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

Table 7

Relative dynamic elastic modulus of C30 iron ore tailings concrete after freeze-thaw (%).

Freeze-thaw cycles	Replace rate of iron ore tailings
	0%	20%	40%	60%	80%
0	100	100	100	100	100
20	98.32	98.54	98.88	98.06	97.89
40	96.12	96.77	97.00	95.70	95.21
60	93.67	94.28	94.59	92.94	92.23
80	90.82	91.18	91.85	89.84	88.91
100	87.72	88.17	88.93	86.83	85.46
120	84.27	84.99	85.84	83.64	81.84