| Sample | Compressive strength at 3 days | Compressive strength at 7 days | Compressive strength at 14 days | Compressive strength at 28 days |
| Conventional concrete | 188.6 | 309.3 | 332 | 367 |
| Concrete with 15% replacement of stone slurry instead of natural sand | 169.6 | 265.1 | 315.6 | 328 |