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) | Security | Physical property | Specific surface (m2/Kg) | Setting time (min.) | Final setting (min.) |
| 3.7 | 5.6 | 3 d 6 d | 3 d 6 d | Conformity | 380 | 120 | 300 | 19 33 | 4.3 6.8 |
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