id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-1583	Saliba, J.; Loukili, A.; Regoin, J.P.; Grégoire, D.; Verdon, L.; Pijaudier-Cabot, G.	Experimental analysis of crack evolution in concrete by the acoustic emission technique	2015	9	.pdf	application/pdf	5318	199	59	They considered that the length of the FPZ is equal to the zone where the local energy is superior to 15% of the total energy in the specimens or the region where the distribution of peak amplitude or AE energy is superior to 30% as the AE criterion to distinguish the failure zone. 0 10 20 30 40 50 60 70 80 0 1 2 3 4 5 W id th  o f  FP Z  (m m ) UN100                 UN200  SN200  LN200 Figure 6: The width of the FPZ for UN200, UN100, SN200 and LN200 beams THE AE BASED IB-VALUE he AE peak amplitude is related to the magnitude of cracks developed during fracture.	cache/fis-1583.pdf	txt/fis-1583.txt