Table 1 Test results of mechanical properties of concrete with different fibre content.
Strength grade | vf (%) | Cubic compressive strength fcu (MPa) | Axial compressive strength fc (MPa) | Splitting tensile strength ft (MPa) | Modulus of elasticity Ec (× 104 MPa) |
|---|---|---|---|---|---|
C40 | 0 | 40.4 | 33.3 | 2.37 | 3.25 |
0.8 | 46.2 | 37.4 | 2.76 | 3.93 | |
1.2 | 45.9 | 41.0 | 3.32 | 4.42 | |
1.6 | 50.3 | 41.2 | 3.81 | 4.68 | |
2.0 | 53.7 | 45.8 | 4.17 | 4.58 | |
C50 | 0 | 46. 7 | 38.2 | 3.11 | 3.78 |
0.8 | 48. 9 | 39.6 | 3.46 | 4.51 | |
1.2 | 61.2 | 48.4 | 3.60 | 4.92 | |
1.6 | 57.3 | 48.9 | 4.27 | 4.89 | |
2.0 | 60.4 | 49.1 | 4.42 | 5.24 |
