Table 3 Mix proportion design.
Sample ID | Cement (kg/m3) | Coarse aggregate (kg/m3) | Natural sand (kg/m3) | Tailings sand (kg/m3) | Water (kg/m3) | Superplasticizer (kg/m3) |
|---|---|---|---|---|---|---|
1 | 400 | 1,000 | 620 | 0 | 200 | 4.70 |
2 | 400 | 1,000 | 558 | 62 | 200 | 4.70 |
3 | 400 | 1,000 | 496 | 124 | 200 | 4.70 |
4 | 400 | 1,000 | 434 | 186 | 200 | 4.70 |
5 | 400 | 1,000 | 372 | 248 | 200 | 4.70 |
6 | 400 | 1,000 | 310 | 310 | 200 | 4.70 |
7 | 400 | 1,000 | 248 | 372 | 200 | 4.70 |
