Table 3.
Mixing proportions of the experiment(kg/m³).
| Group number | Cement (kg) | Sand (kg) | Water (kg) | RRF (%by volume) | Static compressive strength (MPa) |
|---|---|---|---|---|---|
| NM | 480 | 337 | 183 | 0 | 31 |
| RRFM-10 | 480 | 337 | 183 | 1 | 27 |
| RRFM-20 | 480 | 337 | 183 | 2 | 22 |
| RRFM-30 | 480 | 337 | 183 | 3 | 16 |
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