Table 2 Mechanical properties of the concrete.
Position | Batch | The compressive cube strength (fcu, MPa) | |||
|---|---|---|---|---|---|
Sample 1 | Sample 2 | Sample 3 | Average value | ||
Substrate | 1 | 66.4 | 64.4 | 72.8 | 67.8 |
2 | 51.1 | 49.8 | 49.2 | 50.0 | |
3 | 39.0 | 36.9 | 40.8 | 38.9 | |
4 | 34.5 | 30.6 | 30.4 | 31.8 | |
5 | 30.0 | 28.5 | 27.1 | 28.5 | |
6 | 36.8 | 31.7 | 30.2 | 32.9 | |
7 | 45.0 | 45.3 | 45.5 | 45.3 | |
8 | 37.5 | 33.4 | 37.3 | 36.0 | |
9 | 22.1 | 23.3 | 24.3 | 23.2 | |
10 | 37.0 | 32.0 | 30.6 | 33.2 | |
11 | 56.0 | 50.4 | 51.7 | 52.7 | |
Overlay | 1 | 61.6 | 62.5 | 63.3 | 62.5 |
2 | 48.3 | 46.0 | 43.0 | 45.8 | |
3 | 44.0 | 40.8 | 40.7 | 41.8 | |
4 | 33.5 | 37.1 | 29.3 | 33.0 | |
5 | 30.0 | 30.3 | 30 | 30.1 | |
6 | 31.1 | 28.9 | 30.3 | 30.1 | |
7 | 47.1 | 51.2 | 49.4 | 49.3 | |
8 | 39.3 | 36.5 | 38.6 | 38.1 | |
9 | 25.5 | 26.2 | 23.3 | 25.0 | |
10 | 34.5 | 32.7 | 35.9 | 34.3 | |
11 | 45.3 | 50.7 | 45.0 | 35.0 | |
