Table 5 Compressive and Tensile strength of the concrete mix
From: Flexural performance of rapid-hardening concrete (RHC) beams with tension lap splice
Concrete mix | Ages | Compressive strength (MPa) | Tensile strength (MPa) |
|---|---|---|---|
RHC | 8 h | 31.0 | 3.0 |
16 h | 39.0 | 4.2 | |
24 h | 44.5 | 5.8 | |
3D | 63.4 | 8.9 | |
7D | 70.0 | 10.1 | |
28D | 81.2 | 11.1 | |
56D | 85.1 | 11.6 | |
90D | 90.0 | 11.9 | |
NC | 24 h | 10.0 | 2.3 |
3D | 20.0 | 4.0 | |
7D | 31.8 | 4.7 | |
28D | 50.0 | 5.6 | |
56D | 53.1 | 5.8 | |
90D | 55.2 | 6.0 |