| Sample | Mortar composition, g (+1350 g of standard sand) | Demolding time, d/hrs. | Compressive strength, MPa, at days | |||||||
| Slag-2 | Ash-N | Ash-B (ground, hrs.) | Sodium carbonate | Sodium gluconate | Lignosulfonate | W/Ba | 7 | 28 | ||
| 1 | 450 | - |
| 13.5 | - | 2.25 | 0.38 | 5 d | 0.8 | 24.9 |
| 2 | 405 | 45 | - | 13.5 | 0.9 | - | 0.31 | 3 d | 16.1 | 35.1 |
| 3 | 405 | - | 45 (0) | 13.5 | 0.9 | - | 0.31 | 4 d | 0.7 | 24.9 |
| 4 | 405 | - | 45 (4) | 4.5 | 0.45 | - | 0.36 | 1 d | 1.0 | - |
| 5 | 405 | - | 45 (24) | 13.5 | 0.45 | - | 0.36 | 4 hrs | 13.5 | 23.4 |
| 6 | 405 | - | 45 (48) | 13.5 | 0.45 | - | 0.36 | 4 hrs | 12.7 | 21.7 |