id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
app01-11091	Kabíčková, Věra; Hájek, Jakub; Macháček, Jan; Kafková, Eliška; Vlach, Tomáš	Fire resistance of high-performance concrete reinforced with selected fibers	2025	5	.pdf	application/pdf	2263	142	61	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.	cache/app01-11091.pdf	txt/app01-11091.txt