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

Table 8

Weibull distribution characteristic parameters.

Replace rate (%)	α	β	B	R^2
0	487.9103	1.2849	−7.9537	0.9989
20	466.5424	1.3588	−8.3503	0.9967
40	435.0642	1.4584	−8.8605	1.0000
60	487.7295	1.2384	−7.6654	0.9994
80	444.4932	1.2462	−7.5980	0.9996