| No. | Concrete | Flexural Strength (MPa) | Difference from reference (%) |
| 1 | Normal | 4.2852 | 0.00 |
| 2 | KOLAM 1% | 4.4544 | 3.95 |
| 3 | KOLAM 5% | 3.3331 | −(22.22) |
| 4 | KOLAM 10 % | 2.0232 | −(52.79) |
| 5 | KOLAS 1% | 3.4561 | −(−19.35) |
| 6 | KOLAS 5% | 2.1940 | −(48.80) |
| 7 | KOLAS 10% | 1.1086 | −(74.13) |