Compressive strength (d/MPa)

Direct tensile,(d/MPa)

Indirect tensile,(d/MPa)

7

28

56

90

180

365

28

56

90

180

365

28

56

90

180

365

5.6

10.8

12.3

12.8

15.1

17.3

0.7

1.06

1.14

1.33

1.44

0.61

1.27

1.29

1.78

1.80