Influence of Steel Fiber on Durability Performance of Concrete under Freeze-Thaw Cycles

Table 7

Fitting results of CWA with square root of time.

Types		FTCs
		0	25	50	75	100
PC	a	3332	6555	11450	14247	17216
	b	0.508	0.626	0.275	0.399	0.809
	R^2	0.960	0.985	0.991	0.994	0.992
SFRC20	a	3454	5526	6771	13432	15300
	b	0.274	0.297	0.262	0.353	0.502
	R^2	0.988	0.999	0.993	0.994	0.994
SFRC40	a	3159	4620	5385	6771	12828
	b	0.306	0.331	0.338	0.262	0.423
	R^2	0.994	0.996	0.997	0.993	0.994
SFRC60	a	3263	4671	5304	6306	6874
	b	0.269	0.225	0.256	0.244	0.497
	R^2	0.993	0.993	0.996	0.996	0.997