; samples; surface
• Effect of the long-term storage methods on the stability of cartilage biomechanical parameters by Žaloudková, Blanka; Sekorová, Šárka; Kopecká, Barbora; Kytýř, Daniel (2023) - This method is not widely used yet and in general there is a lack of publications investi- gating the stability of biomechanical parameters of products stored in this way. For that reason the set of biomechanical experiments coupling XCT imaging and uni-axial testing [9] was performed to evaluate the time-dependent trends in changes of biomechanical parameters. Keywords: effect; parameters; samples; storage; strain; stress; term
• Effect of heat-treatment on material properties of L-DED printed austenistic alloy 08CH18N10T for nuclear reactor applications by Jedlan, Štěpán; Ševeček, Martin; Prantl, Antonín; Hodek, Josef; Podaný, Pavel; Brázda, Michal (2023) - This paper deals with the evaluation of material properties of the additively manufactured austenistic alloy 08CH18N10T, which is widely used in the Czech Republic nuclear power plants Temelín and Dukovany and other VVER reactors around the world. Experiments such as microstructure analysis, porosity and Vickers hardness were then performed on L-DED printed and heat-treated 08CH18N10T material, and the obtained material properties were then compared with the properties of L-DED printed 08CH18N10T material without heat-treatment for examination of its effect and also with material properties of conventionally made 08CH18N10T material. Keywords: 08ch18n10; block; heat; material; samples; treatment

• EXPERIMENTAL, NUMERICAL AND ANALYTICAL INVESTIGATIONS OF WIND-INDUCED NET PRESSURES FOR INDUSTRIAL BUILDINGS WITH ENVELOPE POROSITIES by Saubke, Vanessa; Höffer, Rüdiger (2016) - In order to detect the reason for the damage the wind-induced loads were studied by i) wind tunnel experiments on the external pressures due to different wind directions, ii) analytical investigations of internal pressure due to envelope porosities and planned openings and iii) numerical analyses for the internal and the external pressure. Keywords: net pressure, internal pressure, industrial building, Eurocode. Keywords: building; figure; openings; pressure; results; values; wind
• WATER ABSORPTION CAPACITY COEFFICIENT AND MASS MOISTURE OF RAMMED EARTH MATERIAL by Mužíková, Barbora; Otcovská, Tereza; Padevět, Pavel (2017) - This article presents the development of mass moisture of rammed earth material and determines the water absorption capacity coefficient for rammed earth with illite-kaoline clay. Introduction This article presents earth material as a modern build- ing material based on the long history of using, but in last centuries it was replaced by modern mate- rials. Keywords: building; clay; earth; material; water
• RECONSTRUCTION OF THE MONASTERY NEXT TO THE PRAGUE CASTLE by Řehák, Jakub; Burgetová, Eva; Řehák, Josef; Řehák, Stanislav (2019) - Keywords: Static failures, rising damp, structural survey, historic drainage systems, natural ventilation, sewer, rehabilitation. Historic drainage systems, however by ignorance of their importance and function, were clogged or filled up during reconstruction, possibly walled up as un- necessarily due to amateurish or inadequately carried out surveys or due to ignorance or negligence of geo- logical and hydrogeological conditions. Keywords: building; drainage; gallery; moisture; monastery; system; water
• RECONSTUCTION OF THE HISTORICAL BUILDING FOKSAL 13 AND 15 IN WARSAW by Ředina, Tomáš (2019) - Keywords: Jet grouting, historical buildings, underground garages, shoring. The following tolerances have been adopted for existing buildings: Keywords: building; construction; grouting; jet; micropile
• Expansion of sustainability in the ACI 318 building code by Kelley, Shana (2022) - 1. Introduction Historically, concrete building codes have focused mainly on provisions related to strength, serviceabil- ity, stability, and durability of the structure. Concrete sustainability at ACI and in the ACI building code Keywords: aci; building; code; concrete; sustainability
• Breakthrough of the resemblances and correspondences between resilience and sustainability in civil infrastructures by Urbina, Oscar Javier; Teixeira, Elisabete; Sousa, Hélder; Matos, José (2022) - Consequently, there exists a possibility to create a methodology that examines and assesses four categories of civil infrastructure sustainability: Technical, environmental, social, and economical. Despite this, there 620 vol. 33/2022 Resilience and Sustainability in Civil Infrastructures is limited number of previous studies that integrate them with critical infrastructure sustainability. Keywords: analysis; approach; assessment; building; decision; development; impacts; infrastructures; performance; resilience; risk; sustainability
• Methodology for evaluation of the life cycle of buildings with a focus on the private sector by Schneiderová Heralová, Renáta; Hromada, Eduard; Holcman, Jakub; Vitásek, Stanislav (2022) - The quantification of life cycle costs based on relevant input data on the technical parameters of the construction, structural elements and equipment, the time period of incurring the related costs should be an important basis for the decision of the investor, designer and future user of the building also with regard to environmental and social aspects, and in particular the long-term economic consequences. Life cycle costs (LCC) mean in- volving all of the costs deriving from the use of build- ings during their entire life span. Keywords: building; construction; costs; cycle; lcc; life; life cycle; maintenance; project; service
• Automatic extraction of 3d building meshes from LiDAR data by Voříšek, Jan; Patzák, Bořek; Rypl, Daniel (2022) - Keywords: Laser scanning, BIM, point cloud, city planning. While point clouds can be directly rendered and inspected, they carry no additional information about the scanned objects. Keywords: area; building; grid; ground; planes; point; segmentation
• Sustainability and resilience in building design: Discussion on two case studies by Felicioni, Licia; Lupíšek, Antonín; Gaspari, Jacopo; Antonini, Ernesto (2022) - Keywords: Building design, sustainable building, resilient building, synergies, contradictions, future threats. Urban resilience building in modern development: a case of Phnom Penh City, Cambodia. Keywords: area; assessment; building; case; climate; criteria; design; new; resilience; sustainability
• Solar shelter: Exploring architectural design input for industrially-crafted shading devices by Pont, Ulrich; Swoboda, Sigrun; Schober, Peter (2022) - Amongst other strategies, one of the most prominent strategies is the timely deployment of shading devices. Keywords: Shading devices, summer overheating, passive cooling strategies, industry-university collaboration, urban heat islands, climate change, cooling demand reduction. Keywords: building; change; design; devices; heat; overheating; proceedings; project; shading; summer; system; window
• Critical analysis of monitoring indoor air quality in education centres by Figueroa-Lopez, Anna; Oregi, Xabat; Martín-Garín, Alexander; Hernández-Minguillón, Rufino Javier (2022) - 38/2022 Critical analysis of monitoring indoor air quality in education centres MAIN CHARACTERISTICS EXTERNAL CONDITIONS PERMEABILITY INDOOR/ OUTDOOR RATIO VENTILATION RATES SEASONALITY OCCUPANCY BUILDINGS' CHARACTERISTICS Figure 1. Critical analysis of monitoring indoor air quality in education centres 1 2 to 5 6 to 15 > 15 Number of educational centres 4 4 6 6 [5, 13, 21, 24] [4, 6, 18, 23] Keywords: air; building; co2; indoor; monitoring; number; quality; schools; studies; study; ventilation
• Connected design decision networks: Multidisciplinary decision support for early building design LCA by Forth, Kasimir; Schneider-Marin, Patricia; Theißen, Sebastian; Höper, Jannick; Svane, Nanna Dyrup; Borrmann, André (2022) - Thus, there is no decision support across disciplines meaning that the significance and consequences of design decisions on other disciplines are not considered. 2.2. Meaning that the choice of ma- terial is not an endpoint, but in fact a decision that influences other design decisions at other and earlier stages of the process. Keywords: building; cddn; criteria; decision; design; lca; making; mcdm; process; system
• Toward a critical assessment of indoor environmental quality standards by Mahdavi, Ardeshir; Berger, Christiane (2022) - Thermal comfort standards typically refer to rele- vant (measureable) physical variables, such as air tem- perature, air speed, and water vapour concentration. Secondly, IEQ standards, in contrast to building con- struction and structure codes, cannot rely only on engineering sciences, but must also take into account findings from human and social sciences such as phys- iology, psychology, and sociology. Keywords: air; building; comfort; evidence; health; occupants; quality; requirements; standards
• Review and analysis of existing methods to assess the Indoor Environmental Quality (IEQ) for office buildings by de Castro Jacinto, Cláudia; de Paula Junior, Adilson Campos; Silva, Sandra Maria Gomes Monteiro; Mateus, Ricardo Filipe Mesquita Silva (2022) - The main objective of the present study is to propose a list of IEQ indicators for office buildings, adapted to the Portuguese context, based on the analysis of existing rating methods for buildings and the recommendations of national and international standards. Materials and Methods The study was developed based on the analysis of 14 building assessment methods (Table 1), six European and eight non-European, which include IEQ indicators as part of their criteria. Keywords: air; building; categories; comfort; health; ieq; indicators; methods; occupant; quality
• Thoughts on the selection of the appropriate simulation models in building performance assessment by Berger, Christiane; Mahdavi, Ardeshir (2022) - Building performance simulation serves the derivation of the relevant building performance indicators (e.g., energy use, indoor-environmental conditions) given the assumptions of certain model input parameters (i.e., description of the building, boundary conditions, occupants’ presence and behaviour). People in building performance simulation, pp. Keywords: building; design; models; occupant; performance; resolution; simulation; use; values
• Excellence in building science education: Experiences with a Central European experiment by Mahdavi, Ardeshir; Martens, Bob; Pont, Ulrich; Schuss, Matthias; Teufl, Helene; Berger, Christiane (2022) - On the one hand, the more desirable access rules (i.e., no or a very small tuition) available to TU’s regular programs was not available for BST students. The spectrum of educational programs in building science is wide and diverse. Keywords: bst; building; design; education; master; performance; program; science; semester; students
• Experiencing circular design: Stories of agri-food waste transformed into new materials for architecture by Tedesco, Silvia; Montacchini, Elena; Andreotti, Jacopo (2022) - The prototypes are based on hypotheses backed by data from scientific literature – for instance, related to the performance features of waste products – and need to be verified and tested in laboratories. The mix of architecture and design students from the Po- litecnico di Torino has allowed the visualization of new circularity scenarios and the development of design proposals involving waste material. Keywords: architecture; building; construction; design; development; economy; food; material; pomace; product; research; waste
• Comparison of thermal bridge calculation methods by Nagy, Balázs; Marosvölgyi, Martin; Szalay, Zsuzsa (2022) - Comparison of heat transfer coefficients: 1) simplified calculation, 2) MSZ EN ISO 14683, 3) Thermal bridge catalogue, 4) steady-state and 0 % RH, 5) steady-state and 50 % RH, 6) steady-state HAM, 7) dynamic, with effect of radiation and 0 % RH, 8) dynamic with solar radiation, 50 % RH, 9) dynamic without solar radiation and 0 % RH, 10) dynamic, without solar radiation and 50 % RH. linear heat transfer coefficients is the lowest for the simplified method, almost 50 % below the average of the other methods. 38/2022 Comparison of thermal bridge calculation methods Building envelope components U-values (with thermal bridge effect) Keywords: bridge; building; coefficient; heat; heat transfer; linear; state; transfer
• A tool for developing a plan for the renovation and remediation of cultural heritage buildings by Macek, Daniel; Schneiderová Heralová, Renáta; Hromada, Eduard; Vitásek, Stanislav; Střelcová, Iveta; Brožová, Lucie; Pojar, Jan (2022) - In the case of the renovation and remediation of cultural heritage buildings, the life-cycle costs are determined in the operational phase, before the intended renovation or remediation. Life cycle cost of cultural heritage In the case of immovable cultural monuments, the life cycle cost mainly includes the renovation costs. Keywords: analysis; building; construction; costs; cycle; heritage; life; life cycle; renovation; technical
• A methodological approach for life cycle assessment of refurbishment measures - from building to neighbourhood and municipal level by Slabik, Simon; Zernicke, Caya; Storck, Michael; Hafner, Annette (2022) - In addition, the LCA, according to the European standard EN 15978, is limited to building level only. All building components - - D(x) Informative Optional Optional ∗ For building level: x = 0 years. Keywords: assessment; building; components; cycle; lca; level; life; measures; neighbourhood; refurbishment
• Exploring the State of Knowledge and Gaps Regarding Sustainability within Viennese Construction Industry by Santana-Sosa, Aída; Aichholzer, Martin; Mitrenova, Elena; Schachenhofer, Martin (2022) - However, 43.0 % and 50.6 % of the respondents considered that there is enough expertise, where the 24.4 % and 14.1 % respectively considered there are no need for further knowledge building in this regard. Based on that, it can be stated that there is a willingness of further qualification in sustainable construction among the professionals of the sector. Keywords: analysis; building; construction; design; knowledge; planning; project; strategies; sustainability
• Sustainability aspects in real estate management – basics and opportunities for an indicator-based target and reporting system in real estate companies by Buchholz, Matthias; Lützkendorf, Thomas (2022) - Keywords: Sustainability indicators, key performance indicators, sustainability assessment, corporate sustainability reporting, information management, portfolio management. Types and functions of sustainability indicators There is no general definition for the term “indica- tor”, but it is generally considered as an aid to support decision-making through the precise presentation of re- quired information. Keywords: aspects; building; decision; estate; indicators; information; level; management; rem; sustainability
• Integral planning – potentials and challenges for the construction of timber buildings. A teaching example by Schachenhofer, Martin; Aichholzer, Martin; Santana-Sosa, Aida (2022) - Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague INTEGRAL PLANNING – POTENTIALS AND CHALLENGES FOR THE CONSTRUCTION OF TIMBER BUILDINGS. Keywords: Integral planning, sustainable architecture, teaching architecture, teaching sustainability, modular timber construction, timber building. Keywords: building; construction; course; cycle; design; figure; life; planning; project; students; timber
• Options of modelling refurbishment in LCA: continuous improvement strategy and next life cycle approach by Balouktsi, Maria; Lützkendorf, Thomas (2022) - Major building refurbishments usually take place after a 20–30 year’s period of use of a building and are possibly combined with maintenance, repair and/or replacement measures. However, the inclusion of mandatory calculations and legal binding benchmarks also for refurbishments, along the requirements for new buildings, is currently examined in some countries (e.g. Sweden [11]). Keywords: approach; assessment; building; components; cycle; impacts; lca; life; refurbishment
• Lightwell in residential building: Architectural solutions to the daylighting performance through parametric simulation by Souza, João Pedro de Melo; Alberto, Klaus Chaves; Barbosa, Sabrina Andrade (2022) - https://doi.org/10.1016/j.enbuild.2006.03.013 71 https://cadernos.proarq.fau.ufrj.br/public/docs/Proarq31%20ART%2005.pdf https://cadernos.proarq.fau.ufrj.br/public/docs/Proarq31%20ART%2005.pdf https://doi.org/10.1016/j.bcp.2020.114304 https://doi.org/10.1016/j.rser.2017.03.061 https://doi.org/10.1590/S1678-86212012000200004 https://doi.org/10.1016/j.solener.2020.07.099 https://doi.org/10.1016/j.apenergy.2012.10.019 https://doi.org/10.1016/j.jobe.2018.03.016 https://doi.org/10.1016/j.scs.2014.04.001 https://doi.org/10.1016/j.enbuild.2006.03.013 Acta Polytechnica CTU Proceedings 38:65–71, 2022 1 Introduction 2 Methods 3 Results and Discussion 3.1 Base model under different latitudes 3.2 Daylight availability for different lightwell geometries 3.3 Daylight availability under different shaft reflectance 3.4 Best case scenario for each latitude 4 Conclusion References On the first floor, 67 J. P. M. Souza, K. C. Alberto, S. A. Barbosa Acta Polytechnica CTU Proceedings Figure 4. sDA values in the Macapa’s models at different lightwell reflectance. Keywords: building; daylight; daylighting; floor; lightwell; reflectance; values
• Low rents and low operating costs in social housing - an example from Germany by Grossklos, Marc; Müller, André (2022) - The cover ratio has reached a mean value of 67 % from August 2020 until July 2021 which means a reduction in drinking water consumption by 54 % compared to the German mean value. The billed ancillary costs in 2020 were 1.14 € for consumption costs for heating and drinking water, 0.87 € for other ancillary costs such as property tax, building cleaning or waste disposal and 0.52 € for household electricity, which is normally not included in ancillary costs in Germany. Keywords: budget; building; consumption; costs; electricity; heating; kwh/(m2; water
• Prvok - Issue on 3D printing concrete building by Nováková, Kateřina; Vele, Jiří; Litoš, Jiří; Šána, Vladimír (2022) - Buildability and mechanical properties of 3D printed concrete. Hardened properties of 3D printed concrete: The influence of process parameters on interlayer adhesion. Keywords: building; concrete; figure; load; loading; printing; structure; walls
• Circular design in the Global South by Huovila, Pekka; Iyer-Raniga, Usha; Cheong, Christina; Malhotra, Riya; Choudhary, Yatin; Penagos, Guillermo (2022) - Keywords: Case studies, circular built environment, life cycle, sustainable buildings and construction, sustainable development goals (SDGs). These initiatives span a range, including bottom-up and top-down approaches, with direct benefits of re- ducing construction and demolition waste, as well as the demand for raw building materials. Keywords: africa; asia; building; case; construction; design; environment; global; latin; life; population; urban; waste
• Directing classical geotechnical engineering to future challenges by Franzén, Gunilla; Garin, Håkan (2023) - Geotechnical engineers have traditionally been focused on soil mechanics, rock mechanics and engineering geology. Therefore, ensuring that geotechnical engineers remain central to all relevant projects, there is a need to master increasingly different and new ways of working together, obtaining new skills and increasing professionally pertinent knowledge and experience. Keywords: building; design; engineering; engineers; foundation; material; site

• Design of the testing procedure for investigation of Eryx conicus dermal armour characteristics by Žaloudková, Blanka; Koudelka, Petr; Frýdlová, Petra; Drozdenko, Mykhailo; Šleichrt, Jan; Kytýř, Daniel (2024) - Skin samples Four samples of the skin surface layer with thicknesses up to 500 µm of rectangular-like shape and dimensions ranging from 7×18 mm to 20×30 mm were harvested from a single individual. [14] together with Dexela 1512 (Varex Imaging, Germany) CMOS X-ray detector equipped with a CsI scintillator were employed. Keywords: armour; figure; modulus; mpa; osteoderms; ray; segment; skin; strain; tangent
• Local cohesion of splats in hybrid plasma spray coating as observed by in-situ experiment by Mušálek, Radek; Tesař, Tomáš; Minařík, Jakub; Dudík, Jonáš (2024) - Conven- tional deposition from coarse powders provides high deposition rate and lamellar microstructure, whereas deposition from liquids (suspensions or solutions) pro- vides a new class of coatings microstructures with miniature splats [2]. 50/2024 Local cohesion of splats in hybrid plasma spray coating . . . Keywords: coating; figure; hybrid; loading; microstructure; plasma; sample; splats; spray; strain
• Commissioning of universal Split Hopkinson Bar for dynamic compression and tension experiments by Kocian, Lukáš; Falta, Jan; Krčmářová, Nela; Fíla, Tomáš; Šleichrt, Jan (2025) - Data from all the sensors are processed in the MAT- LAB software using a set of in-house developed func- tions for evaluation of Hopkinson bar experiments. Dynamic penetration of cellular solids: Experimental investigation using Hopkinson bar and computed tomography. Keywords: bar; bars; dynamic; figure; hopkinson; impact; results; strain; system; testing
• DEFORMATION CHARACTERISTICS OF CHOPPED FIBRE COMPOSITES SUBJECTED TO QUASI-STATIC TENSILE LOADING by Šleichrt, Jan; Adorna, Marcel; Neühauserová, Michaela; Fenclová, Nela; Petráňová, Veronika (2016) - Inspection of post impact fatigue damage in carbon fibre composite using modulus mapping technique. Keywords: chopped fibre composites, full-field measurement, digital image correlation. Keywords: deformation; fibre; loading; material; pellets; strain
• THERMO-VISCOELASTIC CHARACTERIZATION OF POLYMER LAMINATE FILMS by Truszkiewicz, Eliza; Tscharnuter, Daniel; Pilz, Gerald (2016) - Coated laminate film. Introduction The material investigated in this study is laminate film composed of a blend of polycarbonate and acryloni- trile butadiene styrene (PC-ABS) and polyethylene terephthalate (PET). Keywords: film; laminate; strain; temperature
• 1D HERMITE ELEMENTS FOR C1-CONTINUOUS SOLUTIONS IN SECOND GRADIENT ELASTICITY by Liebold, Christian; Müller, Wolfgang H. (2016) - Couple stress based strain gradient theory for elasticity. This is considered to be an important quality in second gradient theories. Keywords: element; gradient; ijk; material; size; strain; theory; 𝑥/𝐿
• PARAMETERS AFFECTING THE STRUCTURAL ANALYSIS OF A TUNNEL STRUCTURE EXPOSED TO FIRE by Pouran, Omid; Harte, Reinhard; Peter, Carsten (2016) - Further, the maximum value of thermal strains for PP fibres concretes is lower compared to the EN 1992-1-2 curve. The lower value of maximum thermal strain for PP fibres concrete is due to a smaller crack divisions at PP fibres concrete and composition of less internal stress. Keywords: analysis; concrete; fibres; fire; strain; tunnel
• ASSESSMENT OF 2D-DIC STOCHASTIC PATTERNS by Antoš, Jakub; Nežerka, Václav; Somr, Michael (2017) - Study of optimal subset size in digital image correlation of speckle pattern images. Keywords: digital image correlation, stochastic pattern, full-field displacement. Keywords: assessment; correlation; dic; image; measurement; mechanics; pattern; size; speckle; strain; subset; texture
• TESTING OF HYBRID NICKEL-POLYURETHANE FOAMS AT HIGH STRAIN-RATES USING HOPKINSON BAR AND DIGITAL IMAGE CORRELATION by Adorna, Marcel; Zlámal, Petr; Fíla, Tomáš; Falta, Jan; Felten, Markus; Fries, Michael; Jung, Anne (2018) - Representative median value of the correla- tion coefficient plotted against strain for three selected experiments (test 270 - short sample at low strain rate, test 285 - short sample at high strain rate, test 317 - long sample at high strain rate) 3.2. 1500 s−1 , high strain rate ca. Keywords: correlation; dic; foams; hybrid; image; rate; sample; shpb; strain
• MODELING OF MONOCRYSTALLINE MAGNESIUM MICROBEAM BENDING by Němeček, Jiří; Maňák, Jan; Němeček, Jiří (2018) - Deformed shape and axial stress (X axis) at critical displacement of 2 µm with uninformed wireframe of D cantilever beam. SEM images of fabricated micro beam with C crystal orientation: side view (top) and front view (bottom). from 3.5 to 5 µm. Keywords: cantilever; crystal; curves; displacement; figure; strain; twinning
• THE EFFECT OF NOTCHES ON THE FATIGUE LIFE OF A NICKEL-BASE GAS TURBINE DISK MATERIAL by Eriksson, Robert; Moverare, Johan; Chen, Zhe; Simonsson, Kjell (2018) - Fatigue life is de- scribed in terms of the modified SWT parameter, σmax∆εp/2. Fatigue life model for smooth specimens Since mean stresses may not entirely relax (especially at 450 °C for low load levels), the Smith-Watson- Topper (SWT) parameter Keywords: distance; eqn; fatigue; life; notch; specimens; strain; stress
• THERMO-MECHANICAL FATIGUE ANALYSIS OF A STEAM TURBINE SHAFT by Nesládek, Martin; Jurenka, Josef; Bartošák, Michal; Růžička, Milan; Lutovinov, Maxim; Papuga, Jan; Procházka, Radek; Džugan, Jan; Měšťánek, Petr (2018) - The goal of the work presented in this paper was to provide a computational framework applicable to the thermo-mechanical fatigue (TMF) prediction of steam turbine shafts. The paper describes the approach to prediction of thermo- mechanical fatigue of steam turbine shafts. Keywords: damage; fatigue; material; shaft; steam; strain; stress; temperature; thermo; tmf; turbine
• EVALUATION OF HOPKINSON BAR EXPERIMENTS USING MULTIPLE DIGITAL IMAGE CORRELATION SOFTWARE TOOLS by Adorna, Marcel; Brodner, Stefan; Falta, Jan; Zlámal, Petr; Fíla, Tomáš (2019) - Verification of reliability of custom made DIC software tool is presented. Sin- gle nodal point analysis was carried out for further proving that our custom developed DIC software tool 4 vol. Keywords: bar; correlation; dic; image; specimens; strain; tool
• MULTIAXIAL INVESTIGATION OF PVC FOAMS AND ANALYSIS OF THE DEFORMATION MECHANISM BY 3D-DIC by Concas, Francesca; Diebels, Stefan; Jung, Anne (2019) - This feature was observed also in pure tensile tests, whereas the gathering of deformation bands in two diametrically opposed wedges of the specimen was visible also in pure torsion tests and combined compression-torsion tests. Hence, the increasing percentage of the axial failure load, either tension or compres- sion, combined with a torsional load caused a lower failure limit in comparison to pure torsion tests. Keywords: compression; deformation; failure; specimen; strain; tension; tests; torsion
• COMPRESSIVE PROPERTIES OF AUXETIC STRUCTURES WITH CONTROLLED STIFFNESS OF STRUT JOINTS by Doktor, Tomáš; Fíla, Tomáš; Koudelka, Petr; Kytýř, Daniel; Jiroušek, Ondřej (2019) - With higher reinforcement in the joints, results showed increasing stress at the first collapse (ultimate compressive stress) while the strain at the first collapse remained unchanged. More- over, to assess the influence of joints’ stiffness on the mechanical behaviour, ultimate compressive stress of the tested structures was evaluated as well as strain corresponding to the first plastic collapse. Keywords: collapse; joints; loading; strain; stress; structures
• NUMERICAL MODELLING OF WAVE SHAPES DURING SHPB MEASUREMENT by Dvořák, Radim; Koudelka, Petr; Fíla, Tomáš (2019) - Length, diameter and impacting velocity were varied parameters and evaluation of their influence on shape of stress pulse was analyzed. The length of the pulse slightly incrreases with longer pulse shaper (see Figure 10). Keywords: bar; figure; influence; pulse; shaper; strain; wave
• DIRECT MEASUREMENT OF REACTION FORCES DURING FAST DYNAMIC LOADING by Falta, Jan; Adorna, Marcel; Fíla, Tomáš; Zlámal, Petr (2019) - Therefore, it is not possible to reach higher precision with load cell than with strain gauges. The overall signal-to- noise ratio with used instrumentation is significantly lower for load cell signal. Keywords: bar; cell; force; gauges; load; strain
• STRAIN-RATE AND PRINTING DIRECTION DEPENDENCY OF COMPRESSIVE BEHAVIOUR OF 3D PRINTED STAINLESS STEEL 316L by Neuhäuserová, Michaela; Koudelka, Petr; Falta, Jan; Adorna, Marcel; Fíla, Tomáš; Zlámal, Petr (2019) - At quasi-static loading conditions, only a minor effect of this char- acteristic of SLS printed material was noticed. Specimens for Quasi-static Experiments The specimens for quasi-static experiments had cylin- drical shape with diameter of 5 mm and height of 10 mm. Keywords: experiments; printing; quasi; specimens; strain
• DEFORMATION RESPONSE OF POLYDIMETHYLSILOXANE SUBSTRATES SUBJECTED TO UNIAXIAL QUASI-STATIC LOADING by Vinarský, Vladimír; Martino, Fabiana; Forte, Giancarlo; Šleichrt, Jan; Rada, Václav; Kytýř, Daniel (2019) - An in-house developed loading device with single micron position tracking accuracy and sub-micron position sensitivity was adapted for this experimental campaign. For further analysis focused on dynamic testing sim- ulating physiological processes new voice coil based loading device will be developed for cyclic loading of proposed materials with frequency Keywords: behaviour; deformation; device; loading; material; sample; strain; sylgard
• MECHANICAL TESTING AND NUMERICAL MODELLING OF POROUS STRUCTURES IMPROVING OSEINTEGRATION OF IMPLANTS by Vakrčka, Petr; Jíra, Aleš; Hájková, Petra (2020) - Gyroid structures number 1, 2 and 3 fulfilled the criterion for bone ingrowth accord- ing to the literature, gyroid structure number 4 was slightly out of range. The design of 6 types of trabecular and 4 types of gyroid structures is part of the study. Keywords: bone; gyroid; gyroid structures; modulus; strain; stress; structures
• COMPARING MORI-TANAKA METHOD AND FIRST-ORDER HOMOGENIZATION SCHEME IN THE VISCOELASTIC MODELING OF UNIDIRECTIONAL FIBROUS COMPOSITES by Valentová, Soňa; Šejnoha, Michal; Vorel, Jan (2020) - On the contrary, the contrast in material properties of the fiber and matrix in the transverse plane is relatively small in case of carbon fibers as oppose to basalt fibers. Test of SEPUC applicability: (a-b) creep test - time variation of macroscopic strains due to pre- scribed macroscopic stresses Σxx, Σyy, (c-d) relaxation test - time variation of macroscopic stresses due to prescribed macroscopic strains Exx, Eyy 0 60 120 180 240 300 360 Time Keywords: fiber; material; matrix; method; mori; strain; stress; tanaka; time
• NANOINDENTATION AND ACCELERATED PROPERTY MAPPING OF PORTLAND CEMENT PASTE by Němeček, Jiří; Němeček, Jiří; Lukeš, Jaroslav (2020) - Compressive behaviour of concrete at high strain rates. After parameters were identified, the same set of parameters was used for XPM loading (speed = 20.0 mN/s). Keywords: modulus; nanoindentation; rate; strain; xpm
• COMPARISON OF TWO TECHNIQUES FOR EVALUATING SPHERICAL INDENTATION DATA by Materna, Aleš; Haušild, Petr; Ondráček, Jan (2020) - New analytical procedure to determine stress-strain curve from spherical indentation data. Two techniques of spherical indentation data evaluation where D is the indenter diameter, and δ is the con- straint factor. Keywords: 15kh2mfa; figure; indentation; material; steel; strain; stress
• MECHANICAL PROPERTIES OF FORGED TUNGSTEN HEAVY ALLOYS by Kovářík, Ondřej; Čech, Jaroslav; Čapek, Jiří; Hajíček, Michal; Klečka, Jakub; Siegl, Jan (2020) - Local properties of W particles and Ni matrix of two investigated material tempers: instrumented nanohardness HIT , indentation modulus EIT , longitudinal and isotropic residual strains εl, εrot in W particles and Ni rich matrix. The results of residual strain measurement by X-ray diffraction are summarized in table 3. Keywords: crack; figure; indentation; matrix; particles; properties; strain; tungsten
• FINITE ELEMENT IMPLEMENTATION OF GEOMETRICALLY NONLINEAR CONTACT by Faltus, Ondřej; Horák, Martin (2021) - Moreover, contact conditions introduce essentially a new set of boundary conditions into the task. Contact conditions are introduced between the lower edge of the beam and the upper edge of the can- tilever below. Keywords: contact; element; method; node; oofem; penalty; segment; strain
• LOCALIZATION ANALYSIS OF DAMAGE FOR ONE-DIMENSIONAL PERIDYNAMIC MODEL by Mikeš, Karel; Jirásek, Milan; Zeman, Jan; Rokoš, Ondřej; Peerlings, Ron H. J. (2021) - Results for critical strain linearly decreasing with link length: final damage profile (top left), positions and lengths of broken links (bottom left), and normalized force-displacement diagram where the elastic part of the displacement has been subtracted (right). observed, while with an increasing number of nodes, the macroscopic response tends to a smooth curve. Results for critical strain linearly increasing with link length: final damage profile (top left), positions and lengths of broken links (bottom left), and normalized force-displacement diagram where the elastic part of the displacement has been subtracted (right). Keywords: damage; displacement; force; links; nodes; strain
• CONSIDERATIONS FOR BRITTLENESS IN TAILINGS by Herza, Jiří; Singh, Ryan (2022) - Because of the major differences between the described processes leading to the reduction of the soil’s ability to resist shear stress, it is proposed that shear resistance loss caused the irreversible change of the soil’s structure as described by Bishop (1967) and others be referred to as structural brittleness. In comparison, shear resistance is hereby defined as the ability of a soil to withstand shear stress under a given set of conditions. Keywords: brittleness; failure; loss; shear; shear resistance; shear strength; soil; strain; stress; tailings
• Comparison between concrete stress diagrams according to the Brazilian standard ABNT NBR 6118: 2014 by Oliveira, Victor Hugo Dalosto de; Carvalho, Rodolfo Alves; Borges, Luana Ferreira; Martins, Paulo Chaves de Rezende; Neves, Rodolfo Rabelo; Siqueira, João Paulo de Almeida; Oliveira, Gabriel Yves da Silva; Anhaia, Cintia Adriana Azevedo de Liz (2022) - Initially, it should be emphasized that the use of stress diagrams does not apply to line a and domain 1, since there are no compressive stresses in concrete, and its tensile stresses are neglected at the ultimate limit state. While the section is in subdomain 2a, concrete stresses are less than 0.85 fcd. Keywords: concrete; diagram; domains; section; strain; stress
• Influence of microstructure on rate-dependent response of unidirectional fibrous composites by Valentová, Soňa; Šejnoha, Michal; Vorel, Jan; Prošek, Zdeněk (2022) - The present results also suggested that application of the PHA model [1], generally accepted for random fibrous composites with high volume fraction of fibers, should be approched with caution. Basalt composite with minimal stiffness, time = 50 s: a) Keywords: basalt; carbon; composites; figure; shear; strain
• Experimental evaluation of aluminothermic welds by Zeman, Lukáš; Valach, Jaroslav; Zlámal, Petr; Krčmářová, Nela; Koudelková, Veronika; Zeman, Jaroslav (2023) - The article presents a study of the mechanical processes occurring during the aluminother- mic reaction using experimental methods (strain gauges, digital image correlation, thermography, scanning electron microscopy, profilometry). Experimental methods To describe the strain and changes in the structure during the AT process, several experimental methods were used. Keywords: experimental; figure; hardness; measurement; metal; method; process; profile; reaction; strain; surface; temperature; welding
• Mechanical properties of basalt: a study on compressive loading at different strain rates using SHPB by Falta, Jan; Krčmářová, Nela; Fíla, Tomáš; Vavro, Martin; Vavro, Leona (2023) - Keywords: SHPB, basalt, compressive loading, dynamic loading. Incident bar in contact with specimen In this case, it was the standart placement of the spec- imen for the SHPB assembly, so that the specimen is sandwiched between the incident and transmission bars. Keywords: bar; basalt; incident; loading; rate; specimen; strain; s−1
• Fast continuous in-situ XCT of additively manufactured carbon fiber reinforced tensile test specimens by Glinz, Jonathan; Maurer, Julia; Holzleitner, Martin; Pace, Francesco; Stamopoulos, Antonios; Vopálenský, Michal; Kumpová, Ivana; Eckl, Michael; Kastner, Johann; Senck, Sascha (2023) - To investigate the bonding quality within additively manufactured (AM) continuous fiber reinforced specimens, tensile tests have been performed which revealed a sudden reduction in tensile stress, that most likely was not related to actual rupture of continuous fibers. Consequently, within this work we will expand upon these findings and present results of fast on-the-fly in-situ investigations performed on continuous carbon fiber reinforced specimens of the same AM build. Keywords: fiber; figure; quality; scan; specimens; strain; tensile; xct
• Response of the ultra high performance concrete under dynamic compressive loading by Krčmářová, Nela; Falta, Jan; Fíla, Tomáš; Čítek, David (2023) - This is a 174 % and 237 % in- crease for low velocity and high velocity, respectively. strain rate was 4 bar and for higher strain rate was 8 bar, respectively. Keywords: bar; experiments; figure; strain; uhpc; velocity
• Local defect formation in short glass fibre reinforced polymers – micro-mechanical simulations and interrupted in-situ experiments by Maurer, Julia; Krölling, Denise; Salaberger, Dietmar; Jerabek, Michael; Kastner, Johann; Major, Zoltán (2023) - Re- cent research on fibre reinforced materials using DVC has shown that the composite architecture contributes to sample failure at the mesoscale [5–7]. As the critical length is a function of the interfacial shear strength, it will influ- ence the defect behavior (whether a fibre pull-out or fibre fracture occurs). Keywords: fibre; figure; fracture; length; ray; strain; tomography; volume

• About the choice of Tungsten carbide indenter to determine mechanical properties of superalloys by using high-temperature microhardness tester by Passilly, Bruno; Kardache, Amélie (2024) - Ph.D. thesis, l’Université de Technologie de Compiègne, 2017. 87 https://doi.org/10.1016/S1270-9638(99)00108-X https://doi.org/10.1557/JMR.1992.1564 https://doi.org/10.1016/j.apmt.2021.101126 https://doi.org/10.1051/mattech/2023021 https://doi.org/10.14311/APP.2020.27.0160 https://doi.org/10.1063/1.4824710 https://doi.org/10.1016/j.diamond.2010.07.004 https://doi.org/10.1016/j.cossms.2015.02.002 https://doi.org/10.1557/s43578-021-00107-7 https://doi.org/10.1016/j.matdes.2020.108727 https://doi.org/10.1088/0508-3443/7/5/301 https://doi.org/10.1016/j.jnucmat.2004.09.024 Acta Polytechnica CTU Proceedings 50:81–87, 2024 1 Introduction 2 High-temperature hardness tester and indenters 2.1 High-temperature hardness tester 2.2 Indenter choice for high temperature tests 2.2.1 Indenter materials principles 2.2.2 Indenter holders 3 Results on superalloy 3.1 Generalities about superalloy 3.2 Hardness relationship 3.3 Hardness versus applied load on Ni-based superalloy 3.4 Hardness versus temperature on Ni-based superalloy 3.5 Mechanical resistance 3.6 Keywords: High temperature, hardness, superalloy, mechanical resistance, indenter, Ni-based superal- loy. Keywords: figure; hardness; indenter; superalloy; temperature; tip
• IDENTIFICATION OF DAMAGED ZONES IN C/PPS SPECIMENS SUBJECTED TO FATIGUE LOADING BASED ON HIGH-RESOLUTION THERMOGRAPHY by Koudelka, Petr; Kytýř, Daniel; Fenclová, Nela; Šperl, Martin (2016) - Evolution of identified heated area dur- ing mean temperature of specimen during 6.5 ± 6 kN loading. images heated areas were calculated together with specimen/background temperature ratio and plotted against number of loading cycles. Thus, primary goal of this study was to identify lowest possible stress level for reliable assessment of the damage in low number of loading cycles. Keywords: area; cycles; damage; loading; temperature
• DETERMINATION OF THERMAL RESPONSE OF CARRARA AND SNEZNIKOVSKY MARBLE USED AS A BUILDING MATERIALS by Petráňová, Veronika; Valach, Jaroslav; Viani, Alberto; Estébanez, Marta Peréz (2016) - Relationship between microstructure and bowing properties of calcite marble claddings. Orientation of cuboid specimens, A-a and B-a is Sneznikovsky marble and C-1 and C-4 is Carrara marble. Keywords: calcite; expansion; marble; specimen; stone; temperature
• POST CRITICAL HEAT TRANSFER AND FUEL CLADDING OXIDATION by Caha, Vojtěch; Krejčí, Jakub (2016) - It includes the wide range of heat transfer correlations for different one phase and two phase flow regimes. A list of chosen post CHF heat transfer correlations and their validity ranges are shown in Table 1. Keywords: boiling; cladding; correlation; flux; fuel; heat; post; temperature; transfer
• QUENCH FRONT PROPAGATION IN THE ANNULAR CHANNEL by Stepanek, Jan; Blaha, Vaclav; Dostal, Vaclav (2016) - Quench front velocity on initial wall temperature. But many of these experiments were done for short geometries with limited range of initial wall temperatures [6]. Keywords: heat; quench; temperature; tube; wall
• HYDROGEN CHARGING OF FUEL CLADDING METHODOLOGY by Krejčí, Jakub; Kabátová, Jitka; Kočí, Jan; Weishauptová, Zuzana; Vrtílková, Věra (2016) - The methodology of hydrogen charging developed in UJP is described in this contribution. The presented study shows the methodology of hydrogen charging developed in UJP. Keywords: annealing; charging; hydrides; hydrogen; pressure; sample; temperature
• EVALUATION METRICS APPLIED TO ACCIDENT TOLERANT FUEL CLADDING CONCEPTS FOR VVER REACTORS by Sevecek, Martin; Valach, Mojmir (2016) - The main cur- rent metric for fuel system performance is that the cladding should maintain post-quench ductility by lim- iting the peak cladding temperature to 1204 ◦C and the maximum oxidation level to 17 % of the cladding wall thickness. Keywords: nuclear fuel, accident tolerant fuel, evaluation metrics, LWR, VVER. Keywords: accident; atf; attributes; behavior; cladding; conditions; evaluation; fuel; metrics; oxidation; performance; system; temperature
• MEASUREMENT METHODS OF INTERNAL STRESS IN CONTINUOUS WELDED RAIL by Vnenk, Petr; Culek, Bohumil (2017) - Vibration measurement of rail stress, 2006. The Calibrated length of rail method for measuring rail temperature stress. Keywords: effect; magnetic; measurement; method; rail; research; stress; surface; temperature
• TEMPERATURE OF SOIL MONITORED AT EXPERIMENTAL SITES IN PERM REGION (RUSSIA) by Ponomaryov, Andrey; Zakharov, Aleksandr (2017) - The paper presents the monitoring results for soil temperatures in the geological and climatic conditions of the city of Perm (Russia). Soil temperatures in September 2015 are explained by abnormally low outside temperatures in summer 2015. Keywords: monitoring; site; soil; temperature
• COUPLED SIMULATION FOR FIRE-EXPOSED STRUCTURES USING CFD AND THERMO-MECHANICAL MODELS by Šulc, Stanislav; Šmilauer, Vít; Wald, František (2017) - Temperature field from FDS was validated previ- ously [7], performance of structure elements presents a consecutive step. Coarse FDS mesh can be refined in areas where structure elements occur. Keywords: fds; figure; fire; oofem; temperature
• VALIDATION OF LINKED SIMULATION FOR FIRE-EXPOSED CONCRETE STRUCTURES by Šulc, Stanislav; Šmilauer, Vít; Wald, František (2018) - This article presents linked computational approach for fire simulation and its effects on structure using adiabatic surface temperature. Results Visualization of temperature field provides Fig. 13 at the time of 7200 s. Keywords: cfd; concrete; figure; fire; surface; temperature
• THE PHYSICAL PROPERTIES OF CEMENTITIOUS COMPOSITES FOR APPLICATIONS IN A HIGH-TEMPERATURE ENERGY STORAGE DEVICE by Šťastník, Stanislav; Bodnárová, Lenka (2019) - Keywords: Cementitious composite, thermal conductivity, volume heat capacity, specific heat capacity, carbon nanotube. These thermal accumulation characteristics are determined by physical thermal characteristics including, in particular, the specific heat capacity and thermal conductivity. Keywords: capacity; conductivity; heat; heating; storage; temperature; wire
• COATED CLADDING BEHAVIOR DURING HIGH-TEMPERATURE TRANSIENTS by Chalupová, Adéla; Krejčí, Jakub; Cvrček, Ladislav; Ševeček, Martin; Rozkošný, Vojtěch; Přibyl, Antonín; Halodová, Patricie; Gávelová, Petra (2019) - The studied specimens are based on Zr-1%Nb substrate with chromium coating, multicomponent chromium nitride and chromium coating and multi-layer chromium nitride/chromium coating deposited by a physical vapor deposition process. Pure chromium coatings were prepared in 9 http://dx.doi.org/10.14311/APP.2019.24.0009 http://ojs.cvut.cz/ojs/index.php/app A. Chalupová, J. Krejčí, L. Cvrček et al. Keywords: burst; chromium; cladding; coatings; deformation; specimens; temperature
• RESIDUAL HEAT ESTIMATION OF NUCLEAR FUEL IN ENERGY WELL REACTOR by Šošková, Jana; Dambrosio, Antonio; Mazzini, Guido; Ruščák, Marek (2019) - Residual heat estimation of EW fuel assembly is conducted using two different computation codes, SCALE and SERPENT. Geometry of EW fuel assembly in SCALE. Keywords: assembly; fuel; heat; power; reactor; scale; serpent; temperature
• EXPERIMENTAL STUDY OF DAMAGED CR-COATED FUEL CLADDING IN POST-ACCIDENT CONDITIONS by Červenka, Petr; Krejčí, Jakub; Cvrček, Ladislav; Rozkošný, Vojtěch; Manoch, František; Rada, David; Kabátová, Jitka (2020) - Therefore, the cladding is locally not being protected from the accel- erated oxidation process when high temperatures are reached. The structure of Zr cladding without Nb (such as Zry-4) is shown in Figure 6, the difference in the presence of the layer containing both α-Zr(O) and β-Zr grains is evident. Keywords: cladding; coating; figure; oxidation; scratch; specimens; temperature
• HIGH-TEMPERATURE OXIDATION OF CHROME-NICKEL ALLOY by Chalupová, Adéla; Steinbrück, Martin; Grosse, Mirco; Krejčí, Jakub; Ševeček, Martin (2020) - Keywords: ATF, Cr-Ni, fuel cladding, high-temperature oxidation, LOCA, nuclear fuel. Chemical composition of Cr-Ni alloy 2.2. Keywords: alloy; figure; oxidation; rate; steam; temperature; ° c
• Equivalent thermal diffusivity of natural and recycled aggregate concrete at temperature up to 350 ⁰C by Hager, Izabela; Mróz, Katarzyna; Tracz, Tomasz; Kočí, Václav; Fiala, Lukáš (2022) - [12] for both samples with re- cycled aggregates RAC 50% and RAC 100% shows thatthe thermal diffusivity values are mostly below both the upper and lower limits given in EC2. Thermal diffusivity was evaluated based on the temperature measurements made on cylindrical samples using so-called inverse tech- nique. Keywords: aggregates; concrete; diffusivity; fire; properties; rac; temperature
• Steel elements with timber fire protection - experiment and numerical analysis by Šulc, Stanislav; Šejna, Jakub; Šmilauer, Vít; Wald, František (2022) - Temperature comparison of the unpro- tected and protected steel beams. Displacement comparison of the unpro- tected and protected steel beams. Keywords: beam; figure; fire; steel; temperature; timber
• Specifying boundary conditions for the operation of pipe heating systems with impact on the building energy balance by Spurný, Jakub; Kabrhel, Michal (2022) - One of the boundary conditions addressed is the effect of heating water temperature on the pressure loss in piping systems commonly known calculation for the total pressure loss is the sum of the pressure loss through the inserted resistances and the frictional 484 vol. Therefore, a comparison of the pressure losses at heating water temperatures from 75 °C to 30 °C at a step of 5 °C was made. Keywords: flow; heating; room; temperature; water
• Increasing thermal protection with use of green roof by Juras, Peter (2022) - The use of green roof is a great choice in case of climate change mitigation and reduction of urban heat islands. Positive aspects of green roofs during winter or the whole year round balance are often overlooked. Keywords: air; figure; green; loss; membrane; roof; snow; surface; temperature
• Verification of window properties after 10 years of exploitation: results of measurements in the pavilion laboratory and the climate chamber by Bartko, Marek; Durica, Pavol (2022) - Window simulation in simulation software In the design and planning process of a building, ther- mal bridges are analyzed for several construction frag- ments, including the window frame detail and the window fitting into the opening. [1], fresh air supply by natural ventilation, contact with the out- doors, etc. With increasing demands for thermal pro- tection, window constructions are constantly evolving. Keywords: chamber; climate; glazing; laboratory; pavilion; surface; temperature; window
• SUBSALS: a subchannel thermal-hydraulic code for IRT type fuel analysis by Adámek, Tomáš (2022) - Almost all predictions of peak cladding temperature calculated using code SUBSALS are conservative, maximal non-conservative error be- ing only 0.36 °C. 4. Mass Conservation: 0 ≡ Si ∆z ( ρni w n i − ρn−1 i wn−1 i ) +Wn i→(i−1) (1) +Wn i→(i+1), where S is subchannel flow area, ∆z is length of axial node, ρ is water density, w is water velocity, Wx→y is diversion crossflow from subchannel x to subchannel y. Energy Conservation: 0 ≡ Si ∆z ( ρni w n i h n i − ρn−1 i wn−1 Keywords: cladding; code; fuel; power; subchanflow; subchannel; subsals; temperature; velocity; water
• Thermomechanical calculation within the HERA programme by Kinkorová, Tereza (2023) - The fuel power increase leads to prompt in- crease in fuel temperature, which further causes rapid thermal expansion of fuel. If the gap is bigger there is more space for fuel thermal expansion and bigger margin to PCMI failure, on the other hand the bigger gap adversely impacts heat transfer and fuel temperature. Keywords: case; cladding; failure; figure; fuel; hydrogen; increase; temperature
• Neutronic analysis of a heat-pipe cooled reactor by Sabol, Josef; Frýbort, Jan (2023) - Keywords: Heat pipe, nuclear reactor, space, neutronic analysis, Serpent 2. 1. Introduction Heat-pipe cooled (HPC) reactors belong to the group of nuclear reactors using heat pipes filled with liquid metals (such as sodium or potassium) to cool the core. Heat-pipe cooled reactors belong to the group of nuclear reactors using heat pipes filled with liquid metals (such as sodium or potassium) to cool the core. Keywords: control; expansion; fuel; heat; pcm; power; reactivity; reactor; temperature
• Analysis of the effect of hydration heat resulting in the formation of cracks on the experimental block of the spillway at Orlik reservoir by Potůčková, Simona; Holý, Milan; Kolísko, Jiří (2024) - The project documentation for the construction of the spillway and experimental block was prepared by the company Aquatis, Ltd. Keywords: Hydration heat, experimental measurements, numerical analysis, spillway. Keywords: block; figure; hydration; standard; temperature

• A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates by Gandhi, Yogesh; Norato, Julián; Pavlovic, Ana; Minak, Giangiacomo (2024) - Optimum stacking sequence design of composite materials Part II: Variable stiffness design. Optimal designs and combined density for the MBB beam. Keywords: bars; density; design; material; optimization; plane; stiffness; topology
• Estimation of mechanical properties of neutron-irradiated 08Ch18N10T steel from hardness testing by Materna, Aleš; Haušild, Petr; Klatovská, Petra (2024) - Measured Vickers hardness in the wall of the core barrel. Computed dependence of Vickers hardness on the dose. Keywords: 08ch18n10; barrel; core; hardness; material; neutron; properties
• MICROSCOPIC EVALUATION OF THE QUALITY OF DENTAL REPLACEMENT by Pešlová, Františka; Koštialiková, Daniela; Veselý, Richard; Dubec, Andrej; Puchnin, Maxim (2017) - Based on the microscopic observations, the pene- tration of ceramic material into the irregular areas of metal originating from the manufacturing process has been identified. Penetration of ceramic material. Keywords: crown; material; metal; replacement; tooth
• EVALUATION OF MICROMECHANICAL PROPERTIES OF CARBON FIBER FABRIC USING NANOINDETATION by Klapálek, Pavel; Prošek, Zdeněk; Jíra, Aleš; Melzerová, Lenka (2017) - Carbon fiber fabric magnified 250×. To prepare samples of carbon fiber fabric for ex- amination on nano/micro level with nanoindentation the polished slices had to be prepared. Fibers are in form of carbon fiber fabric that is used in larger research that is focused on reinforcing beams made of glued laminated timber. Keywords: carbon; fabric; fiber; material; nanoindentation; properties; timber
• INFLUENCE OF RADIATION DAMAGE OF REACTOR INNER COMPONENTS ON THE RESULTS OF INDENTATION TESTS by Ondracek, Jan; Materna, Ales (2018) - Since the irradiated material is scarce, hardness testing, which needs only little testing material compared to other testing meth- ods, might be used to estimate material properties of neutron-irradiated materials. Tensile tests of non- and neutron-irradiated samples with dose of 5.2 dpa conducted in 20°C air environment from [1, 2] were also accompanied by micro hardness tests. Keywords: area; dpa; figure; hardness; indentation; material; neutron
• MODELLING AND SIMULATION OF LATTICE STRUCTURES USING VARIOUS MATERIAL MODELS FOR POLYMERIC MATERIALS by Lehner, Kerstin; Kalteis, Anna; Major, Zoltan (2018) - The aim of the present work was to characterize and compare var- ious modelled regular open cellular materials defined as lattice structures with applied periodic boundary conditions regarding different material models under various loading conditions. In the next section the simulation approaches and results are presented and in the last section a conclusion for various lattice structures and different material models is drawn. Keywords: behaviour; lattice; linear; material; simulations; structure; yield
• MODULUS OF ELASCITY OF UNFIRED RAMMED EARTH by Mužíková, Barbora; Plaček Otcovská, Tereza; Padevět, Pavel (2018) - More over unfired earth building is a hundred per-cent recyclable. The orange areas are the places where unfired earth is a typical building material and white ones are stated in the UNESCO list Keywords: clay; earth; illite; material; modulus; ratio; sand; sets; water
• MECHANICAL AND OPTICAL INVESTIGATION OF LASER WELDED STRUCTURAL STEEL - POLY(METHYL-METHACRYLATE) HYBRID JOINT STRUCTURES by Csizér, Tamás; Temesi, Tamás; Molnár, László (2019) - The latter is usually called laser assisted metal polymer, or LAMP joining for short in publications [14]. Besides searching for compatible metal and polymer material pairs, a considerable amount of effort is made to convert and optimise existing joining technologies that can be au- tomatized (for example friction stir welding [1–3], ultrasonic welding [4–6], laser welding [7–10], and also a combination of laser and ultrasonic welding [11]) to make them suitable for the mass production of integrated structures made from dissimilar materi- als. Keywords: joining; joints; laser; material; metal; pmma; polymer; process; specimens; steel; welding
• EXPERIMENTAL INVESTIGATION AND SIMULATION OF 3D-PRINTED LATTICE STRUCTURES by Heiml, Eva; Kalteis, Anna; Major, Zoltan (2019) - Lattice structures are currently of high interest, especially for lightweight design. Keywords: Lattice structures, additive manufacturing, mechanical testing, finite element analysis. Keywords: figure; lattice; material; octet; simulation; structures
• X-RAY MICRO-TOMOGRAPHY CHARACTERIZATION OF VOIDS CAUSED BY THREE-POINT BENDING IN SELECTED ALKALI-ACTIVATED ALUMINOSILICATE COMPOSITE by Kumpová, Ivana; Rozsypalová, Iva; Keršner, Zbyněk; Rovnaníková, Pavla; Vopálenský, Michal (2019) - Experimental investigations of fracture process in concrete by means of x-ray micro-computed tomography. On-the-fly fast x-ray tomography using a cdte pixelated detector - application in mechanical testing. Keywords: bending; figure; fracture; material; parameters; point; ray; specimen; surface
• THE INFLUENCE OF THE USE OF RECYCLED GYPSUM ON THE PROPERTIES OF GYPSUM PRODUCTS IN LABOR CONDITIONS by Sekavová, Hana; Herrmann, Jakub; Prošek, Zdeněk; Nyč, Miroslav; Karra’a, George (2020) - Polytechnica CTU Proceedings 26:81–85, 2020 © Czech Technical University in Prague, 2020 available online at https://ojs.cvut.cz/ojs/index.php/app THE INFLUENCE OF THE USE OF RECYCLED GYPSUM ON THE PROPERTIES OF GYPSUM PRODUCTS IN LABOR CONDITIONS Hana Sekavováa,b,∗, Jakub Herrmanna, Zdeněk Prošeka, Miroslav Nyčb, George Karra’ac a Czech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech Republic b KNAUF Praha spol. 84 vol. 26/2020 Reuse of recycled gypsum 4. Keywords: figure; gypsum; material; properties; stucco; water
• ON THE DESIGN OF COATING SYSTEM USING NANOMECHANICAL EXPERIMENTS by Mercier, David; Fredriksson, Claes (2020) - The case of homogeneous coatings The first example of material coating selection is about substrate surface durability and improvement by elab- orating sol-gel coatings on glass and steel samples [22]. Selection maps help engineer coatings by linking coating performance with its structure, material prop- erty and the coating process (elaboration and surface treatment). Keywords: coating; design; failure; material; properties; property; resistance; selection; surface
• NANOINDENTATION OF HYDROGEN ENRICHED Zr-1Nb ZIRCONIUM ALLOY NUCLEAR FUEL CLADDINGS by Libera, Ondřej; Halodová, Patricie; Gávelová, Petra; Krejčí, Jakub (2020) - 0.5 GPa increase in overall hardness between hydrogen enriched samples in both states. Nanoindentation is an effective tool for analysis of the change of mechanical properties of hydrogen enriched Zr claddings from localised material volume. Keywords: hardness; hydrides; hydrogen; material; nanoindentation; ppm; sample
• SIMULATION OF T-JOINTS BETWEEN RHS STEEL MEMBERS WITH OFFSET IN ABAQUS CAE by Kalmykova, Svitlana (2021) - Thus, weld was employed in FE models of offset joints. The aim of the current study is to present a prac- tical numerical simulation guideline for offset joints and connections using Abaqus CAE. 2. Keywords: abaqus; brace; element; joints; material; models; offset
• Detection of the presence of microorganisms during production of plasterboard by Sekavová, Hana; Prošek, Zdeněk; Karra’a, George (2022) - Introduction The massive expansion of use gypsum plasterboards in Czech Republic started in 1990s. The influence of the use of recycled gypsum on the properties of gypsum products in labor conditions. Keywords: gypsum; material; plasterboards; production; stucco; use
• The potential use of giant reed from Portugal as a thermal insulation material by Malheiro, Raphaele; Morilla, Aurora; Ansolin, Adriana; Fernandes, Jorge; Silva, Sandra; Mateus, Ricardo (2022) - Giant reed board prototype as insulation material The results presented in Section 4 show a satisfac- tory thermal performance for the giant reed board prototypes, regardless of the region from where the reeds were harvested. Keywords: Giant reed, thermal insulation material, natural material, low cost, sustainability. Keywords: board; giant; insulation; material; performance; portugal; prototype; reed
• Effect of preparation process on purity of tricalcium aluminate by Ravaszová, Simona; Dvořák, Karel; Jančíková, Andrea (2024) - 47/2024 Effect of preparation process on purity of tricalcium aluminate SiO2 Al2O3 Fe2O3 CaO MgO Na2O3 K2O SO3 TiO2 MnO Sum. steel 0.0 36.522 0.21 63.268 0.0 0.0 0.0 0.0 0.0 0.0 100.0 corundum 0.0 37.109 0.0 62.891 0.0 0.0 0.0 0.0 0.0 0.0 100.0 Table 2. XRF analysis: chemical composition of raw material mixture after milling. A better understanding of all the mechanisms involved in C3A formation and hydration requires the ability to prepare pure C3A. [1] There are several different procedures for the prepa- ration of tricalcium aluminate by the solid-state syn- thesis, but they all involve the following steps: • Preparation of raw materials: raw materials such as limestone and corundum are usually first ground into small particles. Keywords: c3a; capsule; corundum; material; purity

• Ways to identify factors contributing to the occurrence of road traffic accidents by Abishev, Kairatolla K.; Baltabekova, Almagul N.; Kassenov, Assylbek Zh.; Mukanov, Ruslan B.; Assylova, Karlygash B. (2024) - On the basis of statistical studies, the main factors most fully reflecting the process of occurrence of road traffic accidents were identified. When studying the factors influencing the occur- rence of road traffic accidents (RTA), the reliability of the system Ps depends on the degree of influence of each element, which in general can be expressed as a derivative of the probability of failure-free operation of the car Pc, the driver Pd and the road Pr Keywords: accident; driver; factors; occurrence; road; safety; system; traffic
• Complex system testing based on API by Sliacky, Milan; Kacar, Lukáš (2024) - Blockchain payment system and supporting systems. and mobile application subsystem. The testing was carried out according to the design, and many errors were revealed in most of the tested subsystems (blockchain payment system, clearing, and mobile app subsystem) in the form of a pilot plant. Keywords: api; blockchain; micro; mobile; node; system; testing; tests; transactions
• Implementation of a hydrogen fuel cell in a small urban vehicle by Cenkner, Michal; Toman, Premysl; Svoboda, Josef (2025) - Hydrogen fuel cells (HFCs) are another possible alternative, offering longer range and shorter refueling times while maintaining zero local emissions. Therefore, the direction that has been chosen for this application, and fits with the idea of integration pos- sibility to BEV, is to integrate hydrogen fuel cells as range extender. Keywords: battery; cell; figure; fuel; hydrogen; pemfc; power; powertrain; simulation; system; urban; vehicle
• Data Analysis of Globular Cluster Harris Catalogue in View of the King Models and Their Dynamical Evolution. I. Theoretical model by Merafina, Marco; Vitantoni, Daniele (2014) - On the other hand, the observations of the lumi- nosity profiles of different GCs (King, 1962) show sim- ilar curves depending only on different values of the star concentration, giving the possibility to fit them by an empirical law and suggesting a unique distribution function for the whole sample of clusters (King, 1966). Figure 1: Mass in function of W0 for families of solu- tions at different values of the velocity dispersion (Mer- afina & Ruffini, 1989). Keywords: distribution; potential; system; value
• Transient Processes in a Binary System with a White Dwarf by Kononov, D. A.; Bisikalo, D. V.; Puzin, V. B.; Zhilkin, A. G. (2015) - In Section 3, based on the results of gas dynamic simulations we consider a physical model of the formation of the humps in orbital light curves of WZ Sge stars. Another model, mentioned, for instance, by Wolf (1998) and Silvestri et al., (2012) supposes that the stream from the inner Lagrangian point may over- flow the disk after it ricochets on the disk rim and forms an additional hot spot at the opposite side of the disk, i.e. two hot spots give two humps in the light curve. Keywords: density; disk; shock; system; wave
• ON FPGA BASED ACCELERATION OF IMAGE PROCESSING IN MOBILE ROBOTICS by Cížek, Petr; Faigl, Jan (2015) - Feature based methods consist of three stages. On FPGA Based Acceleration of Image Processing in Mobile Robotics of the selected image processing techniques suitable for embedded computation of the visual navigation task implemented on a conventional on-board plat- form and a dedicated solution based on FPGA pro- cessing of the image data. Keywords: algorithm; cpu; detection; feature; fpga; image; implementation; mobile; navigation; power; processing; system; vision
• RECONNAISSANCE MICRO UAV SYSTEM by Gabrlik, Petr; Kriz, Vlastimil; Zalud, Ludek (2015) - The block scheme of Uranus UAV system. Uranus UAV during a flight. Keywords: axis; control; controller; mode; quadrotor; robot; system; uav; uranus
• ON EFFICIENT OPERATIONAL CONCEPT OF FUTURE HIGH-SPEED RAILWAY IN THE CZECH REPUBLIC by Drábek, Michal (2016) - This aim can be achieved by two means: as little number of PuT lines as reasonable, and as little number of trainsets per PuT line as reasonable. One of the results is a netgraph (scheme of PuT lines with ar- rival and departure minutes in node stations). Keywords: brno; concept; czech; lines; min; praha; speed; system; time; travel
• TRAFFIC MANAGEMENT SYSTEM IN TERMS OF DATA EXCHANGE by Kamenický, Dušan (2016) - Automatic train control system, which is designed to eliminate human error, can be supplemented by automatic train operation system or driver advisory system. The aim of dispatching is at close approximation to scheduled state, from which railway system has been deflected by external influences. Keywords: infrastructure; railway; subsystem; system; technical; train
• SELECTED ASPECTS OF ETCS-L3 DEPLOYMENT by Koutecký, Petr (2016) - Only the con- nection and fulfillment of all three requirements above at the same time gives us the opportunity to fully start taking advantage of ETCS L3 âĂŞ primarily to use the opportunity to minimize the infrastruc- ture elements (signals, track circuits, axle counters). This paper focuses on selected problem areas in the implementation of ETCS L3, analyz-es their impacts and offers a number of possible solutions as a basis for pilot testing. Keywords: etcs; system; track; train
• CRITICALLITY OF TRANSPORTATION INFRASTRUCTURE IN THE CZECH REPUBLIC by Procházka, Jan; Procházková, Dana (2016) - 3. Transportation System of the Czech Republic In the Czech Republic a transportation network is in essence created from the following areas: railway transport system; road transport system; air trans- port; and water transport. Important parts of transport system 53 Jan Procházka, Dana Procházková Acta Polytechnica CTU Proceedings systems of systems, i.e. it goes on several mutually penetrating systems of different nature (technical, or- ganizational, financial, human resources, and legal), and therefore, the criticality assessment cannot be performed from a single indicator, but it is neces- sary to use a multicriterial approach and informa- tion from experts [4]. Keywords: criticality; importance; infrastructure; rate; road; system; transport; transport system; transportation; transportation system
• DEPLOYMENT OF ERTMS IN CZECH REPUBLIC by Vopava, Jiří; Jánešová, Mária; Kratochvíl, Radek (2016) - ETCS L1 [1] • Level 0 – ETCS equipped vehicles operating on lines without ETCS system, • Level 1 – an conventional line-side signal is passed to the train via a switched transmitter on the track, repeating the indication from the conventional sig- nalling system, which continues to be used to sup- port safe train separation. After the migration period will be completely de- commissioned national systems VZ LS and fully de- ployed ETCS system. Keywords: deployment; ertms; etcs; system
• EXPERIMENTAL IDENTIFICATION OF AN ELASTO-MECHANICAL MULTI-DEGREE-OF-FREEDOM-SYSTEM USING STOCHASTIC SIGNALS by Schleiter, Simon; Altay, Okyay; Klinkel, Sven (2016) - Conclusion In this paper different system identification methods for civil engineering are introduced and verified both on numerical and experimental examples. Keywords: System identification, civil engineering structures, stochastic signal, ambient signal, FDD, ARMA, ARX. Keywords: eigenmode; fdd; identification; methods; system
• DEVELOPMENT OF AN ELECTRIC BICYCLE FOR A SHARING SYSTEM IN PRAGUE by Deleenheer, William; Jáneš, Lukáš; Jayakumar, Akshaya (2017) - Keywords: e-bike sharing, requirements, e-bike design, motor power, battery capacity. Another useful source was the experi- ence of the Institute of Transportation and Develop- ment Policy (ITDP)[6] with planning and exploitation of bike sharing systems. Keywords: battery; bicycle; bike; electric; geopend; motor; power; prague; project; requirements; sharing; system
• INFLUENCE OF HMI ERGONOMY ON DRIVERS IN COOPERATIVE SYSTEMS AREA by Jizba, Tomáš (2017) - Goals and Objectives of This Work Within this work, two types of warning systems were tested, one on the basis of one-stage warning policy (see Figure 1) and the second one on the basis of multi-stage warning policy comprising three warning stages (see Figure 2). warning system (3.499 ± 1.041 s). Keywords: driver; driving; figure; glance; participants; stage; stage system; stage warning; system; time; vehicle; warning
• THE FUTURE OF PASSENGER AIR TRANSPORT – VERY LARGE AIRCRAFT AND OUT KEY HUMAN FACTORS AFFECTING THE OPERATION AND SAFETY OF PASSENGER AIR TRANSPORT by Skolilova, Petra (2017) - Of this demand for passenger aircraft, 40% will be for the replacement of ageing, less fuel efficient aircraft and 60% of the demand will be for growth[3]. Almost 80% of the world aircraft accidents are caused by human error based on wrong action, reaction or final decision of pilots, the catastrophic failures of aircraft systems, or air traffic control errors are not so frequent. Keywords: aircraft; aviation; factors; management; passenger; system; vla
• DOMAINS OF RAILWAY TRAFFIC IN THE CZECH REPUBLIC, WHICH NEED THE SAFETY IMPROVEMENT by Procházková, Dana; Procházka, Jan; Kertis, Tomáš (2017) - In print. 62 Acta Polytechnica CTU Proceedings 11:53–62, 2017 1 Introduction 2 Risk and Safety 3 Criticality and safety management 4 Data on railway system criticality and accidents 5 Methods used at data processing 6 Items important for safety improvement of railway traffic in the Czech Republic 7 Conclusion Acknowledgements References We see the causes arranged according to affinity, which en- ables to look up the possible actions, i.e. the measures for railway system safety improvement, for the whole groups of accident causes. Keywords: accidents; assets; causes; control; criticality; human; infrastructure; operation; railway; risk; safety; system; track; traffic; train
• COUPLED SIMULATION OF GAS COOLED FAST REACTOR FUEL ASSEMBLY WITH NESTLE CODE SYSTEM by Osusky, Filip; Cerba, Stefan; Luley, Jakub; Vrban, Branislav; Hascik, Jan (2018) - In the paper, the validation of NESTLE code 5.2.1 installation is presented. NESTLE code 2.1. Keywords: calculation; code; cross; fuel; gfr2400; nestle; nestle code; reactor; results; system
• BTT & RFLB - THE OPTIMUM SET FOR STEAM TURBINE BLADES MONITORING by Balda, Miroslav (2018) - [Mpa] Acknowledgements The author appreciates a kind support of his research from the Technological Agency of The Czech Republic via the Center of Competence No. TE01020068, Center of research and experimental development of reliable energy production References [1] J. Chvojan: A test of material T671 high cycle fatigue (In Czech), VZÚ Plzeň, Testing record No. 846/2003 Installation of the set of both items in power plants for monitoring blades in potentially uncertain turbine stages may be very effective for the reliability of a machine because it diminishes a danger of unexpected breakdowns and enables to plan times of maintenance and a number of spare blades in store. Keywords: blades; btt; fatigue; figure; rflb; stress; system
• THE OLDEST UNDERGROUND RAILWAYS IN THE WORLD AND THEIR ANNIVERSARIES by Barták, Jiří (2021) - Original Athens metro line after doubling of the track [4] Currently Athens Metro (Aττικó Mετρó ) has 3 lines (see Fig. 4) with an aggregate length of 84.5km. Numerous fundamental things required for the commencement of operations in the underground (steam locomotives with the necessary power, rail- bound passenger cars, rolled rails and their fixing, design of trackwork and other technical equipment) were tried on railway tracks. Keywords: line; london; metro; railway; stations; system; track; underground
• The Railway 4.0 Concept – the vision of a digital railway in the Czech Republic (CR) by Leso, Martin (2022) - The vision of ITS-R 2 defined the fundamental vision of railway technology 1The ITS-R vision was added into the strategic materials of the Ministry of Transportation in 2016 within the Implementa- tion Plan of the Action Plan for the Development of Intelligent Transport Systems (ITS) in the Czech Republic by 2020 (with an outlook to 2050) as project No. 63, ZD-20, Pilot verification of ITS-R technology 2http://www.sdt.cz/dokumenty/2015_Pozicni_dokument_ SDT_rozvoj_ITS_na_zeleznici.pdf development. So far, no systematic and comprehensive change of safety technologies has taken place on a larger segment of the off-corridor lines. Keywords: concept; control; czech; etcs; infrastructure; railway; republic; safety; supply; system; technologies; technology; transport
• Structural assessment and expected utility gain by Thöns, Sebastian (2022) - This basic distinction leads to the denotation of utility actions and system state actions, respectively. In the context of existing structures, examples for system state actions are e.g., repair, replacement, strengthening and loading actions. Keywords: action; analysis; decision; information; state; system; utility; value
• Augmented reality to support parcel handling in last-mile logistics by Datcu, Dragos; Winkel, Jelmer; Rothkrantz, Leon (2022) - Keywords: Augmented reality, parcel tracking, logistics. Augmented reality is expected to be one of the enabling key technologies in the age of industrial digi- talization [4]. Keywords: algorithm; camera; delivery; logistics; mile; parcel; reality; system; tracking; warehouse
• Development of advanced driving simulator for driving schools by Topol, Libor; Malý, Michal (2023) - Driver training is a factor that clearly affects novice driver’s behaviour in real traffic, both positively and negatively [4]. Innovative advanced vehicle simulator can objectively increase the quality of driver training if the teaching process is accordingly adapted. Keywords: accident; drivers; driving; environment; simulator; system; training; vehicle
• Computed tomography system with strict real-time synchronization for in-situ 3D analysis of periodically vibrating objects by Rada, Václav; Fíla, Tomáš; Zlámal, Petr; Koudelka, Petr; Šleichrt, Jan; Macháček, Michael; Vavřík, Daniel; Kytýř, Daniel (2023) - In the contribution, we present a laboratory system capable of X-ray computed tomography (XCT) scanning of an periodically moving or oscillating object. In-situ X-ray computed tomography analysis of fracture mechanisms in ultrasonic additively manufactured Al-6061 alloy. Keywords: exposure; figure; image; moving; ray; shaker; system; tomography
• Integral railway interlocking system and its assessment according to European standards by Brandejský, Tomáš; Fábera, Vít; Leso, Martin (2023) - The one of basic architecture of host with virtual systems is in Figure 5. Architecture of railway interlocking system in cloud. Keywords: cloud; interlocking; railway; safety; system; virtual

• Changing the integrity of the material surface by combining laser surface texturing and PVD magnetron sputtering technologies by Krafka, Michal; Bakalova, Totka; Svobodová, Lucie; Primus, Tomáš; Mrózek, Magdalena; Bouša, Milan (2024) - The results of the nanoindentation of thin coatings were statistically processed; the av- erage values with standard deviation are presented in Table 1, denoted as follows: coating thickness (D), indentation depth (d), nanohardness (H), Young’s modulus of elasticity (E), plasticity index (H/E), and material resistance to plastic deformation (H3/E2). https://doi.org/10.1016/j.surfcoat.2018.12.098 29 https://doi.org/10.1016/S0257-8972(00)00715-5 https://doi.org/10.1007/s12540-012-0483-2 https://doi.org/10.1016/j.wear.2013.01.035 https://doi.org/10.1016/j.ijrmhm.2018.01.003 https://doi.org/10.1007/s11665-018-3607-0 https://doi.org/10.1016/j.jmatprotec.2020.116870 https://doi.org/10.1016/j.jmatprotec.2020.116870 https://doi.org/10.1590/S1678-58782009000400007 https://doi.org/10.1016/j.apsusc.2013.06.033 https://doi.org/10.1016/j.surfcoat.2018.12.098 Acta Polytechnica CTU Proceedings 50:24–29, 2024 1 Introduction 2 Materials and methods 3 Results and discussion 3.1 Magnetron deposition of thin layer 3.2 Mechanical properties of thin coatings, evaluation and selection of deposition parameters 3.3 Microscopy and image analysis of laser-textured thin-layer surfaces 3.4 Tribological properties of thin layers deposited on Laser Surface Texturing surfaces 4 Conclusion Acknowledgements References Keywords: adhesion; coating; laser; lst; properties; substrate; surface; wear
• USING HOMOGENIZATION AND NANOINDENTATION FOR MICROFIBRIL ANGLE DETERMINATION OF SPRUCE by Kucíková, Lucie; Hrbek, Vladimír; Vorel, Jan; Šejnoha, Michal (2017) - Ultrastructure and formation of wood cell wall. The significance of the elastic modulus of wood cell walls obtained from nanoindentation measurements. Keywords: angle; cell; mfa; nanoindentation; properties; wall; wood
• EVALUATION OF EFFECTIVE PROPERTIES OF BASALT TEXTILE REINFORCED CERAMIC MATRIX COMPOSITES by Valentová, Soňa; Hrbek, Vladimír; Šejnoha, Michal (2017) - Experimental Measurements of the Material Parameters A specimen of basalt fiber ceramic composite was embedded into an epoxy resin and left for 24 hours to harden in a cylindrical mold (25mm in diameter). Mechanical properties of basalt fiber reinforced composites prepared by partial pyrolysis of a polymer precursor. Keywords: basalt; damage; fiber; fig; gpa; matrix; properties
• STRENGTH OF COMPOSITE YARN UNDER BIAXIAL LOADING by Valentová, Soňa; Hrbek, Vladimír; Vorel, Jan; Šejnoha, Michal (2018) - Average results of elastic material properties partially taken from the experiment, partially from literature, see [4] and partially set according to the analogy with the carbon fibers, are summarized in Tab. Effective elastic properties of investigated composite summarized in Tab. Keywords: composite; direction; fig; gpa; loading; properties; stress
• THE INFLUENCE OF A SHRINKAGE REDUCING ADMIXTURE ON THE LONG-TERM DEVELOPMENT OF DYNAMIC PROPERTIES IN ALKALI-ACTIVATED SLAG by Alexa, Martin; Kocáb, Dalibor; Kucharczyková, Barbara; Kotrla, Jan (2019) - Drying and autogenous shrinkage of pastes and mortars with activated slag cement. The paper investigates the way a shrinkage-reducing admixture affects the long-term development of dynamic properties in mortars made with alkali-activated slag (AAS). Keywords: aas-2; admixture; days; modulus; properties; shrinkage; slag; young
• VERIFICATION OF THE BASIC PROPERTIES OF RECYCLED AND NATURAL AGGREGATES by Mikulica, Karel; Hájková, Iveta (2019) - This leads us to think about how we can use recycled concrete aggregate (RCA) as a substitute for natural aggregate (NA) in concrete mixtures. Keywords: Construction and demolition waste (C&DW), recycled concrete aggregate (RCA), natural aggregate (NA), stone testing. Keywords: aggregates; concrete; density; properties; rca
• THE USE OF LIGHTWEIGHT AGGREGATE IN PREPARATION OF THERMAL INSULATION LIME-BASED RENDERS by Pokorný, Jaroslav; Pavlíková, Milena; Pavlík, Zbyšek (2019) - Most of buildings are made up of masonry with tra- ditional renders which can be replaced or retrofit by thermal insulation renders made in the same way as those traditional. Experimental tests performed for 28 days high relative humidity-cured samples showed significant decrease in bulk density and apparent density for renders with incorporated perlite compared to reference render mix composed of silica sand-based aggregate only. Keywords: aggregate; density; lime; perlite; properties; renders; sand
• USING SECONDARY RAW MATERIALS IN LIGHTWEIGHT OPEN-STRUCTURE CONCRETE WITH GOOD UTILITY PROPERTIES by Sedlmajer, Martin; Zach, Jiří; Bubeník, Jan (2019) - There are several varieties of lightweight foam glass aggregate, depending on manufacturing technology. The paper presents the results of research in lightweight concrete with open structure made using a lightweight porous foam-glass aggregate produced from recycled glass powder. Keywords: aggregate; concrete; glass; lightweight; properties
• SIMULATION AND OPTIMIZATION OF POROUS BONE-LIKE MICROSTRUCTURES WITH SPECIFIC MECHANICAL PROPERTIES by Wit, Adrian; Wronski, Sebastian; Tarasiuk, Jacek (2019) - Researches on bone structure simulation are becoming more com- mon Bone trabecular structure can be characterized as a connected network of mineral bars and plates with unique mechanical properties. Keywords: bone; density; number; points; properties; structure; voronoi
• LOCAL MECHANICAL PROPERTIES OF ATMOSPHERIC SPRAYED MOLYBDENUM COATINGS DEPOSITED WITH CASCADED PLASMA TORCH by Antoš, Jakub; Šulcová, Petra; Lencová, Kateřina; Houdková, Šárka; Duliškovic, Josef; Hajšman, Jan; Burdová, Karolína; Račický, Antonín (2020) - [2] An integrated study of thermal spray process-structure-property correlations: A case study for plasma sprayed molybdenum coatings. Therefore these knowledges can be successfully applied to design mechanical properties of plasma sprayed molybdenum with cascaded torch as well. Keywords: coatings; gas; molybdenum; parameters; plasma; properties; spraying; torch
• COMPARISON OF Mo COATING DEPOSITED BY TWAS AND APS SinplexPro THERMAL SPRAY TECHNIQUES by Houdková, Šárka; Antoš, Jakub; Šulcová, Petra; Lencová, Kateřina; Hajšman, Jan; Burdová, Karolína; Duliškovic, Josef (2020) - According to the Rietveld quantitative analyses, its amount reached 0.76 wt.% for APS coating and 2.44 wt.% for TWAS coating. The size of the splats is lower in the case of APS coating, resulting from the fine powder compared to the splats originated from the molten wire tips. Keywords: aps; coating; properties; spraying; surface; twas; wear
• Analyses of the geometrical properties of fine recycled aggregates by De Vlieger, Jentel; Li, Jiabin (2022) - FRA particles in fraction 1.6–2 mm show lowest roundness (highest angularity). 200 vol. Keywords: Fine recycled aggregates, geometrical properties, digital image processing. Keywords: crusher; fra; frca; mfra; properties; roundness; sphericity

• Impact of bolt positioning on the stiffness of angular support brackets by Croccolo, Dario; Fini, Stefano; Khan, Muhammad Yasir (2024) - CTU Proceedings 48:9–14, 2024 1 Introduction 2 Materials and methods 3 Results and discussion 3.1 Influence of bolt size on stiffness 3.2 Influence of number of bolts on stiffness 3.3 Influence of bolt center of gravity on stiffness 3.4 Influence of bolt spacing on stiffness 3.5 Influence of bolt layout on stiffness 3.6 Stress Analysis 4 Conclusions 5 Future recommendations References Influence of bolt spacing on stiffness It was examined from the center of gravity section that bolts should be placed upward and towards the negative x-direction for the given loads. Keywords: bolt; center; figure; gravity; load; percent; stiffness
• QCT/FEA analyses of palateless splinted and unsplinted maxillary all-on-4 systems by Řehounek, Luboš; Frolo, Mária; Jíra, Aleš (2024) - Treatment considerations for maxillary implant overdentures: A systematic review. Application of finite element analysis in implant dentistry: A review of the literature. Keywords: bone; fea; implant; load; qct; stress; variant
• Parametric study of a reinforced concrete footbridge strengthened by a layer of UHPFRC by Kněž, Petr; Holý, Milan; Kolísko, Jiří (2025) - Numerical model of reinforced concrete footbridge connected to a UHPFRC slab by shear notches. The load bearing capacity of the strengthened struc- ture was compared with the load bearing capacity of reinforced concrete structure without degradation. Keywords: capacity; concrete; footbridge; load; structure; studs; uhpfrc
• Effect of variability of material properties on resistance of existing post-tensioned concrete bridge – case study by Mezera, Aleš; Holý, Milan; Sýkora, Miroslav (2025) - [In Czech; Railway bridges with prestressed load bearing structure in the network Správa železnic]. It appears that corrosion is the key factor affecting reliability of the bridge at the Ultimate Limit State while prestressing loss is dominating the Servieability Limit State verification. Keywords: capacity; concrete; corrosion; effect; figure; load; losses; prestressing; reinforcement
• NUMERICAL METHOD FOR ESTIMATION OF TENSILE LOAD IN TIE-RODS by Riabova, Kseniia; Collini, Luca; Garziera, Rinaldo (2016) - Determining the axial force in metallic rods. The work introduces a two-phase method for determination of axial loads in tie-rods. Keywords: beam; error; force; frequencies; load; method; rods; tie
• CHARACTERIZATION OF ULTRASONIC ASSISTED ADHESIVE JOINTS by Pauska, Rainer; Cakmak, Umut; Lottes, Rainer; Major, Zoltan (2016) - Influence of ultrasonic joining device parameters As already mentioned the joining time, amplitude and joining force were assumed to be the most im- portant parameters for the investigation. Ultrasonic joining device. Keywords: adhesive; figure; joining; load; ultrasonic
• UHPC SANDWICH STRUCTURES WITH COMPOSITE COATING UNDER COMPRESSIVE LOAD by Markowski, Jan; Lohaus, Ludger (2016) - Lindschulte proposes a more sophisticated estima- tion model (eq. 7-1[2]) for sandwich structures without composite coating: FN = Ac ∗0.8∗fc +αs−1 ∗As,−1 ∗fy +αs+1 ∗As,+1 ∗fy (1) where is As,−1 = Area of the inner steel tubes cross-section As,+1 = Area of the outer steel tubes cross-section αs−1 = Stability reduction factor con- cerning to χ(λ) according to Eurocode 3, inner steel tube αs+1 = Stability reduction factor con- cerning to χ(λ) according to Eurocode 3, outer steel tube Applying Lindschulte’s model to the series’ geome- try shown leads to FN = 1, 400 kN assuming a non-load-bearing role of the steel tubes. Mechanical System – Conceptual Approach UHPC sandwich structures with composite coating serve as multipurpose load-bearing elements, predom- inantly for compressive loads. Keywords: composite; concrete; load; specimen; steel
• DESIGN OF CONCRETE CHIMNEYS VIA BEAM THEORY AND NONLINEAR SHELL ANALYSIS by Wehr, Franziska; Harte, Reinhard (2016) - 84 Acta Polytechnica CTU Proceedings 7:79–84, 2017 1 Introduction 2 Design of concrete chimneys via beam theory 3 Comparison of beam theory and linear elastic shell theory 4 Design concept for concrete structures with nonlinear material behavior 5 Comparison of design via beam theory and nonlinear shell theory 6 Outlook Acknowledgements References This results in a nonlinear stress distribution over the cross section according to beam theory and a linear stress distri- bution according to shell theory (Fig. 8, black and yellow lines). Keywords: beam; concrete; design; load; shell; theory
• COMPARISON OF METHODS USED FOR SEISMIC ANALYSIS OF STRUCTURES by Čada, Petr; Máca, Jiří (2017) - Non-linear methods according to EC8 Seismic load was defined by lateral force method, modal response spectrum, non-linear time-history analysis and pushover analysis. Keywords: analysis; linear; load; method; response; spectrum; structure
• EXPERIMENTAL AND NUMERICAL ASSESSMENT OF A LAST STAGE ST BLADE DAMPING AT LOW LOAD OPERATION by Bessone, Andrea; Carassale, Luigi; Guida, Roberto; Kubín, Zdeněk; Lo Balbo, Antonio Alfio; Brunenghi, Michela Marrè; Pinelli, Lorenzo (2018) - Thanks to this approach, it is possible to estimate the aggregated damping of the system, meaning the sum of mechanical and aerodynamic contributions to last stage blade damping under steam flow, for differ- ent nodal diameters, both for forward and backward travelling wave on the blade row. Keywords: Low pressure steam turbine blade, flutter, low load operation. Keywords: aerodynamic; blade; conditions; damping; excitation; flow; frequency; load; magnet; numerical; pressure; stage; steam; time; turbine
• IN-SITU COMPRESSION TEST OF ARTIFICIAL BONE FOAMS IN CONTROLLED ENVIRONMENT USING X-RAY MICRO-COMPUTED TOMOGRAPHY by Glinz, Jonathan; Kytýř, Daniel; Fíla, Tomáš; Šleichrt, Jan; Schrempf, Andreas; Fürst, David; Kastner, Johann; Senck, Sascha (2019) - Since physiological bone typically is in a wet state, the main purpose of this study was the investigation of the influence of environmental condi- tions on artificial bone foams of varying composition. In this study, we investigated specimens of artificial bone foams, developed by the research group for surgical simulators at the UAS Linz, which are used to mimic the haptic feedback of physiologic and pathologic bone for more realistic surgery training. Keywords: bone; compression; foams; load; situ; specimens; time; water
• ON TUNING THE DYNAMIC LOAD BALANCING FEM FRAMEWORK by Bošanský, Michal; Patzák, Bořek (2020) - The second source of load imbalance includes external factors, which can change perfor- mance of individual processing nodes or communica- tion network. Parallel algo- rithms should account for load imbalance between particular sub-domains. Keywords: balancing; framework; imbalance; individual; load; parallel; performance; problem; processing; solution
• DYNAMIC IMPACT WEAR AND IMPACT RESISTANCE OF W-B-C COATINGS by Daniel, Josef; Grossman, Jan; Buršíková, Vilma; Zábranský, Lukáš; Souček, Pavel; Mirzaei, Saeed; Vašina, Petr (2020) - The impact testing was carried out with impact loads of 200 N, 400 N and 600 N. Due to its construction the impact tester is uniquely suitable also for the investigation of the behaviour of the samples under a low number of impacts (≤ 100). [7] J. Sobota, J. Grossman, V. Bursikova, et al. Evaluation of hardness, tribological behaviour and impact load of carbon-based hard composite coatings exposed to the influence of humidity. Keywords: coatings; impact; load; resistance
• VERIFICATION OF THE BEARING CAPACITY OF PILES by Turček, Peter; Súľovská, Monika (2022) - Dynamic load test of the pile and location of strain gauges Table 1: Permanent settlement of test piles after 5 blows with a load Pile No. Length of pile (m) Fall height (m) Settlement of the pile (mm) A4/SP1 12.5 1.76 3.0 B3/SP4 15.0 1.96 3.5 A3/SP2 11.25 1.76 2.5 B2/SP3 13.3 1.96 3.5 Table 2: Evaluation of test piles by PDA Test date Pile No. age of piles. Permanent settlement of test piles after 5 blows with a load. Keywords: bearing; capacity; load; pile; tests
• Enhanced service life of existing infrastructure buildings by use of concrete screw anchors as post-installed shear reinforcement by Lechner, Johannes; Feix, Jürgen (2022) - The idea is to use concrete screw anchors - already known as anchoring element - as post-installed reinforcement. In over 60 shear tests with girders and slabs the excellent applicability of concrete screw anchors as post-installed shear reinforcement has been proven. Keywords: anchors; concrete; installation; load; reinforcement; screw; shear; tests
• Thin concrete overlays wit carbon reinforcement on deteriorated concrete pavements by Neumann, Julia; Breitenbücher, Rolf (2022) - To increase the durability of repairs and to save resources concrete overlays with carbon reinforcement are developed. Cracks tended to occur on beams with thin- ner carbon concrete layers (30 − 50 mm) and 1 to 2 reinforcement layers, although the crack pattern was not always the same on beams with the same config- uration of the overlay. Keywords: bond; carbon; concrete; cracks; load; overlay; reinforcement; tensile; tests
• Sustainability of concrete pavements considering traffic and de-icing agents by Breitenbücher, Rolf; Przondziono, Robin (2022) - Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague SUSTAINABILITY OF CONCRETE PAVEMENTS CONSIDERING TRAFFIC AND DE-ICING AGENTS Rolf Breitenbücher, Robin Przondziono∗ Ruhr University Bochum, Department of Civil and Environmental Engineering, Institute for Building Materials, Universitätsstrasse 150, 44801 Bochum, Germany ∗ corresponding author: Robin.Przondziono@ruhr-uni-bochum.de Abstract. In concrete pavements, special conditions, that increase the likeliness of damaging reactions, as for example an alkali-silica reaction (ASR), prevail. Keywords: asr; concrete; cyclic; degradation; load; pavements; penetration; stresses
• Cost-optimization based target reliability for fire design of insulated steel columns by Chaudhary, Ranjit Kumar; Gernay, Thomas; Van Coile, Ruben (2022) - In this study, the concept of cost optimization to develop target reliabilities is revisited in the context of structural fire design. Eurocode 3: Design of steel structures-Part 1-2: General rules-Structural fire design. Keywords: column; cost; design; failure; fire; load; reliability; steel; target
• A study on the effects of hidden safety when assessing existing structures by Teichgräber, Max; Straub, Daniel (2022) - However, a relative comparison to the probabilities of failure of the bridges designed or accepted/rejected by advanced traffic load models is valid, since the probabilities of failure are calculated on the same basis. An additional safety factor would be needed if advanced traffic load models were to be used for bridge design. Keywords: design; failure; load; probability; traffic
• Full probabilistic design of a submerged floating tunnel and format for partial safety factors by Swaalf, Franka E.M.; Steenbergen, Raphaël D. J. M. (2022) - The calculated factors from the full probabilistic design are compared with the general recommended partial factors for strength and resistance from Eurocode EN1990. The aim of this paper is to perform a full probabilis- tic calibration of partial factors for most relevant limit states of the SFT. Keywords: design; factors; failure; load; section; sft; tube; value
• Reliability approaches affecting sustainability of existing steel structures by Sýkora, Miroslav; Nadolski, Vitali (2022) - It is shown that lower reliability levels might be considered for the assessment of existing structures than for the design of new structures, with benefits for sustainability in construction. Keywords: Existing structures, adjusted partial factors, probabilistic approaches, reliability. Keywords: factors; load; methods; reliability; structures; sustainability; upgrade
• Considerations on an embedded pile’s effective length in an analytical calculation according to the commentary on the STN 73 1002 standard by Stacho, Jakub; Súľovská, Monika (2023) - Pile load capacity–calculation methods. Especially in the case of embedded piles, reducing a pile’s length in the calculation can cause the shaft friction of the embedded pile to be neglected, and the calculated resistance of the pile is thus significantly lower. Keywords: calculation; friction; length; load; pile; resistance; shaft
• Concrete and reliability of existing prestressed bridge structures by Mezera, Aleš; Holý, Milan; Sýkora, Miroslav (2024) - A large number of post-tensioned concrete bridges were built in the second half of the last century. 47/2024 Concrete and reliability of existing prestressed bridge structures Symbol Variable Characteristic Xk/µX Distribution Coefficient Source value Xk of variation VX b width of beam 0.98 m 1 - - [1] h height of beam 0.85 m 1 - - [1] fc concrete compressive strength 43 MPa 0.75 LN0 0.115 - fp prestressed force 1 327 kN 0.88 N 0.075 - L span length 19 m 1 - - [1] γC partial factor for concrete 1.50 - - - [12] γG partial factor for permanent actions 1.35 - - - [12] γQ partial factor for traffic load 1.35 - - - [12] γS partial factor for reinforcement 1.15 - - - [12] δ dynamic factor 1.20 1 LN0 0.05 - G0 self-weight load 493 kNm 1 LN0 0.04 - G other permanent loads 421 kNm 1 LN0 Keywords: bridge; capacity; concrete; factor; load; method; structures

• Optimising truss-based metamaterials for unimodal and pentamodal behaviour by Jošková, Nataša; Tyburec, Marek; Doškář, Martin (2025) - Conversely, pentamodal metamaterials behave like a fluid (some- times pentamodal metamaterials are called metaflu- ids), i.e., while they are almost incompressible, they can be easily deformed in a deviatoric way. Multimodal metamaterials have garnered significant research interest, with pentamodal metamaterials be- ing a primary focus. Keywords: design; homogenisation; matrix; metamaterials; objective; optimisation; pentamodal; stiffness; structure; ∂ai
• SOIL REINFORCEMENT AND EC7 (202x) by Vaníček, Martin (2018) - Soil nails X Rigid vertical bearing elements “RVBE” (Piles, micropiles, …) X2 X2 Tensile continuity (overlaps, connections, …) X X X X X On the interface between soil and reinforcement Pull-out X X X X X Stripping X X X Sliding X X X X Squeezing Soil nails X Rigid vertical bearing elements “RVBE” (Piles, micropiles, …) X2 X2 On facing elements Connection to reinforcing element X Bulging (blocks, steel mesh, wrap around, …) X In reinforcing element Total strain (elongation) X X X X X Creep strain (post construction) X X X X X In facing element Differential settlement along the facing due to subsoil deformation X NOTES: X1 - rarely used X2 - Anchors + RVBEs are not considered as soil reinforcements in current Standards but are shown as an aide memoire for hybrid structures Figure 1. Keywords: design; eurocode; soil; structures
• A RETAINING WALL RECONSTRUCTION IN KUTNÁ HORA by Svoboda, Jiří; Hadačová, Dana (2019) - Keywords: Retaining wall, undermined area, St. Barbara’s church, Kutná Hora. View of the original (top) and new wall (bottom) near St. Barbara’s dome. Keywords: construction; design; hora; kutná; monitoring; new; road; wall
• ON OPTIMUM DESIGN OF FRAME STRUCTURES by Tyburec, Marek; Zeman, Jan; Kružík, Martin; Henrion, Didier (2020) - Polynomial optimization Having introduced three different local approaches to frame structure optimization, it is natural and expected that one asks for a global optimization tech- nique. We show that polynomial optimization solves the frame structure optimization to global optimality by building the (moment-sums-of-squares) hierarchy of convex linear semidefinite programming problems, and it also provides guaranteed lower and upper bounds on optimal design. Keywords: cross; design; elements; frame; optimization; optimum; polynomial; problem; vector
• Life cycle management of concrete structures based on sustainability indicators by Yokota, Hiroshi; Nagai, Kohei; Sakai, Koji (2022) - Life cycle sustainability assessment of fly ash concrete structures. This paper deals with the concept and framework of the life cycle management of concrete structures to ensure sustainability during the structural life. Keywords: cycle; design; life; scenario; structure; sustainability
• Rational and sustainable procedure in the design of bridges using pre-stressed concrete beams a theoretical practical method by Xochicale Cortés, Abel Noé (2022) - Introduction It is true that after many years in which have been used pre-stressed concrete girders supporting a con- crete slab, has not been able to establish the suitable type of girder according to the span, nor to know the maximum performance of each type of girder, giv- ing in this way many solutions to a given problem, but none adopted in a generalized way to provide an appropriate and economical solution to the proposed array of girders, in other words, the most sustainable or optimum solution. [3], defined first some of the parameters involved in the design of a bridge with girders, such as: a) live load, b)the type of girder, c) the strength of the concrete slab and the strength of concrete in the girder and 639 Abel Noé Xochicale Cortés Acta Polytechnica CTU Proceedings Figure 2. Keywords: beams; bridge; concrete; design; girders; number; type
• Structural flexural strengthening through material bonded to the concrete substrate by Oliveira, Victor Hugo Dalosto de; Carvalho, Rodolfo Alves; Neves, Rodolfo Rabelo; Borges, Luana Ferreira; Martins, Paulo Chaves de Rezende; Oliveira, Marcos Honorato de; Siqueira, João Paulo de Almeida; Sobral, Rafael de Almeida; Nazaré, Sidney Luan Teixeira de; Cunhac, Carlos Henrique de Moura (2022) - Reforço de vigas de concreto armado por meio de barras de aço adicionais ou chapas de aço e argamassa de alto desempenho Dissertação de mestrado Universidade de São Paulo, São Carlos, 1998. Balance and design equations are obtained by superimposing the stress diagrams Keywords: concrete; design; equation; section; strengthening
• The New Industrial Revolution: Finding life for the buildings left behind by Bilobran, Dawn (2022) - Inspired by expositions and planning movements that encouraged enhance- ment of public buildings and spaces, municipalities commissioned architects with portfolios of museums, libraries, and universities to partner with engineers on the design of new power facilities. Govern- ment agencies must do more to incentivize the reuse of legacy power plant facilities, dissuade the knee- jerk reaction to demolish and encourage thorough site remediation. Keywords: buildings; construction; design; facilities; heritage; plants; power; rehabilitation; reuse; substations; utility
• Reliability of a structure stricken by a tornado by Holický, Milan (2022) - Further development of reliability theory of tornado-stricken structures is recommended to be focused on the risk analysis of appropriate systems, of which the considered structures are elements, on the target failure probability, on detailed analysis of the probability distribution of tornado wind speed and their frequency during the required lifetime of the structures. Distributions of tornado wind speed for N = 1 and 10. Keywords: design; probability; structure; tornado; wind
• A procedure to derive partial safety factors in textile-reinforced concrete members by Schulze-Ardey, Jan Philip; Feiri, Tânia; Ricker, Marcus; Hegger, Josef (2022) - Thus, procedures to derive partial safety factors for textile-reinforced concrete would be a major step forward towards a regular procedure for the design of structural members made of this material. Keywords: Partial safety factor, R-package, reliability-based methods, textile reinforced concrete. Keywords: calibration; code; concrete; design; factors; level; reliability; safety; textile; trc
• Assessment of existing structures under climate change by Retief, Johan V. (2022) - Extension of climate change assessment to extreme climate provides an additional line of scientific proof of the process: It is regarded as an integral component of climate change, manifested by the increased frequency of climate extremes, particularly hot extremes, on global and regional scales, on most continents, even 10 vol. An indication of the geographic distribution of these changes is provided in Figure 4, showing the compari- son between observed and simulated changes in surface temperature at 1 ◦C, and for projected ∆T -values of {1.5, 2.0.4.0} ◦C. An indication of the regional dis- tribution of climate change extremes is compiled in Figure 5, indicating the number of regions for which climate impact drivers (CID) for the set of climate extremes are relevant, where a CID is a measure of a physical climate system condition (mean, event, ex- treme) that will affect society or an ecosystem, by either increasing or decreasing. Keywords: actions; assessment; change; climate; climate change; confidence; design; extremes; human; structures; wind
• Implication of climate changes on design of structures by Markova, Jana; Sýkora, Miroslav; Nadolski, Vitali (2022) - Keywords: Climatic actions, design weather parameters, climate change, probabilistic assessment, partial factors, target reliability. Introduction For the completion of the second generation of the Eurocodes for structural design and selection of the National Determined Parameters for new National Annexes, the potential impact of climate changes on various types of construction works should be evalu- ated, mainly for structures with a longer design life as significant buildings or bridges. Keywords: change; climate; design; europe; increase; snow; structures; temperatures; wind
• New or existing, does it matter? by Tanner, Peter; Hingorani, Ramon; Lara, Carlos (2022) - As with the design of new structures, the assessment of existing structures must therefore demonstrate their ability to meet specified require- ments throughout their remaining service life, with the aim of achieving an acceptably low probability of failure. There is therefore a need to merge the various options into a harmonized set of rules for the assessment of existing structures that comple- ment those for the design of new structures. Keywords: actions; assessment; design; eurocode; failure; methods; reliability; requirements; rules; structures
• Experience with sleeper substructure design for a speed of 200 kph according to the S4 standard by Hubáčková, Dana; Říha, Tomáš; Dušek, Erik (2023) - Keywords: Sleeper substructure design, sub-ballast layer, capping layer, transition area, deformation resistance, SŽ S4 standard. The second part of the paper is focused on transition area design. Keywords: deformation; design; standard; substructure
• Cooperation of active steering control of wheelsets with subsystems of an autonomous urban rail vehicle by Vrba, Jan (2023) - The design takes into account the fundamental issues of cost and safety of the application of active elements, which are addressed in the presented control design by using data from autonomous driving subsystems such as the environmental database or the anti-collision system. Keywords: Active element, actuator, rolling stock, autonomous driving, tram, running gear. Keywords: actuator; control; curve; design; element; element control; gear; running; steering; track; tram; vehicle; wheelset
• Sustainable transitions in age-friendly communities in Europe: a participatory approach by Chen, Lijun; Marji, Noor; Isik, Gülbahar Emir; Kumar, Akshatha Ravi; Kočí, Vladimír; Tichý, David (2024) - Keywords: Sustainable transitions, transition design, age-friendly communities, Europe, participatory. Transition design is a burgeoning and emerging design discipline that is attempting to shape itself into an integrated discipline capable of solving complex ongoing problems and transforming society with multiple knowledge and skills to act as a fa- cilitator, accelerator and guide for transitions Keywords: adults; age; ageing; challenges; communities; community; design; environments; europe; principles; process; solutions; stakeholders; technology; transition; transition design

• Finite element analysis of nanoindentation pile-up and correction of projected contact area by Kovář, Jaroslav; Fuis, Vladimír; Čtvrtlík, Radim; Tomáštík, Jan (2024) - The mesh was created from 3D SOLID 186 ele- ments with the use of the contact CONTA 174 and TARGE 170 elements at contact area. The boundaries of contact areas obtained for one sixth of the Berkovich indent by each approximation were plotted (Figure 9). Keywords: analysis; area; contact; correction; indenter; pile
• ON DEVELOPMENT OF THE INTERACTIVE DESIGN TOOL BASED ON ISOGEOMETRIC ANALYSIS by Dvořáková, Edita; Patzák, Bořek (2017) - Several lock- ing removal techniques have been proposed to unlock isogeometric beam element including reduced inte- gration, B̄-method, DSG method, see [2, 3] for the references. Isogeometric analysis is a new concept of Finite element method which has been proposed to bridge the gap between the CAD systems and the FEM solvers. Keywords: analysis; cad; element; geometry; nurbs; shear
• ISOGEOMETRIC BEAM ELEMENT EXTENDED FOR GRIDSHELL ANALYSIS by Dvořáková, Edita; Patzák, Bořek (2018) - Note, that due to the non-interpolatory nature of NURBS basis functions, the vectors r̄ki and r̄kj have to be expressed as a linear combination of the control points values using NURBS basis functions evaluated 28 vol. The problem of such a for- mulation is the inability of NURBS basis functions to represent exact solution with discontinuities in strains and internal forces corresponding to concen- trated loadings. Keywords: analysis; basis; beam; force; functions; isogeometric; nurbs
• THE INFLUENCE OF BOUNDARY CONDITIONS ON THE RESPONSE OF UNDERGROUND STRUCTURES SUBJECTED TO EARTHQUAKE by Pavelcová, Veronika; Poklopová, Tereza; Janda, Tomáš; Šejnoha, Michal (2018) - = 0 (BC1), (b) free boundary-no restrictions (BC2), c) free- field boundary conditions (BC3), d) static boundary conditions - py(t) prescribed (BC4). Thus to properly represent the results of 1D free field column analysis within a 2D environment calls for other types of boundary conditions that assure, in case of verti- 74 http://dx.doi.org/10.14311/APP.2018.15.0074 http://ojs.cvut.cz/ojs/index.php/app vol. Keywords: analysis; boundary; conditions; field; fig; shear; wave
• MODELING OF UNDERGROUND STRUCTURES SUBJECTED TO EARTHQUAKE BY COMBINING 1D FREE-FIELD AND 2D PSEUDO-STATIC ANALYSES by Poklopová, Tereza; Pavelcová, Veronika; Janda, Tomáš; Šejnoha, Michal (2018) - It turns out, see also the next section, that in case of fixed boundary conditions the total motion1 will be adopted when employing the fixed boundary, whereas only one half of the total motion2, corresponding to the incoming wave uI , will be prescribed in case of absorbing boundary. = 𝑢𝑢 (c) Figure 4. a) Free field column with fixed boundary, b) Free field column with absorbing boundary, c) Loading and boundary conditions. Keywords: analysis; boundary; conditions; earthquake; fig; shear
• ADDITIVE MANUFACTURING PROCESS PARAMETER INFLUENCE ON MECHANICAL STRENGTH OF ADHESIVE JOINTS, PRELIMINARY ACTIVITIES by Frascio, Mattia; Bergonzi, Lorenzo; Jilich, Michal; Moroni, Fabrizio; Avalle, Massimiliano; Pirondi, Alessandro; Monti, Margherita; Vettori, Matteo (2019) - Morphology F factors 6. Conclusions Building parameters for maximum ultimate tensile strength and maximum and minimum values of wetta- bility and roughness are identified (table 6). The main effect analysis and interaction effect analysis are reported in figure 9. Keywords: additive; analysis; effect; figure; manufacturing; morphology; parameters; process; wettability
• ON EVALUATION OF THE THREE-DIMENSIONAL ISOGEOMETRIC BEAM ELEMENT by Dvořáková, Edita; Patzák, Bořek (2020) - Comparison of isogeometric beam element with cubic (IGA p = 3), quartic (IGA p = 4) and hexic (IGA p = 6) approximation with standard FEM straight beam element with Bernoulli assumptions (FEM - thin) and with account for shear effects (FEM - shear). The per- formance of the presented element has been compared with standard FEM beam element using benchmark problem of helicoidal spring. Keywords: analysis; beam; element; fem; iga; nurbs
• THERMAL ANALYSIS OF DRY STORAGE AND TRANSPORTATION CASKS CASTOR USING COBRA-SFS by Ševeček, Martin; Valach, Mojmír; Lee, Chih-Hao (2020) - The MC-10 PWR spent fuel storage cask: Testing and analysis. CFD analysis of a cask for spent fuel dry storage: Model fundamentals and sensitivity studies. Keywords: 440/84; analysis; cask; castor; cobra; code; fuel; heat; nuclear; sfs; snf; storage
• Maintaining the competitiveness of the czech railway industry by Vogl, Jan; Jánešová, Mária (2021) - Prague 1, Czech Republic ∗ corresponding author: vogljan@fd.cvut.cz Abstract. The largest volume of Czech exports has been realized in the long term within the European Union countries, such as Germany, France, Great Britain and Poland. Keywords: analysis; czech; innovation; railway
• Quantifying uncertainties in the sustainability evaluation of concrete materials considering regional characteristics in Japan by Vios, Nicole Alexis Kwan; Henry, Michael Ward; Opon, Joel Galupo (2022) - effect of methodological uncertainties in the regional context of concrete sustainability evaluation was in- vestigated using uncertainty analysis to understand how these uncertainties influence concrete sustain- ability evaluation results. 2.1. Indicators for concrete sustainability evaluation. Keywords: analysis; cluster; concrete; context; evaluation; indicators; mix; sustainability; weights
• Quantitative analysis of the strength generating C-S-H-phase in concrete by IR-spectroscopy by Schmidt-Döhl, Frank Michael; Schulenberg, David; Tralow, Franziska; Neubauer, Jürgen; Wolf, Julian Johannes; Ectors, Dominique (2022) - Acta Polytechnica CTU Proceedings Q1 and Q2 structural units. The described method mea- sures the silicon content in the Q1 and Q2 structural units in the C-S-H. Crystalline minerals containing Q1 or Q2 structural units were used to calibrate the Q1/Q2 ratio. Keywords: analysis; calibration; silicon; specimen
• Integrated sustainability assessment using BIM by Henriques Alves FERREIRA , Maria Teresa; AGUIAR COSTA, António; Dinis SILVESTRE, José (2022) - https://doi.org/10.1016/j.autcon.2013.01.015 123 https://doi.org/10.2779/79139 https://doi.org/10.2779/19010 http://hdl.handle.net/10589/143041 https://doi.org/10.1016/j.autcon.2019.02.011 https://doi.org/10.1016/j.autcon.2019.02.022 https://doi.org/10.1016/j.autcon.2013.01.015 Acta Polytechnica CTU Proceedings 38:116–123, 2022 1 Introduction 2 Materials and Methods 2.1 Plugin Functionalities 2.2 Parametrization and Product Data Template (PDT) 2.3 Framework for BIM LCA LCC Analysis 3 Results 3.1 Buildings Assessment Information 4 Discussion 5 Conclusion Acknowledgements References The tool proposed in this paper aims to integrate different types of sustainability analysis, namely Streamlined Life Cycle Assessment (LCA), Carbon Footprint, Life Cycle Cost (LCC) and Level(s) framework with BIM. Keywords: analysis; assessment; bim; buildings; construction; lca; level(s; life; plugin; sustainability
• Structural reliability of existing rc beams strengthened with UHPFRC tensile layers by Simwanda, Lenganji; De Koker, Nico; Viljoen, Celeste; Babafemi, Adewumi John (2022) - The first being to assess the viability of the stress-block section analysis in the estimation of nominal bending moment capacity of RC beams strengthened on the tensile side with UHPFRC layers, and the second being to present and apply a statistical methodology for conducting reliability analysis of existing RC beams strengthened with UHPFRC tensile layers. Other conceptual ideas include additional layers on the compression side or even including on the sides (referred to as jackets) to improve the bending resistance of RC beams. Keywords: analysis; beams; concrete; corrosion; layer; reliability; steel; structures; tensile; uhpfrc
• Experimental analysis of the railway truss bridge using modern methods by Kálalová, Petra; Polák, Michal; Stančík, Vojtěch (2023) - The need for continuous or periodical evaluation of static or dynamic behaviour of structures in operation led to a good progress in the development of modern methods for experimental analysis. Because of the reasons above, good progress has been made in the development of modern methods for experimental analysis and monitoring of civil en- gineering structures. Keywords: analysis; bridge; cameras; deflections; dic; experiment; figure; method; points; stage

• MODERNIZATION OF RAILWAY STATIONS CESKA LIPA AND KARLOVY VARY WITH THE EXPECTED CO-FINANCING FROM EUROPEAN FUNDS FORM OPD2 by Kratochvíl, Radek; Janešová, Maria; Vopava, Jirí (2016) - The big problem of the railway network in the Czech Republic is its low technical level (insufficient track speed and frequent speed drops, low capacity, lack of interoperability, insufficient parameters for freight transportation, particularly the length of tracks in stations and terminals for multimodal transport), poor condition and lack of amenities of transport terminals, railway stations and stops and the related low comfort for passengers, resulting in low competitiveness in comparison with the road transport in most important directions and aspects. The article describes the planned modernization of railway stations in Česká Lípa and Karlovy Vary, their scope and financing. Keywords: construction; lípa; modernization; railway; station
• NONTRADITIONAL SUPPORT OF THE WEST PORTAL OF TUNNEL POVAZSKY CHLMEC by Faltýnek, Jan (2017) - Keywords: Tunnel, Finite element method (FEM), PLAXIS, shell structure, pile wall, anchor. Shell structure found on plain ground A shallow tunnel, where the rock strength increases very quickly with the depth, is a typical example of 1 http://dx.doi.org/10.14311/APP.2017.10.0001 http://ojs.cvut.cz/ojs/index.php/app Jan Faltýnek Acta Polytechnica CTU Proceedings Figure 1. Keywords: construction; excavation; portal; shell; shell structure; structure; tunnel
• FEATURES REGARDING INTERACTION OF ANCHOR PILES SUCH AS "TITAN" AND "GEOIZOL" WITH SOILS by Nikitenko, M.I.; Dubatovka, I.P. (2017) - Keywords: deep excavation pit; underground retaining wall; anchor piles Titan, Geoizol.. 1. Introduction Cut-off diaphragm wall was used for the protection of the deep excavation in the construction of a multifunc- tional complex in Minsk. Structural elements of anchor piles “Titan” and “Geoizol” combines the functions of a drilling rod when drilling wells through a progressive rotational movement of the rod with a drill bit, and an injector for injecting into the cavity a cement slurry, which, under pressure erodes at the bottom soil and under agitation then plugging the borehole, creating a hardening of shaft piles. Keywords: anchor; construction; piles; titan
• FIBER REINFORCED SAND BACKFILL FOR UNDERGROUND PEDESTRIAN CROSSINGS by Ponomarev, Andrei B.; Kleveko, V.I.; Moiseeva, O.V.; Kashapova, K.R. (2017) - The diagram of shell displacements for fibre reinforced sand backfill (umax = 20.71 mm) Figure 10. Numerical modelling of a tunnel shell made out of a corrugated metal structure was undertaken to evaluate the effectiveness of using fibre reinforced sand. Keywords: backfill; construction; pedestrian; sand
• 3D FEM ANALYSIS OF THE CONSTRUCTION PIT FOR A TBM-DRIVEN FLOOD DISCHARGE GALLERY by Hohberg, Jörg-Martin (2019) - The Sihl at Zurich main railway station in 1910 (left) and alternative flood relief projects (right) But even with the very low stiffnesses and low strengths of parameter set B2 (Table 2) the absolute displacements do not exceed 1.3mm (Figure 7). Keywords: construction; figure; flood; gallery; pit
• THECOMPARISON OF TWO DIFFERENT SPORTING EVENTS BASEDONTHETYPICALBEHAVIOROFTHEACTIVE SPECTATORS AND GRANDSTAND VIBRATIONS INDUCED BY THEM by Verner, Martin (2020) - behavior type was added up through the whole record- ing. In both cases, spectators behavior was observed together with grandstand structure dynamic response to their cheering activities. Keywords: behavior; construction; ice; stand
• High-speed rail – highway 2.0? by Krupík, Pavel (2021) - Keywords: High-speed rail, project management, predictive project life cycle, stakeholders, construc- tion 4.0. Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague HIGH-SPEED RAIL – HIGHWAY 2.0? Pavel Krupík Czech Technical University in Prague, Faculty of Civil Engineering, Department of Construction Management and Economics, Thákurova 7/2077, 166 29 Prague 6 Dejvice, Czech Republic correspondence: pavel.krupik@fsv.cvut.cz Abstract. Keywords: construction; czech; project; republic; speed
• Railway superstructure for high-speed rails by Týfa, Lukáš; Kruntorád, Jan; Tomaschko, Ondřej (2021) - Keywords: Track construction, track structure, track ballast, ballastless track, high-speed rail, investment and operational costs. In addition, current research and development in the field of ballastless track is moving towards extending the life of ballastless track well beyond this limit. Keywords: ballastless; ballastless track; construction; costs; rail; speed; track
• INFLUENCE OF NEW CONSTRUCTION PROJECTS ON VINOHRADY TUNNELS by Barták, Jiří (2022) - The following text only presents the assessment of construction phases 500 and 600 (demolition, construc- tion pit, new buildings) in section III’, which were the most important for the assessment of Tunnels II and III, with respect to the effect of asymmetric loading acting on the Tunnel III and the fact that the foun- dation base of the new buildings is in close proximity to the external surface of the lining of Tunnel III. PHASE 500: The diagram for the assessment in Phase 500 Demolition and Construction pit in section III’ is presented in Figure 8. The abutment wall has a 2m wide corridor in the middle, which is connected with Tunnel II and Tunnel III by transverse galleries, also 2m wide (see Figure 1). Keywords: buildings; construction; iii; tunnels; tunnels ii; vinohrady
• Construction 4.0 in the concept of the railway by Krupík, Pavel (2022) - However, the key problem is that most construction companies do not consider themselves part of the evolutionary process and behave as if digital innovation has no real impact on them. The dominant uncertainties are productivity, costs, quality of work, workforce and skills management, and health and safety, which are just some of the opportunities that Construction 4.0 could address. Keywords: bim; concept; construction; future; industry; railway; systems; use
• Transformation and acceleration of the construction supply chain through smart factories by Zander, Bennet; Lange, Kerstin; Decorte, Yanaika; Steeman, Marijke; Struck, Christian; Gieling, Chris (2022) - [2022-02-05]. https://www.domijn.nl/over- ons/duurzaamheid/indu-zero-showcase/ 309 https://doi.org/10.1016/j.promfg.2018.06.129 https://doi.org/10.15480/882.3137 https://doi.org/10.1080/15623599.2021.1896942 https://doi.org/10.1007/s10845-017-1384-5 https://northsearegion.eu/indu-zero/background/news/letter-of-intent-signed-by-14-parties/ https://northsearegion.eu/indu-zero/background/news/letter-of-intent-signed-by-14-parties/ https://transport.ec.europa.eu/system/files/2016-09/2008_12_logistics.pdf https://transport.ec.europa.eu/system/files/2016-09/2008_12_logistics.pdf https://www.domijn.nl/over-ons/duurzaamheid/indu-zero-showcase/ https://www.domijn.nl/over-ons/duurzaamheid/indu-zero-showcase/ Acta Polytechnica CTU Proceedings 38:302–309, 2022 1 Introduction 2 Methodology 3 Transformation of the construction supply chain through smart factories 3.1 Overview of the current industry processes 3.2 Smart factories and their impact on construction supply chains 4 Acceleration potential of renovation processes 4.1 Production 4.2 Logistics 4.3 On-site mounting 4.4 Time saving potential of the renovation process 5 Discussion and conclusions Acknowledgements References vinyl tarpaulin must be dismantled, and the humid climate also negatively affects construction site processes [8]. Keywords: chain; construction; days; factories; factory; future; logistics; processes; production; renovation; site; supply; time
• European Environmental Databases. OpenDAP, Spanish context. by Otero, Sheila; Montilla, Soledad; Tenorio, José Antonio; Sotorrio, Guillermo; Garnica, Teresa; Abad, Belén; Conde, Marta (2022) - It has a download platform for free databases and paid options, as well as methods and examples. The JRC is creating this common route by providing a reporting format (ILCD) and software for database development (Soda4LCA). Keywords: calculation; construction; cycle; database; epd; epds; life; opendap; openlca; products; results; software
• Earth structures – a summary of the last 50 years by Vaníček, Ivan (2023) - soil deformation increases again [7]. Earth structures and current trends Over time, there is an observable tendency towards the realization of higher earth structures, communication embankments, cuts, dams, landfills and thus a greater transition from the use of analytical calculation meth- ods to numerical ones (e.g., Potts and Zdravkovič Keywords: attention; construction; czech; earth; earth structures; engineering; soil; structures; tests

• The concept of fractured rock-mass modeling using DFN-based statistical volume elements by Lebeda, Martin; Kabele, Petr (2024) - [10] questioned the applicability of the continuum simulations on the scale of 10 to 100 meters, while fracture sizes occurring in the rock mass may range from millimeters to kilo- meters. Our previ- ous research [4] shows that, for DFNs with power-law fracture size distribution (with minimum fracture size on the order of decimeters), the RVE size should be on the order of tens of meters. Keywords: averaging; dfn; fractures; mass; rock; size; stiffness; stress; sve; tunnel; volume
• Understanding intrinsic stress effects on vibrational response of silicon nanowires by Pakzad, Sina Zare; Muzammil, Muhammad; Shirin, Mehdi Bostan; Ali, Basit; Coban, Semih Berk; Nacarkucuk, Ege; Kerimzade, Umut; Alaca, Burhanettin Erdem (2024) - 1. Introduction Silicon Nanowires (Si NWs) serve as fundamental com- ponents in the integration of microelectromechanical systems (MEMS) and nanoelectromechanical systems (NEMS), playing a pivotal role in next-generation electronics, energy applications, and ultra-sensitive sensors [1–3]. With their unique properties and the in- herent piezoresistivity, Si NWs exhibit remarkable po- tential across various domains, bridging fundamental scientific exploration with potential industrial applica- tions [4, 5]. Keywords: fabrication; nws; process; raman; resonance; si nws; silicon; stress; testing
• Burnout in agile software development by Vafek, Zdeněk (2025) - Not using Scrum could play a role here in maintaining higher stress levels. • Scrum master (one person) – ensures that the Scrum method in the team is used correctly, removes ob- stacles that may hinder the achievement of the goal and coaches the team to help implement the require- ments as efficiently as possible at the same time. Keywords: burnout; depersonalization; developers; exhaustion; hexaco; scrum; stress; team; work
• GEOMETRICAL OPTIMIZATION OF DENTAL IMPLANTS WITH REGARD TO OSSEOINTEGRATION by Řehounek, Luboš; Denk, František; Jíra, Aleš (2017) - The variant 0001B (cylindrical part 1.25 mm) has a mean value of σeqv,avg =61.6 MPa and the stress flow is distributed over a larger area. The variant 0001C (cylindrical part 3.00 mm) has a maximum value of σeqv,max =73.6 MPa, but the sys- tem of vertical ribs is situated now only in cancellous bone. Keywords: bone; implant; stem; stress
• DEFORMATION OF FE3SI SINGLE-CRYSTALS UNDER NANOINDENTATION by Čech, Jaroslav; Haušild, Petr; Materna, Aleš (2018) - Observed pop-in phenomenon, shape of the residual imprints and origin of the slip lines were explained on the basis of resolved shear stress computed by finite element model. Resolved shear stress τRSS corre- sponding to all possible slip system for bcc structure (i.e. 48 slip systems for planes {110}, {112}, {123} and directions <111>) Keywords: deformation; indentation; maximum; orientation; shear; slip; stress; systems
• LOCALIZATION ANALYSIS OF AN ORTHOTROPIC MULTI-SURFACE PLASTICITY MODEL UNDER UNIAXIAL STRESS by Pagani, Claudio; Jirásek, Milan; Horák, Martin (2020) - This law contains strain-like parameters κp, which represents the value of κc at the peak, i.e., at transi- tion from hardening to softening, and κm,x and κm,y, which correspond to the transition from parabolic to exponential softening, and also stress-like parameters σi,x and σi,y, which are the initial values of yield stress in directions x and y, σp,x and σp,y, which are the peak values of yield stress, σm,x and σm,y, which are the values of yield stress at transition from parabolic to exponential softening, and σr,x and σr,y, which are the values of residual yield stress. In this paper, the localization analysis of the pre- sented macro-model is carried out under the condition of uniaxial stress in tension and in compression. Keywords: compression; localization; plastic; stress; uniaxial
• MICRO-SCALE STUDY OF RESIDUAL STRESSES IN CR2O3 COATINGS SPRAYED BY APS by Decroos, Franck; Langlade, Cécile; Bourillot, Eric; Darut, Geoffrey; Francois, Manuel (2020) - Acta Polytechnica doi:10.14311/APP.2020.27.0042 Acta Polytechnica 27(0):42–47, 2020 © Czech Technical University in Prague, 2020 available online at http://ojs.cvut.cz/ojs/index.php/app MICRO-SCALE STUDY OF RESIDUAL STRESSES IN CR2O3 COATINGS SPRAYED Keywords: Coatings, chromium oxides, Raman Micro-Spectroscopy, residual stress, scanning mi- crowave microscopy. Keywords: coatings; ghz; investigation; measurements; microwave; raman; results; smm; spray; stress; stresses
• NUMERICAL COMPARISON OF TRANSGINGIVAL AND SUBGINGIVAL DENTAL IMPLANTS IN REGARD TO THEIR STRESS DISTRIBUTIONS by Řehounek, Luboš; Jíra, Aleš; Javorská, Gabriela; Bodlák, Daniel (2021) - The effect of internal versus external abutment connection modes on crestal bone changes around dental implants: a radiographic analysis. Comparison of placement of the 2 anal- ysed dental implant variants inside the bone. Keywords: abutment; connection; implant; screw; specimens; stress; tests; variant
• Return mapping scheme for the Hoek-Brown model with tension cut-off by Žalská, Tereza; Šejnoha, Michal (2023) - = σt − σ3 − σci ( s−mb σt σci )a (46) It is appropriate to point out that reordering of the principle stresses, and thus detection of the triaxial corner return, may occur during the described steps. These are defined as f23(σ2, σ3) = σ2 − σ3 − σci ( s−mb σ2 σci )a , (5) f12(σ1, σ2) Keywords: plastic; rankine; return; stress; surface; yield

• Astrophysics Without Black Holes, and Without Extragalactic Gamma-Ray Bursts by Kundt, Wolfgang (2014) - Such red- shifts may well be kinematic redshifts of matter ejected centrifugally from near the speed-of-light cylinder of a sufficiently magnetised, slowly spinning neutron star, hence need not mean a (cosmologically) large distance. Now let us look again at the five published distance estimates for GRBs, all of which imply source distances of less than a few kpc, depending on the strength S of the recorded burst [Kundt 2010]. Keywords: bursts; disk; distances; galaxy; grbs; kundt; mass; neutron; ray; star
• A Novel Approach in the WIMP Quest: Cross-Correlation of Gamma-Ray Anisotropies and Cosmic Shear by Regis, Marco (2014) - For γ-ray sources we consider the flux above 1 GeV nor- malized to the total EGB intensity measured by Fermi- LAT. Rev. D 66 (2002) 123502. doi:10.1103/PhysRevD.66.123502 DISCUSSION SERGIO COLAFRANCESCO: What are the ef- fects of DM-density profiles and of the cross-correlation of DM halos with gamma-ray emitting galaxies on the results you have shown? MARCO REGIS: DM density profiles in the inner part are model dependent; however this affects the cross-correlation angular power spectrum only at mul- tipoles ` > 103−104, so above the range of our interest. Keywords: correlation; ray
• Forty Years of X-Raying Narrow-Line Seyfert 1 Galaxies by Boller, Thomas (2014) - Other science cases which will be addressed during the eROSITA survey observations will be, (i) search for extreme X-ray variability and nonlinear X-ray variabil- ity, (ii) αox science and the global X-ray Baldwin effect, and (iii) multiwavelength source population properties. [17] Foschini, L. et al.,: 2012, A&A 548, 106. Keywords: boller; emission; galaxies; line; nls1s; ray
• Cosmological Evolution of the Central Engine in High-Luminosity, High-Accretion Rate AGN by Guainazzi, Matteo (2014) - Exceptions to this rules are '3% in large AGN X-ray spectroscopic surveys (Mateos et al. 2010), and can be easily explained by variability between non-simultaneous optical and X-ray observa- tions, X-ray obscuration by matter in the host galaxy, or even classification issues in poor-quality optical spec- tra. Sub-arc- second resolution imaging with Chandra, as well as the unprecedented XMM-Newton throughput have made possible a detailed characterisation of the high-energy Spectral Energy Distribution (SED) in large samples of AGN, covering a range in luminosity of almost ten orders of magnitudes, and cosmological distances well beyond the peak of the nuclear activity (Brandt & Hasinger 2005, Elvis et al. 2012, Pounds 2013). Keywords: a&a; accretion; agn; apj; elvis; emission; engine; et al; evolution; luminosity; ray
• A Multi-Wavelength View of the XMM-Newton Galactic Plane by Gómez-Morán, Ada Nebot; Motch, Christian (2014) - This example reflects the diffi- culty of multi-wavelength identification of X-ray sources in the Galactic Plane. Last but not least, different popula- tions of theoretically predicted X-ray binaries are still to be discovered. Keywords: galactic; ray; sources; stars; survey
• Multifrequency Behaviour of the Gamma-Ray Binary System PSR B1259-63: Modelling the FERMI Flare by van Soelen, Brian; Meintjes, Pieter J. (2014) - Of these, it is only in PSR B1259-63 that the nature of the compact object is known due to the detec- tion of pulsed radio emission (Johnston et al., 1992a). The gamma- ray binary system consists of a 48 ms pulsar, in an ec- centric (e = 0.87) 3.4 year orbit around a Be star (e.g. Johnston et al., 1992, 1994), with a spin-down luminos- ity of Ė = 8.3 × 1035 erg s−1 (e.g. Wang et al., 2004). Keywords: emission; et al; fermi; periastron; ray
• ARGO-YBJ: Highlights and Prospects by Di Sciascio, Giuseppe (2014) - The sensitivity of LHAASO- WCDA + LHAASO-KM2A (green line) for detection of point gamma ray sources is compared to other experi- ments or projects in Fig. 3.1 The Compton-Getting effect The origin of CR anisotropies is still unknown there- fore, the observation of an expected anisotropy is im- portant to check the reconstruction algorithms, the ex- posure and background calculations and the stability of the detector performance. Keywords: argo; detector; experiment; galactic; ray; significance; ybj
• Modelling the Multifrequency SED of AGN Candidates among the Unidentied EGRET and Fermi Gamma-Ray Sources by Meintjes, Pieter J.; Nkundabakura, Pheneas; van Soelen, Brian; Odendaal, Alida (2014) - In all the models the electron Lorentz factors were γe ∼ few × 103, rather modest in comparison with the Lorentz factors re- quired to explain the γ-ray emission from, for example, Cen A. 7 Conclusions We report the discovery of 13 flat spectrum extragalac- tic sources within the error boxes of some high galactic latitude, unidentified EGRET sources. The SEDs of the sample of EGRET sources and the associated Fermi- LAT counterparts are presented in Fig. Keywords: egret; fermi; gamma; lat; radio; ray; sources
• Black Hole Results from XMM-Newton by Schartel, Norbert (2014) - The strong gravitational field Currently, X-ray observations are the only way to ob- serve the strong gravitational field in the direct vicinity of black holes and neutron stars ([14]). A periodicity of ˜1hour in X-ray emission from the active galaxy RE J1034+396. Keywords: a&a; et al; hole; mnras; newton; observations; ray; xmm
• Be/X-Ray Binaries with Black Holes in the Galaxy and in the Magellanic Clouds by Ziolkowski, Janusz (2014) - doi:10.1007/s10509-010-0575-8 [30] Negueruela, I., Okazaki, A.T., Fabregat, J. et al.: 2001, A&A 369, 117. This classification was defined by Negueruela & Okazaki 2001 and Negueruela et al. 2001. Keywords: atel; binaries; et al; hole; ray; star
• Are Supernovae Responsible for the Gamma Ray Spectrum from the Galactic Center? by Stanev, Todor (2014) - One example of the Fermi/LAT studies of the diffuse gamma ray radi- ation in the Galaxy is in (Ackermann et al, 2012) where the small and large scale anisotropy is studied and the existence of unknown gamma rays sources is discussed. This means that are 30,000 more gamma rays above 100 MeV than are gamma rays above 100 GeV. Keywords: galactic; gamma; gamma ray; ray; rays; remnants; sources; supernova
• Multi-Wavelength View of Supernova Remnants by Sasaki, Manami (2014) - X-ray synchrotron emission is only observed in younger SNRs and is indicative of electrons with energies of up to 1014 eV. The angular resolution of the newer X-ray tele- scopes, in particular that of the Chandra X-ray obser- vatory, made it possible to reveal narrow filaments of non-thermal X-ray emission close to the outer shock in several young SNRs: Soon after, more SNRs were also confirmed to radiate non-thermal X-ray emission: Cas A (e.g., The et al., 1996, Allen et al., 1997), RX J1713.7-3946 (G347.3- 0.5, Pfeffermann & Aschenbach, 1996), RX J0852.0- 4622 (G266.2-1.2, Vela Jr, Aschenbach 1998). Keywords: emission; et al; ray; snr; snrs
• Expected Hard X-Ray and Soft Gamma-Ray from Supernovae by Maeda, Keiichi; Terada, Yukikatsu; Bamba, Aya (2014) - The model DD2D asym 04 is for bright SNe Ia (resulting in ∼ 1M� of 56Ni), while 205 http://dx.doi.org/10.14311/APP.2014.01.0205 Keiichi Maeda, Yukikatsu Terada, Aya Bamba Figure 1: Examples of the delayed-detonation models (Kasen et al., 2009; see also Maeda et al., 2010b). Conditions for the ini- tial triggers have not been clarified from the first prin- ciple (e.g., Seitenzahl et al., 2013), thus Kasen et al. (2009) adopted various conditions (i.e., distribution of the sparks) and produced a range of the ejecta models. Keywords: et al; ray; sne
• X-Ray and Near-Infrared Spectroscopy of Dim X-Ray Point Sources Constituting the Galactic Ridge X-Ray Emission by Morihana, Kumiko; Tsujimoto, Masahiro; Ebisawa, Ken (2014) - We identified ∼11% of X-ray point sources with NIR and extracted NIR spectra for some of them. We finally obtained 33 NIR spectra of the X-ray point source in the CBF. Keywords: group; kev; nir; point; ray; sources; spectrum
• Unveiling the Nature of INTEGRAL Objects: a Review by Parisi, Pietro (2014) - This makes use of the unique imaging capability of the IBIS instrument (Ubertini et al. 2003) which allows the detection of sources at the mCrab level with a typical localization accuracy of a few arcmin. 547 [15] Masetti, N., Pretorius, M.L., Palazzi, E., et al. 2006b, A&A, 449, 1139 [16] Masetti, N., Bassani, L., Bazzano, A., et al. 2006c, A&A, 455, 11 [17] Masetti, N., Morelli, L., Palazzi, E., et al. 2006d, A&A, 459, 21 [18] Masetti, N., Landi, R., Pretorius, M.L., et al. 2007, A&A, 470, 331 Keywords: a&a; et al; ibis; objects; ray; sources
• The X-Ray Binary KS 1731{260: Possible Analogy with Her X-1 by Šimon, Vojtěch (2014) - 5 Conclusions The modulation of X-ray emission in KS 1731–260 was first attributed to the precession of the accretion disk by [22]. All this implies that the superorbital cycle can operate even for such largely different mechanisms of X-ray emission, hence for the largely different B and the accretion flows near the NS. Keywords: 1731–260; cycle; ray; state; x-1
• The HiSCORE Project by Tluczykont, M.; Brückner, M.; Budnev, N.; Chvalaev, O.; Dyachok, A.; Epimakhov, S.; Gress, O.; Hampf, D.; Horns, D.; Ivanova, A.; Kalmykov, N.; Konstantinov, E.; Korosteleva, E.; Kozin, V.; Kunnas, M.; Kuzmichev, L.; Lubsandorzhiev, B.; Mirgazov, R.; Monkhoev, R.; Nachtigall, R.; Panasyuk, M.; Pakhorukov, A.; Poleschuk, V.; Porelli, A.; Prosin, V.; Ptuskin, V.; Rubtsov, G. I.; Satunin, P. S.; Semeney, Yu.; Spitschan, D.; Skukhin, A.; Sveshnikova, L.; Wischnewski, R.; Zagorodnikov, A.; Zirakashvili, V. (2014) - [mV] 210 T rig ge r ra te [H z] 1 10 210 310 410 510 610 710 Figure 4: The trigger rate (station 4) as a function of the trigger threshold, measured with the DRS 4 evalu- ation board in Spring 2013 (Epimakhov et al. 2013). 285 Martin Tluczykont et al. Similar measurements using the FADC readout yield consistent results (Wischnewski et al. 2013). Keywords: array; cosmic; detector; et al; gamma; hiscore; ray; tunka
• Soft X-Ray Polarimeter: Potential Instrumentation and Observations by Marshall, Herman L.; Schulz, Norbert S. (2014) - McNamara et al. (2009) recently sug- gested that X-ray polarization data could be used to de- duce the primary emission mechanism at the base, dis- criminating between synchrotron, self-Compton (SSC), and external Compton models. Schnittmann & Krolik (2009) partic- ularly show that the variation of polarization with en- ergy could be used as a probe of the black hole spin and that the polarization position angle would rotate through 90 deg between 1 and 2 keV in some cases, ar- guing that X-ray polarization measurements are needed both below and above 2 keV (fig. 1). Keywords: kev; marshall; multilayer; polarization; ray
• Concluding Remarks by Bisnovatyi-Kogan, Gennady S. (2014) - 1 2 Magnetic Field in Astrophysics *Core-collapse SN explosions *CR acceleration in SNR *Accretion disk structure and coronae formation *Jet formation and collimation *Magnetic accretion and cyclotron lines *Magnetars 2.1 X-ray sources Heating of accretion disk corona by magnetic recon- nection (S. Orlando). Lett. 2, 191-193 (Sep.- Oct. 1976) and A.A. Galeev, R. Rosner, G.S. Vaiana ”Structured coro- nae of accretion disks”. Keywords: accretion; corona; disk; ray
• The Golden Age of Cataclysmic Variables and Related Objects (Old and News) by Giovannelli, F.; Sabau-Graziati, L. (2015) - Therefore the investigation on the magnetic field in- tensities in WDs is crucial in understanding the evolu- tion of CVs systems. Consequently, the investigation on the magnetic field intensities in WDs appears crucial in understanding the evolution of CVs systems, by which it is possible to gen- erate classical novae (e.g., Isern et al., 1997) and type-Ia supernovae (e.g., Isern et al., 1993). Keywords: accretion; apj; cvs; disc; dwarf; eds; et al; field; gap; giovannelli; mass; novae; objects; outburst; period; ray; sabau; systems; warner; wds
• Supersoft X-Ray Source CAL 83: A Possible AE Aqr-like System by Odendaal, A.; Meintjes, P. J.; Charles, P. A.; Rajoelimanana, A. F. (2015) - The optical spectrum of CAL 83 is characterized by Balmer and He ii accretion disc emission lines (Co98 and references therein). 2.3 Fast photometry with SHOC In April 2013, fast photometrical observations were ob- tained with one of the Sutherland High-speed Optical 1www.starlink.rl.ac.uk/star/docs/sun167.htx/sun167.html 95 A. Odendaal et al. Cameras (SHOC2) on the SAAO 1.9-m Telescope at Sutherland. Keywords: accretion; cal; mass; period; ray
• Investigating Long-Term Behaviour of X-ray Binaries Using Archival Data by Kotze, M. M.; Charles, P. A. (2015) - 128 Acta Polytechnica CTU Proceedings 2(1): 128–132, 2015 128 doi: 10.14311/APP.2015.02.0128 Investigating Long-Term Behaviour of X-ray Binaries Using Archival Data M. M. Kotze1,2, P. A. Charles2,3 1South African Astronomical Observatory, P.O. Box 9, Observatory 7935, South Africa (SA) 2Astrophysics, Cosmology and Gravity Centre (ACGC), Astronomy Department, University of Cape Town, Rondebosch 7701, SA 3School of Physics & Astronomy, University of Southampton, Southampton SO17 1BJ, UK Corresponding author: marissa@saao.ac.za Abstract Long term modulations have been detected in a wide variety of both low and high-mass X-ray binaries. Keywords: accretion discs - X-ray binaries. Keywords: disc; ray
• Recurrent Novae — A Review by Mukai, K. (2015) - This is in stark con- trast to the studies of X-ray bursts, which are TNRs on accreting neutron stars. Yet, even in the case of X-ray bursts, puzzles remain (Galloway et al. 2008). Keywords: accretion; mass; novae; pyx; rate; ray; rne; symbiotic
• The Recurrent Eclipsing Nova U Sco: A Short Review by González-Riestra, R. (2015) - [20] Williams, R., Sparks, W. Gallagher, J. et al.: 1981, ApJ 251, 221 256 http://dx.doi.org/10.1088/0067-0049/187/2/275 http://dx.doi.org/10.1088/0004-637X/742/2/113 Introduction Before 2010: UV data Before 2010: X-ray data The 2010 Outburst X-ray observations Swift Suzaku High resolution spectroscopy: Chandra and XMM-Newton Optical spectroscopy The evolution of the outburst Conclusions Figure 2: X-ray high resolution spectra (left panel) and light curves (right panel) of U Sco during the 2010 outburst. Keywords: day; outburst; ray
• X-Ray Observations of VY Scl-Type Nova-Like Binaries in the High and Low State by Zemko, P.; Orio, M. (2015) - In one case, BZ Cam, the X-ray luminosity increases in the low state, and in the others, the decrease in X-ray flux in the low state is smaller than that in the optical and UV. A second explanation for the lack of correlation of UV/optical versus X-ray flux variations, involving magnetic accretion, appears more plausible at least for three of the systems. Keywords: cam; flux; low; ray; state
• Rotation of the Mass Donors in High-mass X-ray Binaries and Symbiotic Stars by Stoyanov, K.; Zamanov, R. (2015) - Accretion of matter is different for both types of X-ray binaries. [yr] lifetime [yr] Be/X-ray binaries LSI+610303* 2.8×107 2.4×108 Keywords: binaries; giant; mass; ray; rotation; stars
• The Golden Age of Cataclysmic Variables and Related Objects - II Concluding Address by Giovannelli, F. (2015) - Consequently, the investigation on the magnetic field intensities in WDs appears crucial in understanding the evolution of CVs systems, by which it is possible to gen- erate classical novae (e.g., Isern et al., 1997) and type-Ia supernovae (e.g., Isern et al., 1993). However, they lost rapidly their primeval importance because of the advent of the first X-ray space experiments that, with their limited sen- sitivity, were mostly detecting X-ray binary systems (XRBs) that showed X-ray emissions abundantly over the thresholds of their detectors. Keywords: cvs; lipunov; mass; objects; ray; systems; workshop
• High-speed X-ray radiography for experiments in impact dynamics using high-power X-ray tube, cesium iodine scintillator and laboratory optical camera by Šleichrt, Jan; Falta, Jan; Fíla, Tomáš (2023) - Corresponding X-ray images of the typical specimens taken with different settings are shown in Figure 6 including histograms normalized to full range of the chip. Experiment The experimental program was divided into two main parts: i) investigation of full-beam intensities and image quality of typical specimens in stationary posi- tion with a variety of X-ray tube and imaging camera settings, and ii) imaging of fast rotating object. Keywords: binning; camera; fps; gain; image; imaging; ray; tube

• THE INTERACTION OF FLOODS WITH TRANSPORT INFRASTRUCTURE by Vaníček, Ivan; Vaníček, Jiří (2018) - The character of transport infrastructure failures 2.1 Floods in the Blatná region in 2002 2.2 Floods in the Frýdlant region in 2010 2.3 Floods in the Bari region in 2005, Italy 3 Conclusions References Current demands on transport infrastructure are very often associated with the terms of “sustainability, availability and affordability”. Keywords: floods; infrastructure; interaction; transport; water
• EFFECTS OF ABRASIVES DURING ACCELERATED SIMULATION OF MECHANICAL CORROSION OF CEMENT COMPOSITES USING ABRASIVE WATER FLOW by Hlaváček, Petr; Sitek, Libor; Klichová, Dagmar; Bodnárová, Lenka (2019) - The comparison of surfaces of identical aggregate exposed to pure water (left) and abrasive water flow (right) is visible on the Fig. Abrasive erosion of concrete in hy- draulic structures is caused by water-transported silt, sand, gravel, ice, or debris while cavitation erosion is a result of the collapse of vapour bubbles formed by pressure changes within a high-speed water flow. Keywords: abrasive; aggregate; concrete; erosion; flow; speed; surface; water; water flow
• PREPARATIONS FOR REMEDIATION OF A FORMER SURFACE MINE – A TECHNICAL RECLAMATION AREA by Černoch, Petr; Košťál, Jiří (2019) - The Area of Interest and its History The structure presented as identifiable with the tech- nical reclamation area is located in the south-eastern part of an extended zone of surface mines and consti- tutes the refilling phase of a large-scale reclamation scheme to restore areas where there were formerly min- ing operations. In the southern and north-eastern front zone of the structure, there are permanently waterlogged places which are relatively large in area. Keywords: area; drainage; reclamation area; stability; structure; surface; technical; water
• GEOTECHNICAL ANALYSIS OF TRANSFORMING A WATER MANAGEMENT STRUCTURE TO A TRANSPORTATION STRUCTURE by Slávik, Ivan; Hruštinec, Luboš (2021) - The effects of culvert channel construction and re- alization of backfills and rock cover of the culvert channel (LS2) (floor of the supply channel and body of the earth embankment) resulted in maximum set- tlement of footing bottom smax = 50.1 mm. The effects of culvert channel construction, real- ization of backfills and rock cover of the culvert channel and filling of 5 channels of the culvert chan- nel by water at minimum water level in the supply channel (LS3) resulted in maximum settlement of footing bottom smax = 47.9 mm. Keywords: channels; culvert channel; level; loading; state; supply channel; water; water level
• FOUNDATION OF THE NEW RAILWAY BRIDGE OVER THE NOSICKÁ DAM ON THE RIVER VÁH by Zaťko, Maroš (2021) - Bored piles, as well as vibrated sheet piles, welding and assemblage work have all been carried out from a floating pontoon platform and also there was jet grouting applied to stabilize embankments. Preparatory work As part of the preparatory work for operating on water, also embarkation of equipment and materials, there was realized a dock edge between pillars P11 and P12 made of vibrated sheet piles reinforced by a circumferential stiffening beam. Keywords: bridge; drilling; piles; pontoon; sheet; sheet piles; water; work
• Environmental impacts of using desalinated water in concrete production in areas affected by freshwater scarcity by Arrigoni, Alessandro; Opher, Tamar; Spatari, Sabrina; Arosio, Valeria; MacLean, Heather L.; Panesar, Daman K.; Dotelli, Giovanni (2022) - Keywords: Carbon footprint, desalinated water, seawater, water footprint. x Mixinga 0.0 Excluded Total 1.8 · x 0.016 · x a The energy intensity of the mixing process, and therefore the greenhouse gas emissions and water footprint associated with the process, is assumed to be independent from the water used (DSW or SW) and therefore excluded from the analysis. Keywords: batching; concrete; cycle; desalination; life; plant; production; seawater; water
• Physical properties of portland cement based concrete exposed at a depth of 3520 m in the Nankai Trough by Nomura, Shun; Kasaya, Takafumi; Sakoi, Yuki; Fukada, Hisashi; Matsumoto, Akira (2022) - Concrete specimens (36) were placed in six plastic baskets (400×272×300 mm; Figure 3). Discussion The compression and ultrasonic tests confirm that the mechanical states of concrete specimens exposed in the deep sea were different to those exposed to fresh and salt water, with the deep-sea specimens be- ing more ductile and softer. Keywords: compression; concrete; exposure; figure; japan; sea; specimens; water
• Determination of water absorption coefficient of unfired earth materials different in used clay and ratio of components by Mužíková, Barbora; Plaček Otcovská, Tereza; Padevět, Pavel (2022) - Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague DETERMINATION OF WATER ABSORPTION COEFFICIENT OF UNFIRED EARTH MATERIALS DIFFERENT IN USED CLAY AND RATIO OF COMPONENTS Barbora Mužíková∗, Tereza Plaček Otcovská, Pavel Padevět Czech Technical University in Prague, Faculty of Civil Engineering, Thakurova 7, 166 29 Prague 6, Czech Republic ∗ corresponding author: barbora.muzikova@fsv.cvut.cz Abstract. Method of Determining Water Absorption Coefficient Specimens of measurement 40×40×160 mm were used for the test of water absorption. Keywords: clay; earth; specimens; water
• Improving the properties of unburned earth to control the interior microclimate by Procházka, Michal; Zušťák, Zbyněk; Svoboda, Pavel (2022) - The proportion from 15 to 30 % by weight is suitable for clay mixtures with a lower water content for stamping into formwork. Shrinkage of clay mixtures Keywords: clay; earth; mixture; plasters; shrinkage; step; water; weight

• EXPERIMENTAL VALIDATION OF CUMULATIVE SURFACE LOCATION ERROR FOR TURNING PROCESSES by Kiss, Adam K.; Bachrathy, Daniel (2016) - List of symbols SLE Surface Location Error [mm] CSLE Cumulative Surface Location Error [mm] w width of cut [mm] w0 pre-set width of cut [mm] h feed per revolution Keywords: cutting; error; figure; force; location; surface
• COMPARISON OF OPTICAL METHODS FOR CHARACTERIZATION OF GLASS MOSAIC WEATHERING by Kocour, Vladimir; Petranova, Veronika; Valach, Jaroslav (2016) - Nanoindenter with SPM Degradation of coating surface was also studied by nanoindenter (Hysitron TI-750). Sufrace Characterization of Specimens It is known that surface roughness and angular reflec- tivity are closely related to surface topography and can be used to characterize the degree of degradation. Keywords: coating; glass; light; methods; microscopy; roughness; surface; weathering
• COMPARISON OF PARAMETERS OF SURFACE INTEGRITY OF MACHINED DUPLEX AND AUSTENITE STAINLESS STEELS IN RELATION TO TOOL GEOMETRY by Čapek, Jiří; Pitrmuc, Zdeněk; Kolařík, Kamil; Beránek, Libor; Ganev, Nikolaj (2017) - With in- creasing positive side rake angle, the amount of strain- induced martensite decreases. In other words, increasing side rake angle results in lower cutting force and temperature Keywords: angle; austenite; duplex; martensite; phase; rake; steel; stresses; surface
• SURFACE CHARACTERIZATION OF TITANIUM ALLOYS FOR NITROGEN ION IMPLANTATION by Vertat, Petr; Drahokoupil, Jan; Vlcak, Petr (2017) - Samples characterization after the nitrogen ion implantation After the nitrogen ion implantation into Ti–6Al–4V samples using the suitable implantation parameters, desired surface hardening is observed as proven by the typical depth profile of the nanoindentation hardness (Figure 7) Depth profile of the indentation hardness measured on Ti–6Al–4V sample before and after the nitrogen ion implantation. Keywords: diffraction; grade; implantation; sample; surface
• PLASMA MODIFICATION OF POLYVINYL ALCOHOL MICROFIBERS TO IMPROVE COHESION WITH CEMENT MATRIX by Ďureje, Jakub; Prošek, Zdeněk; Trejbal, Jan; Tesárek, Pavel (2019) - Keywords: Plasma fiber modification, fiber surface modification, hydrogen plasma, oxygen plasma, polyvinylalcohol fibers, PVA fibers. Fibers modification. Keywords: fibers; hydrogen; modification; oxygen; plasma; pva; surface
• HARDNESS OF NITRIDED LAYERS TREATED BY PLASMA NITRIDING by Joska, Zdeněk; Pokorný, Zdeněk; Kadlec, Jaromír; Studený, Zbyněk; Svoboda, Emil (2020) - In AISI 316L steel, a zone of higher carbon content was also found at a depth of 15 µm below the surface, but it is not apparent in the cross-section Fig. In AISI 316L steel the nitrided layer reached a thickness of 40 µm. Keywords: aisi; layer; nitriding; plasma; steel; surface
• LASER-INDUCED SURFACE ACOUSTIC WAVES FOR THIN FILM CHARACTERIZATION by Kudělka, Radim; Václavek, Lukáš; Tomáštík, Jan; Malecová, Sabina; Čtvrtlík, Radim (2020) - Knowledge of mechanical properties of thin films is essential for most of their applications. Keywords: Anisotropy, laser-induced surface acoustic waves, nanoindentation, thin films, Young’s modulus. Keywords: film; frequency; law; modulus; nanoindentation; substrate; surface; thickness; young
• INVESTIGATION OF CRITICAL HEAT FLUX ON ABRADED INCONEL 625 TUBE by Suk, Ladislav; Števanka, Kamil; Petrosyan, Taron; Vlček, Daniel (2020) - Effect of channel geometry on critical heat flux for low pressure water. Keywords: Annulus, critical heat flux, flow boiling, Inconel 625. Keywords: boiling; chf; experiments; flow; flux; heat; pressure; surface; tube
• Properties of concrete using crushed stone powder with various specific surface areas by Matsuka, Takeju; Suzuki, Mariko; Matsushita, Haruhiko; Yokota, Hiroshi; Sakai, Koji (2022) - However, a large amount of crushed stone powder is produced as by-products in the manufacturing process. Unless effective utilization of crushed stone powder is considered, it is not a sufficient measure in terms of sustainability. Keywords: concrete; figure; powder; stone; stone powder; surface
• Influence of oxygen and argon plasma treatment on wettability and surface morphology of polypropylene microfibers by Ďureje, Jakub; Prošek, Zdeněk; Trejbal, Jan; Potocký, Štepán; Tesárek, Pavel (2022) - Percentage weight loss of microfibers af- ter argon and oxygen plasma treatment (A, O) and respective time in seconds (30, 60, 120, 240 and 480). Wettability measured by the indirect Packed Cell method – reference microfibers (REF) microfibers after argon and oxygen plasma treatment (A, O), respective time in seconds (30, 60, 120, 240 and 480) and samples that were tested after 12 hours in a laboratory environment (12H). Keywords: argon; microfibers; modification; oxygen; plasma; surface
• A modular extension of a finite element contact implementation by Faltus, Ondřej; Horák, Martin (2022) - In the case of contact, it is unclear how to introduce contact forces and resulting algorithmic stiffness into this process. Keywords: Contact, large strains, penalty method, 3D contact, node-to-segment, OOFEM. Keywords: contact; element; node; object; oofem; segment; surface
• Mesh generation and mechanical tests of basic element cells of porous structures by Řehounek, Luboš; Jíra, Aleš (2022) - gyroid structure has t = 0 with a CAD-defined wall thickness of 0.5 mm. The mechanical tests performed on PA12 specimens show that the sheet gyroid structure is much better suited for biomedical applications than trabecular structures with better values of peak stress (Table 1). Keywords: gyroid; sheet; structure; surface; tests
• The possibilities of utilising the skiddometer T2GO for forensic engineering by Kohout, Tomáš; Vrtal, Pavel; Hoffmann, Adam; Blodek, Tomáš (2023) - State of the art For the assessment of road surfaces, a large number of different measuring devices have been developed over time, especially those for the determination of the coefficient of friction by continuous measurement (CFME devices), which are often more suitable and considerably faster for practical use than the previ- ously mentioned conventional stationary devices. The characteristics of the individual surfaces correspond to those that are standardly, most frequently, used in the Czech Republic and cover the entire range of the classification scale evaluating the coefficient of friction of road surfaces. Keywords: coefficient; devices; friction; measurement; measuring; measuring devices; road; speed; surface; t2go

• Causes of battery fires in railway vehicles and challenges of extinguishing by Krejčí, Jiří (2025) - This does not refer to traditional vehicle fires, which firefighters frequently handle, but rather to the grow- ing category of battery fires, most commonly involving lithium-ion batteries. Issues with batteries and their placement on vehicles Nowadays, there are two approaches to dealing with battery fires. Keywords: batteries; battery; bemu; czech; extinguishing; fire; railway; safety; units; vehicles
• PROBLEMS OF EN 50 128:2011 RAILWAY STANDARD by Brandejský, Tomáš (2016) - Problems of EN50128 Application The CENELEC’s standard EN 50128 Railway appli- cations – Communications, signalling and processing systems – Software for railway control and protec- tion systems was defined as part of three standards group [1] [2] [3] applying standard IEC 61508 Func- tional safety of electrical/electronic/programmable electronic safety-related systems into the specific area of railway systems. Growing complexity of railway systems, especially of such systems as ERTMS, tends to requirement of such SIL. Keywords: application; railway; safety; standard; systems
• ON OPERATION OF 740 M LONG FREIGHT TRAINS ON CZECH TEN-T RAILWAY NETWORK by Drábek, Michal; Janoš, Vít; Michl, Zdeněk (2016) - Pres- ence or absence of long overtaking tracks is commented for each line group. Because of busy traffic, the actual number of long overtaking tracks is not sufficient at all. Keywords: czech; freight; line; overtaking; railway; track; trains
• CURRENT CHALLENGES FOR RESEARCH ACTIVITIES IN THE FIELD OF RAILWAY INFRASTRUCTURE by Plasek, Otto (2016) - The paper is aimed in the specific technical aspects of rail infrasructure, which emphasize their ability to contribute to an efficient and sustainable transport in Europe and justify motivations for increasing the attractiveness of rail transport. The necessity of transformation of rail transport to become more attractive and to increase its market share of passenger and freight transport for medium distance (up to 300 km) in 2050 is defined in this strategic plan. Keywords: development; european; infrastructure; rail; railway; research; speed; transport
• RAILTOPOMODEL AND RAILML 3 IN OVERALL CONTEXT by Hlubuček, Adam (2017) - Track alignment 19 Adam Hlubuček Acta Polytechnica CTU Proceedings In railML 2, the most of these parameters can be ex- pressed in two different ways: through infrastructure attribute groups (to be assigned to a certain track) or as track elements (changes within a track). Although the railway system is based on relatively similar principles across the whole Europe, there are many nationally specific details that should be ad- dressed in a coordinated manner in order to make the constantly evolving railML system universal enough to enable different software application to consistently communicate with each other. Keywords: elements; entities; infrastructure; level; railml; railtopomodel; railway; topology; track
• RAILWAY TRAFFIC OPTIMIZATION by Kamenický, Dušan; Brandejský, Tomáš; Fábera, Vít; Gopak, Valerii (2017) - Implementation in Railway Laboratory Railway Laboratory was founded at the Faculty of Transportation Sciences which serves as a place to simulate train traffic control and interlocking system. To increase capacity of railway traffic and effectivity by optimization of operative control, it means to solve several partial problems that are very difficult: pre- diction of train paths, conflicts detection and optimal solution of these conflicts. Keywords: control; description; infrastructure; railml; railway; time; train
• FACTORS INFLUENCING THE FEE FOR USE OF THE RAILWAY INFRASTRUCTURE by Novák, Petr; Cempírek, Václav (2017) - It is necessary to update the current system of levying charges for railway infrastructure to reflect the current market situation, to take into account the new transport strategy established by the European Union, and to reflect legislative changes in relation to Directive 2012/34/EU on creating a single European railway area. The existence of different opinions on the amount and way to charge fees for railway infrastructure have led the authors of this academic paper to create a plan for a system of charges to be derived from the current production factors as well as from a number of specific new factors used in countries neighboring the Czech Republic. Keywords: infrastructure; price; railway; railway infrastructure; train; transport
• POSSIBLE WAYS OF IMPROVING RAILWAY OPERATION AND INFRASTRUCTURE IN AREA BETWEEN DECÍN AND RUMBURK by Purkart, Pavel; Vodák, David; Hoření, Tomáš; Javořík, Tomáš (2017) - The closer to Děčín or Rumburk a populated area is, the more people are commuting, • part of inhabitants also commutes to smaller cities such as Česká Kamenice, Benešov nad Ploučnicí, Šluknov and etc. • very significant is commuting to the regional capital Ústí nad Labem, but commuting to another regional capital – Liberec, has also been found in a part of the area (railway line 038), • many inhabitants from the Rumburk area are commuting to Varnsdorf and we also can- not omit the influence of Česká Lípa, • it is appropriate to ensure availability of Prague for whole area, • breaking branches of railway lines 081, 083 in Rum- burk does not influence major numbers of passen- gers (breaking somewhere else can have worse con- sequences), but their connection may bring significant improvement of transport in the whole area (direction to/from Varnsdorf) of transport to larger cities – that makes this idea meaningful. Following railway lines can be included into the researched area (numbers according to the timetable 2016/2017 Keywords: area; děčín; line; railway; rumburk; station; trains
• HIGH SPEED RAILWAY LINES – FUTURE PART OF CZECH RAILWAY NETWORK? by Týfa, Lukáš; Vodák, David (2017) - Freight trains on high speed lines 4 General benefits of high speed railway network 5 Methodology of project comparison and its application 6 Conclusion References High speed railway lines include [2]: newly built lines for speeds up to 250 km/h, up- graded conventional lines for speeds of approximately 200 km/h and upgraded conventional lines with spe- cial attributes. Keywords: costs; infrastructure; line; network; railway; speed; trains; transportation
• RECONSTRUCTION OF NEGRELLI'S VIADUCT FROM A GEOTECHNICAL ENGINEERING POINT OF VIEW by Černá Vydrová, Linda (2019) - For the caissons, sheet piles were used, and also balks of timber with a wedge-shaped point that was plated. A couple of those tips, sheet piles and piles were found during excavations of material from the future caissons. Keywords: arches; bridge; drilling; foundation; grouting; railway; reconstruction; sheet; viaduct
• High-speed rail network and periodic timetable: a comparative analysis of operational concepts by Drábek, Michal; Mazel, Dominik; Pospíšil, Jiří (2021) - There are two main segments of HS service – AVE, and AVANT with Alvia [14]. This paper compares chosen European high-speed railway (HS) networks in terms of their offer of HS passenger service. Keywords: approach; lines; network; periodic; railway; service; speed; trains
• Research tools aplicable in designing of high-speed and high-power rail vehicles by Dybala, Vojtěch (2021) - The rollers simulating endless rails can be of two basic design types, as applied for roller rigs at CTU in Prague: • Disc type rollers – Figure 1 left, • Drum type rollers – Figure 1 right, which is a pro- totype roller From the historical point of view roller rigs touches the remote past. The laboratory experiments have been carried out on a specially designed laboratory equipment called roller rigs. Keywords: figure; railway; research; rig; roller; torque; torsion; wheel
• Possible changes in transport conception of international and long-distance railway connections relating the construction of new high-speed railway lines in the Czech Republic by Purkart, Pavel; Vodák, David; Javořík, Tomáš; Jacura, Martin (2021) - Praha – Plzeň is primarily going to be routed on RS line, if there is not any segment of conventional line remained. We have to question the importance of the line R16 Praha – Plzeň – Klatovy, which is partly regional, but, thanks to the strong transport connection between Klatovy area and Praha, it can be divided into two lines in Plzeň – selected trains from Klatovy area may be routed on RS line from Plzeň. Keywords: czech; lines; network; praha; railway
• Modern railways for the 21st century – a challenge not only for designers by Kolář, Josef (2022) - Keywords: Active safety, design vehicles, ETCS, high speed railway, modern railway transport, passive safety, regional railways. Meeting the requirements of standards EN 12 663 (category P2), EN 15 227 (category CI) de facto means that economically operated and ecologically advan- tageous, light two-axle motor vehicles, called as rail buses, will disappear from regional railways. Keywords: figure; railway; regional; rolling; safety; speed; transport; vehicle
• Accident rate of regional railway vehicles at railway crossings for the years 2014 to 2018 by Seidl, Jakub (2022) - Most of RC accidents could be prevented if road vehicle drivers respected the laws of the road. There- fore the new campaign cannot be expected to lead to a reduction in RC accidents. Keywords: accidents; crossings; railway; road; vehicles
• The potential of unused railway areas by Kugl, Jiří (2022) - This paper will explore the differences between “standard” brownfields and unused railway areas like the typical ownership structure, particular location within the city and the effect station has on the city structure, composition and topography of the areas or the fact that railway areas are most often never really fully abandoned and they do continue to serve in some, albeit diminished capacity. Unused railway areas are then defined as follows: “These are railway areas that haven’t been in use for long time or that are used very inefficiently (i.e. al- though they are sporadically used or railway operates there still to some extent, by more rigorous application of the principles of modern railway operation these areas could easily be released without detriment to the railway function).” Keywords: areas; buildings; city; czech; potential; railway; railway areas; revitalization; stations
• Research, protection, and possibilities of re-use of post-war industrial heritage in the Czech Republic by Popelová, Lenka; Šenberger, Tomáš; Čunderlík, Tomáš; Lapšanský, Martin (2022) - Our contemporary research thus plays very important role in evaluation of a typical and atypical examples of industrial buildings of that time. But again with the minimum number of industrial buildings. Keywords: architecture; buildings; exchanges; heritage; post; protection; railway; research; station; telecommunications; telephone; use
• Estimating running safety factor of ballastless railway bridges using tail modelling by Allahvirdizadeh, Reza; Andersson, Andreas; Karoumi, Raid (2022) - Rail bridges for speeds > 200 km/h. European Rail Research Institute 1999. Keywords: Ballastless bridges, high-speed railway bridges, running safety, safety factor, structural reliability, tail modelling. Keywords: bridges; factor; failure; function; rail; railway; reliability; safety; speed; tail
• Vision Zero application on Czech railways by Kruntorád, Jan; Týfa, Lukáš (2023) - Stakeholders’ categories To completely cover the entire railway system, the classification of railway entities was carried out as follows: • state administration and self-government (including subordinate organizations), • owners and operators of the railway infrastructure, • railway carriers, • customers of carriers and providers of specific ser- vices to carriers and railway operators, • the human factor in rail transport, • investors, manufacturers, suppliers and contractors of infrastructure and vehicles, • manufacturers, suppliers and operators of IT and ITS systems, • entities providing power electricity supplies (trac- tion and non-traction), • scientific research and testing institutions, • international institutions, • affected entities from other modes of transport. Content of the risk catalogue sheet (fiche): • risk factor code and risk name, • partial specification of the risk situation (description of the causes of the risk situation), • RPN value (see above) and ranking in the evaluation of the risk significance, • risk assessment – opportunities for change and risk mitigation (comprehensive view), • proposal of high-level measures for change and risk mitigation from the ITS area, which is at least par- tially within the competence of the Správa železnic (the study orderer), • specification of the link of high-level measures to the Správa železnic (the degree of implementation of measures by the Správa železnic; proposal of the organizational units of the Správa železnic that should address the measures), • specification of the link of high-level measures to other stakeholders in the railway sector, • positives (advantages, benefits) of the proposed measure (strengths and opportunities in the sense of SWOT analysis), • negatives (limitations, difficulties) of the proposed measure (weaknesses and threats in the sense of SWOT analysis), • the general time requirement of the implementation of the proposed measure (length of preparation and implementation of the measure, division into stages, continuity with other measures), • recommended technical, technological and organi- zational means for implementing the proposed mea- sure, • any additional notes. Keywords: measures; people; railway; risk; safety; study; transport; vision
• Integrated cyclic timetable on the railways in the Karlovy Vary region by Hora, Jakub; Baran, Filip (2023) - The timing of train line P1 can also be considered stable, although in the future it may be recommended to try to shorten the journey time between Plzeň and Cheb to reach the XX:30 node in Cheb. It must be said that the colours of Figure 5 of passenger train lines do not correspond with the colour layout of the other images. Keywords: karlovy; karlovy vary; line; railway; railway line; region; train; vary
• Proposal of operational concept for bulk substrates transport by freight trains and its application within case study of aggregate transport for construction of Vlachovice dam by Jacura, Martin; Týfa, Lukáš (2023) - Railway freight transport represents an advantageous way for regular transport of bulk substrates. Keywords: Railway freight transport, bulk substrate, operating concept, Innofreight technology, Vlachovice Hydraulic Structure. Keywords: bulk; freight; goods; railway; station; study; track; train; transport
• Benefits of remote control on the railway lines by Křižan, Lukáš; Vojtek, Martin (2023) - In this typ case, the output edge is railway station C. Based on the analysis of the trains that run on the selected track section, type trains are assembled. Furthermore, a method of creating type trains for the given edges of the selected track section was proposed. Keywords: benefits; control; figure; railway; remote; time; track; trains; transport
• Expert questionnaire on the issue of economical use of the railway traffic path capacity and buildings preparation on the railway by Purkart, Pavel; Vodák, David (2023) - The issue of the allocation of railway traffic path capacity is given in general legislation and further by regulations or directives of a particular railway operator. Keywords: Railway, railway traffic path capacity, buildings preparation, expert questionnaire. Keywords: capacity; path capacity; railway; railway traffic; traffic path; transport

• Fractional order models of viscoelastic polymeric solids undergoing large deformations by Hálková, Barbora; Beneš, Michal (2024) - = F T F . Let Ω0 be the reference configuration of the body of interest with the boundary ∂Ω0 and T > 0 Let us denote by St the dis- placement solution space at time t ∈ Keywords: fractional; time; viscoelastic
• Assessing time and financial costs of bus delays in the Ústí nad Labem Region, Czech Republic by Scháno, Martin; Dvořáčková, Alexandra; Smíšek, Ondřej (2024) - This publication focuses on the development of a regional system for monitoring and evaluating public bus delays in the Ústí nad Labem Region in the Czech Republic. Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague ASSESSING TIME AND FINANCIAL COSTS OF BUS DELAYS IN THE ÚSTÍ NAD LABEM REGION, CZECH REPUBLIC Martin Schánoa,∗, Alexandra Dvořáčkováb, Ondřej Smíšekc a Czech Technical University in Prague, Faculty of Transportation Sciences, Department of Forensic Experts in Transportation, Horská 3, 128 03 Praha 2, Czech Republic b Czech Technical University in Prague, Faculty of Transportation Sciences, Department of Logistics and Management of Transport, Horská 3, 128 03 Praha 2, Czech Republic c Czech Technical University in Prague, Faculty of Transportation Sciences, Department of Vehicle Technology, Horská 3, 128 03 Praha 2, Czech Republic ∗ corresponding author: schano@fd.cvut.cz Abstract. Keywords: bus; delay; figure; line; purposes; survey; table; time; transport; travel; trip; value
• Calculation of queue formation and queue length at airport check-in counters by Had, Petr; Volt, Jiří; Stojić, Slobodan (2025) - Conclusions This study explored the use of a combined approach to predict the length of passenger queues at airport check-in counters. This paper focuses on calculation of airport passenger queue formation and its length. Keywords: airport; check; counters; learning; length; machine; number; passengers; queue; time
• Observing CVs and LMXBs with SALT: Updates and Recent Results by Buckley, David A. H. (2015) - These new SALT observations are aimed to address this issue and resolve details of the mass transfer stream through high time resolution emission line spectroscopy. Initial observations, using SALTICAM, have been used to derive high time resolution (∼100ms) eclipse light curves, with high signal-to-noise, of Polars. Keywords: accretion; imaging; observations; polars; salt; spectroscopy; time
• ON SAMPLING BASED METHODS FOR THE DUBINS TRAVELING SALESMAN PROBLEM WITH NEIGHBORHOODS by Váňa, Petr; Faigl, Jan (2015) - 6. Results The performance of the proposed modification of the sampling based algorithm has been evaluated in a series of scenarios. 5. Modification of Existing Sampling-Based Algorithm The main issue of sampling based algorithms for the DTSPN is that they require a fixed number of sam- ples, which need to be established in advance. Keywords: algorithm; dtspn; dubins; problem; regions; sampling; solution; time
• ANALYSIS OF COMPETITIVENESS OF RAILWAY PASSANGER TRANSPORT BETWEEN RAKOVNÍK AND PRAGUE by Vávra, Rudolf; Janoš, Vít (2017) - Methods To determine the share of individual vehicles on the modal split is used logit model, namely a two-step nested logit model: Pi = e µVi∑ j∈DP e µVj where Pi means the probability of choice of trans- port mode i, e is Euler’s number, DP is the set of all considered transport modes, µ means the elasticity of choice of transport mode on the basis of changes in generalized costs and Vi means generalized costs expended for the journey by transport mean i. Current Modal Split. • attendance of the reference point in Prague to the appropriate stop/station of transport mean i , or to the stop of Prague urban transport, • attendance from the bus station in Rakovník, or from the railway station Rakovník to the town cen- tre, • additional reserve of 5 min. Fare Ji is determined from the carriers’ tariffs. Keywords: modal; prague; rakovník; time; transport; travel
• ANALYSIS OF DYNAMIC EFFECTS ACTING ON RAILWAY CROSSINGS by Vukušičová, Daniela (2017) - The paper is focused on measurement and analysis of dynamic effects on railway turnouts. Keywords: turnout, crossing part, dynamic effects, vibrations. Keywords: ballast; bearer; crossing; frequency; rail; time; turnout; wing
• Investigating the change in preference of living and transport during COVID-19 by Fahlstedt, Oskar; Ma, Winnie (2022) - For all trans- port modes except biking, there was stated a range of increased travel time, see Figure 7. If given the opportunity to work from home at least once a week workers are less in- clined to let the distance to work be a deterministic factor as workers accept increased commuting time (5 % longer) between home and the work place [6]. Keywords: car; emissions; home; pandemic; potential; residence; respondents; telecommuting; time; transport; travel; willingness; work
• Level of service of public transport operation - pilot study by Jirmanová, Markéta; Novotný, Vojtěch; Dousková, Nikol (2023) - The aim of the method is to provide transport engi- neers with an analytical tool to assess the operation of public transport across the network and to identify sections where public transport operations need to be improved through the implementation of priority measures and thereby improving the quality of public transport and which would lead to more people using 8 https://doi.org/10.14311/APP.2023.41.0008 https://creativecommons.org/licenses/by/4.0/ https://www.cvut.cz/en vol. Comparative performance evaluation of public transport services from city perspective. Keywords: level; operation; service; speed; time; transport; travel
• Length of transfer time between connecting trains – is there an ideal value? by Froněk, Jan; Chlumecký, Jaroslav; Vymětal, Daniel (2023) - Furthermore, a simulation of train delays is created using the Monte Carlo method, from which the probability of a connection is determined and subsequently the degree of dissatisfaction with the route is determined while maintaining the current connections. Keywords: Public transport, transfer time, train delay, connecting trains, stability of timetable. Keywords: minutes; time; train; transfer; transport

• Comparison of elastic properties of periodic and aperiodic porous structures produced by additive methods by Grabiec, Radosław; Tarasiuk, Jacek; Wroński, Sebasatian; Pillon, Gianpaolo (2024) - Example of printed structures. 2.4. MicroCT In printed structures, there are additional effects caused by the printing itself and its precision. Keywords: beams; figure; modulus; porosity; results; structures; thickness; voronoi; young
• Gear ratio optimization of single and two-speed transmission for an electric motorcycle by Hermanová, Jolana (2024) - 19 Jolana Heřmanová Acta Polytechnica CTU Proceedings sists of (from top) vehicle speed, electric motor speed, electric motor mechanical power (maximum of 42 kW in the maximum torque variant, 36 kW in case of limited torque variant), and gear ratio. The main visible features are these: • high available torque at low motor speed, goes roughly to zero speed with constant torque (the color is hidden for efficiency under 50%), • very low efficiency in high load and low speed (top left corner), under 50%, • area of constant motor power and decreasing torque, approximately (in this specific case) for motor speed above 4000RPM, • the area of best efficiency is located in higher speed and moderate loads, with maximum efficiency of up to 97%, The gear ratio has to be chosen with respect to a mo- tor speed range and vehicle required speed range, and on the other hand, with respect to demanded torque on wheels ensuring sufficient acceleration. Keywords: electric; gear; maximum; motor; results; speed; speed transmission; torque; transmission; variant
• CROSS-STUDY RESEARCH ON UTILITY AND VALIDITY OF DRIVING SIMULATOR FOR DRIVER BEHAVIOR ANALYSIS by Matowicki, Michal; Přibyl, Ondřej (2017) - Consistently with other researches Bella conducted that simulator speeds were different than in the real world, although in [2] mean speed in simulator was higher than in real world while in [15] it was on the contrary. Nevertheless, the differences in simulator speeds and in the field speeds for each point were not significantly different, demonstrating at minimum, interactive relative validity of static sim- ulator tool for assessing speed. Keywords: drivers; driving; research; results; road; simulator; speed; studies; study; validity; world
• SCALE AND SERPENT TWO-GROUP CROSS-SECTION DATA GENERATION by Novák, Ondřej; Frýbort, Jan; Sklenka, Lubomír; Rataj, Jan; Chvála, Ondřej (2018) - SCALE code has a longer history in this field of application compared to Serpent code, thus SCALE code was selected as the reference code for this study. In Serpent calculation, B1 correction used 238 group energy structure (scale238 [5]). Keywords: code; cross; fuel; group; results; scale; section; serpent
• EXPERIMENTAL ANALYSIS FOCUSED ON THE MATERIAL CHARACTERISTICS OF THE CEMENT-BASED POLYMER-MODIFIED MORTARS by Kucharczyková, Barbara; Šimonová, Hana; Halamová, Romana; Kocáb, Dalibor; Alexa, Martin (2019) - Arrangement of the fracture test (left), compressive strength test (middle) and resonance test (right). Fracture test The fracture characteristics were determined based on the results of the three-point bending test of pris- matic specimens with dimensions of 40 × 40 × 160mm provided with an initial notch located in the middle of the specimens’ length. Keywords: characteristics; days; fracture; results; set; shrinkage; specimens; values
• EFFECT OF NACL ON NEUTRON FLUX DENSITY IN GRAPHITE BLOCK by Slančík, Tomáš; Števanka, Kamil (2019) - Among the challenges are higher neutron flux, corrosive behavior of salts, more difficult maintenance and inspection It is also planned to measure the effects of other chloride salts, such as LiCl, KCl, CaCl2, MgCl2. Keywords: channels; figure; foils; mcnp; neutron; reaction; results; salt
• INFLUENCING THE INDENTATION CURVES BY THE BLUNTNESS OF THE BERKOVICH INDENTER AT THE FEM MODELLING by Kovář, Jaroslav; Fuis, Vladimír; Tomáštík, Jan (2020) - The indenters with the rounded tip like spherical, show steeper loading part of the indentation curve than indenters with the sharp tips (Berkovich indenter) The impact of assuming blunted indenter to calculated parameters of plasticity was assessed. Keywords: bluntness; indentation; indenter; nanoindentation; results
• Attitude towards LCA in Hungary and Czechia – Results of a survey among building design professionals by Szalay, Zsuzsa; Lupisek, Antonín (2022) - Responses to the question: Are you familiar with environmental LCA of construction products and buildings? The questionnaire explored the designers’ understanding of environmental problems and LCA methodology, the drivers and barriers of environmental assessment and the future perspectives. Keywords: assessment; figure; lca; respondents; results; survey
• Geophysics for underground engineering by Bláha, Pavel; Duras, Roman; Gebauer, Jan (2023) - The reason is a very low number of measured points from which it is possible to count resistivity values. The reason is a very low number of measured points from which it is possible to count resistivity values. Keywords: interpretation; measurement; resistivity; resistivity values; results; values

• ASSESSMENT OF BURNABLE ABSORBER FUEL DESIGN BY UWB1 DEPLETION CODE by Lovecky, Martin; Jirickova, Jana; Skoda, Radek (2016) - Keywords: burnable absorber, fuel depletion, Monte Carlo. Bateman equations are solved in special de- pletion scheme that relies on nuclide-based predictor- corrector method in both transport and burnup part of fuel depletion. Keywords: e r; fuel
• LATERAL COOLANT FLOW BETWEEN FUEL ASSEMBLIES IN MIXED CORES by Caha, Vojtech; Čížek, Jiří (2018) - Fuel assemblies whose name begins with the letter “A” are TVSA-T mod.1, while the names of fuel assemblies beginning with the letter “B” indicate the type TVSA-T mod.2. Acta Polytechnica CTU Proceedings doi:10.14311/APP.2018.14.0001 Acta Polytechnica CTU Proceedings 14:1–7, 2018 © Czech Technical University in Prague, 2018 available online at http://ojs.cvut.cz/ojs/index.php/app LATERAL COOLANT FLOW BETWEEN FUEL ASSEMBLIES IN MIXED CORES Vojtěch Cahaa,b,∗, Jiří Čížekb a Department of Nuclear Reactors, FNSPE, CTU in Prague, V Holešovičkách 2, Prague, Czech Republic b Chemcomex, a.s., Elišky Přemyslovny 379, Prague, Czech Republic ∗ corresponding author: vojtech.caha@fjfi.cvut.cz Abstract. Keywords: assemblies; coolant; flow; fuel; mod.1; tvsa
• MIXED CORE SUBCHANNEL MODEL FOR SUBCAL AND COUPLING WITH ANDREA by Caha, Vojtěch; Čížek, Jiří (2018) - The most im- portant parameter which was observed is the average mass flow [kg/s] in fuel assemblies with respect to the type of fuel assembly. The paper describes a mixed core model composed of TVSA-T mod.0, mod.1 and mod.2 fuel assemblies. Keywords: assemblies; core; flow; fuel; subcal; subchannel
• UNCERTAINTY EVALUATION IN CRITICALITY CALCULATIONS USING THE TSUNAMI METHODOLOGY by Šikl, Matěj; Havlůj, František (2018) - However when code is applicated to spent fuel storage there is not considered effect of disparity between used experiments and newly suggested spent fuel storage. Goal to be achieved was to evaluate effect of disparity and prepare instructions for validating code application on spent fuel systems. Keywords: comparison; evaluation; experiments; fuel; penalty; systems
• DEBRIS-FRETTING TEST OF COATED AND UNCOATED ZR-1%NB CLADDING by Kopeć, Marcin; Malá, Martina; Cvrček, Ladislav; Krejčí, Jakub (2019) - Testing method of debris fretting wear As no standards have been found in the open literature for debris fretting wear testing as well as no models have been found for the prediction of the debris parti- cle inside the reactor core during reactor operation, the authors decided to foreseen the potentially worst scenario. 5. Conclusions The CVŘ has developed its own methodology and equipment for debris fretting testing of cladding ma- terials. Keywords: cladding; coatings; debris; fretting; fuel; min; specimens; testing; wire
• Probabilistic safety assessment of Koeberg spent fuel pool by Thabethe, Sibongiseni (2022) - The Loss of SFP Cooling event tree is shown in Figure 1. Analysis of the inherent response of nuclear spent fuel pools. Keywords: cooling; event; fuel; inventory; loss; pool; ptr; sfp
• On the ongoing computation of the LVR-15 reactor fuel burnup by Pinta, Jan (2022) - Keywords: Burnup calculation, Serpent, LVR-15 reactor. One of the most crucial challenges concerning the develop- ment is a coverage of fuel burnup. Keywords: burnup; calculation; cycle; fuel; lvr-15; process; reactor; serpent; × ×
• Reactor criticals and spent fuel systems similarities by Šikl, Matěj (2022) - Even though similarities were high enough to stor- age pool only, possibility of validation of code for spent fuel systems calculation was proved when reac- tor criticals were used. Many conservative assumptions for subcriticality assessment calculations have to be made in current calculations of spent fuel storage systems. Keywords: calculations; criticals; fuel; reactor; storage; systems

• Fatigue analysis on flax-epoxy composites: insights and implications by Pagliaro, Andrea; Cagnetta, Lorenzo (2024) - By addressing the evolution of stiffness and damping ca- pacity during fatigue life, the research fills a notable gap in the existing literature. This research advances knowledge in the field and pro- vides practical guidelines for engineers and designers working with natural fiber composites. Keywords: composites; cycles; evolution; fatigue; figure; life; modulus
• Measurement of tensile properties of selected rovings by Kabíčková, Věra; Hájek, Jakub; Macháček, Jan; Kafková, Eliška; Vlach, Tomáš (2024) - It was also found that values of impregnated al- kali resistant glass rovings are closer to those in the literature compared to the pure ones (measured Young’s modulus of pure glass roving is 52 GPa, mea- sured Young’s modulus of impregnated glass roving is 75 GPa and the value of the Young’s modulus in the literature is 72 GPa). The best potential as a rein- forcement of concrete has alkali resistant glass roving, which has a relatively high Young’s modulus of elas- ticity and is able to capture a possible crack initiation in concrete quickly. Keywords: fibers; modulus; reinforcement; roving; targets; tensile; viscose
• Substrate effect in the evaluation of elastic modulus of thin PVD coatings from nanoindentation by Lofaj, František (2024) - Since the “10% rule” is not able to reflect all these interactions, significant efforts were devoted to the re- finement of the analysis of nanoindentation data from thin coatings. [31]; • the coatings with a thickness >1 µm are preferred; reliable results from thinner coatings require very sharp tips and better consideration of substrate effects; • use the same method for obtaining corresponding depth profiles (the CSM method with the optimized parameters seems to be suitable); • use the same evaluation method (Hay&Crawford correction brings some benefits but it is sensitive to substrate modulus and coating thickness. Keywords: coating; csm; depth; hardness; indentation; modulus; nanoindentation; profiles; substrate
• GEOMETRY AND MECHANICAL PROPERTIES OF A 3D-PRINTED TITANIUM MICROSTRUCTURE by Řehounek, Luboš; Hájková, Petra; Vakrčka, Petr; Jíra, Aleš (2018) - Trabecular structures are porous structures with local material characteristics identical to their commonly manufactured counterparts, but due to their geometry, they have different global mechanical properties and are suited for special applications. Trabecular structures are usually produced by 3D printing. Keywords: modulus; printing; series; specimens; structures
• HARDNESS OF HYBRID PVD-PECVD W-C:H COATINGS VS. SUBSTRATE TYPE by Lofaj, František; Kabátová, Margita (2020) - The measurements were performed on HiPIMS (High Power Impulse Magnetron Sputter- ing) W-C and W-C:H coatings deposited using hybrid PVD-PECD (Physical Vapor Deposition – Plasma Enhanced Chemical Vapor Deposition) process with different acetylene and hydrogen additions on three different substrates. Load – indentation depth curves from the nanoindentation tests on the HiPIMS W-C:H coatings deposited with 2 sccm C2H2 on Si wafer, 100Cr6 bearing steel and Al 2024 alloy substrates – a) The depth profiles of hardness – b) and indentation modulus – c). Keywords: acetylene; additions; coatings; hardness; indentation; modulus; substrate
• ESTIMATION OF ANISOTROPIC ELASTIC PROPERTIES OF CARBON FIBERS USING NANOINDENTATION by Guruprasad, Thimmappa Shetty; Keryvin, Vincent; Bourmaud, Alain (2020) - Acta Polytechnica doi:10.14311/APP.2020.27.0107 Acta Polytechnica 27(0):107–111, 2020 © Czech Technical University in Prague, 2020 available online at http://ojs.cvut.cz/ojs/index.php/app ESTIMATION OF ANISOTROPIC ELASTIC PROPERTIES OF CARBON FIBERS USING NANOINDENTATION Thimmappa Shetty Guruprasad∗, Vincent Keryvin, Alain Bourmaud University of Bretagne Sud, UMR CNRS 6027, IRDL, 27 rue Armand Guillemot BP 92116, 56321 Lorient, France ∗ corresponding author: thimmappa-shetty.guruprasad@univ-ubs.fr Abstract. Understanding the mechanical behavior of carbon fiber reinforced polymers requires knowledge on the deformation behavior of carbon fibers, they are highly anisotropic and heterogeneous. Keywords: angle; carbon; fibers; indentation; modulus; orientation
• Modelling of laminated glass interlayer by fractional viscoelasticity by Hálková, Barbora; Schmidt, Jaroslav (2023) - Maxwell model. Keywords: Laminated glass, polymer interlayer, theory of viscoelasticity, fractional viscoelasticity, springpot, generalized Maxwell model, fractional calculus, storage modulus. Keywords: chain; figure; fractional; maxwell; modulus
• Analysis of concrete taken from a loaded column by determining the modulus of elasticity by Hrabová, Kristýna; Cikrle, Petr; Olejková, Sabina; Kocáb, Dalibor (2024) - Concrete column under load of various degrees: at 960 kN, the first cracks began to form in the corners of the upper part of the column; at 1 520 kN damage to the upper third of the column is clearly visible (on the left and in the middle) and after cores were taken (on the right). Concrete column under load placed in the test press. at a force of 960 kN, that is, at a stress of 16 N mm−2, specifically at the top of the column – the first cracks appeared in the corners. Keywords: column; concrete; elasticity; method; modulus; standard
• Monitoring degradation in alkaline-activated slag materials by Mahmoud, Houssam; Topolář, Libor; Plšková, Iveta; Jakubka, Luboš; Pazdera, Luboš (2024) - The ammonium nitrate solution showed a decrease in dynamic modulus values throughout the monitoring period (84 days of degradation). The following degradation media were chosen for the degradation study – standing and rotating water, 5 % solutions of selected salts (sodium chloride, sodium sulfate, magnesium sulfate), 6M am- monium nitrate solution and acetic acid solution at pH ≈ 3. Keywords: case; days; degradation; modulus; slag; solution; values

• Tomographic and mechanical study of 3D printed porous polymer structure under compression by Pillon, Gianpaolo; Grabiec, Radosław; Tarasiuk, Jacek; Wroński, Sebasatian; Bonnet, Anne Sophie (2024) - For this, Cubic, Octet and Voronoi structures are studied under compression, each structure will be studied under 3 porosity rates (40, 60 and 80 %) and each porosity is studied with two different trabeculae diameter (TD) (0.45 mm and 0.66 mm). Three ran- dom versions of Voronoi structure have been printed 46 https://doi.org/10.14311/APP.2024.48.0046 https://creativecommons.org/licenses/by/4.0/ https://www.cvut.cz/en vol. Keywords: figure; octet; porosity; sample; structure; voronoi
• Dynamic behavior of a cable-stayed footbridge depending on the calculation accuracy by D‘Amico, Kristian; Máca, Jiří (2024) - Keywords: Dynamic characteristics, natural frequencies, footbridge, cable-stayed bridge, finite element method, UHPC, stiffness matrix, mass matrix. Transformation to global matrices Using the transformation matrix Keywords: element; figure; mass; matrix; stiffness; structure
• REMOVAL OF DIQUATERNARY AMMONIUM CATIONS FROM AS-SYNTHESIZED SSZ-16 ZEOLITE by Supinkova, Tatana; Jirka, Ivan; Drahokoupil, Jan; Langmaier, Jan; Fila, Vlastimil; Brabec, Libor; Kocirik, Milan (2017) - 5. Conclusions The principal contribution of this work is the feasi- bility of zeolite SSZ-16 synthesis. Powder X-ray diffraction (XRD) technique was used to determine crystallinity and phase purity of zeolite SSZ-16 particles. Keywords: figure; particles; sda; species; ssz-16; structure; synthesis; zeolite
• ANALYSIS OF THE TIME COURSE OF A BRIDGE ABUTMENTS SETTLEMENT by Hruštinec, Luboš (2018) - Over 6 years of geotechnical monitoring after the construction of bridge abutments Bridge abutments are founded on piles in an embankment 5.5 m high. Keywords: abutments; bridge; calculations; settlement; structure
• IMAGE SYNTHESIS OF METAL FOAM MICRO-STRUCTURE WITH THE USE OF WANG TILES by Zrůbek, Lukáš; Doškář, Martin; Kučerová, Anna; Meneses-Guzmán, Marcela; Rodríguez-Méndez, Francisco; Chiné, Bruno (2018) - In our work we utilize tiles sets that are not ape- riodic by itself but enable creation of domain with stochastic layout of tiles. Tile sets As described in Section 2 groups of tiles are called sets. Keywords: algorithm; fig; micro; set; sets; structure; tiles; tiling; wang
• EVALUATION OF UNDERGROUND STRUCTURES SUBJECTED TO SEISMIC LOADS by Pruška, Jan (2019) - This may lead to an overestimate of tunnel lining deformations especially in loose rock and soils. Centrifuge modelling techniques allow well for control testing conditions regarding investigations of soil structure interaction in simulated seismic events. Keywords: deformation; field; interaction; lining; mass; method; shear; soil; structure; tunnel
• FEASIBILITY STUDY OF MICRO-LATTICE STRUCTURES BY MULTIPHOTON LITHOGRAPHY by Wimmer, Markus; Major, Zoltan (2019) - maximising structure size Another point of interest was to Figure out which fabrication size is possible in a reasonable time. Lattice structure base elements: nonlinear thrust structure, octet structuer, hex structure (left to right) Figure 15. Keywords: figure; height; layer; micro; microns; structure
• Comprehensive verification of the behavior of the continuous welded rail on the bridge by Vendel, Jiří; Plášek, Otto; Valehrach, Jan; Říha, Tomáš; Mach, Václav (2022) - A number of research projects focus on determin- ing the combined response of the bridge structure and continuous welded rail from individual types of additional stresses in the rails, which are: • stress from thermal changes in rails, • stress from thermal changes in bridge structure, • stress from traction and braking forces, • stress from classified vertical traffic loads. Keywords: Continuous welded rail, longitudinal resistance, thermal expansivity. Keywords: bridge; bridge structure; measurements; rail; resistance; structure; track
• Adaptive reuse of factory chimneys – industrial heritage symbols and urban landmarks by Hořická, Jana; Pustějovský, Jan (2022) - However, presented research describes a wide range of possibil- ities of chimneys new use, which of course includes different approaches working with different degrees of intervention in the mass of the chimney body. Theoreti- cal basis was drawn from international knowledge on industrial heritage in general, both because specific sources on the subject of factory chimneys were very limited and because chimneys are an integral and in- separable part of industrial heritage. Keywords: chimney; context; heritage; intervention; reuse; site; structure; use
• Generation of LDPM structure formed by Voronoi cells by Vozáb, Jan; Vorel, Jan (2023) - Structure of circular Voronoi particles before composition. with blue lines connecting the individual particles. Structure of circular Voronoi particles after composition. Keywords: figure; ldpm; particles; points; structure; voronoi

• SHEAR STRENGTH OF SOILS FROM THE DOBKOVICKY LANDSLIDE IN THE CENTRAL BOHEMIAN UPLANDS DETERMINATED BY LABORATORY TESTS by Roháč, Jakub; Kycl, Petr; Boháč, Jan; Mašín, David (2017) - Nine of them were CIUP (Consolidated Isotropic Undrained with Pore pressure measurement) triaxial tests, three were shear box tests and six were ring shear tests. Results of shear strength tests 1 2 of the critical parameters of the same sample, which confirms the known theory of soil mechanics Keywords: dobkovičky; landslide; shear; soils; tests
• Bending behavior of adhesively-bonded engineered wood-concrete composite decks by Fu, Qiuni; Yanb, Libo; Kasal, Bohumil (2022) - Specimen preparation When the concrete was cured for 28 days, the con- crete surfaces were cleaned and glued to shaped wood decks with wood decks on the top for the first 3 days. One can also have a deeper appreciation of the structural behaviour of LVL and CLT in TCC decks in Section 4. 4. Keywords: bending; clt; composite; concrete; decks; epoxy; lvl; shear; tcc; wood

• THE PRIORITY OF INTERNATIONAL FREIGHT EXPRESSES IN THE OVERLAPPING SECTION OF RFC 7 AND RFC 9 KOLÍN - CESKA TREBOVA by Šrámek, Přemysl; Molková, Tatiana (2016) - Overlapping train path line sections [4] rail freight and ensure its full competitiveness, it is necessary to trace freight trains in the fixed periodic routes, which would have removed one of the main rail transport disadvantages against road transport. There were solved conflicts of station tracks, freight trains were allowed to ride before their schedule time (in the case of free capacity). Keywords: fex; freight; passenger; priority; rfc; trains; transport
• AN ISSUE OF INTELLIGENT ROAD TRANSPORT IN KAZAKHSTAN by Abishev, Kairatolla; Mukanov, Ruslan B.; Kasenov, Asylbek Zh.; Baltabekova, Almagul N. (2017) - Keywords: The Republic of Kazakhstan, automobile transport, Intelligent transport systems, dis- patching system. The introduction of intelligent transport systems will facilitate the organization of international transport, cargo tracking, and reduce the time of delivery, pro- vide high performance and security of transport and logistics processes. Keywords: communication; kazakhstan; republic; road; systems; transport
• THE RELATION BETWEEN DRIVER BEHAVIOR AND INTELLIGENT TRANSPORT SYSTEM by Kalašová, Alica; Kubíková, Simona; Kapusta, Ján (2017) - From the perspective of a driver it concerns, in particular, the possibility of using alternative routes when traffic accidents or other obstacles occurs on the route that would significantly affect the continuity and safety of road traffic. In recent years, the Slovak Republic managed to lower the number of traffic accidents. Keywords: accidents; information; number; road; safety; systems; traffic; transport
• ITS ON RAILWAY by Leso, Martin (2017) - In the area of intelligent transport systems can be seen similar trends as in the Czech Republic, ie. centralizing oper- ations management together with the strong support of information systems for traffic management, but at the European level is already increasingly applied in real operation automatic setting routes, including optimizing traffic management (ie. The Swiss system RCS). On this types of tracks, on the corridors main tracks to, it is possible to minimalize investment and services costs by choosing the strategy and type of control of the railway system based on minimalizing of parts of infrastructure technologies with reduction of signals and vehicle detection systems. Keywords: ertms; etcs; infrastructure; systems; transport; vehicles
• NETGRAPH – AN EFFICIENT TOOL FOR PERIODIC TIMETABLING AND CAPACITY PLANNING by Michl, Zdeněk; Drábek, Michal; Vávra, Rudolf (2017) - Line style can even show public transport lines operated without a fixed interval. Introduction A netgraph, also called interval graphic, is a graphi- cal representation of a periodic (interval) timetable concept of public transport lines in a designated geo- graphical or political territory, for a transport segment or a production unit. Keywords: figure; hour; line; minute; netgraph; transport
• Psychosocial aspects of the use and provision of carsharing services in the Czech Republic by Hartmannová, Lucie; Schlossarek, Martin; Kročil, Ondřej (2022) - The contributions of this paper include the fact that it focuses on the experiences of both parties – carsharing providers and carsharing users, and it is the first study of this type that has been conducted in the Czech Republic. For both objectives, we set several research questions: RQ1: How do providers respond to feedback from B2C carsharing users? RQ2: How do B2C carsharing providers rate the per- ceived benefits and barriers associated with imple- menting the service? RQ3: How do B2C carsharing users rate the per- ceived advantages and disadvantages of using these services? RQ4: Keywords: b2c; barriers; benefits; carsharing; czech; mobility; perspective; providers; provision; reasons; republic; research; services; themes; transport; users
• The interaction between a driver and intelligent transport systems by Kalašová, Alica; Čulík, Kristián; Skřivánek-Kubíková, Simona (2022) - Keywords: Traffic accidents, Intelligent Transport Systems, safety of road traffic. The advantages of using intelligent transport systems (ITS) in urban conditions which enable secure road traffic, reduce the number of road traffic accidents and the death rate on roads are described in this article. Keywords: accidents; driver; errors; figure; human; information; road; safety; systems; traffic; transport; use
• Survey of user needs and the impact of parking prices on drivers’ motivation to use parking spaces in the capital city of Prague by Navrátilová, Kristýna; Lehet, David; Hajčiarová, Eva (2023) - MOTIVATION TO USE PARKING SPACES IN THE CAPITAL CITY OF PRAGUE Kristýna Navrátilová∗, David Lehet, Eva Hajčiarová Czech Technical University in Prague, Faculty of Transportation Sciences, Department of Transport Telematics, Konviktská 20, 110 00 41/2023 Parking Prices and Spaces in Prague Zone Number of parking spaces Share of PPZ Blue – residents 76 614 64 % Purple – mixed 42 325 35 % Orange – visitors 1 123 1 % Keywords: city; czk; number; parking; prague; public; questionnaire; respondents; spaces; transport; use
• Modern vehicles for regional railways by Kolář, Josef (2023) - Keywords: Modern railways, regional vehicles, rail bus, design vehicles, light rail vehicle, often low-floor rail vehicle, motor rail vehicles. An interesting solution of rail transport with the help of light rail vehicles with a driver, which is rather suitable for urban transport, was presented by the British company TDI for the city of Coventry, see pictures Figure 8. Keywords: car; czech; figure; lines; power; rail; republic; transport; vehicle

• EFFECT OF ANNEALING ON THE REAL STRUCTURE AND MICROSTRUCTURE OF ADVANCED LASER PROCESSED AISI H13 TOOL STEEL by Trojan, Karel; Ocelík, Václav; Ganev, Nikolaj; Němeček, Stanislav; Čech, Jaroslav; Čapek, Jiří; Němeček, Jakub (2018) - Results and discussion Table 1 gives the range of the chemical composition of AISI H13 steel determined by ISO 4957 Keywords: laser processing, cladding, annealing, microstructure, AISI H13 tool steel. Keywords: aisi; annealing; clad; figure; h13; laser; steel
• SELECTION OF REFERENCE VALUE OF LONGITUDINAL TO TRANSVERSAL ULTRASONIC WAVES VELOCITY RATIO ON PRESSURE PURPOSE STEELS FOR DETECTION OF CREEP by Zavadil, Tomáš (2018) - Polytechnica CTU Proceedings 19:46–52, 2018 © Czech Technical University in Prague, 2018 available online at http://ojs.cvut.cz/ojs/index.php/app SELECTION OF REFERENCE VALUE OF LONGITUDINAL TO TRANSVERSAL ULTRASONIC WAVES VELOCITY RATIO ON PRESSURE PURPOSE STEELS FOR DETECTION OF CREEP Tomáš Zavadila,b a Advanced Technology Group, s.r.o., Toužimská 771, 199 02 Prague, Czech Republic b Department of Materials, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Trojanova 13, 120 01 For this experiment, the level of L/T ratio consid- ered as out of standard value range shall be defined as: ∆ cL cT = ∆ cL cT (σ) > 3s; σ � σ0 (8) or more precisely: ∆ cL cT (σ) > 3 ·maxj{sj} = = 3·maxj √√√√ 1 N − 1 Nj∑ i=0 ( cL cTi − 〈 cL cT 〉j)2; σ � σ0 (9) where sj is the standard deviation of the steel j, Nj is the number of measurements for the benchmark value of steel j, 〈cL/cT 〉 is the average mean value of the all steel types, σ0 a generally unknown stress level of steel that is not subject to longtime exposure to heat and σ is a stress of affected (exposed, degraded) volume. Keywords: creep; ratio; steel; values
• SHORT-TERM CORROSION RESPONSE OF METALS IN LIME MORTAR by Bauerová, Pavla; Prošek, Zdeněk; Krejsová, Jitka; Keppert, Martin (2019) - Keywords: Metal corrosion, modern mosaics, lime mortar. The present paper is inspired by demand on knowl- edge of corrosion behavior of metallic materials in lime mortar; the demand came from restores deal- ing with mosaics. Keywords: copper; corrosion; layer; lime; mortar; steel
• APPLICATION OF STEEL FIBRES IN ALKALI-ACTIVATED MORTARS by Hüsken, Götz; Wagner, Lars-Christian; Gluth, Gregor J. G.; Pirskawetz, Stephan; Kühne, Hans-Carsten (2020) - Load-displacement plots of steel fibres type 1 and 2 embedded in mortar C7a. reaches a stable value or decreases slightly as with increasing fibre pull-out the force transmitting con- tact area between steel fibre and surrounding matrix decreases [17]. Load-displacement plots of steel fibres type 1 embedded in mortar FA5. between steel fibre and surrounding matrix decreases. Keywords: behaviour; crack; fibre; figure; matrix; mortars; pull; specimen; steel; tensile
• Stainless steel-FRCM system for strengthening of RC beams: towards a sustainable strengthening technique by Bencardino, Francesco; Nisticò, Mattia (2022) - 33/2022 Stainless Steel-FRCM System for RC Beams � � � � ����������������� � ���������������� � D�� E� )LJXUH����3UHSDUDWLRQ�RI�WKH�VXUIDFHV�DQG�FURVV�VHFWLRQ�DIWHU�WKH�VWUHQJWKHQLQJ�SURFHVV��D��(%�)5&0� Figure 1. � � D�� E� F�� � � G�� H� I�� )LJXUH����([SHULPHQWDO�IDLOXUH�PRGHV�RI�WKH�EHDPV��D��0�$�(%��E��0�$�,56��F��0�%�(%��G��0�%�Figure 5. Keywords: beams; concrete; frcm; irs; steel; strengthening; � �
• Conformity assessment model for mechanical coupling devices and anchors for reinforcing steel for use in concrete structure by Brankley, Lee; Turgul, Ayhan; Morgan, Lyn; Camci, Ladin (2022) - Production process or production location k)Approved grout supplier and / or change in grout specification or properties (in the case of cementi- tious grouted coupler) l) Installation instructions A key condition of the CARES Technical approval schemes are that any subsequent changes to the above must be reviewed by CARES prior to the implemen- tation of the change, thus ensuring that any extra testing is undertaken to ensure continued product conformity. This CARES digital platform plans to cover all stages in the supply chain from receipt of raw materials, the manufacture and processing of steel products through to delivery to the end user. Keywords: approval; assessment; cares; product; quality; scheme; steel; technical
• Effect of cracks on the service life of RC structures exposed to chlorides by Russo, Nicoletta; Gastaldi, Matteo; Schiavi, Luca; Strini, Alberto; Zanoni, Riccardo; Lollini, Federica (2022) - The presence of cracks provides a more direct path for the ingress of chloride ions and oxygen into concrete, possibly leading to a reduction of the initiation time of steel corrosion and to an ac- celeration of the propagation of corrosion [4]. Evolution in time of the corrosion potential (grey symbols) and corrosion current density (black sym- bols) of carbon steel bars embedded in the five replicate uncracked (a) and cracked (b) concretes and exposed to ponding with a 3.5% NaCl solution; red symbols in (b) corresponding to the interruption of exposure for corroding specimens. �a�� �b� Figure 3. Keywords: bars; concrete; corrosion; crack; exposure; specimens; steel; � �
• Environmental assessment of non-metallic reinforcement for concrete structures as an alternative to steel reinforcement by Stoiber, Nadine; Hammerl, Mathias; Kromoser, Benjamin (2022) - Nev- ertheless, an additional consideration of the perfor- mance, more precisely the tensile strength of 2,100 MPa of CFRP reinforcement as well as the yield strength of 550 MPa of steel reinforcement shows re- sults more on favour of CFRP reinforcement than a sole consideration of the masses as illustrated in Fig- ure 5. Here, the performance (tensile and yield strength) as well as the related densities (7,850 kg/m3 for steel reinforcement, 1,500 kg/m3 for CFRP reinforcement) were consid- ered. Keywords: bridge; cfrp; concrete; figure; gwp; impact; life; reinforcement; steel
• Dowel bars – reinforcing elements of cement concrete pavements by Bedřich, Stanislav; Grošek, Jiří (2024) - Our aim is to analyze the function of reinforcement elements (dowel bars) in cement concrete pavement to highlight the influence of these elements on the service life of the pavement as a whole and to find possible alternatives to existing products that are freely available on the Czech market. That is, how these elements in the form of dowel bars should work properly so that the function meets the design assumptions of a rigid pavement. Keywords: bars; concrete; czech; dowel; dowel bars; figure; joint; steel

• COMPARISON OF S-CO2 POWER CYCLES FOR NUCLEAR ENERGY by Vesely, Ladislav; Dostal, Vaclav; Entler, Slavomir (2016) - Among the first researchers who studied benefits of CO2 power cycles belongs Angelino, Feher, Verhivker and Gokhstein [2]. Keywords: S-CO2, power cycle, fusion. Keywords: co2; compression; cycle; heat; power

• SEMI–AUTOMATED ASSESSMENT OF MICROMECHANICAL PROPERTIES OF THE METAL FOAMS ON THE CELL-WALL LEVEL by Krčmářová, Nela; Šleichrt, Jan; Doktor, Tomáš; Kytýř, Daniel; Jiroušek, Ondřej (2016) - Micro-mechanical testing of metal foam cell walls using miniature three- point bending. 3. Indentation load was set to 10 N and this value was reached in 10 s. First indent was used as a testing indent to find indentation speed to respect the condition of reaching maximal force value in 10 s. Keywords: aluminium; cell; foam; hardness; indentation; sample; vickers
• PREPARING OF THE CHAMELEON COATING BY THE ION JET DEPOSITION METHOD by Skocdopole, Jakub; Aversa, Lucrezia; Golan, Martin; Schenk, Antonin; Baldi, Giacomo; Kratochvilova, Irena; Kalvoda, Ladislav; Nozar, Petr (2017) - IJD is a new flexible method for thin film deposition developed by Noivion, Srl. The chameleon coatings are thin films characterised by a distinct change of their tribological properties according to the external conditions. Keywords: chameleon; deposition; figure; films; ijd; particles; raman; sample; target; tin
• INFLUENCE OF MACHINING TECHNOLOGIES ON VALUES OF RESIDUAL STRESSES OF OXIDE CUTTING CERAMICS by Němeček, Jakub; Kolařík, Kamil; Čapek, Jiří; Ganev, Nikolaj (2017) - The values of residual compressive residual stresses increase steadily with increasing pressure in contrast to the samples after air abrasive machining. The influence of the parameters of machining to residual stresses was studied and the resulting values were compared with each other. Keywords: fwhm; mpa; sample; sample σn
• GLASS WASTE POWDER UTILIZATION IN HIGH PERFORMANCE CONCRETE by Mariaková, Diana; Vlach, Tomáš; Pavlů, Tereza (2019) - The silica powder was replaced by two types of the waste glass powder, originated from different sources (waste glass powder from grinding jewelry and milling of municipal waste glass). Keywords: Waste glass powder, high performance concrete, durability, mechanical properties. Keywords: concrete; glass; hpc; powder; sample; waste
• ANALYSIS OF CORROSION PRODUCTS FROM WW2 CONCRETE BUNKERS IN CZECHIA by Nývlt, Michal; Pazderka, Jiří (2019) - Observation of mold samples by micro- scope. For samples 2 and 5, it was necessary to dilute with 1:10 distilled water. Keywords: concrete; corrosion; figure; sample; values
• CUSTOM-MADE RHEOMETER FOR THE EXPERIMENTAL STUDY OF POLYURETHANE RESIN PU9010 by Fissore, Luciano; Diebels, Stefan (2019) - Torque In this rheometer the torque sensor that was chosen is a reaction torque sensor because it fits the design better than dynamic torque sensors. Lever arm The planar translational oscillatory motion is trans- formed into a rotational oscillatory motion using a lever arm (Figure 4) because, in principe, this would give the opportunity to apply high torque using small forces. Keywords: curing; figure; plate; reaction; rheometer; sample; torque
• DETECTION OF THE PRESENCE OF MICROORGANISMS DURING PRODUCTION OF PLASTERBOARD by Sekavová, Hana; Prošek, Zdeněk; Ryparová, Pavla (2021) - This article is focused on detection microorganisms appearing during production of gypsum plasterboards. This article shows first part of this issue what was detection of the most critical place of production, where is the highest risk of bacterial contamination and it open the area to find suitable modification of production process or recipes of gypsum plasterboards. Keywords: figure; gypsum; microorganisms; paper; plasterboard; production; sample
• Chloride ion penetration behaviour in concrete containing an expansive additive and a calcium-aluminate-based additive by Ito, Shinya; Iyoda, Takeshi (2022) - Material characteristics and penetration behaviour of chloride ions The results suggested that the penetration behaviour of chloride ions inside the hardened bodies and the distribution of free chloride ions differed in the con- crete formulations, and that the values calculated with Fick’s diffusion equations may not necessarily reproduce the actual infiltration behaviour of chlo- ride ions, except for the N sample. The effect of the material characteristics on the infiltration behaviour of chloride ions in concrete containing a combination of an expansive additive and a calcium-aluminate-based additive has been investigated. Keywords: additive; ca2; chloride; chloride ions; concrete; ions; salt; sample

• EFFECT OF BACTERIA BACILLUS PSEUDOFIRMUS AND FUNGUS TRICHODERMA REESEI ON SELF-HEALING ABILITY OF CONCRETE by Žáková, Hana; Pazderka, Jiří; Rácová, Zuzana; Ryparová, Pavla (2019) - Conclusion Effect of bacteria Bacillus pseudofirmus on self-healing ability on early-aged concrete was confirmed just in one case - when concrete specimens were placed in 253 media. 5 specimens were inoculated with fungus Trichoderma reesei and 5 specimens were inoculated with bacteria Bacillus pseudofirmus. Keywords: bacteria; concrete; specimens
• Behavior of predried mature concrete beams subject to partial wetting and drying cycles by Dohnalová, Lenka; Havlásek, Petr; Šmilauer, Vít (2022) - The beams were prepared from a spare backup specimens from a preceding experimental project on shrinkage-induced deformations of concrete beams subjected to nonsymmetric drying, whose details and first results can be found in [8]. Detail of concrete beams at the left support soon after the onset of wetting. Keywords: beams; concrete; drying; specimens; wetting

• STABILIZATION AND SPECIFICATION OF CHARACTERISTIC VALUE OF GEOTECHNICAL PARAMETERS by Vaníček, Ivan (2017) - In the second case soil properties remain the same (on the previous values), as well the parameters of the reinforc- ing element (most often geosynthetics). Conclusion The application of different additives for improvement of soil properties has growing tendency. Keywords: application; earth; lime; soil; stabilization; structures
• Oldest concrete vaulted and arch bridges in the Czech Republic – evaluation and preservation of their historical value by Šafář, Roman; Šafář, Roman; Hrdoušek, Vladislav; Včelová, Helena; Hlavničková, Vendula (2022) - Keywords: Concrete bridge, arch bridge, vaulted bridge, existing structure, repair of bridges, strengthening of bridges, historical value of bridges, structural value of bridges. Concrete bridge at the Ethnographic Exhibition in Prague 1895. Keywords: arch; bridge; concrete; deck; ing; span; structures; vaulted
• Simplified modelling of the performance of concrete tunnels during fire and post-fire damage classification by Van Coile, Ruben; Jovanović, Balša; Chaudhary, Ranjit Kumar; Deckers, Xavier; Lucherini, Andrea (2022) - The evaluation of concrete fire damage through the 300◦C isotherm (D300) and residual deformations is recommended. 36/2022 Modelling of concrete tunnels damage by fire Figure 2. Keywords: concrete; damage; exposure; figure; fire; heating; phase; spalling; structures; tunnel
• Comparison of the collapse frequency and failure probability of buildings by Proske, Dirk; Schmid, Michael (2022) - In contrast to these calcu- lation models, in which either directly or indirectly nominal failure probabilities are determined, there are the observations of building collapses. Annual frequency of building collapses based on [13]. Keywords: buildings; collapse; earthquake; engineering; failure; frequencies; probabilities; reliability; structures
• Desing of the algorithm, print and analysis of porous structures with modifiable parameters by Grabiec, Radosław; Tarasiuk, Jacek; Wroński, Sebasatian (2023) - Having cross-sections of the original bone and printed structures, it was possible to compare their porosity and the average diameter of the trabeculae in the structure. Another goal of the analysis, was to collect data on the average trabeculae thickness of printed structures and their designs by using function thickness. Keywords: algorithm; figure; porosity; structures; thickness; trabeculae

• Autonomous driving with a focus on HMI for parallel parking maneuvers by Leistner, Jan; Radová, Zuzana; Bouchner, Petr (2024) - Along with a review of parking assistants, the paper presents a prototype parking assistant with an alternative distance display. Data with prototype parking assistant. Keywords: assistant; autonomous; display; distance; driver; obstacle; parking; parking assistant; vehicle
• Augmented emergency lighting as a soft early warning: measures on road users when moving over by Lidestam, Björn; Lindblad, Philip; Ondomiši, Petr; Sörengård, Emilia; Weibull, Kajsa (2024) - In a review of data from a paramedic division in Denver on emergency vehi- cle accidents and collisions [4], the importance of emergency vehicle drivers clearing intersections before entering was highlighted. A novel interface to provide robust, intuitive, and timely alerts to road users to move over for emergency vehicles (EVs) was tested in a seven-minute driving-simulator experiment. Keywords: ael; alert; ambulance; emergency; eva; vehicle; warning; way
• An examination of driving speed: the role of perceivable road characteristics in towns by Scháno, Martin; Nový, Josef; Zeisek, Jiří (2024) - This research has uncovered a number of interesting factors that have not been previously used in the calculation of road vehicle speeds. Design factors that affect driver speed on suburban streets. Keywords: attributes; distance; driver; driving; number; pedestrian; road; speed; traffic; vehicle; width
• Safety aspects of e-cars charging at railway stations by Štěrba, Roman; Cigánek, Jiří (2024) - Firefighting vehicle in the Czech Republic for extinguishing electric car fires [18]. [In Czech; Firefighters get special Hilux 6x6 to fight electric car fires]. Keywords: battery; car; cars; charging; czech; electric; fire; parking; safety; stations; vehicle; čsn
• Use and access possibilities in the field of training future drivers using a vehicle simulator by Topol, Libor (2024) - Using vehicle simulators allows this practice and training of future drivers, which can be fulfilled and practiced in all weather conditions. The second significant advantage of vehicle simulators is the reproducibility of individ- ual situations [3]. Keywords: drivers; driving; evaluation; simulator; software; vehicle
• Optimizing timing for emergency vehicle approaching warnings by Weibull, Kajsa; Lidestam, Björn; Prytz, Erik (2024) - However, the distribution of EVA warnings is based on the most probable path of the emergency vehicle. Previous studies have distributed EVA warnings based on the distance between the emergency vehicle and surrounding cars. Keywords: emergency; eva; vehicle; warning
• The effect of roadside on speed perception by Rak, Martin; Bilík, Martin (2025) - While the original focus of these works was not specifically on the im- pact of roadside environments on speed perception, this new analysis shifts the attention to how different surroundings might influence drivers’ and witnesses’ ability to estimate vehicle speed accurately. The study examines how various roadside elements, such as flat areas, trees, slopes, and buildings, influence speed perception. Keywords: area; deviation; drivers; effect; perception; roadside; speed; vehicle
• THE DUBINS TRAVELING SALESMAN PROBLEM WITH CONSTRAINED COLLECTING MANEUVERS by Váňa, Petr; Faigl, Jan (2016) - An example of the DTSP-CM instance with straight collecting maneuvers in a cargo airdrop mission. Examples of straight collecting maneuvers of the DTSP-SCM length L givenM and Σ can be computed as: L(M,Σ) = n−1∑ i=1 D(g(τσi ), f(τσi+1)) Keywords: approaches; collecting; dtsp; dubins; length; maneuvers; problem; scm; target; vehicle
• CORRELATION ANALYSIS OF VEHICLE FRONTAL IMPACT PARAMETERS by Mík, Josef; Kadlecová, Jana (2017) - As it can be seen from Table 1 and 2, the constella- tions of test vehicles contain vehicles equipped with different types of passive safety systems. Results of crash tests – characteristic of test vehicles. Keywords: barrier; collision; correlation; dependency; value; vehicle
• Vehicle/track interaction under the conditions of high speed railway operation by Šlapák, Jiří; Michálek, Tomáš (2021) - The static values of the wheel forces are given by the relevant axle load; amplitudes of the oscillations are influenced with the unsprung masses, vehicle speed and the track irregularities [1]. In addition to the technical solution of the vehicle, the damaging effect also depends on the operating condi- tions of the vehicle (radii of curves, vehicle speed). Keywords: deficiency; number; track; vehicle; vehicle speed; wear

• IMPACT ASSESSMENT OF IMAGE FEATURE EXTRACTORS ON THE PERFORMANCE OF SLAM SYSTEMS by Pire, Taihú; Fischer, Thomas; Faigl, Jan (2015) - Comparative assessment of point feature detectors in the context of robot navigation. In particular, the S-PTAM (Stereo Parallel Tracking and Mapping) method is considered as the visual SLAM framework for which both the feature detector and feature descriptor are parametrized. Keywords: brief; descriptor; detector; extractors; feature; image; map; method; slam
• QFD EXAMPLE IN INTERACTION WITH HMI by Chudjaková, Inga; Tobiška, Jaromír (2017) - Thanks to QFD methods, the designers can understand what customers want and it designs the product. For the practical example of using QFD method, we need to optimize the display to ensure safe operation while driving. Keywords: customers; method; qfd; technical
• VARIATIONALLY-BASED EFFECTIVE DYNAMIC THICKNESS FOR LAMINATED GLASS BEAMS by Schmidt, Jaroslav; Zemanová, Alena; Janda, Tomáš; Zeman, Jan; Šejnoha, Michal (2017) - This contribution addresses such simplified models for free vibrations of laminated glass beams, with the goal to determine their natural frequencies and modal damping properties. To our best knowledge, only one effective thickness approach for modal analysis of laminated glass beams can be found in literature. Keywords: beam; det; eet; glass; method; mode; thickness
• WANG TILES LOCAL TILINGS CREATED BY MERGING EDGE-COMPATIBLE FINITE ELEMENT MESHES by Zrůbek, Lukáš; Kučerová, Anna; Doškář, Martin (2017) - Wang Tiles Method The basic principle of Wang tiles method was intro- duced by Mr. Hao Wang = uE(x) + u∗(x) (1) where u∗(x) is the microscopic fluctuation field syn- thesized by means of Wang tiles method and uE(x) is the macroscopic part solved by finite element method (FEM) with a sparse grid. Keywords: method; micro; microstructure; tiles; tiling; wang
• PERFORMANCE EVALUATION OF DIFFERENT LINEAR EQUATION SOLVERS FOR SOLVING NONLINEAR FE PROBLEMS ON MULTICORE ARCHITECTURES by Bošanský, Michal; Patzák, Bořek (2018) - It is clear that the number of iteration which is needed to successfully solve our benchmark problem is higher for Initial stiffness matrix method than the Newton-Raphson method. To illustrate the performance of direct SuperLU DIST solver and iterative solver PETSc the execution times and speedups are presented. Keywords: matrix; memory; method; performance; petsc; solver; stiffness; superlu
• APPLICATION OF THE MODIFIED MAGNETOELASTIC METHOD AND AN ANALYSIS OF THE MAGNETIC FIELD by Klier, Tomáš; Míčka, Tomáš; Polák, Michal; Plachý, Tomáš; Hedvábný, Milan; Jelínek, Roman; Bláha, Filip (2018) - Magnetoelastic stress measurement and material defect detection in prestressed tendons using coil sensors. Diagram of a fully equipped elastomagnetic sensor (EM sensor). Keywords: cable; coil; field; figure; method; sensor
• The assessment of priorities in the construction of new high-speed railway lines in Czech Republic by using the stem method by Purkart, Pavel; Kruntorád, Jan; Týfa, Lukáš (2021) - There has not been set a limit for individual RS sections as a limitation of financial costs. The decisive factor is the order in which individual RS sections should be built on the basis of evaluation criteria. Keywords: brno; method; praha; sections; stem
• CALCULATION OF SEISMICALLY LOADED EARTH RETAINING STRUCTURES by Pruška, Jan; Pavelcová, Veronika (2022) - Comparative calculations of the effect of cohesion on active seismic earth pressure coefficient: kh = 0.1 (top) and kh = 0.2 (bottom). It is an alternative to the standard M-O equations for seismic earth pressures suffering thus from the same limits as the M-O method. Keywords: coefficient; earth; method; pressure; seismic; wall
• Railway reinforced concrete infrastructure life management and sustainability index by Lajevardi, Seyed Mohammad Sadegh; Lourenço, Paulo B.; Sousa, Hélder S.; Matos, José C. (2022) - Keywords: Life management, maintenance planing, sustainability index. [3] MCDM PSI Sustainability index for highway construction projects [4] MCDM AHP Development of sustainability assessment index for machine tools [5] MCDM AHP Development of a multidisciplinary approach to compute sustainability index for manufacturing plants - Singapore Assessing the feasibility of using the heat demand-outdoor perspective temperature function for a long-term district heat demand forecast Keywords: bridge; decision; defect; index; method; proceedings �; research; sustainability; table; � figure; � �

• LHC, Astrophysics and Cosmology by Auriemma, Giulio (2014) - [6] J. e. Beringer et al. (PDG) Phys. [61] O. Buchmueller et al. arXiv:1207.7315. Keywords: gev; higgs; lhc; mass; susy
• Mass Accretion Processes in Young Stellar Objects: Role of Intense Flaring Activity by Orlando, Salvatore; Reale, Fabio; Peres, Giovanni; Mignone, Andrea (2014) - In this paper we review our findings and present preliminary results of a study investigating the effects of a storm of small-to-medium flares on the stability of accretion disks (Orlando et al. 2014). orlando@astropa.inaf.it Abstract According to the magnetospheric accretion scenario, young low-mass stars are surrounded by circumstellar disks which they interact with through accretion of mass. Keywords: accretion; disk; flares; mass; orlando; star
• Star Formation as Seen by Low Mass Stars by Panagia, Nino; De Marchi, Guido (2014) - Our motivations are: i) Stars in this range account for most of the star formation in a galaxy, e.g. more than 65% for a Salpeter initial mass function (IMF); ii) Low mass stars can form in small parent clouds as well as in big ones; iii) As a consequence, low mass stars are forming near massive stars as well as in isolated groups. 114 Star Formation as Seen by Low Mass Stars Figure 3: The left panel shows the mass accretion rate as a function of stellar age for PMS stars in NGC 346 (diamonds) compared with that of Galactic T Tauri stars (see legend) from the work of Sicilia–Aguilar et al. (2006; the large cross indicates the uncertainties as quoted in that paper). Keywords: formation; mass; pms; stars
• AE Aquarii: A Short Review by Meintjes, P. J.; Odendaal, A.; van Heerden, H. (2015) - The low accretion rate of the white dwarf in AE Aquarii (Ṁ∗ ∼ 1014 g s−1) compared to the mass transfer rate deduced from the UV emission line spectra (Ṁ2 ∼ 1017 g s−1) implies that the white dwarf in AE Aquarii is in a super-propeller (ejector) state (Bisikalo & Zhilkin 2012; Ikhsanov & Beskrovnaya 2012). The low accretion in comparison to the mass trans- fer α = Ṁ∗/Ṁ2 ∼ 0.1% may indicate that the white dwarf in AE Aquarii is currently in a super-propeller (Bisikalo & Zhilkin 2012) or ejector phase (Ikhsanov & Beskrovnaya 2012) and that the white dwarf in AE Aquarii may exhibit the same properties as a spun-up radio pulsar (e.g Ikhsanov & Bierman 2006). Keywords: aquarii; dwarf; mass; meintjes; mnras
• Flickering in CVs and Accretion Disc Viscosity by Baptista, R. (2015) - Abstract I review observational constraints on accretion disc viscosity inferred from changes of disc structure with time and from disc flickering distributions. Flickering maps show an asymmetric source at disc rim (BS-stream flickering) and an extended cen- tral source (disc flickering) several times larger in ra- dius than the WD at disc centre. Keywords: accretion; baptista; cvs; disc; flickering; mass; viscosity; αss
• Evolution and Outbursts of Cataclysmic Variables by Qian, S.-B.; Zhu, L.-Y.; Zhao, E.-G.; Fernández Lajús, E.; Zhang, J.; Shi, G.; Han, Z.-T. (2015) - The observations clearly show that it is the variation of mass transfer causing the brightness state changes that is a direct evidence of variable mass transfer in a CV. This is a direct evidence of variable mass transfer and accretion in the CV. Keywords: accretion; brightness; cvs; dwarf; eclipse; mass; transfer
• SWSex Stars, Old Novae, and the Evolution of Cataclysmic Variables by Schmidtobreick, L.; Tappert, C. (2015) - On the other hand, some old novae in this period range which are expected to show high mass transfer rate instead show photometric and/or spectroscopic resemblance to low mass transfer systems like dwarf novae. Some potential evidence for hi- bernation has been presented in the form of old nova shells around CVs that have previously been known as low mass transfer systems, i.e. Z Cam (Shara et al., 2007) and AT Cnc (Shara et al., 2012). Keywords: mass; novae; stars; transfer
• Theory of Nova Outbursts and Type Ia Supernovae by Kato, M.; Hachisu, I. (2015) - Figure 1: Light curves of various speed classes of no- vae. Figure 2 shows light curves calculated for various WD masses. Keywords: curves; hachisu; kato; light; mass; novae
• On the 2011 Outburst of the Recurrent Nova T Pyxidis by Izzo, L.; della Valle, M.; Ederoclite, A.; Henze, M. (2015) - Anyway, other works consider that value of q as the actual one working in T Pyx case. 268 Introduction The Nebular Phase of T Pyx The Configuration of the Binary System Final Considerations × 10−16 265 L. Izzo et al. � � � � � � � � Figure 2: The location of the T Pyx parameters (green stars) with respect to the M 31 nova correlations presented in [20]: (1) the ton-toff correlation, for T Pyx measured from the time of maximum brightness; (2) the kT-toff relation, with kT given by the average value kT=55.7 eV; (3) the relation between ton and t2 and (4) the correlation between ton and the expansion velocity as measured from the Hα emission line. Keywords: mass; outburst; pyx
• IMPACT OF THE CHEMICAL FORM OF IN-CONTAINMENT SOURCE ON FISSION PRODUCT RELEASE FROM WWER-1000/V-320 TYPE NPP CONTAINMENT DURING LOCA by Kecek, Adam (2016) - iodine is one of the main options of iodine mass release into the environment. Based on this it was decided to test, whether the chemical form and also the target part of the zone has any influ- ence on iodine mass entraining the environment. Keywords: containment; environment; fission; form; iodine; mass; release
• MODELLING ROCK MASS IMPROVEMENT USING ROCK BOLTS by Pruška, Jan (2017) - Rock bolts modelling using FEM The modelling of anchors and rock bolts by FEM is more complicated compared with the modelling of the rock mass itself. Keywords: Rock bolts, modelling, FEM. Keywords: area; bolts; element; mass; modelling; rock
• DESIGN OF TUNED MASS DAMPERS FOR LARGE STRUCTURES USING MODAL ANALYSIS by Štepánek, Jan; Máca, Jiří (2020) - Simplified TMD design method proposed by Den Hartog was compared to numerical optimization. The modal matrix must be mass orthonormal with mode shapes φ arranged as its columns. Keywords: mass; mode; response; tmd; tmds
• The effect of sampling volume size on the apparent stiffness of jointed rock mass by Lebeda, Martin; Kabele, Petr (2022) - [1] averaging procedure in conjunction with 3D stochastic DFN has been ex- amined with the aim to determine the dependence of apparent rock mass stiffness on sampling volume size. Thus, the range of fracture sizes covered by the model is appropriate for the scale of an underground structure (e.g. tunnel). Keywords: dfn; fractures; mass; rock; sampling; size; stiffness; volume

• Municipal waste management performance: a focus on Slovakia and its LAU-1 districts by Marišová, Eleonóra; Fandel, Peter (2024) - Keywords: Waste legislation, strategies, municipal waste management, LAU-1 districts, performance, composite indicators, Data Envelopment Analysis, Malmquist Index. Municipal waste management should contribute to the SDGs’ fulfilment, and we need to consider not just environmental and economic but also social factors influencing the waste generation, waste treatment and processing. Keywords: directive; districts; efficiency; environmental; index; indicators; košice; legislation; management performance; municipal; nad; performance; rate; recycling; slovakia; table; technical; treatment; waste; waste management

• Advanced silicate composites – a contribution to sustainable construction by Vlach, Tomáš; Kafková, Eliška; Macháček, Jan; Kabíčková, Věra; Hájek, Jakub; Novotná, Magdaléna; Řepka, Jakub (2025) - Keywords: Concrete, sustainability, textile reinforcements, textile reinforced concrete skin, recycled aggregate concrete, high-performance concrete, RAC core, HPC skin. Both again with thickness of reinforced HPC skin 18 mm. Keywords: carbon; concrete; hpc; rac; reinforcement; skin; textile
• LIGHTWEIGHT UHPC FACADE PANEL WITH LED DISPLAY by Ženíšek, Michal; Vodička, Aleš; Vlach, Tomáš; Laiblová, Lenka; Hájek, Petr (2019) - Block diagram of LED panel. Lit LED panel. Keywords: display; facade; panel; reinforcement; uhpc
• Extent of corrosion damage for RC structures exposed to chloride-bearing environment by Lollini, Federica (2022) - Non- traditional assessment and maintenance methods for aging concrete structures - technical and non-technical issues. Chloride contents at the depth c = 22.5 mm and calculated values of pcorr, i. ∆c Keywords: chloride; concrete; corroding; corrosion; depth; extent; reinforcement; � �

• MATHEMATICAL MODELING OF EXPERIMENT ON BERKOVICH NANOINDENTATION OF ZRN COATING ON STEEL SUBSTRATE by Sadyrin, Evgeniy; Vasiliev, Andrey; Volkov, Sergei (2020) - In the present paper the experiment on Berkovich nanoindentation of ZrN coating on steel substrate is modelled using the proposed effective mathematical model. ZrN coatings are used in practice to improve the ability of various tools for drilling and milling aluminum and titanium alloys Keywords: coating; contact; indentation; nanoindentation; substrate; zrn
• INDENTATION SIZE EFFECT IN HIGH PRESSURE TORSION PROCESSED HIGH ENTROPY ALLOY by Haušild, Petr; Čížek, Jakub; Čech, Jaroslav; Zýka, Jiří; Kim, Hyoung Seop (2020) - Introduction In high entropy alloys (HEAs), the configurational entropy of a multicomponent solid solution phase is maximized so that the Gibbs energy of random solu- tion may be lower than that of possible intermetallic phases. A review on fundamental of high entropy alloys with promising high-temperature properties. Keywords: alloy; cast; depth; entropy; hardness; hpt; indentation; turn

• The influence of road marking visibility on lateral vehicle position and driving speed by Kučina, Ivana; Kosovec, Bernard; Jezidžić, Filip; Ferko, Marija; Babić, Darko (2025) - This indicates slightly more variability in lateral position under high visibility conditions, potentially due to drivers feeling more confident and adjusting their position more frequently. These results indicate that vehicles tend to deviate less from the centre in high visibility conditions compared to poor visibility. Keywords: conditions; curve; driving; levels; marking; medium; position; research; right; road; speed; visibility
• INFRASTRUCTURE PARAMETERS AFFECTING CAPACITY OF RAILWAYS IN TEN-T by Janoš, Vít; Kríž, Milan (2016) - Lost capacity is unusable time space between train paths with different train speeds, where any additional train path cannot be inserted (e.g. because there is no other station). The most typical situation for the active overtaking is an interaction of a fast freight train (maximum train speed about 100 km/h) and a regional passenger train (journey speed about 50 km/h). Keywords: capacity; line; speed; train
• MONITORING OF TRACK SECTIONS WITH LONG-PITCH CORRUGATION by Valehrach, Jan; Šmíd, Jaroslav (2016) - And there is also the second aspect of the problem, which some say is even more important – that is the influence of the imperfections for the adjacent neighborhood, such as vibrations, noise and quakes, all significantly reducing the quality of life of the people living near tracks. This phenomenon occurs more often these days, since there is an effort of the track designers to maximize the speed limits as much as possible (they tend to ”squeeze out” the most of the infrastructure) and mostly could be found on tracks with very heterogeneous traffic flow, consisting of the various ratios of the passenger and freight trains. Keywords: corrugation; curve; development; pitch corrugation; sections; speed; track; trains
• CANT EXCESS AND CANT DEFICIENCY EVALUATION IN RELATION TO TRAIN SPEED by Valehrach, Jan; Říha, Tomáš; Dušek, Erik (2017) - Further research should focus on the long-term mon- itoring of train speeds in order to be able to calculate cant deficiency or cant excess more precise. When comparing the weighted cant excess or cant deficiency for train categories with the weighted value for all the trains according to Table 3 it could be stated, that at least for the rough estimate for the purposes of setting curves against each other is this value conclusive enough. Keywords: deficiency; locations; passenger; speed; train; values

• Analysis of peel and shear strains in cracked lap shear specimens subjected to fatigue loading using digital image correlation by Panerai, Alessandra; Piccoli, Gianmarco; Martulli, Luca Michele; Bernasconi, Andrea; Carboni, Michele (2023) - Use of DIC in the characterisation of mode II crack propagation in adhesive fatigue testing. However, the distance between the different reference points remains almost constant for all crack lengths considered, so they still provide a reliable, albeit slightly conservative, estimation of crack length. Keywords: bondline; crack; displacement; figure; loading; mode

• Life cycle assessment of carbon concrete composites: a circular economy path beyond climate mitigation? by Scope, Christoph; Guenther, Edeltraud; Mielecke, Torsten; Schuetz, Julia; Muendecke, Eric; Schultze, Konstantin (2022) - 33/2022 LCA of Carbon Concrete Composites ��� �� � � �� �� �� )XOO�OLIH�F\FOH NJ�&2�HT�Pð ¨�9DULDQW�$��%���ZDOO� ¨�9DULDQW�$��%� ¨�9DULDQW�%��%� ¨�6FHQDULR����$��%�� ¨�6FHQDULR����$��%�� ¨�6FHQDULR����$��%�� ¨�6FHQDULR����$��%�� ¨�6HQVLWLYLW\�6WHHO�UHLQI���$��%�� ¨�6HQVLWLYLW\�&DUERQ�ILEHU��$��%�� Figure 5. ���� ���� ���� ���� �� ��� ��� ��� ��� ���� '��&UHGLW�IRU�JODVV�IOHHFH &���3\URO\VLV &�����'HPROLWLRQ�DQG�WUDQVSRUW Figure 2. Keywords: carbon; ccc; co2eq; concrete; cycle; fiber; life; src; ¨ �; � ¨; � �
• Environmental perspectives of fine grounded concrete powder: LCA case study of light-weight concrete block by Pešta, Jan; Prošek, Zdeněk (2022) - The environmental performance of considered con- crete block was compared with environmental impacts declared in the EPD of Aerated Autoclaved Concrete. The impact in these categories is also influenced by the contribution of landfilling process, which describes environmental impacts caused by construction inert material disposed on the landfill. Keywords: block; concrete; impact; life; production; use

• Influence of various angles and distances on luminance measurement results by Bartoníček, Jan; Blodek, Tomáš; Vrtal, Pavel (2025) - Survey of studies on lighting and luminance measurement methods In the field of photometry and luminance measure- ment, numerous studies and research endeavours have addressed various aspects of illumination and its im- pact on traffic safety. For the purposes of this study, will be presented only the assessment of measured luminance values from a uniform viewing axis. Keywords: analyser; area; conditions; figure; lighting; luminance; measurement; road; traffic; values
• Impact of illuminated advertising devices on road traffic safety by Nouzovský, Luboš; Svatý, Zdeněk; Kocián, Karel; Maleček, Jonáš (2025) - For the purpose of the measurements processed and evaluated in cooperation with the company SATHEA VISION s.r.o., advertising devices were included in the public lighting system mainly for the following reasons: • Advertising devices are usually placed in a similar position to the road as the standard public lighting system. • Keywords: Advertising devices, road safety, lighting. Keywords: advertising; advertising devices; brightness; devices; impact; lighting; luminaire; luminance; road; traffic
• PLANNING AND COORDINATION IN DRIVING SIMULATION by Schaefer, Martin (2015) - The asynchronous de- centralized prioritized planning (ADPP) method for road vehicles coordination was proposed and applied 43 Martin Schaefer Acta Polytechnica CTU Proceedings in [10] and in detail in [11]. Prioritized planning for road vehicles coordination. Keywords: coordination; driver; driving; road; simulation; systems; traffic; vehicles
• AUTOMATIC GENERATION OF ROAD INFRASTRUCTURE IN 3D FOR VEHICLE SIMULATORS by Orlický, Adam (2017) - Besides the generation of road infrastructure models, a tool (plug-in) should be able to complete a scene around roads in such a way, that the resulting virtual scenery would be as close to reality as possible. Unlike the TIN models, the NURBS models are more pre- cise, while there is a possibility of transformation of NURBS models into TIN models with setting the quality of created TIN models in Rhinoceros software. Keywords: figure; models; plug; road
• DANGEROUS DRIVER’S BEHAVIOR by Topol, Libor; Drahotský, Ivo (2017) - Young drivers (age group under 24 years old) are said to be the highest risk group of drivers in age- wise[6]. Statistical research confirms that young drivers are referred as the most dangerous group. Keywords: accidents; behavior; driver; driving; road; traffic
• Safety analysis of the method of implementation of crash cushions by Šimková, Tereza; Frydrýn, Michal (2023) - The catalogue sheets contain an overview of the containment levels of crash cushions, which are their main parameter and are decisive for choosing the type of crash cushion in a specific location Each sheet contains a group of similar types of crash cushions from the same manufacturer and several parameters are given for each specific variant of crash cushion. Keywords: containment; crash; crash cushions; cushions; level; road; safety

• Drivers, instruments and challenges of knowledge and technology transfer in the automotive sector by Michel-Schneider, Ulrike (2024) - Drivers of KTT As in other industry sectors, technology transfer in the automotive industry is driven by various factors and incentives. Key drivers for technology transfer in automotive involve the three stakeholder groups mentioned in the introduction. Keywords: automotive; challenges; czech; drivers; funding; government; industry; innovation; institutions; instruments; knowledge; ktt; research; saxony; sector; technologies; technology; transfer
• Public perception of the Kamenná District by Pokorná, Sofie; Francová, Klára; Číhalová, Nikola (2025) - During this period, the public perceives Kamenná District very negatively and its inhabitants as problematic and unadaptable. Perception of Kamenná District Residents. Keywords: brno; city; colony; czech; district; kamenná; kamenná district; residents; respondents
• Workshop on The Golden Age of Cataclysmic Variables and Related Objects - II . by Foreword, Editorial, (2015) - The Editors Franco Giovannelli & Lola Sabau-Graziati vi List of participants Arai Akira, Nishi-Harima Astronomical Observatory, University of Hyogo, Japan arai@nhao.jp Balman Solen, Middle East Technical University, Turkey solen@astroa.physics.metu.edu.tr Baptista Raymundo, Universidade Federal de Santa Catarina (UFSC), Brazil raybap@gmail.com Bisikalo Dmitry, Institute of Astronomy - RAS, Russia bisikalo@inasan.ru Blondin Stéphane, Service d’Astrophysique, CEA Saclay, France stephane.blondin@oamp.fr Breytenbach Hannes, University of Cape Town, South Africa johbenbrey@gmail.com Buckley David, Southern African Large Telescope, South Africa dibnob@saao.ac.za Cannizzo John, UMBC/NASA/GSFC, USA John.K.Cannizzo@nasa.gov Carter Philip, Department of Physics, University of Warwick, UK philip.carter@warwick.ac.uk Chochol Drahomir, Astronomical Institute of the Slovak Academy of Sciences, Slovakia chochol@ta3.sk De Bianchi Silvia, TU Dortmund, Germany silvia.debianchi@tu-dortmund.de Della Valle Massimo, Capodimonte Astronomical Observatory, INAF-Napoli & ICRANet, Pescara, Italy dellavalle@na.astro.it Ederoclite Alessandro, Centro de Estudios de F́ısica del Cosmos de Aragón, Spain aederocl@cefca.es Gilmozzi Roberto, European Southern Observatory, Garching, Germany rgilmozz@eso.org Giovannelli Franco, INAF – IAPS, Roma, Italy franco.giovannelli@iaps.inaf.it vii Gonzalez-Riestra Rosario, XMM–Newton Science Operations Ctr, ESAC, Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain Rosario.Gonzalez@sciops.esa.int Hachisu Izumi, University of Tokyo, Japan hachisu@ea.c.u-tokyo.ac.jp Henze Martin, XMM–Newton Science Operations Ctr, ESAC, Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain martin.henze@sciops.esa.int Hernandez Santisteban Juan Venancio, University of Southampton, UK j.v.hernandez@soton.ac.uk Hudec René, Astronomical Institute AS–Ondřejov & CTU–Prague, Czech Republic rene.hudec@gmail.com Idan Irit, Technion - Israel Institute of Technology, Israel idan@technion.ac.il Isern Jordi, Institut for Space Sciences ICE-CSIC/IEEC, Barcelona, Spain isern@ieec.cat Ishida Manabu, The Institute of Space and Astronautical Science/JAXA, Sagamihara, Japan ishida@astro.isas.jaxa.jp Izzo Luca, Sapienza University of Rome and ICRANet, Roma, Italy luca.izzo@gmail.com Kajikawa Tomoyo, Kyoto Sangyo University, Kyoto, Japan kajikawa@cc.kyoto-su.ac.jp Kato Mariko, Keio University, Yokohama, Japan mariko@educ.cc.keio.ac.jp Katysheva Nataly, Sternberg State Astronomical Institute, Moscow, Russia natkat2006@mail.ru Kawakita Hideyo, Koyama Astronomical Observatory Kyoto, Sangyo University, Kyoto, Japan kawakthd@cc.kyoto-su.ac.jp Knigge Christian, University of Southampton, UK C.Knigge@soton.ac.uk Kononov Dmitriy, Institute of Astronomy - RAS, Moscow, Russia dkononov@inasan.ru Kotze Marissa, South African Astronomical Observatory, Cape Town, South Africa marissa@saao.ac.za viii Kotze Enrico, South African Astronomical Observatory, Cape Town, South Africa ejk@saao.ac.za Latev Georgi, Institute of Astronomy and National Astronomical Observatory, Sofia, Bulgaria glatev@astro.bas.bg Martino Bruno Luigi, associated IAPS-INAF, Roma, Italy brunolmartino@gmail.com Mason Paul, University of Texas at El Paso, USA pmason@nmsu.edu Meintjes Pieter, University of the Free State, Bloemfontein, South Africa MeintjPJ@ufs.ac.za Mikolajewska Joanna, N. Copernicus Astronomical Center–PAN, Warsaw, Poland mikolaj@camk.edu.pl Mukai Koji, NASA/GSFC/CRESST and UMBC, Greenbelt, MD, USA Koji.Mukai@umbc.edu Nagashima Masayoshi, Kyoto Sangyo University, Kyoto, Japan g0837714@gmail.com Naito Hiroyuki, Nagoya University, Nagoya, Japan naito@phi.phys.nagoya-u.ac.jp Nebot Ada, Observatoire Astronomique de Strasbourg, France ada.nebot@astro.unistra.fr Ness Jan-Uwe, XMM–Newton Science Operations Ctr, ESAC, Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain juness@sciops.esa.int Neustroev Vitaly, University of Oulu, Finland Vitaly.Neustroev@oulu.fi Odendaal Alida, University of the Free State, Bloemfontein, South Africa WinkA@ufs.ac.za Orio Marina, INAF–Osservatorio Astronomico di Padova, Italy marina.orio@oapd.inaf.it Pagnotta Ashley, American Museum of Natural History, New York, NY, USA pagnotta@amnh.org Parisi Pietro, INAF – IAPS, Roma, Italy pietro.parisi@iaps.inaf.it ix Patterson Joseph, Columbia University, New York, NY, USA jop@astro.columbia.edu Poggiani Rosa, Dipartimento di Fisica, Università di Pisa, Italy rosa.poggiani@df.unipi.it Potter Stephen, South African Astronomical Observatory, Cape Town, South Africa sbp@saao.ac.za Pretorius Margaretha, University of Southampton, UK m.pretorius@soton.ac.uk Qian Shengbang, Yunnan Astronomical Observatory, Kunming, China qsb@ynao.ac.cn Reale Francesco, Cnr – Isc, Italy francesco.reale@sic.rm.cnr.it Reinsch Klaus, Universität Göttingen, Institut für Astrophysik, Germany reinsch@astro.physik.uni-goettingen.de Ritter Hans, Max-Planck-Institut für Astrophysik, Germany hsr@mpa-garching.mpg.de Sabau-Graziati Lola, Instituto Nacional de Técnica Aeroespacial (INTA) — Departamento de Cargas Utiles y Ciencias del Espacio (DCUCE), Torrejón de Ardóz, Madrid, Spain sabaumd@inta.es Scaringi Simone, K.U. Leuven, The Netherlands simone.scaringi@ster.kuleuven.be Schmidtobreick Linda, ESO, Santiago, Chile lschmidt@eso.org Schreiber Matthias R., Universidad de Valparaiso, Chile matthias.schreiber@uv.cl Sekeras Matej, Astronomical Institute of Slovak Academy of Sciences, Tatranska Lomnica, Slovakia msekeras@ta3.sk Semena Andry, Space Research Institute (IKI)–RAS, Moscow, Russia san@iki.rssi.ru Shaviv Giora, Technion – Israel Institute of Technology, Haifa, Israel giora@shaviv.org Šimon Vojtěch, Astronomical Institute, Academy of Sciences, Ondřejov, Czech Republic vojtech.simon@gmail.com x Sion Edward, Villanova University, PA - USA edward.sion@villanova.edu Skopal Augustin, Astronomical Institute of Slovak Academy of Sciences, Tatranska Lomnica, Slovakia skopal@ta3.sk Smith Robert, Department of Physics & Astronomy, University of Sussex, Brighton, UK r.c.smith@sussex.ac.uk Stoyanov Kiril, Institute of Astronomy and National Astronomical Observatory, Sofia, Bulgaria kstoyanov@astro.bas.bg Suleimanov Valery, Institute for Astronomy and Astrophysics, University of Tübingen, Germany suleimanov@astro.uni-tuebingen.de Szkody Paula, University of Washington, WA, USA szkody@astro.washington.edu Tanabe Kenji, Okayama University of Science, Okayama-shi, Japan tanabe@big.ous.ac.jp Tappert Claus, Dpto de F́ısica y Astronomı́a, Facultad de Ciencias, Universidad de Valparaiso, Chile claus.tappert@uv.cl Ubertini Pietro, INAF – IAPS, Roma, Italy pietro.ubertini@iaps.inaf.it Uemura Makoto, Hiroshima University, Higashi-Hiroshima, Japan uemuram@hiroshima-u.ac.jp Voloshina Irina, Sternberg Astronomical Institute, Moscow State University, Moscow, Russia vib@sai.msu.ru Yuasa Takayuki, JAXA, Sagamihara, Japan yuasa@astro.isas.jaxa.jp Zemko Polina, Sternberg Astronomical Institute, Moscow State University, Moscow, Russia polina.zemko@gmail.com Zharikov Sergey, Instituto de Astronomı́a, UNAM, Ensenada, Mexico zhar@astrosen.unam.mx Zhu Liying, Yunnan Astronomical Observatory, Kunming, China zhuly@ynao.ac.cn xi xii PALERMO WORKSHOP 2013 The Second International Workshop on THE GOLDEN AGE OF CATACLYSMIC VARIABLES AND RELATED OBJECTS - II Palermo, Italy, September 9 – 14 Edited by Franco Giovannelli & Lola Sabau-Graziati 1 doi: 10.14311/APP.2015.02.9001 Organizing Institutions INAF – Istituto di Astrofisica e Planetologia Spaziali, Roma – INAF-IAPS, Roma, Italy INTA – Dpt. de Cargas Utiles y Ciencias del Espacio, INTA-DCUCE, Madrid, Spain Czech Republic Academy of Sciences – Astronomical Institute, ASCR-AI, Ondřejov, Czech Republic Czech Technical University, CTU in Prague, Czech Republic Department of Physics, Technion, Haifa, Israel Russian Academy of Sciences – Institute of Astronomy, RAS-IA, Moscow, Russia INAF - Osservatorio Astronomico di Capodimonte, INAF-OAC, Napoli, Italy Department of Astronomy, University of Washington, Seattle, WA, USA Scientific Organizing Committee Dmitry Bisikalo, RAS-IA, Moscow (Russia) Massimo Della Valle, INAF-OAC, Napoli (Italy) Franco Giovannelli, INAF-IAPS, Roma (Italy) (Chairperson) René Hudec, ASCR-AI., Ondřejov (Czech Republic) Lola Sabau-Graziati, INTA-DCUCE, Madrid (Spain) Keywords: astronomical; ctu; czech; czech republic; department; inaf; institute; italy; republic; sciences; university
• INTEROPERABILITY OF RAILWAY TRANSPORT IRICoN 2016 by Foreword, Editorial, (2016) - © Czech Technical University in Prague, 2016. 5/2016 Scientific Student Conference Interoperability of Railway Transport IRICoN 2016 May 4, 2016 Prague, Czech Republic organised by: Faculty of Transportation Sciences Czech Technical University in Prague sponsored by: Internal Grant Agency CTU SVK 46/16/F6 guest editors: Jitka Jírová (Faculty of Transportation Sciences, Czech Technical University in Prague) Keywords: czech; faculty; prague; republic
• Reflections on the crisis management of selected municipal and city authorities during the coronavirus pandemic by Šikýř, Martin; Tomešková, Kateřina; Bureš, Radim (2024) - Keywords: COVID-19, public administration, anti-coronavirus measures, crisis management. 2. Materials and methods This survey of crisis management and the most chal- lenging issues of the selected municipal and city au- thorities during the coronavirus pandemic is founded on interviews with representatives of selected munic- ipal and city authorities, complete with interviews with representatives of selected state institutions. Keywords: administration; authorities; city; coronavirus; covid-19; crisis; czech; measures; pandemic; public
• Strategic management of the portfolio of urban real estate: research of the current scientific knowledge by Dobrucká, Lucia; Maštálka, Martin; Šilhánková, Vladimíra (2024) - Real estate management in the Swedish public sector. Keywords: Asset management, real estate portfolio, public property management, property manage- ment, new public governance. Keywords: abstracts; authors; czech; estate; management; portfolio; property; property management; public; research; sector; texts; topic
• Preparation of light fraction silicate filer after the mining for the base layers’ road construction by Jančíková, Andrea; Dvořák, Karel; Ravaszová, Simona (2024) - These standard tests examined the following parameters: Aggregate fraction/fineness, Grind- ing fineness according to Blaine, Bulk weight (ČSN EN 1097-7 [17]), Bulk density (ČSN EN 1097- 3), Chloride content, Sulphates content, Water absorbency (ČSN EN 1097-6), Mass activity index, 226 Ra mass activity (Bq kg−1 ). Result of XRD mineralogical phase analysis of light component sample “Zlaté Hory” silicate filler, the results shown in the graph are listed in Table 2 below the graph. Keywords: aggregates; czech; filler; fraction; institute; light; prague; separation; standard; čsn

• FITEXC – DIFFRACTION PROFILE FITTING PROGRAM RUN IN MS EXCEL by Vertat, Petr; Drahokoupil, Jan (2018) - We present our custom made diffraction fitting program FitExc for the basic treatment of the 1D diffraction profiles, in particular, the Intensity(2θ) of X-ray, synchrotron or neutron diffraction measurements. Keywords: X–ray diffraction, diffraction profile fitting, MS Excel. Keywords: diffraction; excel; fitting; parameters; program; user
• EXPERIMENTAL AND NUMERICAL RESEARCH ON FLOW IN THE LAST STAGE OF 1090MW STEAM TURBINE by Hoznedl, Michal; Sedlák, Kamil (2018) - Comparison of last stage flow parameters. Keywords: Steam turbine, experimental measurement, last stage blade, pneumatic probe, optical probe. Keywords: cfd; flow; measurement; parameters; plane; pressure; stage; steam; turbine; value
• MODELING TIME-DEPENDENT DEFORMATIONS OF CONCRETE MEMBERS SUBJECTED TO SYMMETRIC AND ASYMMETRIC DRYING by Horák, Pavel; Havlásek, Petr (2021) - Conclusions This paper investigated drying shrinkage of concrete slabs exposed to symmetric and asymmetric drying at constant ambient relative humidity. Keywords: Concrete, drying shrinkage, finite elements, moisture transport, parameter identification. Keywords: drying; humidity; parameters; shrinkage

• Image-based random fields in numerical modeling of heterogeneous materials by Šilhánek, David; Sýkora, Jan (2024) - Modeling of spatial variability using random fields is nowadays standard in computational modeling of heterogeneous materials. Keywords: Karhunen-Loève expansion, random field, Monte Carlo, two-phase elastic material. Keywords: correlation; field; figure; values; window
• Comparison of selected parameters for evaluation of rail surface damage intensity by Šlapák, Jiří; Michálek, Tomáš (2022) - The figure further shows that the parameter Tqst values are smaller than the wear number Tγ values in curve radii greater than 700 m. Then for smaller values of the curve radii, the parameter Tqst values are greater then the values of the wear number Tγ . Conversely, the parameter Tqst values are higher than the wear number in the very small curve radii. Keywords: curve; curve radius; tqst; values; wear
• The influence of modern headlamps on the recognition of portable traffic signs and warning triangles by Rak, Martin; Tmejová, Tereza; Bilík, Tomáš; Jelínek, David; Bradáč, Albert (2023) - Comparison of traffic signs in terms of luminance, from left in order Halogen, full LED, Bixenon [1]. 61 M. Rak, T. Tmejová, T. Bilík et al. This article focuses on the issue of portable traffic signs and their visibility using different light sources such as halogen, Xenon, or LED. Keywords: beam; figure; halogen; headlamps; luminance; measurement; signs; traffic; values; warning

• Design of the vertical trajectory for arrival and departure routes at Prague airport by Hrdlička, Šimon; Schmidt, Stanley; Pilmannová, Terézia (2025) - Graphical representation of aircraft vertical position relative to LKPR Schematic map of LVL point locations including aircraft vertical position restrictions [28]. Keywords: aircraft; altitude; approach; arrival; departure; descent; flight; level; lkpr; operations; points; prague; restrictions; routes; traffic
• Comparison of bicycle detection methods in Prague traffic by Mašinda, Pavel (2025) - Types of bicycle traffic detection This paper looks at the technologies most commonly used, whether intrusive or non-intrusive. These technolo- gies are not addressed in the research as they are practically not used for bicycle traffic detection be- cause they are too simple technologies that cannot classify between bicycles and other road users or are very inaccurate. Keywords: bicycle; cars; case; cyclists; detection; detectors; induction; path; traffic; use
• LEVEL CROSSING SAFETY IN THE CZECH REPUBLIC by Kobosil, Martin; Novák, Jan (2017) - Level crossings equipped with warning cross Main cause of problems on level crossings equipped only by warning cross are undoubtedly visibility splays, which are very often insufficient. This paper describes safety threats at level crossings according to the different type of security equipment. Keywords: crossings; level; lights; traffic; warning
• Design of a network of cycling routes in the Kutná Hora district by Vacka, Lukáš; Vrtal, Pavel; Kohout, Tomáš (2023) - However, due to the latest road traffic rules, which require the driver of a motor vehicle to leave a minimum lateral separation of 1.5m [3] when overtaking a cyclist, the routing of cycle routes no longer appears to be entirely safe even on these roads. Figure 1 shows unsuitable sections of cycle routes that are integrated with high volume car traffic. Keywords: cycle; cycle routes; cycling; hora; kutná; routes; sections; traffic

• Methodology for measuring the potential of a tourism destination in relation to sustainable local tourism product development by Plzáková, Lucie; Tittelbachová, Šárka (2024) - Keywords: Tourism, tourism destination, measuring of the potential, local tourism product. Tourism potential is a set of territorial conditions and prerequisites for tourism development, which cre- ates a complex multidisciplinary system. Keywords: destination; development; management; methodology; potential; process; product; regional; table; tourism; use

• CVs Around the Minimum Orbital Period by Zharikov, S.; Tovmassian, G. (2015) - The large size of the disk and domination of white dwarf radiation in the optical range and the sec- ondarys radiation in the JHK bands in SDSS0804 and SDSS1238 bounce back candidates (Zharikov et al 2013, Aviles et al 2010) lead to the conclusion that the ”stan- dard accretion disk model” (Frank et al. 2002) does not apply to bounce-back systems. We also explore conditions and structure of accretion disks in such systems. Keywords: disk; period; systems
• The Hidden Population of AM CVn Binaries in the Sloan Digital Sky Survey by Carter, P. J.; Marsh, T. R.; Steeghs, D.; Breedt, E.; Copperwheat, C. M.; Gansicke, B. T.; Groot, P. J.; Nelemans, G. (2015) - SBSS 1108+574 and the similar systems, CSS 1122- 179 P. J. Carter et al. 1110 5 The AM CVn Space Density Roelofs et al. Keywords: cvn; cvns; et al; sdss; systems
• A CASE FOR DOMAIN-INDEPENDENT DETERMINISTIC MULTIAGENT by Štolba, Michal (2015) - One of the most cited works on distributed and multiagent planning is [3], which describes basics of possible coordination schemes for planning agents. In the planning community, extensions of the PDDL language intended to support multiagent planning were introduced as Multiagent Planning Language (MAPL) in [9] and as Multiagent PDDL (MA-PDDL) in [10], but none of the extensions gained wide popu- larity, probably because of their complexity. Keywords: actions; agents; domain; heuristic; multiagent; planning; problem; strips; systems

• RESPONSE AND DAMAGE EVOLUTION OF SINGLE EDGE NOTCHED TIMBER BEAMS UNDER THREE-POINT BENDING by Šmídová, Eliška; Kabele, Petr; Šejnoha, Michal (2020) - General failure modes of timber beams are depicted in Fig- ure 2 - Figure 4 ([9]). 26/2020 Single edge notched timber beams under three-point bending Group l Keywords: beams; failure; figure; group; ligament
• Adaptive sequential sampling for reliability estimation of binary functions by Vořechovský, Miroslav (2022) - From the point of view of the way that the methods for the estimation of failure probability handle the outputs of the limit state function, two basic groups can be identified. There is also a class of methods which construct approxima- tions of the true distribution function of numerical values of g(xxx) based on the empirical histograms to es- timate the cumulative probability distribution at zero value, that is, direct estimation of failure probability. Keywords: density; estimation; failure; function; methods; nsim; nvar; probability; reliability; xxx

• Cable optimization of extradosed bridges by D’Amico, Kristian; Máca, Jiří (2025) - Carrying the permanent loads of the bridge with such shallow inclined cables leads to high cable forces and high compression in the girder. Optimized cable forces – 2D graph. Keywords: bridge; cable; deck; deflection; figure; force; rope

• CHARACTERIZATION OF THE FRACTURE MECHANICAL BEHAVIOR OF C-SMC MATERIALS by Tiefenthaler, Martin; Stelzer, Philipp S.; Chung, Chi N.; Reisecker, Volker; Major, Zoltan (2018) - Random dis- continuous C-SMC is a special type of SMC material, where a unidirectional carbon fiber prepreg is slit and chopped into chips, randomly distributed in a mold and finished in a single-stage compression and curing process. Conclusion Random discontinuous C-SMC is a special type of SMC material, where a unidirectional carbon fiber prepreg is slit and chopped into chips, randomly dis- tributed in a mold and finished in a curing step. Keywords: chips; figure; fracture; mode; smc; tensile
• The experimental evaluation of tensile forces in stays of a cable-stayed footbridge by Boháčová, Magdaléna (2023) - The experimental analysis 3.1 Measurement line 3.2 Measurement system 3.3 Evaluation of natural frequencies of the stays 4 The determination of tensile forces in stays 4.1 String model 4.2 Simply supported beam 4.3 The topic of this paper is an experimental analysis of the dynamic behaviour of stays of an existing footbridge focusing on determination of the tensile forces in stays. Keywords: footbridge; stays; tensile; tensile forces

• Reconstruction of concrete morphology using deep learning by Šperl, Ondřej; Sýkora, Jan (2024) - Original image – 400 × 400 px. (b). Final image reconstruction. Keywords: algorithm; concrete; dnn; figure; image; pixel; reconstruction; size
• MEASUREMENT OF NEUTRON SPATIAL DISTRIBUTION OF THE BNCT EPITHERMAL BEAM AT THE REACTOR LVR-15 by Rabochová, Michaela; Vinš, Miroslav; Šoltés, Jaroslav; Michalcová, Božena (2016) - The measurement using neutron image plates showed that the neutron beam is symmetrical with the highest intensity in the centre of the beam. An absolutely essential part of the treatment plan- ning is determination of parameters and proper set- ting of correct compensation of neutron beam. Keywords: beam; detector; device; image; measurement; neutron; plate
• MAPPING THE SURROUNDINGS AS A REQUIREMENT FOR AUTONOMOUS DRIVING by Steininger, M.; Stephan, C.; Böhm, C.; Sauer, F.; Zink, R. (2016) - The coordinate system of the returned 3D point cloud (as camera coordinate system in the following; indicated with a car subscript) does not match with the coordinate system of the car (as car coordinate system in the following; indicated with a camera subscript). Today, the recognition of the environment of the car is mostly done by a mix of sensors like LiDAR, RADAR and cameras. Keywords: camera; coordinate; depth; distance; image; kinect; mapping; pixel; sensor
• ASSESSMENT OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER USING DIGITAL IMAGE ANALYSIS by Trejbal, Jan; Prošek, Zdeněk; Valentová, Tereza (2018) - The rate of binder coated areas onto aggregate particles was as- sessed using three different approaches, concretely by: (i) conventional visual analysis executed according to standardized procedure, (ii) grey level thresholding semi-automatic analysis evaluating a ratio between shadows and brightness in digital image of the mixture, and (iii) entropy-based image segmentation evaluating roughness of image texture. Asphalt mixtures composed from grade bitumen 50/70, reference or modified with adhesion promoters based on amines, and aggregate (Brant, Zbraslav, Skuteč – 8-16mm) were made and then photographed. Keywords: adhesion; aggregate; areas; asphalt; binder; bitumen; image; mixtures
• ASSESSMENT OF ADHESION BETWEEN BITUMINOUS BINDER AND MINERAL AGGREGATE USING DIGITAL IMAGE ANALYSIS by Trejbal, Jan; Valentová, Tereza; Horová, Tereza (2019) - Asphalt mixtures often fail due to a low adhesion of bituminous binder to mineral aggregate, which leads to surface coarse damages like potholes and fatigue cracking. Both of them use a digital image of asphalt mixtures as an input. Keywords: adhesion; aggregate; asphalt; binder; image; mixtures
• Use of lightweight FFT-based algorithms for remote measurements using DIC by Zbirovský, Slávek; Nežerka, Václav (2023) - Conclusion The presented solution for continuous remote measure- ments of QR code displacements can provide a real- time assessment of structural health. 127 Slávek Zbirovský, Václav Nežerka Acta Polytechnica CTU Proceedings List of symbols DIC Digital image correlation F F T Fast Fourier transformation DSLR Digital single-lens reflex camera MQT T Message queuing telemetry transport QoS Quality of service Acknowledgements This work was supported by the Czech Technical University in Prague (grant number SGS22/029/OHK1/1T/11). Keywords: camera; code; correlation; dic; displacement; function; image

• Highly Magnetized Accreting Pulsars: Are There Accreting Magnetars? by Blay, Pere; Reig, Pablo; Reglero, Víctor (2014) - Pere Blay1, Pablo Reig2, Vı́ctor Reglero1 1IPL, University of Valencia, Spain 2University of Crete, Greece Corresponding author: pere.blay@uv.es Abstract 2S 0114+650, GX 301-2, IGR J16358-4726, X Per, 4U 2206+54, SXP 1062, and 3A 1954+319 are thought to possess high magnetic fields. We find, therefore, a discrepancy in magnetic field strength determination with respect to the methods shown in the previous sec- tion. Keywords: et al; field; magnetic; neutron; period; spin
• NUMERICAL MULTIGROUP TRANSIENT ANALYSIS OF SLAB NUCLEAR REACTOR WITH THERMAL FEEDBACK by Osuský, Filip; Vrban, Branislav; Ballo, Peter; Čerba, Štefan; Lüley, Jakub; Farkas, Gabriel (2016) - Initial state of neutron flux should be given for successful run. UCN sources at external beams of thermal neutrons. Keywords: 2hk; case; neutron; nuclear; state; transient
• REAL STRUCTURE AND RESIDUAL STRESSES IN ADVANCED WELDS DETERMINED BY X-RAY AND NEUTRON DIFFRACTION by Trojan, Karel; Hervoches, Charles; Kolařík, Kamil; Ganev, Nikolaj; Mikula, Pavol; Čapek, Jiří (2017) - Surface residual stresses measured by XRD. by XRD in direction L’ and neutron diffraction in direction T is shown in Figs. 8 and 9. Figure 4. RS for laser sample along three measured lines obtained by neutron diffraction. Keywords: diffraction; direction; laser; line; neutron; weld
• ANALYSIS OF NEUTRON FIELDS GENERATED IN SPALLATION TARGETS OF B-URAN EXPERIMENTAL ASSEMBLY USING MONTE CARLO METHOD by Šťastný, Ondřej; Zeman, Miroslav; Král, Dušan; Katovský, Karel; Melyan, Elmira; Adam, Jindřich; Solnyshkin, Alexander Alexandrovich (2019) - 24/2019 Analysis of neutron fields generated in spallation targets Figure 1. Spallation targets Several types of spallation target were considered – lead, graphite and bismuth. Keywords: assembly; experimental; figure; nat; neutron; spallation; target; uran
• ANALYSIS OF FAST NEUTRON TRANSPORT IN CHLORIDE SALTS USING MONTE CARLO METHOD by Šťastný, Ondřej; Katovský, Karel; Král, Dušan; Krása, Antonín; Števanka, Kamil (2020) - Keywords: Accelerator driven systems, fast neutrons, ADAR, chloride salts, MCNP, molten salt reactors, Monte Carlo simulations. One of the project objectives is to investigate chloride salts as potential coolant and a dissolved fuel carrier of advanced nuclear reactor cooled by molten salts and driven by an accelerator. Keywords: assembly; fig; neutron; nuclear; rates; reactions; salt; threshold

• Multi-Frequency Study of the SZ Effect in Cosmic Structures by Colafrancesco, Sergio (2014) - Planck detected SZE clusters are followed-up with a multi-frequency observation program in the X-rays, SZE, optical bands to obtain confirmation, redshift es- timation and estimates of the global physical param- eters. Figure 1: Thermal SZE spectrum of galaxy clusters with different plasma temperatures (as indicated) and the same value of the optical depth. Keywords: cluster; colafrancesco; distribution; electron; frequency; galaxy; observations; plasma; radio; spectrum; sze; thermal
• MICROSTRUCTURE AND MICROHARDNESS EVALUATION FOR NiCrAlY MATERIALS MANUFACTURED BY SPARK PLASMA SINTERING AND PLASMA SPRAYING by Hulka, Iosif; Mušálek, Radek; Lukáč, František; Klečka, Jakub; Chrástka, Tomáš (2020) - Conclusions The aim of the paper was to compare at microscopic level mechanical behaviour of NiCrAlY coatings and bulk material prepared by different plasma methods from the same commercially available feedstock pow- der. WSP- H coating shows structure typical for atmospheric plasma sprayed coatings consisting of splats, micro- cracks, un-bonded interfaces between splats and pores. Keywords: coating; icp; nicraly; plasma; sps
• Application of cold atmospheric plasma for mold inactivation by Tichá, Petra; Domonkos, Mária; Rácová, Zuzana; Demo, Pavel (2023) - The aim of this study was to present the new environmentally friendly method (cold atmospheric plasma treatment) for decontamination of indoor environments contaminated by mold spores, with the potential to become an effective replacement for conventional methods, such as ultraviolet-C (UV-C) germicidal irradiation. Cold plasma treatment inactivated spores on the surface of the culture medium in 0.5 min, whereas a weak growth delay was observed after 30 minute exposure to UV-C irradiation. Keywords: growth; inactivation; mold; plasma; spores; treatment

• Application of ontology/conceptual modelling in the context of risk identification at level crossings by Kohout, Tomáš; Nouzovský, Luboš; Vrtal, Pavel; Kocián, Karel (2023) - The ontology can be considered as a knowledge base that not only stores the data itself, but also defines the relationships between these data, and can therefore be described as a clearly suitable tool for describing risks at level crossings. Keywords: Level crossing, traffic safety, ontology, data utilisation. Keywords: crossings; level; level crossings; modelling; ontology; safety

• DETERMINATION OF HYGROEXPANSION COEFFICIENTS OF WOOD USING ANALYTICAL AND NUMERICAL HOMOGENIZATION by Kucíková, Lucie; Šejnoha, Michal; Vorel, Jan (2018) - The relation between indentation modulus, microfibril angle, and elastic properties of wood cell walls. The first step corresponds to the level of cell wall layers. Keywords: cell; earlywood; homogenization; hygroexpansion; latewood; layer; level; volume; wall; wood
• LANDSLIDE MONITORING IN A BUILT-UP AREA by Černoch, Petr; Koštál, Jiří; Podojil, Adam (2021) - Keywords: Monitoring, slope movements, slope stability, warning status. In localities susceptible to a loss of stability, it is necessary to monitor the speed of slope movements, changes in slope geometry and changes in the mechanical and physical properties in the landslide zone, or indeed the effectiveness of the stabilization measures used. Keywords: area; gabion; gabion wall; monitoring; slope; wall
• AUTOMATED BIM ENTITY RECONSTRUCTION FROM UNSTRUCTURED 3D POINTCLOUDS by Voříšek, Jan; Patzák, Bořek; Dvořáková, Edita; Rypl, Daniel (2021) - Plane points lie in two intervals [a, b] and [c, d] in the local X-axis direction. While point clouds can be directly rendered and inspected, they do not hold any semantics. Keywords: bim; cloud; figure; floor; plane; point; wall
• Acoustical aspects of replacing traditional materials in building elements with renewable and recycled ones by Nováček, Jiří; Nováček, Jiří; Hejl, Jaroslav (2022) - 243 Jiří Nováček, Jaroslav Hejl Acta Polytechnica CTU Proceedings Type of wall Rw Type of wall Rw [dB] C [dB] Ctr Keywords: insulation; sound; wall
• Moisture drying capacity of mineral wool insulated steel-faced sandwich panels by convection by Lomp, Siim; Kalbe, Kristo; Kalamees, Targo (2022) - • To increase the rate of drying in summer it would be necessary to develop a device between the air com- pressor and the wall which acts as an hydrophore meant for air and maintains the pressure and flow of dried air into the wall. Daily running average of measured water vapour pressures in convective drying wall section. in contact with the open surface. Keywords: air; airflow; drying; figure; moisture; vapour; wall
• Providing stability to a highway cut in a landslide area with the use of diaphragm wall panels by Fišer, Zdeněk; Kopecký, Miloslav; Ondrášik, Martin (2023) - In order to give stability to the cut, anchored di- aphragm wall panels oriented towards the slope were used. As the most optimising design of the structure, seg- ments of diaphragm wall panels of 2800 × 800 mm rotated by 90 degrees were chosen, and where the longer side is perpendicular to the route of the di- aphragm wall. Keywords: area; cut; diaphragm; figure; highway; wall

• PROPOSAL FOR SECURING A ROCK MASSIF NEAR BEROUN RAILWAY STATION by Barták, Jiří (2018) - Increased attention has to be devoted to areas No. 1 and 2 (see Figure 5), where the danger of loosening rock blocks is greatest. The inspection lay in removing rock debris and loose rock fragments or small rock blocks and liquidation of a part of the self-seeding vegetation. Keywords: figure; rock; slope; track
• IN-SERVICE REMEDIATION OF A RAILWAY EMBANKMENT TO PREVENT SETTLEMENT by Grepl, Jan (2019) - This was laid and connected to the membrane under track No. 1 and the membrane on the crown of the old embankment. In the first stage under track No. 1 there were 5,400 meters of columns installed in 19 days. Keywords: columns; embankment; service; stone; track

• How municipalities should approach the transformation of public spaces by Malá, Michaela; Sýkorová, Martina; Felicioni, Licia (2022) - “The Methodology for Planning Public Spaces in Small Cities” responds to this situation and, be- yond simply describing the process of preparing and commissioning the transformation of public spaces, offers unique tools to stimulate discussion among mu- nicipal representatives and experts (On-site public space assessment form), as well as with people among themselves (Public participation in planning the trans- formation of public space). Public spaces are the living rooms of cities, accessible to everyone without any restrictions. Keywords: assessment; cities; form; methodology; planning; public; quality; spaces; transformation

• ION SOURCE FOR A SINGLE PARTICLE ACCELERATOR by Matlocha, Tomas (2016) - Keywords: single particle accelerator, cyclotron ion source, low beam current, laser ion source, pulsed ion source, U-120M, proton radiography. This type of ion source is mainly used for heavy ions for which high charge states or full stripping by other techniques is complicated. Keywords: beam; current; cyclotron; electron; ion; ion source; ions; laser; photo; process; source
• COMPARISON OF LANGUAGE SUBSET AND LANGUAGE EXTENSION BY SAFE RELATED INFORMATION APPROACH TO SAFE SYSTEM DEVELOPMENT by Brandejský, Tomáš; Fábera, Vít (2017) - In the last chapters we discuss novel approaches based on application of programmable hardware which is described in VHDL language, which is also modification of ADA language. 1 http://dx.doi.org/10.14311/APP.2017.11.0001 http://ojs.cvut.cz/ojs/index.php/app Tomáš Brandejský, Vít Fábera Acta Polytechnica CTU Proceedings 3. ADA language Origin of ADA language falls into falls into 80’s of previous century. Keywords: ada; c++; language; list; misra; process; signal; vhdl
• ISENTROPIC EFFICIENCY OF CENTRIFUGAL COMPRESSOR WORKING WITH REAL GAS by Oldřich, Jiří (2018) - The method is based on numerical solution of basic definitional equation of isentropic process and equation of isentropic efficiency with direct implementation of real gas equation of state (EOS). After every step of the Newton’s method the k-th approximation of the compressibility factor z(k) 2a is found from real gas equation of state and then the k-th approximation of the pressure p(k) 2a is calculated from equation p (k) Keywords: calculation; gas; isentropic; process
• PRE-PROCESSING OF ADDITIVE MANUFACTURING INPUT FILES FOR NUMERICAL SIMULATION by Voříšek, Jan; Patzák, Bořek (2020) - The first process is the so called horizontal decom- position, where extrusion volume (represented as arbi- trarily oriented rectangle is decomposed to individual voxel column contributions (rasterization). The extruded volume can be calculated as Vin = wihiLi (1) where wi is extrusion width, hi is extrusion volume height and Li is extrusion volume length (see Figure 6). Keywords: extrusion; figure; manufacturing; printer; process; volume; voxel

• SYNTHESIZED ENRICHMENT FUNCTIONS FOR EXTENDED FINITE ELEMENT ANALYSES WITH FULLY RESOLVED MICROSTRUCTURE by Doškář, Martin; Novák, Jan; Zeman, Jan (2017) - The formalism of Wang tiles represents a compro- mise between the amount of induced correlation and complexity of a microstructure representation. A realization of the compressed microstructure is then synthesized follow- ing a simple stochastic algorithm: an empty grid of 29 http://dx.doi.org/10.14311/APP.2017.13.0029 http://ojs.cvut.cz/ojs/index.php/app M. Doškář, J. Novák, J. Zeman Acta Polytechnica CTU Proceedings a desired size is sequentially filled with instances of Wang tiles such that the adjacent tile edges are com- patible. Keywords: element; fields; finite; microstructure; numerical; tile
• ON COMPARISON OF 3D ISOGEOMETRIC TIMOSHENKO AND BERNOULLI BEAM FORMULATIONS by Dvořáková, Edita; Patzák, Bořek (2021) - Comparison of covergence of Timoshenko beam element and Bernoulli beam element. Local coordination system and degrees of freedom of Timoshenko beam element. Keywords: beam; bernoulli; element; formulation; locking; timoshenko
• BEAM ELEMENT UNDER FINITE ROTATIONS by La Malfa Ribolla, Emma; Jirásek, Milan; Horák, Martin (2021) - [1, 2], and Reissner completed the theory for both two-dimensional [3] and three-dimensional cases [4] with two additional deformation measures representing the shear distortion of beam segments. Numerical examples show a favorable comparison with standard beam elements formulated in the finite-strain framework and with analytical solutions. Keywords: beam; displacements; element; end; equations; finite; forces

• INFLUENCE OF CORUNDUM AS COARSE AGGREGATE IN HIGH-PERFORMANCE CONCRETE ON PROJECTILE IMPACT RESISTANCE by Mára, Michal; Říhová, Zdeňka; Kočová, Markéta (2019) - In previous experiments, UHPSFRC slabs 50mm thick without added coarse aggregate stopped this type of projectile, so it is assumed that the plates with coarse aggregate should also resist this type the projectile [9]. Both mixtures have different amount of fine sands and corundum aggregate. Keywords: aggregate; corundum; crater; impact; mixture; projectile
• Study for re-ASR behaviour of recycled concrete using ASR generated concrete and considering countermeasure technology by Iyoda, Takeshi; Matsuda, Nobuhiro (2022) - The materials used the same as preparing recycled aggregate concrete. The composi- tion of recycled aggregate concrete was W/C = 0.5, 273 Takeshi Iyoda, Nobuhiro Matsuda Acta Polytechnica CTU Proceedings Kinds of Concrete Coarse agg. Keywords: aggregate; asr; coarse; concrete

• RADIATION DEGRADATION OF PCBS IN SEDIMENTS: COMPARISON OF TWO METHODS by Darážová, Ľubica; Šagátová, Andrea; Nečas, Vladimír; Fülöp, Marko; Han, Bumsoo (2016) - Our samples were rich Figure 3. PCB concentration in soil sample as a function of dose irradiated by EB-Tech vs. UCEA Trenčín. of water and water molecules are competitive com- pounds in the process of PCBs irradiation. During the radiolysis, hydroxyl radicals react with PCBs through the addi- tion to the phenyl rings to produce various isomeric PCB radicals (ArCl(OH)) Keywords: chemical; dechlorination; electron; irradiation; pcbs; soil
• LANDSLIDE RECLAMATION IN ŠÁRKA VALLEY by Vaníček, Martin (2017) - Typical cross section through reclaimed slope is shown in Fig. 3. 66 vol. The western side of slope reclamation is framed by newly planned staircase. Keywords: facing; reclamation; slope; soil
• Collapse potential and ultrasonic pulse velocity of loess soils after treatment with expanded perlite and metakaolin by Khodabandeh, Mohammad Ali; Kopecskó, Katalin; Nagy, Gábor (2023) - The rates of soil collapse for both soils at various immersion stresses were determined. Perlite had a significant effect in lowering the risk of collapse, whereas increasing perlite from 0 to 8 % has decreased the potential of soil collapse from 7 % and 9.20 % to 1.4 % and 1.88 % for soil 1 and soil 2, respectively. Keywords: astm; collapse; kpa; loess; metakaolin; perlite; potential; pulse; soil; velocity

• AN EXPERIMENTAL STUDY OF THE COARSE DROPLETS FORMATION by Bartoš, Ondřej; Měšťanová, Lucie (2018) - Keywords: Steam turbine, coarse droplets, liquid films. A similar phenomenon is known in steam turbines but mostly with undesirable effects, coarse droplets have a negative effect on the reliability and efficiency of steam turbines. Keywords: coarse; diameter; droplets; measurement; steam; tunnel; turbines
• CALIBRATION OF BTT MEASUREMENT WITH RESPECT TO SENSOR POSITION OVER SHROUDED LSB by Dadáková, Tereza; Kubín, Zdeněk (2018) - The centrifugal force causes untwisting of blades, resulting in force between these contact elements and hence in reduction of blade vibration. New methods of non-contact sensing of blade vibrations and deflections in turbomachinery. Keywords: blade; btt; current; eddy; figure; measurement; sensor

• Development of conformity criteria for durability and its influence on service life predictions by Vereecken, Eline; Caspeele, Robby (2022) - Conformity control for the diffusion coefficient of concrete In this section, conformity control is considered for the diffusion coefficient and the filter effect on its dis- tribution is investigated. Conclusions In this work, conformity criteria have been derived for application of conformity control to the diffusion coefficient. Keywords: coefficient; concrete; conformity; control; diffusion; effect

• Tribo-technological features of laser powder bed fusion process: scratch and wear resistance of AlSi10Mg aluminium alloy by Guarino, Danilo; Venettacci, Simone; Villani, Vittorio; Ponticelli, Gennaro Salvatore; Guarino, Stefano (2024) - To confirm the previously reported indications about the anisotropic behavior of the LPBF-ed AlSi10Mg material, local scratch resistance tests were conducted, as operated in [9, 19]. Keywords: Laser powder bed fusion, tribology, scratch test. Keywords: alsi10; coefficient; figure; friction; laser; manufacturing; scratch; tests; wear
• PRACTICAL USE OF MODERN INVESTIGATION AND MONITORING METHODS IN POLISH LANDSLIDE REMEDIATION PROJECTS by Bednarczyk, Zbigniew (2019) - The first attempt using in-situ remote monitoring for landslide monitoring in Poland was made in 2010. Landslide monitoring and counteraction technologies in polish lignite opencast mines. Keywords: depth; figure; investigation; landslide; line; methods; monitoring; polish; pressure; tests

• A HEADRACE TUNNEL RECONSTRUCTION IN TURKEY by Hilar, Matouš; Srb, Martin; Nosek, Jakub (2019) - Tunnel lining strengthening in front of the collapse 1 area was realised prior to start of re-excavation. Pumping of the self-levelling concrete C35 into the cavern started after tunnel lining under the collapse 2 (including permanent rockbolting, second meshes covered by shotcrete, and also the left side propping). Keywords: area; cavern; collapse; concrete; tunnel

• ADAPTIVE QUASICONTINUUM SIMULATION OF ELASTIC-BRITTLE DISORDERED LATTICES by Mikeš, Karel; Jirásek, Milan (2017) - Force-displacement diagrams computed with exact particle approach A0 (black) and with QC approach with local anisotropic homogenization A3 (red). QC approach with interpolation and homogenization In this approach, 2D finite elements are used not only to interpolate DOFs but also to replace the stiffness that corresponds to the microstructure. Keywords: approach; interest; interpolation; links; simulation

• MECHANICAL PROPERTIES OF Cr-DLC LAYERS PREPARED BY HYBRID LASER TECHNOLOGY by Písařík, Petr; Jelínek, Miroslav; Remsa, Jan; Tolde, Zdeněk (2017) - Chromium content of Cr DLC layers was 0, 1, 2, 4-5 and 15 17 at.%. Characterization Chromium content of Cr DLC layers was determined by a wavelength dispersive X-ray spectroscopy (WDS - JEOL 840). Keywords: carbon; chromium; diamond; dlc; gpa; hardness; layers

• On the Influence of Magnetic Field on Accretion Processes in CVs by Bisikalo, D. V.; Zhilkin, A. G. (2015) - 1 Introduction Two main classes of CVs where magnetic field signif- icantly influences accretion processes are the interme- diate polars and polars Instead, the material, issuing from the L1 point, forms a col- limated stream, that flows onto one of the magnetic poles of the accretor along magnetic field lines[1, 2]. Keywords: accretion; accretor; field; polars; rate
• Multifrequency Behaviour of Polars by Reinsch, K. (2015) - Direct measure- ments of magnetic fields in polars require the systems to be in a suitable state that either cylcotron or Zee- man features can be detected. Its soft X-ray light curve obtained with XMM-Newton shows X-ray emission occuring in flares of typically 10 s time scale. Keywords: accretion; beuermann; dwarf; field; magnetic; polars; white
• Photometry and Multipolar Magnetic Field Modeling of Polars: BY Camelopardalis and FL Ceti by Mason, P. A.; Zhilkin, A. G.; Bisikalo, D. V.; Gomez, S.; Morales, J.; Robinson, E. L. (2015) - In an attempt to understand the observed complex changes in accretion flow geometry observed in BY Cam, we performed full 3D MHD simulations assuming a variety of white dwarf magnetic field structures. We describe progress towards understanding the structure of accretion flows in mCVs, obtained through the use of full 3D MHD simulations assuming a variety of magnetic field structures. Keywords: accretion; cam; field
• Activity of the Polar AM Her (RX J1816.2+4952): A Short Review by Šimon, V.; Henden, A. (2015) - Also the changes of the accretion region(s) and/or accretion modes are necessary to explain the re- lation between the optical and X-ray emission in the high states. Also cyclotron emission un- dergoes peculiar changes with the accretion mode. Keywords: accretion; emission; high; state
• New Insights from Inside-Out Doppler Tomography by Kotze, E. J.; Potter, S. B. (2015) - Yes, there can be a loss of res- olution at low velocities. Doppler tomography, as introduced by Marsh & Horne (1988), is aimed at rendering the information locked-up in phased-resolved spectra of a CV into a two- dimensional map of the binary components in velocity space (Doppler tomogram). Keywords: accretion; disc; doppler; inside; velocity

• ULTRA-LOW INTENSITY PROTON BEAMS FOR RADIATION RESPONSE RELATED EXPERIMENTS AT THE U-120M CYCLOTRON by Matlocha, Tomas; Krizek, Filip (2018) - Ion source discharge current regulation In routine operation, the arc current is kept near 1A which ensures stable operation. Negative hydrogen yield efficiency versus ion source discharge current. Keywords: beam; current; cyclotron; discharge; flux; intensity; ion source; proton; s−1; u-120

• First Hints of Pressure Waves in a Helical Extragalactic Jet: S5 0836+710 by Perucho, Manel (2014) - The evidence points towards the peak of emission in helical jets corresponding to pressure- maxima of a wave that is generated within the core region and propagates downstream. 4 Conclusions It is possible to associate the ridge-line of emission of helical jets to wave patterns tracing a (thermal or mag- netic) pressure maximum produced by the growth of instabilities. Keywords: flow; jet; line; perucho; radio; ridge

• Modification of properties of fresh mixture for 3D printing using cement-based mortar by Kellnerová, Vendula; David, Tomáš; Reiterman, Pavel (2025) - This paper is focused on the study of properties of fresh mixture in order to control its consistency and regime of setting time to achieve continual process of 3D printing. Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague MODIFICATION OF PROPERTIES OF FRESH MIXTURE FOR 3D PRINTING USING CEMENT-BASED MORTAR Vendula Kellnerová∗, Tomáš David, Pavel Reiterman Czech technical university in Prague, Faculty of Civil Engineering, Thákurova 7, 166 29 Prague 6, Czech Republic ∗ corresponding author: vendula.kellnerova@cvut.cz Abstract. Keywords: admixture; concrete; flow; mixture; printing
• REGARDING CERTAIN AERODYNAMIC SOURCES OF NON-STATIONARY FORCE LOADS ON TURBINE PROFILES by Radnic, Tomáš; Luxa, Martin; Šimurda, David (2018) - Started supersonic flow field. Scheme of torque load of the tip of the blade with non started supersonic flow field. Keywords: blade; figure; flow; inlet; separation

• Reintegration of Karachi port through sustainable adaptive reuse of abandoned and underused industrial buildings by Iqbal, Naveed; Akbar, Syed Hamid; Van Cleempoel, Koenraad (2022) - After the initial literature review, it was clear that some of Karachi port buildings have heritage value but are not given attention as compared to other cultural heritage in Pakistan. Karachi port remains the hub of Pakistan’s main logistic transportation, but some of its heritage buildings have been neglected on this site. Keywords: buildings; city; figure; heritage; karachi; karachi port; pakistan; port; reuse

• A review of the FIVA project: Novel windows employing vacuum glazing products by Pont, Ulrich J.; Schober, Peter; Wölzl, Magdalena; Schuss, Matthias; Haberl, Jakob (2022) - The authors, together with major players from the window producing industry, started a R&D effort that targeted disruptive new concepts for vacuum glass windows. Window prototypes I, A, K and S In an early stage of the development the decision was made to not only generate highly-insulating windows with low thermal transmittance, but also to motorize the window operation at least in part. Keywords: figure; glass; opening; products; project; prototypes; turn; vacuum; window

• Parametric analysis for interphase shear stress in MoS2/PET nanocomposite under thermo-mechanical loading by Vladova, Rayka; Petrova, Tatyana; Kirilova, Elisaveta; Boyadjiev, Boyan; Apostolov, Apostol; Becker, Wilfried; Moravski, Alexsander (2024) - As a criterion for influence of these 6 parameters on ISS, the model non-linear condition for delamination in the struc- ture is used, i.e., it requires that model ISS is greater than USS in the middle interphase layer. PA for Case 1 Before presenting the results from PA for ISS Case 1, it should be noted, that during the calculations we found that solution for ISS Case 1 in the considered nanostructure exists at very thin intervals for param- eters ha and h2. Keywords: case; figure; influence; iss; mechanical; mos2; nanocomposite; pet

• RESISTANCE OF MORTARS WITH GYPSUM, LIME AND COMPOSITE BINDERS AGAINST MOLDS by Krejsová, Jitka; Doleželová, Magdaléna (2019) - Mortars resistance against molds was evaluated using the five point scale, where: 0 - no molds, 1 - mold growth is visible under microscope, 2 - molds cover less than 25 % of sample surface, 3 - molds cover 25 - 50 % of sample surface, 4 - molds cover more than 50 % of sample surface, 5 - molds completely cover sample surface. Rate of mold growth was monitored for 4 - 12 weeks every week as a cover of sample and halo effect around the sample. Keywords: binder; composite; gypsum; lime; molds; mortar; resistance
• Concrete admixtures - sustainable concrete by Schwoon, Oliver (2022) - In an extensive research program, the influence of mix design components e.g. different admixture types, water/binder-ratio on hardened concrete properties like chloride resistance (chloride migration coefficient), sulfate resistance and water conductivity have been tested and analyzed. Investigation and experimental set-up In an extensive research program, the influence of mix design components e.g. different admixture types, water/binder-ratio on hardened concrete prop- erties like chloride resistance (chloride migration co- efficient), sulfate resistance and water conductivity have been tested and analyzed. 2.1. Keywords: chloride; concrete; mix; resistance

• Effect of geometry on homogenised properties of selected auxetic metamaterials by Jošková, Nataša; Doškář, Martin (2024) - Rotation matrices: Global stiffness matrix Keywords: matrix; metamaterial; poisson; puc
• PARALLEL APPROACH TO SOLVE OF THE DIRECT SOLUTION OF LARGE SPARSE SYSTEMS OF LINEAR EQUATIONS by Bošanský, Michal; Patzák, Bořek (2017) - To minimize the communication, it is natural that each processing node will assemble and maintain in its local memory the block of global stiffness matrix rows corresponding to unknowns on its partition. Initialization of data structures for distributed matrix This phase should determine the required size of ar- rays used to store all nonzero entries of the global matrix. Keywords: contributions; matrix; memory; nodes; parallel; row

• Data Analysis of Globular Cluster Harris Catalogue in View of the King Models and Their Dynamical Evolution. II. Observational Evidences by Merafina, Marco; Vitantoni, Daniele (2014) - For this kind of GCs population, the presence of a low massive main body allowed to preserve 237 Marco Merafina, Daniele Vitantoni more informations about primeval distribution features. 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 Figure 2: W0 distribution of pre-core-collapse MW GCs. Keywords: clusters; gcs; harris; population; value
• THE DETAILED PRIORITY OF INTERNATIONAL FREIGHT EXPRESSES IN THE OVERLAPPING SECTION OF RFC 7 AND RFC 9 KOLÍN – CHOCEŇ by Šrámek, Přemysl; Molková, Tatiana (2017) - There were solved conflicts of station tracks, freight trains were allowed to ride before their schedule time (in the case of free capacity) Conclusions It was checked in detail the relation between the im- portance of Fex trains and timetable stability. Keywords: fex; freight; importance; rfc; train; value

• THE BÍLINA TUNNEL – SELECTED GEOTECHNICAL ASPECTS OF A PROPOSED UNDERGROUND STRUCTURE by Sotorník, Viktor; Černoch, Petr; Košťál, Jiří (2022) - Transverse geologic cross-section including individual tunnel alignment alternatives (vertical exaggeration x2). Keywords: Aquifer test, CISS, geotechnical investigation, pressure meter test, tunnel. Keywords: boreholes; bílina; city; investigation; portal; tunnel
• General quality of urban greenery as a city indicator in Brazil in comparison with central Europe by Larrubia de Almeida Júnior, Jobson; Pondělíček, Michael (2024) - The IOKZM calculated for Brazilian cities is interesting precisely because of their location in the southern hemisphere, as all the evidence of climate change subtly suggests that the climate in the southern hemisphere changes in a different way. Likewise, the Pondělíček method for calculating the indicator of the general quality of urban greenery (IOKZM) the method will be applied in Brazilian cities. Keywords: brazilian; change; cities; city; climate; european; greenery; indicator; iokzm; log; table; urban

• THE EFFECT OF SUPPORT PLATE ON DRILLING-INDUCED DELAMINATION by Karimi, Navid Zarif; Heidary, Hossein; Kianfar, Parnian; Hasani, Mahmud; Minak, Giangiacomo (2016) - Workpiece damping and its effect on delamination damage in drilling thin composite laminates. From Figure 5, a significant difference in adjusted delamination factor for supported drilling and unsupported drilling can be observed so that in all drilling tests, the average value of delamination is reduced when applying a back-up plate. Keywords: delamination; drilling; force; plate; thrust
• VALIDATION OF CUTTING FORCE CHARACTERISTIC FOR COMPLEX TOOLPATH by Sykora, Henrik Tamás; Kovács, Attila; Bachrathy, Dániel (2016) - Keywords: milling experiment, cutting force prediction, CWE simulation, force model fitting. It is found, that cutting force models with multiple parameters can lead to smaller error, how- ever, the linear and three-quarter rule have smaller 79 H. T. Sykora, A. Kovács, D. Bachrathy Acta Polytechnica CTU Proceedings Cases Linear Shifted 3/4 Cubic k kshift hshift k34 Q0 Q1 Q2 1 696.6125 307.4470 0.5448 976.3130 31.6258 2011.2 -1854.6 2 840.1928 503.9487 0.3957 1008.88 56.4329 Keywords: cutting; cwe; dexel; figure; force; milling; models
• Innovative strengthening of RC columns using a layer of a fibre reinforced concrete by Koteš, Peter; Vavruš, Martin; Raczkiewicz, Wioletta (2022) - Keywords: Columns, experimental measurements, fibre reinforced concrete, numerical modelling, reinforced concrete, strengthening. Calculation of individual stresses of the diagram from the tensile strength of fibre reinforced concrete was done as follows, [? ]: σ2 = 0.45 · fR1, b · kh (5) σ3 = 0.37 · fR3, b · kh (6) σ1 = 0.7 · fctm · (1.6 − d) (7) Keywords: calculation; columns; concrete; engineering; fibre; force; strengthening
• The measurement of the influence of the adhesion loss on the dynamic load of the drive reaction rod on the roller rig by Dybala, Vojtěch (2023) - [9], which provides also results of practical measurements on reaction rods of rail vehicles. The function of the reaction rod is to connect the traction gearbox or the drive to the bogie frame and realize a support for reaction force (S), which comes from traction forces in the wheel-rail contact (T ) and forces from vertical dynamics, given by track irregu- larities. Keywords: adhesion; figure; force; reaction; rod; roller

• Detection of Diatomic Molecules in the Dust Forming Nova V2676 Oph by Nagashima, M.; Arai, A.; Kajikawa, T.; Kawakita, H.; Kitao, E.; Arasaki, T.; Taguchi, G.; Ikeda, Y. (2015) - In these observations, the C2 and CN absorption bands had already disappeared and strong Balmer emission lines and Fe II lines were again prominent. DQ Her was the first nova in which molecular absorption bands of CN in optical wavelength had been identified. Keywords: absorption; emission; formation; lines; nova
• Early Super Soft Source Spectra in RS Oph by Ness, J.-U. (2015) - The line profiles contained clear signs of emission lines in the red wings (figure 5 of Ness et al. 2007) which could either come from residual shock emission or are part of P Cyg profiles. A similar result has been found by (Schönrich & Ness 2008) who show in their figure 1 the evolution of the volume emission measure for various emission lines as a function of their peak formation temperature assuming collisional equi- librium. Keywords: day; emission; lines; sss
• Life After Eruption: Best of 2009–2013 by Tappert, C.; Ederoclite, A.; Schmidtobreick, L.; Vogt, N. (2015) - In our three spectra, taken with a time separa- tion of ∼3 h between the first and the second, and ∼24 h between the second and the third, the line is strongest in the first (which is the one in Fig. 2), not detected in 231 C. Tappert et al. the second, and weakly present in the third spectrum (Fig. 1). Unfortunately the available spec- tra of V972 Oph by Zwitter & Munari (1996) and Ring- wald et al. (1996) that cover that range have too low S/N to confirm the presence of such lines in V972 Oph. Keywords: cir; emission; lines; nova; post

• When a Nova Becomes Old by Ederoclite, A.; Tappert, C.; Schmidtobreick, L.; Vogt, N. (2015) - Moreover, as men- tioned by Tappert et al. (2013b), 7 out of 10 novae in the gap may be magnetic. The classification is ei- ther from Ritter & Kolb (2003) or from Tappert et al. (2012,2013a). Keywords: magnetic; novae; period; project
• Densification of single and two-family houses considering green space and mobility by Schöpflin, Florian; Erber, Sabine; Madlener, David; Prinz, Thomas (2022) - The quality and the impact of densification projects have already been proven in the predecessor research project “BONSEI!”. Other research considers the dy- namics that are associated to densification processes like Shukla et al. Keywords: bonsei; cities; consultation; densification; living; mobility; project; quality; space; urban

• RAILWAY INFRASTRUCTURE CAPACITY MANAGEMENT FOR AD-HOC TRAINS ON THE SŽDC NETWORK by Nachtigall, Petr; Škárek, Martin (2016) - Each carrier has its own interface called information system KADR with SŽDC for capacity requests management. • Carriers – the list of carriers is in register of the infrastructure manager (SŽDC). Keywords: carrier; information; kadr; train

• MICROSLEEPS AND THEIR DETECTION FROM THE BIOLOGICAL SIGNALS by Holub, Martin; Šrutová, Martina; Lhotská, Lenka (2017) - EEG signal, especially its slow wave activity, considered to be the most predictive and reliable for the level of alertness. In spite of the detection from EEG signal is the most common method, EOG based approaches can also be very efficient and more driver-friendly. Keywords: changes; detection; drowsiness; eeg; eog; fatigue; signals; sleep
• SUBJECTIVE METHODS FOR ASSESSMENT OF DRIVER DROWSINESS by Mashko, Alina (2017) - Another method used in experimental investigation of driver fatigue is observer rated sleepiness (ORS). The method can be used for validation of other measures or as a separate measure of driver fatigue [23]. Keywords: behavior; driver; driving; drowsiness; drowsy; eye; fatigue; sleepiness; state

• FUNCTIONALIZATION OF 3D FIBROUS SCAFFOLDS PREPARED USING CENTRIFUGAL SPINNING WITH LIPOSOMES AS A SIMPLE DRUG DELIVERY SYSTEM by Rampichová, Michala; Buzgo, Matej; Lukášová, Věra; Míčková, Andrea; Vocetková, Karolína; Sovková, Věra; Rustichelli, Franco; Amler, Evžen (2017) - Small release was visible on PCL/PL1 and PCL/PL2 samples 24 hours after liposome adhesion. 3D materials supporting cell adhesion, infiltration and proliferation are crucial for bone tissue engineering. Keywords: cell; fibers; liposomes; pcl; proliferation; release

• THE INFLUENCE OF TITANIUM-NIOBIUM ALLOYS ON THE GROWTH OF THE OXIDE LAYER by Krčil, Jan; Mára, Vladimír; Sobotová, Jana; Krum, Stanislav (2017) - Keywords: oxide layer, TiNb, coating, biomaterials. It was expected that this process would result in formation of oxide layers with good adhesion to the substrate material. Keywords: layer; oxidation; oxide; ti39nb

• Comparison of FETI-based domain decomposition methods for topology optimization problems by Medřický, Tomáš; Doškář, Martin; Pultarová, Ivana; Zeman, Jan (2022) - 34/2022 FETI methods for topology optimization problems (a) (b) (c) Figure 1. 34/2022 FETI methods for topology optimization problems approaches (k-scaling and multiplicity scaling), full orthogonalization, and simultaneous search directions with rank-revealing decomposition. Keywords: decomposition; domain; feti; methods; optimization; problems; scaling; topology

• The Ritter-Kolb Catalogue and its Impact on Research into CVs, LMXBs and related Objects by Ritter, H.; Kolb, U. (2015) - What this means is that now the contents of RKcat allows for statisti- cally meaningful studies of the properties of var- ious subsets of CVs, LMXBs or related objects, which because of too small numbers of objects had not been possible a decade or two ago. Around 1987, when the 4th edition of Rcat (Rit- ter 1987) was published it was also realized, not least thanks to X-ray observations with EXOSAT, that the distribution of the orbital periods of the synchronized and non-synchronized magnetic CVs, i.e. of the AM Her stars and the intermediate polars, are significantly dif- 22 The Ritter-Kolb Catalogue and its Impact on Research into CVs, LMXBs and related Objects ferent and that this could be accounted for in terms of standard CV evolution by the fact that on average the mass transfer rate in CVs decreases with orbital period (Hameury et al. 1987). Keywords: binaries; cvs; kolb; objects; period; ritter; rkcat
• The Space Density of Magnetic and Non-magnetic Cataclysmic Variables, and Implications for CV Evolution by Pretorius, M. L. (2015) - 1 shows some reported mea- surements (differing by several orders of magnitude for non-magnetic CVs). Furthermore, mCVs are luminous X-ray sources, while the correlation between the ratio of optical to X-ray flux and the optical lumi- nosity of non-magnetic CVs, implies that an X-ray flux limit does not introduce as strong a bias against short- period CVs as an optical flux limit (e.g. van Teeseling et al. 1996). Keywords: cvs; ips; magnetic; period; polars; space
• Study of Photometric Variability of Selected SU UMa Dwarf Novae by Voloshina, I.; Metlov, V. (2015) - Observations provided by Dr. Maehara on October 8 (vsnet-outburst 14685) demonstrate superhumps with Figure 3: Stage B superhumps in the light curves of dwarf nova J2051. an amplitude of 0m.2 and with a short period of 0d.056 in the light curves of this object. The numer- ous observations obtained for J1915 (about 6000 images at all) permitted us to follow up superhumps evolution in detail beginning from the first night of our observa- tions, June 4. Keywords: dwarf; light; observations; period; superhumps
• Superoutburst of a New Sub-Period-Minimum Dwarf Nova CSS130418 in Hercules by Chochol, D.; Shugarov, S.; Katysheva, N.; Volkov, I.; Zharova, A.; Pavlenko, E.; Pit, N.; Zvagelsky, R.; Antoniuk, O.; Baklanov, A.; Borisov, N.; Gabdeev, M. (2015) - We found the mean period of ordinary superhumps Psh = 65.559(1) minutes. 4. 2.4 Ordinary superhumps Ordinary superhumps are periodic modulation seen during superoutburst after disappearance of early su- perhumps. Keywords: period; superhumps; superoutburst

• Effect of decision parameter efficiency on target reliability by Way, Andrew; de Koker, Nico; Viljoen, Celeste (2022) - The various ULS failure mechanisms in Table 1 are chosen to illus- trate the effect of decision parameter efficiency on target reliability, in comparison to that obtained from the generic cost optimization. 36/2022 Effect of decision parameter efficiency on target reliability 0 1 2 3 4 5 6 7 CF/C0 10 6 10 5 10 4 10 3 p f ,1 VR, VS = 0.3, 0.3 Generic RC Bending Tie Rod Column Buckle 0 1 2 3 4 5 6 7 CF/C0 3.00 3.25 3.50 3.75 4.00 4.25 4.50 4.75 5.00 t, 1 VR, VS = 0.3, 0.3 Moderate CoS Generic RC Bending Tie Rod Column Buckle Figure 1. Keywords: cost; decision; generic; limit; parameter; reliability; target

• STUDY OF IDENTIFICATION OF TWO-PHASE FLOW PARAMETERS BY PRESSURE FLUCTUATION ANALYSIS by Burian, Ondrej; Dostal, Vaclav; Vesely, Ladislav (2016) - Keywords: two-phase flow, pressure fluctuation measurement, void fraction. This paper deals with an identification of a parameters of simple a pool boiling in a vertical rectangular channel by analysis of pressure fluctuation. Keywords: phase; pressure

• Dowels effectiveness investigation between ultra high performance fiber reinforced concrete and reinforced concrete by Paschalis, Spyridon A.; Lampropoulos, Andreas P. (2022) - RC beams with a length of 2.2 m strengthened with UHPFRC layers at the tensile side. [7] developed a numerical model that predicts the performance of RC beams which were strengthened with UHPFRC. Keywords: beams; dowels; figure; uhpfrc

• The long-pitch corrugation development in small radii curves by Valehrach, Jan; Říha, Tomáš; Vendel, Jiří; Plášek, Otto (2022) - Introduction Various technologies to remove rail defects such as the long-pitch corrugation are present. Wave defects development prediction based on the previous measurements done by the Track recording car. Keywords: corrugation; defect; development; pitch; progression
• Development and causes of migration in lagging regions in the years 2017–2021: a case study of the Slovak Republic by Levický, Michal; Papcunová, Viera; Urbaníková, Marta; Kozloková, Annamária (2024) - Internal migration takes place at the level of the state, regions, districts and municipalities. Internal migration can generally be seen as the movement of people from one geographical area to another for the purpose of perma- nent or temporary residence. Keywords: better; conditions; country; development; factors; gemer; immigrants; migration; number; people; population; pull; push; region; respondents; rural; slovakia

• PERFORMANCE OF STEEL FIBER REINFORCED CONCRETE – COMPARABILITY OF TESTS ACCORDING TO DAFSTB-GUIDELINE "STAHLFASERBETON" AND EN 14651 by Anders, Steffen; Schovenberg, Melanie (2016) - The correction of the curve increases with an increas- ing deflection during the test as well as with an in- Figure 2. Evaluation of post-peak flexural strengths at different points. Keywords: steel-fiber reinforced concrete, performance classes, post-peak flexural strength. Keywords: crack; deflection; mid; point

• DIAGNOSTICS OF UNFIRED EARTH WITH METHYLENE BLUE TEST by Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel (2020) - On the basis of experimental measurement it can be stated that methylene blue test is influenced by the stirring time of earth samples with methylene blue solution and dependence between amount of methylene blue dye absorption and amount of montmorillonite clay in earth samples is linear. Methylene blue dye and earth sample are dried in a dryer at 95 ◦C for reached of equilibrium moisture. Keywords: blue; clay; earth; solution
• INFLUENCE OF EARTH COMPOSITION ON ADSORPTION CAPACITY OF METHYLENE BLUE DYE by Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel (2021) - The highest adsorption capacity is found for montmorillonite clay (GEM), lower for kaolinite clay (B4), even lower for illite-kaolinite clay (KR) and the lowest for illite clay (AGL). Montmorillonite and kaolinite clay can be determined by methylene blue test in earth in amounts from 75 % (Fig. Keywords: blue; clay; earth; methylene

• What Powers the 2006 Outburst of the Symbiotic Star BF Cygni? by Skopal, A.; Sekeráš, M.; Tomov, N. A.; Tomova, M. T.; Tarasova, T. N.; Wolf, M. (2015) - The model SED shows that the spectrum is dominated by the radiation of the warm WD pseudophotosphere (denoted as the warm stellar component (WSC) by Skopal et al., 2011) and the neb- ular continuum. Recently, Skopal et al. (2013) reported an evidence of highly-collimated bipo- lar ejection from BF Cyg. 277 http://dx.doi.org/10.14311/APP.2015.02.0277 A. Skopal et al. 9 10 11 12 13 47000 48000 49000 50000 51000 52000 53000 54000 55000 56000 1990 1995 2000 2005 2010 M ag ni tu de Julian date - 2 400 000 BF Cyg Q U I E S C E N T P H A S E A C T Keywords: et al; phase; skopal
• PHASE ANALYSIS OF NITI WIRE BASED ON SYNCHROTRON 2D X-RAY DIFFRACTION PATTERN IN MATLAB by Dudr, Martin; Šimek, Daniel; Drahokoupil, Jan (2017) - Position of the peak in 1D pattern (i.e. the radius of the correspond- ing circle) is important for qualitative phase analysis (i.e. what?), the integrated intensity of the peak determines the amount of phase in a mixture (how much?), hence it is used by quantitative phase analy- sis. Quantitative phase analysis at different points on the wire was expected to be carried out. Keywords: austenite; figure; lines; martensite; phase; texture

• The role of conceptualization in the evaluation of sustainable concrete by Henry, Michael; Opon, Joel (2022) - 33/2022 Evaluation of Sustainable Concrete �D��'LUHFW�ORDGLQJ��OLQHDU�DJJUHJDWLRQ �E��'LUHFW�ORDGLQJ��JHRPHWULF�DJJUHJDWLRQ �F��7KUHH�SLOODUV��OLQHDU�DJJUHJDWLRQ �G��7KUHH�SLOODUV��JHRPHWULF�DJJUHJDWLRQ �H��6'*V��OLQHDU�DJJUHJDWLRQ �I��6'*V��JHRPHWULF�DJJUHJDWLRQ� ���� ���� ���� ���� ���� ���� � �� �� �� �� �� �� �� 23&�1*23&�5* )$�1* )$�5* %)6�1* %)6�5* 6X VW DL QD EL OLW \� VF RU H ���� ���� ���� ���� ���� ���� � �� �� �� �� �� �� �� 23&�1*23&�5* )$�1* )$�5* %)6�1* %)6�5* 6X VW DL QD EL OLW \� VF RU H ���� ���� ���� ���� ���� ���� � �� �� �� �� �� �� �� 23&�1*23&�5* )$�1* )$�5* %)6�1* %)6�5* 6X VW DL QD EL OLW \� VF RU H ���� ���� ���� ���� ���� ���� � �� �� �� �� �� �� �� 23&�1*23&�5* )$�1* )$�5* %)6�1* %)6�5* 6X VW DL QD EL OLW \� VF RU H ���� ���� ���� ���� ���� ���� � �� �� �� �� �� �� �� 23&�1*23&�5* )$�1* )$�5* %)6�1* %)6�5* 6X VW DL QD EL OLW \� VF RU H ���� ���� ���� ���� ���� ���� � �� �� �� �� �� �� �� 23&�1*23&�5* )$�1* )$�5* %)6�1* %)6�5* 6X VW DL QD EL OLW \� VF RU H Figure 3. 219 https://doi.org/10.14311/APP.2022.33.0219 https://creativecommons.org/licenses/by/4.0/ https://www.cvut.cz/en Michael Henry, Joel Opon Acta Polytechnica CTU Proceedings � )LJXUH����6HWXS�IRU�VXVWDLQDELOLW\�HYDOXDWLRQ�E\�0&$�Figure 1. Keywords: h �; sustainability; � 'luhfw; � 6'*v; � 7kuhh; � djjuhjdwlrq; � ordglqj; � vf; � �

• WANG TILE SIZE IN TERMS OF CIRCULAR PARTICLE DYNAMICS by Šedlbauer, David (2017) - Wang tile size in terms of circular particle dynamics Figure 4. Wang tile size in terms of circular particle dynamics Figure 7. Keywords: number; particles; set; size; tile; tiling; wang

• An exploratory gallery for Luka tunnel on the D3 motorway by Barták, Jiří (2023) - Keywords: D3 motorway, exploratory gallery, horizontal boreholes, Luka tunnel, undermined area. The risk of striking unknown mine spaces during tunnel excavation must be eliminated by excavation of the exploratory gallery and systematic safety drilling ahead of the excavation face. Keywords: excavation; gallery; luka; motorway; tunnel

• GLORIA and Study of Cataclysmic Variables by Hudec, R.; Šimon, V. (2015) - GLORIA project will define free standards, proto- cols and methodology for the following purposes: con- trolling Robotic Telescopes and all related instrumenta- tion (i.e. cameras, filter-wheels, domes...); giving Web access to the Network: access to an arbitrary number of robotic telescopes via a web portal; conducting On- line experiments (it will be possible to design specific web environments for controlling telescopes for research on a specific scientific issue; conducting Off-line experi- ments (it will be possible to design specific web environ- ments for analyzing astronomical meta-data produced by GLORIA or other databases). 3.3 Prospects of CV investigation by GLORIA Below we give some examples of CV types suitable for investigation within GLORIA project. Keywords: activity; gloria; network; observations; research; telescopes
• FRAMEWORK FOR AD HOC NETWORK COMMUNICATION IN MULTI-ROBOT SYSTEMS by Slyusar, Khilda; Kulich, Miroslav (2016) - Simulations use robot teams of various sizes and display measurement results that are close to the conditions of the real world. Multi-robot exploration has been selected as a proof- of-concept task. Keywords: aodv; application; communication; exploration; goal; messages; network; number; protocol; robot; route; routing; team; terrain
• ARTIFICIAL NEURAL NETWORK FOR MODELS OF HUMAN OPERATOR by Ruzek, Martin (2017) - On the other hand, the classical paradigms of artificial neural networks are not suitable because they simplify too much the real processes in biological neural network. The search for a compromise between the complexity of biological neural network and the practical feasibility of the artificial network led to a new learning algorithm. Keywords: learning; network; neuron; output; weights

• Clustering Measurements of broad-line AGNs: Review and Future by Krumpe, Mirko; Miyaji, Takamitsu; Coil, Alison L. (2014) - Since they will precisely determine how DMHs are populated by AGN host galaxies, these measure- ments will also improve our theoretical understanding of galaxy and AGN evolution by enabling comparisons to galaxy measurements and cosmological simulations. For the first time, AGN clustering measurements will reach a level of precision that will not only allow for an alternative approach to answering open questions in AGN and galaxy co-evolution but will open a new frontier, allowing us to precisely determine cosmological parameters. Keywords: agn; agns; apj; clustering; distribution; et al; galaxies; galaxy; measurements

• Bar-supported and unsupported dental implants: a QCT-FEA study in human maxilla by Řehounek, Luboš; Jíra, Aleš (2023) - [12] K. M. Lehmann, P. W. Kämmerer, J. Karbach, et al. Long-term effect of overdenture bar design on peri-implant tissues. Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague BAR-SUPPORTED AND UNSUPPORTED DENTAL IMPLANTS: A QCT-FEA STUDY IN HUMAN MAXILLA Luboš Řehounek∗, Aleš Jíra Czech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech Republic ∗ corresponding author: lubos.rehounek@fsv.cvut.cz Abstract. Keywords: bar; bone; fea; figure; implant; patient; qct; variants

• Broad-Band Variability in Accreting Compact Objects by Scaringi, S. (2015) - As a result, X-ray binaries emit most of their radiation at X-ray wavelengths, as opposed to cataclysmic variables which emit mostly at optical/ultraviolet wavelengths. A natural explanation for hard lags in XRBs comes from the fluctuating accre- tion disk model (see Arevalo & Uttley 2006 and ref- erences therin), where the coupling of fluctuations in the mass-transfer rate at different accretion disk radii is responsible for the observed variability. Keywords: cvs; disk; variability; xrbs
• Concluding Remarks by Bisikalo, D. V. (2015) - Franco Giovannelli & Lola Sabau-Graziati and their team are the main engine of the conference and I hope that they will continue this hard job, the organization of CVs conferences. I would like to stress the very good organization of the conference program, which, in particular, appeared as a balanced number of reviews and contributed talks. Keywords: conference; cvs; talks

• REINFORCED ENCODING FOR PLANNING AS SAT by Balyo, Tomáš; Barták, Roman; Trunda, Otakar (2015) - The constructed formula Fk will have the following three kinds of Boolean variables. • Action variables ati indicating whether the i-th ac- tion is used in the t-th step. Solving planning problems via translation to satisfiability (SAT) is one of the most successful approaches to automated planning. Keywords: actions; clauses; encoding; parallel; planning; transition

• Circular concrete: validating new technologies in the lab and on-site by Dooms, Bram; Vrijders, Jeroen (2022) - Keywords: Carbonatation, concrete recycling, pilot projects, recycled concrete aggregates (RCA), supplementary cementitious materials. A clear influence can be observed of de total re- placement of natural aggregates with the treated samples. Keywords: aggregates; carbonation; concrete; mixtures; reference; table

• Green mobility in courier services – aspects of using electric vehicles by Kalašová, Alica; Čulík, Kristián (2024) - Our paper presents the cost calculation results of using electric vehicles with a total weight of up to 3.5 tons in the courier services sector, compared to conventional vehicles. Keywords: Electromobility, alternative drive, electric vehicle, environmental impacts, calculation. Keywords: bevs; company; costs; courier; electric; emissions; services; slovakia; vehicles

• The Slow Nova V1280 Sco: A Short Review by Naito, H. (2015) - V1280 Sco (V) Nebular phase V1280 Sco V723 Cas Figure 1: Comparison of light curve and nebular phase between slow novae V1280 Sco and V723 Cas. Photometric and spectroscopic observations have been conducted from February 2007 to July 2013 over Table 1: Parameters of V1280 Sco in the literatures Distance [kpc] WD mass [M�] Reference 0.63 ± 0.10 < 0.6 Hounsell et al. 2010 1.6 ± 0.4 — Chesneau et al. 2008 1.25 1.0-1.25 Das et al. 2008 1.1 ± 0.5 < ∼0.6 Naito et al. 2012 0 2 4 6 8 10 12 14 16 18 0 500 1000 1500 2000 2500 M a g n it u d e s Days since maximum V723 Cas (Vis) －2.8 mag. Keywords: lines; sco; v1280

• Research focused on low carbonation of concrete under old cement-based render by Paulík, Peter; Gašpárek, Jakub; Bačuvčík, Michal; Janotka, Ivan (2022) - The experimental investigation of concrete carbonation depth, Cement and Concrete Research 36(9):1760-1767, 2006. doi:10.1016/j.cemconres.2004.07.025. The in-situ measurements of carbonation depth, which were also demonstrated by thermal (TG- DTA) and chemical analysis showed that a good quality thin cement-based render (PRC with a thickness of only 2-4 mm) can sufficiently protect the old concrete against carbonation in case if its integrity is maintained. Keywords: carbonation; concrete; depth; figure; prc

• THE LIGHTWEIGHT TEXTILE REINFORCED CONCRETE FOR THIN-WALLED STRUCTURES by Cibulka, Tereza; Musil, Luboš; Vodička, Jan (2019) - Textile Reinforced Lightweight Concrete (TRLC) The reinforcing fibres of textile reinforced concrete (TRC) are evenly distributed in a flat (2D) or spatial 17 http://dx.doi.org/10.14311/APP.2019.22.0017 http://ojs.cvut.cz/ojs/index.php/app T. Cibulka, L. Musil, We decided to post the most interesting results, which are fundamental for further research - compaction in horizontal position, fixation of lightweight concrete slabs, and homogeneity of the composite. Keywords: concrete; lightweight; textile; trlc

• Simultaneous UBVRI Observations of the AE Aquarii Blobs by Latev, G.; Zamanov, R.; Boeva, S.; Stoyanov, K. (2015) - Abstract We summarize the results of our study of the cataclysmic variable AE Aqr on the basis of simultaneous UBV RI observa- tions. AE Aqr has a relatively long orbital pe- riod and is one of the largest CVs having semimajor axis a = 2.33±0.02 R�, WD mass MWD = 0.63±0.05 M�, secondary mass M2 = 0.37 ± 0.04 M� (the quantities obtained with high-dispersion time-resolved absorption line spectroscopy by Echevarŕıa et al. 2008). Keywords: aqr; expansion; fireball; observations
• The Nova V5584 Sgr: A Short Review by Poggiani, R. (2015) - V5584 Sgr is part of the Stony Brook SMARTS Spectral Atlas of Southern Novae that includes data of more than sixty novae (Walters et al., 2012). 234 Acta Polytechnica CTU Proceedings 2(1): 234–237, 2015 234 doi: 10.14311/APP.2015.02.0234 The Nova V5584 Sgr: A Short Review R. Poggiani 1 1Department of Physics, Università di Pisa Corresponding author: rosa.poggiani@df.unipi.it Abstract The nova V5584 Sgr was discovered during 2009 October. Keywords: observations; sgr; v5584
• Spectroscopic Monitoring Observations of Nova V1724 Aql in 2012 by Kajikawa, T.; Nagashima, M.; Kawakita, H.; Arai, A.; Ikeda, Y.; Isogai, M.; Fujii, M.; Ayani, K. (2015) - We observed no evidence of molecule formation in V1724 Aql in contrast with V2676 Oph in which dust formation occurred after the molecular formation in the nova outflow. 1 Introduction Nova Aql 2012 (later named as V1724 Aql) was discovered on 2012 October 20.4 UT (Nishiyama & Kabashima 2012). Keywords: aql; nova; observations; observatory

• Photometric and Spectroscopic Investigation of the Dwarf Nova HS 0218+3229: A Short Review by Katysheva, N.; Shugarov, S.; Borisov, N.; Gabdeev, M.; Golysheva, P. (2015) - The notation is the same as in Fig. 4. 125 N. Katysheva et al. 3 Spectroscopic Observations Our spectroscopic observations of HS 0218+3229 was taken in 2010 and 2012, when the object was in quies- cence. [6] Golysheva, P.Yu., Antipin, S.V., Zharova, A.V. et al.: 2012, Astrophysics, 55, 208. doi:10.1007/s10511-012-9229-6 [7] Golysheva, P., Katysheva, N., Shugarov, S. et al.: 2013, CEAB, 37, 345. Keywords: lcs; outburst

• ŠIMÁNĚ 2017 by Foreword, Editorial, (2018) - Jakub Svoboda ČVUT FJFI martin.cesnek@fjfi.cvut.cz svoboj68@fjfi.cvut.cz Tomáš Czakoj ČVUT FJFI Martin Ševeček ČVUT FJFI tomas.czakoj@gmail.com martin.sevecek@fjfi.cvut.cz Michal Farník ČVUT FJFI/KF Václav Šísl ČVUT FJFI farnimi1@fjfi.cvut.cz sislvacl@fjfi.cvut.cz Filip Fejt ČVUT FJFI/KJR Jan Škarohlíd ČVUT FS filip.fejt@fjfi.cvut.cz Jan.Skarohlid@fs.cvut.cz Markéta Floriánová ČVUT FJFI/KJCH Tomáš Matlocha ČVUT FJFI Pavel.Bartl@fjfi.cvut.cz matlocha@ujf.cas.cz Ivana Bonková UK Ba Ondřej Novák ČVUT FJFI ivana.bonkova@gmail.com ondrej.novak2@fjfi.cvut.cz Viktor Burian UK MFF Adela Nováková ČVUT FJFI viktor.burian@protonmail.com novakad3@fjfi.cvut.cz Vojtěch Caha ČVUT FJFI Sebastian Nývlt ČVUT FJFI vojtacaha@gmail.com Keywords: fjfi; martin; nuclear; čvut

• Comparative study of different types of waterproofing screeds with a focus on radon permeability after the freeze-thaw exposure by Nývlt, Michal; Pazderka, Jiří; Jiránek, Martin; Hes, David (2025) - Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague COMPARATIVE STUDY OF DIFFERENT TYPES OF WATERPROOFING SCREEDS WITH A FOCUS ON RADON PERMEABILITY AFTER THE FREEZE-THAW EXPOSURE Michal Nývlt∗, Jiří Pazderka, Martin Jiránek, David Hes Czech Technical University in Prague, Faculty of Civil Engineering, Thákurova 7, Prague 166 29, Czech Republic ∗ corresponding author: michal.nyvlt@cvut.cz Abstract. Waterproofing screeds are shown to be suitable materials for substructure applications. Keywords: coefficient; cycles; diffusion; radon; screeds; waterproofing

• ON CONSTRUCTION OF A RELIABLE GROUND TRUTH FOR EVALUATION OF VISUAL SLAM ALGORITHMS by Bayer, Jan; Čížek, Petr; Faigl, Jan (2016) - ATE is given as: Fi = Q−1 i SPi, (1) where Q−1 i is transformation matrix, which maps (i + 1)th point of ground truth to ith point of ground truth. Ground truth for the first three trajectories; however, does not contain information about the heading of the robot, and thus only translational component of the ATE and RPE can be verified. Keywords: frame; ground; ground truth; localization; rgb; slam; trajectory; truth

• OPTIMIZATION-BASED APPROACH TO TILING OF FINITE AREAS WITH ARBITRARY SETS OF WANG TILES by Tyburec, Marek; Zeman, Jan (2017) - As the problem is undecidable, no general algorithm exists, and thus all the algorithms need to exploit the spe- cific structure of each individual (family of) tile sets. Our implementation lacks heuristics, parallelism, and generation of cuts, consequently being inefficient for tile sets with large number of degrees of freedom, such as the Čulík one. Keywords: k∈t; problem; rel; tiles; wang

• CHARACTERIZATION OF TITANIUM LASER WELDS by Chmelíčková, Hana; Hiklová, Helena; Václavek, Lukáš; Tomáštík, Jan; Čtvrtlík, Radim (2020) - A view of CP titanium weld root (E = 5.03 J, tp = 3 ms). A view of CP titanium weld face (E = 5.03 J, tp = 3 ms). Keywords: gpa; pulse; titanium; weld; zone

• COMPARISON OF TOTAL PRESSURE FLUCTUATIONS IN STEAM TURBINE STAGES WITH DIFFERENT DEGREE OF REACTION by Jelínek, Tomáš; Němec, Martin; Milčák, Petr (2018) - Influence of rotational speed on stators excitation. The relative pressure fluctuations are the highest in turbine stage (shown in Fig. Keywords: excitation; fig; rotor; stage; stator; turbine

• FRICTION BUFFER STOP DESIGN by Guziur, Petr (2017) - Friction buffer stops are the favoured construction of buffer stop, mainly due to its high resistance and variety of layout. Friction buffer stop Friction buffer stops have become the preferred con- structions at the end of a dead-end track in railway stations abroad (e.g. Switzerland, Germany Keywords: braking; buffer; distance; jaws; stop

• ON TRAVERSABILITY COST EVALUATION FROM PROPRIOCEPTIVE SENSING FOR A CRAWLING ROBOT by Mrva, Jakub; Stejskal, Martin; Faigl, Jan (2015) - Keywords: terrain traversability, proprioceptive sensing, walking robot. Focusing now mainly on legged robots, an early analysis of terrain traversability for legged locomotion using active perception was proposed by Krotkov back in 1990 Keywords: cost; evaluation; gait; modalities; motion; robot; sensing; sensors; terrain; traversability

• Evolution of Massive Population III Stars by Yoon, Sung-Chul (2014) - In this paper, I discuss the current understandings on the evolution of massive Pop III stars, focusing on the role of rotation in the stellar evolution (e.g., Marigo et al. 2003; Ekström et al. 2008; Yoon et al. 2012). Recent numerical studies indicate that massive Pop III stars would be born with surface rotation close to the critical value (e.g., Stacy et al. 2011). Keywords: evolution; iii; pop; stars

• The UBV Color Evolution of Classical and Symbiotic Novae by Hachisu, I.; Kato, M. (2015) - For example, Duerbeck & Seitter (1979) discussed that color evolutions of six novae are remarkably simi- lar in the intrinsic (B−V )0 van den Bergh & Younger (1987) derived gen- eral trends of color evolutions in nova light curves, i.e., (B − V )0 Keywords: color; novae; sequence

• BaTiO3 FILMS DEPOSITED ONTO TiNb AND Ti SUBSTRATES - AMOUNT AND STABILITY OF BARIUM by Moriová, Kamila; Tolde, Zdeněk; Vaněk, Přemysl; Starý, Vladimír; Nehasil, Václav (2017) - Stability of barium titanate films in a period of several months and an absolute amount of the released barium will be a subject of the next research. Before the preparation of barium titanate films, the substrates were cleaned (ultrasonic cleaning in acetone, etching in 6M HCl) and annealed in oxygen at 500 ◦C for 24 hours. Keywords: barium; batio3; films; saline; solution; titanate

• Experimental dynamic analysis of the footbridge across Jizera River in Mladá Boleslav by Čáp, Miroslav; Šána, Vladimír; Polák, Michal; Plachý, Tomáš (2024) - Experimentally obtained data of the time behaviour of the oscillating bridge deck were stored on the hard drive and subsequently processed by Fast Fourier Transform (FFT), which transforms the original signal from the time domain to the frequency domain, and natural frequencies are depicted as local peaks. An ordinary traffic is usually simulated by: • Random footbridge crossing with a pedestrian flow density of the same order as the density during standard use of the structure, • excitation of torsional or bending vibration; two synchronized pedestrians stepping on the same foot at the same time; pacing frequency according to natural frequencies of empty structure, • excitation of lateral vibration; two synchronized pedestrians stepping on the same foot at the same time; pacing frequency according to natural frequen- cies of empty structure. Keywords: bending; footbridge; pedestrians; vibration

• Diagnostic of the Symbiotic Stars Environment by Thomson, Raman and Rayleigh Scattering Processes by Sekeráš, M.; Skopal, A. (2015) - 1 shows a sketch of simplified ionization structure of symbiotic stars with location of scattering processes in their environment. In this contribution we present the effects of these three types of scattering processes observed in the spectra of symbiotic stars and their possible applications. Keywords: giant; raman; scattering; symbiotic
• STRUCTURAL AND MECHANICAL CHARACTERIZATION OF DEFORMED POLYMER USING CONFOCAL RAMAN MICROSCOPY AND DSC by Neitzel, Birgit; Aschermayer, Florian; Kracalik, Milan; Hild, Sabine (2016) - In the present study we compare the results for crystallinity measurements of deformed polymers using both methods in order to characterize the differences in micro-structure due to deformation. perpendicular to MOD, highly de- formed Figure 6. orientation distribution of PP samples calculated from confocal Raman spectra Figure 6 shows the orientation distribution of the PP-samples at different MODs and degrees of deforma- tion. Keywords: crystallinity; orientation; polymer; raman

• Electron Acceleration in Supernovae and Millimeter Perspectives by Maeda, Keiichi (2014) - Thus radio emissions from young SNe record information on the yet-unresolved ‘injection’ mechanism. In this paper, I argue that young SNe provide a unique site to study the electron acceleration mecha- nism. Keywords: acceleration; electron; shock; sne

• The World Space Observatory - Ultraviolet (WSO-UV) Space Telescope; Status Update in 2013 by Gómez de Castro, Ana I.; Shustov, Boris; Sachkov, Mikhail (2014) - GALEX has surveyed about 80% of the sky at UV wavelengths, providing for the first time a nearly complete view of the UV Universe (Mar- tin et al. 2003, Bianchi et al. 2011). All these missions have amply demonstrated the feasibility and relevance of UV studies (see Gómez de Castro et al. 2006, Gómez de Castro & Brosch 2009, for detailed compilations). Keywords: mission; science; space; wso

• DLC/TI THIN FILMS PROPERTIES PREPARED BY HYBRID LASER TECHNOLOGIES by Mikšovský, Jan; Jelínek, Miroslav; Písařík, Petr; Kocourek, Tomáš; Remsa, Jan; Jurek, Karel (2017) - Wearability test showed no damage to the coatings at load 1 N or 2 N (no matter on Ti concen- tration) but wear of the testing ball was significantly higher for lower Ti concentration in films. We studied behavior of layers for Ti concentration from 1 at.% to 25 at.%. Si(100) and Ti6Al4V alloy were used as substrates. Keywords: at.%; dlc; layers; titanium

• V2282 Sgr Revisited by Nesci, Roberto; Rossi, Corinne; Frasca, Antonio; Marilli, Ettore; Persi, Paolo; Cornero, Nicola (2014) - Abstract The nature of V2282 Sgr is examined on the basis of several multiband observations: a 20 years long I-band light curve of V2282 Sgr obtained from archive photographic plates of the Asiago and Catania Observatories; a CCD R-band light curve obtained at Cornero Observatory; JHK photometry from 2MASS and UKDISS; Spitzer IRAC and MIPS images; optical spectra from Loiano Observatory; X-ray flux from CHANDRA. The overall evidences suggest that V2282 Sgr is a Pre Main Sequence star with an accretion disk. Keywords: sgr; star; v2282; variable
• Optical Photometry of LMXBs: UW CrB (=MS 1603+260) and V1408 Aql (=4U 1957+115) by Mason, P. A.; Robinson, E. L.; Gomez, S.; Segura, J. V. (2015) - The appearance of type I X-ray bursts, either as X-rays or reprocessed as optical emission clearly indicates that the compact ob- ject is a neutron star. By including the newly observed type I bursts with published bursts in our analysis, we find that optical bursts are not observed between orbital phases 0.93 and 0.07, i.e. they are not observable during partial eclipses of the disk. Keywords: aql; night; star; v1408

• AGN/Starburst Connection by Sani, Eleonora (2014) - The merger between galaxies of approximately the same size is relevant for the cosmological evolution of SBs, quasars and early type galaxies (Sanders et al. 1988, Silk & Rees 1998, Fabian 1999, Granato et al. 2001, Di Matteo et al. 2005, Hopkins et al. 2008, Menci et al. 2008). Here the X- ray imaging and spectroscopy performed with Chandra (Komossa et al. 2003) revealed a Compton Thick double AGN, that was confirmed at all wavelengths, plus a SB covering a projected ∼ 2 kpc scale (Risaliti et al. 2006, Medling et al. 2011, Feruglio et al. 2013). Keywords: agn; et al; galaxies

• Star Formation in Tadpole Galaxies by Muñoz-Tuñon, Casiana; Almeida, Jorge Sanchez; Elmegreen, Debra M.; Elmegreen, Bruce G. (2014) - The sense of the resulting metallicity gradient dif- fers from the observation of local disk galaxies, where the gas-phase metallicity increases toward the galaxy centers (Vilchez et al., 1988) or is just constant (Genel et al., 2008). Twenty-one of them were previously identified as XMP galaxies in the literature, and 11 were new. Keywords: elmegreen; et al; galaxies; metallicity; sánchez; tadpole; xmp

• A New Review of Old Novae by Pagnotta, A. (2015) - These effects were quantified into the hibernation model originally proposed by Shara et al. (1986) to explain the low ob- served space-density of novae. 3 The Centuries to Millennia Following Eruption In addition to the long-term fading of a post-nova sys- tem, another prediction of the hibernation model is that a system should undergo state changes, passing through various other types of CVs on its way into and out of hibernation (Shara et al. 1986). Keywords: eruption; et al; nova; shara
• Line Evolution of the Nova V5587 Sgr from Early to Nebula Phase by Kajikawa, T.; Arai, A.; Nagashima, M.; Kawakita, H.; Yamanaka, M.; Kawabata, K.; Kiyota, S. (2015) - The light curve of V5587 Sgr is quite similar to that of the “Jitter”class nova PW Vul as shown Figure 1 (Schwarz et al. 1997, and references therein). 242 Acta Polytechnica CTU Proceedings 2(1): 242–245, 2015 242 doi: 10.14311/APP.2015.02.0242 Line Evolution of the Nova V5587 Sgr from Early to Nebula Phase T. Kajikawa1, A. Arai1,2, M. Nagashima1, H. Kawakita1, M. Yamanaka3,4,5, K. Kawabata3, S. Kiyota6 1Kyoto Sangyo University, Koyama Astronomical Observatory 2University of Hyogo, Nishi-Harima Astronomical Observatory 3Hiroshima University 4Kyoto University 5Konan University 6VSOLJ Corresponding author: kajikawat8@gmail.com Keywords: nova; sgr; v5587

• SURFACE TREATMENT AND EXAMINATION OF GRADE 2 AND GRADE 5 TITANIUM by Nagy, Peter; Weszl, Miklos; Toth, Krisztian Laszlo; Kientzl, Imre; Ring, Gyorgy; Szabadits, Peter; Bognar, Eszter (2016) - On the other hand, etching in 30% HCl yielded even surfaces both on Ti grade 2 and 5 discs. Aim of Experiment In this paper, we focus our attention on the effect of acid etching on the mass reduction, surface texture and roughness of Ti grade 2 and Ti grade 5 samples under controlled experimental conditions. Keywords: discs; etching; grade; titanium

• DESIGN OF SUBSOIL IMPROVEMENT BELOW HALL FLOORS by Turček, Peter; Súlovská, Monika (2017) - Following the evaluation of a preliminary engineering geological investigation, an initial design of stone columns was made during detailed investigation works. In test field No. 1, stone columns with a diameter of 500 to 600 mm were prepared using the technology of deep vibrating compaction, and filled with gravel of grain size 4/15 mm, 8/32 mm and 4/32 mm. Keywords: columns; consolidation; settlement; stone

• MODELING OF ANISOTROPIC GROWTH AND RESIDUAL STRESSES IN ARTERIAL WALLS by Zahn, Anna; Balzani, Daniel (2016) - Computational modeling of arterial wall growth. Thus, one could also have decided to apply axial stresses instead, unknowing which is the best way to mimic the unmeasurable, real conditions. Keywords: anisotropic; arterial; direction; growth; segment; stresses; tensor

• CHANGE OF A HIGHWAY ROUTE CAUSED BY A ROCKSLIDE by Kopecký, Miloslav; Brček, Martin; Frankovská, Jana; Ondrášik, Martin; Fraštia, Marek; Liščák, Pavel; Novotný, Jan (2021) - Rockslide activity was confirmed mainly by geodetic measurements for the period 14.5.2013 to 14.8.2013. Journal of Sustainable Mining 13:12–16, 2014. doi:10.7424/jsm140403. 15 https://doi.org/10.1016/j.jappgeo.2018.09.005 https://doi.org/10.7424/jsm140403 Acta Polytechnica CTU Proceedings 29:11–15, 2020 1 Introduction 2 Conditions and causes of rockslide development 3 Characteristics of individual parts of the rockslide and their activity in the period 2013-2014 4 Slope stability calculations and a proposal for rockslide remediation 5 Conclusions Acknowledgements References Keywords: fig; highway; rockslide; route; slope; stability

• Review of sunlight exposure of buildings in Central Europe climatic conditions by Vychytil, Jaroslav; Vychytil, Jaroslav; Mohelníková, Jitka (2022) - Keywords: Solar radiation, sunlight exposure, solar altitude, building insolation. This elevation angle represents of minimum solar altitude which can be accepted for the sunlight access into a room. Keywords: altitude; exposure; min; sunlight

• White Dwarfs in Cataclysmic Variables: An Update by Sion, E. M.; Godon, P. (2015) - In section 2, our FUV analysis techniques are briefly summarized, sec- tion 3 we address how the revised (shorter) distance to SS Cygni affects the results of our analysis of the FUSE + HST STIS spectra of SS Cygni by Sion et al. (2010), in section 4 we tabulate and display the current distribution of CVWD surface temperatures versus or- bital period and in the final section, we include some remarks on new HST spectra of the recurrent nova T Pyxidis. An obvious question is: How does the new, shorter dis- tance affect the analysis of Sion et al. (2010) regarding their detection of the WD during quiescence and their derivation of the WD’s surface temperature from the modeling of FUSE + HST STIS spectra? To answer this question, we have carried out model fits using the new distance in the range of 114 pc to 120 pc. Keywords: apj; et al; gänsicke; hst; sion; sion et; szkody

• The Formation of Massive Stars: from Herschel to Near-Infrared by Persi, Paolo; Tapia, Mauricio (2014) - All images were calibrated using photometric standard stars from Hunt et al. (1998) and Persson et al. (1998). 2 IRAS19388+2357(Mol110) IRAS 19388+2357 is associated with H2O maser emis- sion (Palla et al. 1991; Brand et al. 1994), a ra- dio source (Hughes & MacLeod 1994; Molinari et al. 1998) and dense molecular gas traced in NH3 by Moli- nari et al. (1996) who renamed as Mol110. Keywords: et al; images; source

• Close-In Substellar Companions and the Formation of sdB-Type Close Binary Stars by Zhu, L. Y.; Qian, S. B.; Zhao, E.-G.; Fernández Lajús, E.; Han, Z.-T. (2015) - 3.2 NY Vir NY Vir (PG 1336-018) was discovered as a HW Vir bi- nary by Kilkenny et al., (1998) which is composed of 2.580 2.585 2.590 2.595 2.600 2.605 0.4 0.2 0.0 -0.2 -0.4 6.750 6.755 6.760 6.765 0.4 0.2 0.0 -0.2 -0.4 Figure 2: Eclipse profiles of NY Vir observed in November 2012 and April 2013 with the 2.15-m ”Jorge Sahade” telescope. Kilkenny et al., (2011) found the orbital period of the binary is decreasing at a rate of Ṗ = −11.2 × 10−13 Keywords: binaries; binary; close; et al; sdb

• High-Resolution X-Ray Spectroscopy of Galactic Supernova Remnants by Katsuda, Satoru; Tsunemi, Hiroshi (2014) - [12] Katsuda, S., et al. 2013b, ApJ, 768, 182 doi:10.1088/0004-637X/768/2/182 [13] Kosenko, D., et al. 2008, A&A, 490, 223 Most SNRs in the large/small Magellanic clouds are small enough for the gratings, and indeed over 10 papers have been published in literature (e.g., Burrows et al. 2000; Rasmussen et al. 2001; Behar et al. 2001; van der Heyden et al. 2001; 2002; 2003; Flanagan et al. 2004; Kosenko et al. 2008; 2011; Broersen et al. 2011). Keywords: et al; knot; puppis; shock

• Concluding Address by Giovannelli, Franco (2014) - [5] Fan, X. et al.: 2003, AJ 125, 1649. 330 http://dx.doi.org/10.1016/j.astropartphys.2006.11.001 http://dx.doi.org/10.1086/341189 http://dx.doi.org/10.1086/309384 http://dx.doi.org/10.1088/0004-637X/736/1/7 Concluding Address [6] Ikeda, D.: 2001, For Today and Tomorrow - the thought of 30th May, Edizioni Esperia. However, there are many problems in performing Simultaneous Multifre- quency, Multisite, Multiinstrument, Multiplatform and Multienergy measurements due to: i) objective tech- nological difficulties; ii) sharing common scientific ob- jectives; iii) problems of scheduling and budgets; iv) political management of science. Keywords: physics; workshop
• The Tenth International Workshop on MULTIFREQUENCY BEHAVIOUR OF HIGH ENERGY COSMIC SOURCES Palermo, Italy, 2013 by Foreword, Editorial, (2014) - The Editors Franco Giovannelli & Lola Sabau-Graziati iv List of participants Amati Lorenzo , INAF–IASF, Bologna, Italy amati@iasfbo.inaf.it Ambrosino Filippo , La Sapeinza University, Roma, Italy filippo.ambrosino@roma1.infn.it Anderson Gemma , University of Southampton, UK gemma.anderson@hotmail.com Arnaud Monique , CEA Service d’Astrophysique, Gif sur Yvette, Saclay, France monique.arnaud@cea.fr Aschenbach Bernd , PRV Vaterstetten, Germany bernd.aschenbach@t-online.de Auriemma Giulio , Universit degli Studi della Basilicata, Italy Giulio.Auriemma@cern.ch Barret Didier , IRAP, Toulouse, France didier.barret@irap.omp.eu Barrière Nicolas , Space Sciences Lab - UC Berkeley, CA, USA barriere@ssl.berkeley.edu Beall James H. , SSD-NRL, Washington DC, USA beall@sjca.edu Behar Ehud , Technion. Haifa, Israel behar@physics.technion.ac.il Beilicke Matthias , Washington University in St.Louis, LA, USA beilicke@physics.wustl.edu Bisnovatyi-Kogan Gennady , Space Research Institute, IKI, Moscow, Russia gkogan@iki.rssi.ru v Blay Pere , GACE–LPI–Universidad de Valencia, Spain pere.blay@uv.es Boller Thomas , MPE, Garching, Germany bol@mpe.mpg.de Bordas Pol , IAAT & ISDC, Tübingen, Germany pol.bordas@uni-tuebingen.de Buckley David , Southern African Large Telescope, Cape Town, South Africa dibnob@saao.ac.za Castellina Antonella , INAF–OATo and INFN, Torino, Italy castelli@to.infn.it Castro Cerón José Maŕıa , Villanueva de la Cañada, Madrid, Spain josemari@alumni.nd.edu Colafrancesco Sergio , School of Physics - Wits University, Johannesburg, South Africa sergio.colafrancesco@wits.ac.za Costamante Luigi , Dipartimento di Fisica, Università di Perugia, Italy luigic2011@gmail.com Keywords: germany; iaps; inaf; institute; italy; roma; spain; university; usa; workshop
• Golden Era of Cataclysmic Variables and Related Objects II: Concluding Remarks by Hudec, R. (2015) - 325 Acta Polytechnica CTU Proceedings 2(1): 325–327, 2015 325 doi: 10.14311/APP.2015.02.0325 Golden Era of Cataclysmic Variables and Related Objects II: Concluding Remarks R. Hudec1,2 1Astronomical Institute, Academy of Sciences of the Czech Republic, CZ-25165 Ondřejov, Czech Republic 2Czech Technical University in Prague, Faculty of Electrical Engineering, Prague, Czech Republic Corresponding author: rene.hudec@asu.cas.cz Abstract The cataclysmic variables continue to represent important part of modern astrophysics, as demonstrated, already second time, by the productive and successful conference Golden Era of Cataclysmic Variables and Related Objects II held on Mondello (Palermo) in September 2013. Figure 7: Are these conference participants both showing their estimate of the accretion disk radius? 326 Golden Era of Cataclysmic Variables and Related Objects II: Concluding Remarks Figure 8: The delicious desserts served after the meals surely contributed to the workshop success as well. Keywords: conference; figure; workshop

• Optical Low Resolution Spectroscopic Observations of T Pyx during the Early Phase of 2011 Outburst by Arai, A.; Isogai, M.; Yamanaka, M.; Akitaya, H.; Uemura, M. (2015) - 257 Acta Polytechnica CTU Proceedings 2(1): 257–260, 2015 257 doi: 10.14311/APP.2015.02.0257 Optical Low Resolution Spectroscopic Observations of T Pyx during the Early Phase of 2011 Outburst A. Arai1,2, M. Isogai2,3, M. Yamanaka4, H. Akitaya5, M. Uemura5 1Center for Astronomy, University of Hyogo 2Koyama Astronomical Observatory, Kyoto Sangyo University 3National Astronomical Observatory of Japan 4Kwasan Observatory, Kyoto University 5Higashi-Hiroshima Astronomical Observatory, Hiroshima University Corresponding author: arai@nhao.jp Abstract We report on the results of our low resolution spectroscopic observations during the 2011 outburst of the recurrent nova T Pyx. We discuss that the early phase of T Pyx is divided into three stages, a short lived WR-like stage, He/N stage and Fe II stage. Keywords: pyx

• EFFECT OF VISCOUS DAMPING IN NUMERICAL CALCULATION OF CABLE-MEMBRANE STRUCTURES BY THE METHOD OF DYNAMIC RELAXATION by Huttner, Miloš; Fajman, Petr (2018) - Comparison of the number of iterations for the damping coefficient determined according to 1 and 2 (red square) with different damping coefficients for Example 3 (SR). 4.4. Comparison of the number of iterations for the damping coefficient determined according to 1 and 2 (red square) with different damping coefficients for Example 4 (FF). Keywords: damping; example; figure; iterations; number
• OPTIMIZATION OF TUNED MASS DAMPERS ATTACHED TO DAMPED STRUCTURES - MINIMIZATION OF MAXIMUM DISPLACEMENT AND ACCELERATION by Štěpánek, Jan; Máca, Jiří (2021) - An analytical solution of optimum TMD parameters attached to a damped main structure have not been found and according to Asami et al., the solution is probably impossible [6]. Optimum TMD parameters: TF No. 1. Keywords: damping; optimum; tmd

• RC deck - stiffened arch existing bridges: simulated design and structural analysis by Crisci, Giovanni; Ceroni, Francesca; Lignola, Gian Piero; Prota, Andrea (2022) - WUH VV �>0 3D @ 3RV��0RP��0DLQ�EHDPV 1HJ��0RP��0DLQ�EHDPV 3RV��0RP��6HF��EHDPV 1HJ��0RP��6HF��%HDPV 7KUHVKROG YDOXH�����03D Figure 8. 33/2022 RC Deck - Stiffened Arch Existing Bridges ���� ���� ���� ���� ���� : RU NL QJ �6 KH DU �6 WUH VV �>0 3D @ 0DLQ�EHDPV 6HFRQGDU\�EHDPV7KUHVKROG YDOXH�Wc0 ����03D Figure 9. Keywords: 0dlq �; arch; qj �; � 03d; � 0rp; � ehdpv; � fp; � p; � �

• Parapet structure from special shaped TRC blocks by Pazderka, Jiří; Hájek, Petr; Nývlt, Michal; Žáková, Hana (2022) - Precast parapet block. Figure 4 shows precast parapet block (no. 1) which forms the supporting structure of the parapet shown in Figure 3. Keywords: block; horizontal; parapet; precast

• THE INTERACTION OF HUMAN OSTEOBLAST-LIKE Saos-2 CELLS WITH STAINLESS STEEL AND Si(100) COATED BY SILICALITE 1 FILMS by Jirka, Ivan; Vandrovcová, Marta; Plšek, Jan; Bačáková, Lucie (2017) - Immunofluorescence staining of vinculin, a protein of focal adhesion plaques (green) in human osteoblast- like Saos-2 cells on day 3 after seeding on SC-Si(100) (A) or SC-SS (B). The number of Saos-2 cells (N(Saos-2)) on the surfaces of SC-ss and SC-Si(100) on day 1 and 3 after seeding is depicted in Figure 4. Keywords: cells; si(100

• Fullerenes, PAHs, Amino Acids and High Energy Astrophysics by Iglesias-Groth, Susana (2014) - 2.3 Gamma Radiolysis of C60 fullerene in water and water/ammonia mixtures; relevance of fullerenes fate in ices of interstellar medium In order to explore the potential astrochemical role of fullerenes,Iglesias-Groth et al. (2013) have explored the radiolysis of fullerene C60 dispersed in H2O, H2O/NH3, H2O/methanol and H2O/NH3/methanol under gamma radiation doses of 250 and 500 kGy. A&A, 137,5 [19] Nuevo, M., Milam, S. N.& Sandford, S. A. 2012, AsBio 12, 295 [20] Pizzarello, S. & Cronin, J. R. 2000,GeCoA,64, 329 doi:10.1016/S0016-7037(99)00280-X [21] Ricca, A., Bakes, E. L. O. & Bauschlicher, C. W., Jr. 2007, ApJ, 659, 858 doi:10.1086/512037 [22] Salama, F., Bakes, E. L. O., Allamandola, L. J.& Tielens, A. G. G. M. 1996, ApJ, 458, 621 [23] Zhang, Y., Kwok, S. 2011,ApJ , 730, 126 doi:10.1088/0004-637X/730/2/126 41 http://dx.doi.org/10.1111/j.1365-2966.2009.15457.x http://dx.doi.org/10.1111/j.1365-2966.2012.21006.x http://dx.doi.org/10.1086/422216 http://dx.doi.org/10.1086/518832 http://dx.doi.org/10.1111/j.1365-2966.2011.18124.x http://dx.doi.org/10.1088/2041-8205/776/1/L2 http://dx.doi.org/10.1016/S0016-7037(99)00280-X http://dx.doi.org/10.1086/512037 http://dx.doi.org/10.1088/0004-637X/730/2/126 Introduction Astrophysical Searches for Fullerenes New results on ionised fullerenes: C60+ The stability of C60 and C70 towards copuscular and radiation Gamma Radiolysis of C60 fullerene in water and water/ammonia mixtures; relevance of fullerenes fate in ices of interstellar medium Stability Toward High Energy Radiation of Non-Proteinogenic Amino Acids: Implications for the Origins of Life Conclusions Keywords: c60; fullerenes; groth; iglesias; radiation

• Testing f(R)-Theories by Binary Pulsars by De Laurentis, Mariafelicia; De Martino, Ivan (2014) - In- stead for most of binaries we have f ′′0 values that can surely rule out the theory, since taking account of the weak field assumption we obtain 38 ≤ f ′′0 ≤ 4 × 107. ︸ ︷︷ ︸ f(R) 〉 , (5) where we point out that for f ′′0 → 0 and f ′0 → 4 3 , the previous equation becomes 〈 dE dt 〉 ︸ ︷︷ ︸ (GR) Keywords: binary; ṫbobs; ′′0

• OPTIMIZATION OF DECOMPRESSIVE CRANIECTOMY BASED ON FINITE ELEMENT SIMULATIONS by Hazay, Mate; Bakos, Bernadett; Toth, Peter Jozsef; Buki, Andras; Bojtar, Imre (2018) - Increased strain levels and water content in brain tissue after decompressive craniotomy. Regarding these parameters, some illustrative results obtained by FE simulations in case of different skull openings are shown in Fig. Keywords: brain; decompressive; fig; opening; skull; tissue

• Axial behaviour of strengthened circular hollow reinforced concrete column with CFRP partial confinement by Ismail, Ruqayyah; Muhammad Rashid, Raizal Saifulnaz; Ahmad Zakwan, Fariz Aswan; Ahmad, Hazrina; Hejazi, Farzad (2022) - With partial CFRP confinement, initial cracks 252 vol. 33/2022 Axial Behaviour of Hollow Reinforced Concrete Column �E���D�� � � � ��� ��� ��� ��� ��� � � � � � �� �� �� �� �� �� �� /R DG ��N 1 � 9HUWLFDO�'LVSODFHPHQW��PP� /RDG�YV�9HUWLFDO�'LVSODFHPHQW� �8QFRQILQHG� &+&�����$ &+&�����$ &+&�����$ � ��� ��� ��� ��� ���� ���� � � �� �� �� �� �� �� �� /R DG ��N 1 � 9HUWLFDO�'LVSODFHPHQW��PP� /RDG�YV�9HUWLFDO�'LVSODFHPHQW��3DUWLDO� &)53� &)�����$ &)�����$ &)�����$ Figure 4. Ϭ͕Ϭϭϰ ^ƚ ƌĞ ƐƐ �;D WĂ Ϳ $[LDO�6WUDLQ��PP�PP� 6WUHVV�YV�$[LDO�6WUDLQ�������PP��8QFRQILQHG �,�Ͳ;ϭͿͲ� �,�Ͳ;ϮͿͲ� �,�Ͳ;ϯͿͲ� � � �� �� �� �� �� ����� ����� ����� ����� ����� 6W UH VV ��0 3D � $[LDO�6WUDLQ��PP�PP� 6WUHVV�YV�$[LDO�6WUDLQ�������PP��3DUWLDO� &)53 &)�����$ &)�����$ &)�����$ Figure 6. Keywords: cfrp; dg �; � $; � 'lvsodfhphqw; � d; � pp; � yv; � �

• High-Speed Photo-Polarimetry of Magnetic Cataclysmic Variables by Potter, S. B. (2015) - Followup photo-polarimetric observations with the HIPPO (Potter et al. 2010) however clearly shows or- bitaly modulated photometry and circularly polariza- tion from ∼ 0 to ∼ 18 per cent, unambiguously identi- fying IGRJ14536-5522 as a polar (Fig.2, left and right upper panels respectively: from Potter et al. 2010). Figure reproduced from Potter et al. (2010). Keywords: photo; potter

• FLEXIBILITY TEST OF THE TOOLS OF ANGIOPLASTY by Hajdu, István; Károly, Dóra; Pelyhe, Liza (2016) - Keywords: angioplasty, coronary stent, balloon catheter, flexibility. Flexibility and trackability of laser cut coronary stent systems. Keywords: angioplasty; diameter; flexibility; stent; tools

• THE OCCURRENCE OF SYNCHRONIZED JUMPING CROWD AT SPORTS STADIUMS by Verner, Martin (2017) - Types of fans behaviour During the experiment, nine types of fans be- haviour was recorded: Walking and running, Jump- ing, Bouncing/Bobbing/Jouncing, Swaying, Hand- clapping, Static state, Goal scoring and Mexican wave. These types of fans behaviours caused the maximal vibration of the grandstand. Keywords: fans; football; jumping; stadium
• WHICH FANS ARE THE BIGGEST ACCELERATION OF THE GRANDSTAND? by Verner, Martin (2018) - An experiment focused on fans behaviour and induced grandstand vibrations during a football match. Sparta fans are on the second storey of the platform on the concole part of the beam [1–6]. 2.3. Keywords: eden; fans; figure; letna; stadium; vibrations

• Measuring circularity from buildings to neighbourhoods by Gomes , Vanessa; Valdivia, Sara; Pulgrossi, Lizzie; Gomes da Silva, Maristela (2022) - Keywords: Circular building, indicator, metric, circularity, circular economy. As circular buildings gain in reputa- tion, the valuation model can be used as a benchmark to compare the performance of buildings based on CE Keywords: circularity

Epilogue

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Created: 2025-12-27