Research Article
Effect of SiO2 Methyl Modification on the Performance of Nondispersible Underwater Concrete and Reinforcement Mechanism
Table 6
Performance requirements of UWC.
| | Experimental projects | Specific projects | Parameter requirements |
| | Fluidity | Slump (mm) | 230 ± 20 | | Slump flow (mm) | 450 ± 20 |
| | Antiwashout resistance | Loss of cement (g) | <1.5 | | Suspended matter content (mg/L) | <150 | | pH | <12 |
| | Underwater/in-air strength ratio (MPa) | 7d | >35 | | 28d | >50 |
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