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 |