Research Article

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

Table 2

Technical performance of cement.

Chemical composition (%)Compressive strength (MPa)Flexural strength (MPa)SecurityPhysical property
Specific surface (m2/Kg)Setting time (min.)Final setting (min.)

3.75.63 d 6 d3 d 6 dConformity380120300
19 334.3 6.8