| Fresh properties | ||||
| Parameters | Time (days) | Control | 20 GP | Pozzolanic index (%) |
| Flow (mm) |
| 225 ± 2 | 180 ± 0 |
|
| Initial setting (min) |
| 212 ± 2 | 203 ± 2 |
|
| Final setting (min) |
| 247 ± 1 | 238 ± 1 |
|
| Water demand (5) |
| 29.7 ± 3 | 29.6 ± 0.1 |
|
| Hardened properties | ||||
| Compressive strength (MPa) | 1 | 13.6 ± 0.6 | 8.8 ± 0.5 | 64.7 |
| 7 | 33.3 ± 0.1 | 25.5 ± 0.3 | 76.6 | |
| 28 | 40.8 ± 0.1 | 36.39 ± 0.0 | 89.2 | |
| 91 | 41.9 ± 1.8 | 41.1 ± 0.9 | 98.1 | |