Life Prediction of Iron Ore Tailings Concrete under Freeze-Thaw Cycle Based on Weibull Distribution

Table 6

Strength loss rate of C30 iron ore tailings concrete after freeze-thaw (%).

Freeze-thaw cycles	Replace rate of iron ore tailings
	0%	20%	40%	60%	80%
0	0	0	0	0	0
20	3.73	4.34	2.58	3.29	3.88
40	7.71	8.43	7.28	9.11	9.82
60	14.18	13.25	12.91	14.94	17.05
80	20.15	20.00	18.08	22.03	25.58
100	26.87	24.82	23.71	29.62	33.59
120	34.83	32.53	30.76	38.48	44.19