Table 11 Properties (PV) and coefficient of variation (CV) of different formulas
Type | Fluidity | Flexural strength | Compressive strength | Shrinkage rate | |||||
|---|---|---|---|---|---|---|---|---|---|
1 day | 3 days | 7 days | 1 day | 3 days | 7 days | 7 days | 28 days | ||
O-1 | |||||||||
 PV | 12.9 s | 2.7 MPa | 8.4 MPa | 11.1 MPa | 10.8 MPa | 27.1 MPa | 35.9 MPa | 0.018% | 0.121% |
 CV | 8.1% | 11.1% | 8.8% | 6.9% | 8.7% | 6.6% | 5.1% | 9.7% | 6.7% |
O-2 | |||||||||
 PV | 10.4 s | 3.4 MPa | 8.2 MPa | 10.7 MPa | 10.9 MPa | 26.0 MPa | 34.4 MPa | 0.021% | 0.108% |
 CV | 7.6% | 10.9% | 8.3% | 7.0% | 8.3% | 6.1% | 5.4% | 9.0% | 7.1% |
UF | |||||||||
 PV | 10.6 s | 3.9 MPa | 9.7 MPa | 12.1 MPa | 12.1 MPa | 28.9 MPa | 38.1 MPa | 0.018% | 0.109% |
 CV | 7.7% | 7.1% | 6.2% | 5.3% | 4.6% | 4.6% | 4.7% | 9.1% | 6.1% |