Table 3.
Compressive strength of different SCHSC mixes at the age of 28 days.
| Concrete Designation | W/B Ratio | POFA (% B) | Average Compressive Strength (MPa) |
|---|---|---|---|
| C25P0 | 0.25 | 0 | 70.9 |
| C25P10 | 0.25 | 10 | 72.9 |
| C25P20 | 0.25 | 20 | 74.2 |
| C25P25 | 0.25 | 25 | 68.2 |
| C25P30 | 0.25 | 30 | 65.9 |
| C30P0 | 0.30 | 0 | 67.6 |
| C30P10 | 0.30 | 10 | 69.3 |
| C30P20 | 0.30 | 20 | 71.3 |
| C30P25 | 0.30 | 25 | 65.5 |
| C30P30 | 0.30 | 30 | 63.1 |
| C35P0 | 0.35 | 0 | 61.3 |
| C35P10 | 0.35 | 10 | 62.8 |
| C35P20 | 0.35 | 20 | 64.2 |
| C35P25 | 0.35 | 25 | 58.8 |
| C35P30 | 0.35 | 30 | 57.7 |
| C40P0 | 0.40 | 0 | 56.2 |
| C40P10 | 0.40 | 10 | 57.9 |
| C40P20 | 0.40 | 20 | 58.2 |
| C40P25 | 0.40 | 25 | 54.1 |
| C40P30 | 0.40 | 30 | 52.3 |