Research Article
Effect of SiO2 Methyl Modification on the Performance of Nondispersible Underwater Concrete and Reinforcement Mechanism
Table 1
Properties of rapid hardening sulfoaluminate cement.
| | Specific surface area (m2/kg) | Apparent density (kg/m3) | Setting time (hr:min) | Compressive strength (MPa) |
| | 495 | 3,020 | Initial setting time | Final setting time | 3d | 7d | 28d | | ≥0:25 | ≤3:00 | ≥ 30.0 | ≥ 42.5 | ≥ 45.0 |
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