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