Numbering

Ultrasonic speed

of 28 days (m/s)

Compressive strength of 28 days (MPa)

Ultrasonic speed

Of 90 days (m/s)

Compressive strength of 90 days (MPa)

G1

3040

47.3

3170

53.1

G2

2950

42.3

3030

40.3

G3

2900

34.4

2920

39.3

G4

2840

31.1

2920

35.4

G5

2760

29

2880

33.3

G6

2920

38.7

3030

38.8

G7

2960

41.5

3050

47

G8

2970

40.9

3070

43.3

G9

2940

40.2

3060

49.8

G10

2930

36.8

3020

47.9