Test number | Design strength level | Workability description | Slump (mm) | Compressive strength (MPa) | ||
3 days | 7 days | 28 days | ||||
27 | C25 | Good workability, good cohesiveness | 155 | 12.1 | 18.9 | 28.8 |
28 | C25 | Good workability, good cohesiveness | 120 | 12.1 | 18.0 | 31.2 |
29 | C25 | Generality | 90 | 12.0 | 17.1 | 28.3 |
30 | C45 | Average fluidity and good cohesiveness | 130 | 25.2 | 33.5 | 44.1 |
31 | C45 | Poor workability, knotting, bottoming | 80 | 26.1 | 33.6 | 45.0 |
32 | C25 | Good workability, poor cohesiveness | 150 | 16.2 | 19.7 | 27.0 |
33 | C25 | Good workability, good cohesiveness | 130 | 18.0 | 21.7 | 28.1 |
34 | C25 | Good workability | 110 | 16.7 | 20.9 | 24.8 |