Table 7.
Optimal value leading to highest compressive strength.
| Factors | Level | Value |
|---|---|---|
| Cement (kg/m3) | 4 | 350 |
| CDG (kg/m3) | 4 | 700 |
| Water to materials ratio | 4 | 0.5 |
| Fine content (%) | 2 | 15 |
| Gravel content (%) | 1 | 10 |
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