Table 4 Concrete mix ratio.
W/C | Cement/kg m−3 | Fly ash/kg m−3 | Fly ash ratio/% | Water/kg m-3 | Fine aggregate/kg m−3 | Coarse aggregate/kg m−3 | Compressive strength/MPa |
|---|---|---|---|---|---|---|---|
0.53 | 330.0 | – | – | 175 | 662 | 1228 | 32.8 |
297.0 | 33.0 | 10 | 175 | 662 | 1228 | 33.1 | |
280.5 | 49.5 | 15 | 175 | 662 | 1228 | 30.9 | |
264.0 | 66.0 | 20 | 175 | 662 | 1228 | 31.3 | |
247.5 | 82.5 | 25 | 175 | 662 | 1228 | 30.1 |
