Research Article
Analysis and Prediction of Compressive Properties for Steel Fiber-and-Nanosilica-Reinforced Crumb Rubber Concrete
Table 1
Chemical composition and properties of cement.
| Specific surface area (m2/kg) | Specific gravity (kg/m3) | Setting time (min) | SO3 (%) | MgO (%) | Cl (%) | Loss on ignition (%) | Mortar strength (MPa) |
| 350 | 3100 | Initial | Final | 2.26 | 2.21 | 0.015 | 3.82 | 3 days | 28 days | 172 | 230 | ā | 25.6 | 45.8 |
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