Table 9 Engineering properties of the proposed formula
No. | Fluidity (s) | Flexural strength (MPa) | Compressive strength (MPa) | Shrinkage rate (%) | |||||
|---|---|---|---|---|---|---|---|---|---|
1 day | 3 days | 7 days | 1 day | 3 days | 7 days | 7 days | 28 days | ||
O-1 | 12.9 | 2.7 | 8.4 | 11.1 | 10.8 | 27.1 | 35.9 | 0.018 | 0.121 |
O-2 | 10.4 | 3.4 | 8.2 | 10.7 | 10.9 | 26.0 | 34.4 | 0.021 | 0.108 |
Requirement | 9–13 | – | – |  ≥ 2 | – | – |  ≥ 10 | – |  < 0.5 |