| Mix | Description | Flexural strength in N/mm2 | Compressive strength in N/mm2 | ||
| 7 days | 28 days | 7 days | 28 days | ||
| C1 | Without fly ash | 4.4 | 4.4 | 45.8 | 66.2 |
| C2 | FA by MVM | 4.8 | 4.8 | 51.4 | 75.6 |
| C3 | FA by MDM | 4.6 | 4.6 | 48.2 | 70.7 |
| C4 | FA by MVM + SP | 5.0 | 6.4 | 56.9 | 83.4 |
| C5 | FA by MDM + SP | 5.0 | 6.2 | 54.5 | 78.7 |