Research Article
The Role of Iron Tailing Powder in Ultra-High-Strength Concrete Subjected to Elevated Temperatures
Table 1
Physical properties of cement.
| | Flexural strength (MPa) | Compressive strength (MPa) | Specific surface area (m2/kg) | Density (g/cm3) | | 3 d | 28 d | 3 d | 28 d |
| | 4.3 | 8.2 | 23.8 | 46.8 | 350 | 2.875 |
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