Research Article
Research on Carbonation Characteristics and Frost Resistance of Iron Tailings Powder Concrete under Low-Cement Clinker System
Table 1
Main properties of reference cement.
| | Setting time (min) | Compressive strength (MPa) | Flexural strength (MPa) | Standard consistency water consumption (%) | Fineness (mm) | Specific surface area (m2·kg−1) | Soundness | | Initial | Final | 3 d | 28 d | 3 d | 28 d |
| | 155 | 215 | 28.3 | 53.2 | 5.5 | 10.3 | 27.2 | 0.5 | 347 | Qualified |
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