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