| Block types | Sample No | 7 days | 14 days | 28 days | |||
| Unit Strength N/mm2 | Average strength N/mm2 | Unit Strength N/mm2 | Average strength N/mm2 | Unit Strength N/mm2 | Average strength N/mm2 | ||
| T-DHSB
| 1 | 2.20 | 2.17 | 2.82 | 2.82 | 3.61 | 3.58 |
| 2 | 2.20 | 2.82 | 3.61 | ||||
| 3 | 2.12 | 2.82 | 3.53 | ||||
| R-DHSB
| 1 | 2.28 | 2.24 | 2.92 | 2.92 | 3.99 | 4.04 |
| 2 | 2.28 | 2.92 | 4.06 | ||||
| 3 | 2.16 | 2.92 | 4.06 | ||||