Performance Evaluation of Waste Crumb Rubber/Silica Fume Composite Modified Pervious Concrete in Seasonal Frozen Regions

Table 6

Flexural failure strain of RSFPC.

Mix ID	Flexural elastic modulus (GPa)
	Number	F0.5	F0	∆0.5	∆0	E	Mean	St. dev.
WCR4 + SF12	1	5.311	1.992	0.152	0.143	24.9	24.0	0.68
	2	5.102	2.002	0.148	0.139	23.3
	3	5.179	1.997	0.152	0.143	23.9
WCR6 + SF12	1	5.021	1.995	0.152	0.142	20.4	20.9	0.36
	2	5.119	1.999	0.151	0.141	21.1
	3	5.156	2.003	0.154	0.144	21.3
WCR8 + SF12	1	4.566	1.989	0.159	0.147	14.5	14.4	0.26
	2	4.502	2.001	0.163	0.151	14.1
	3	4.389	1.997	0.159	0.148	14.7