Table 4.
Summary of the mechanical properties of CFGPC.
| Mixes ID | Concrete Density, w (g/cm3) |
Compressive Strength, fc’ (MPa) |
Elastic Modulus, Ec (GPa) |
Indirect Tensile Strength, ft (MPa) |
ft/fc’ | Fly Ash |
|---|---|---|---|---|---|---|
| 1 | 2.26 | 35.40 | 24.29 | 2.93 | 8.28% | CFA1 |
| 2 | 2.30 | 28.99 | 21.25 | 2.66 | 9.18% | CFA1 |
| 3 | 2.24 | 46.18 | 21.19 | 4.00 | 8.66% | CFA2 |
| 4 | 2.27 | 36.10 | 18.47 | 3.81 | 10.55% | CFA2 |
| 5 | 2.25 | 40.48 | 18.95 | 4.14 | 10.23% | CFA2 |
| 6 | 2.25 | 41.36 | 18.87 | 4.19 | 10.13% | CFA2 |
| 7 | 2.22 | 33.52 | 16.74 | 3.37 | 10.05% | CFA3 |
| 8 | 2.23 | 39.07 | 18.2 | 3.57 | 11.70% | CFA3 |
| 9 | 2.24 | 35.03 | 16.97 | 3.28 | 9.36% | CFA3 |
| 10 | 2.22 | 37.12 | 17.78 | 3.26 | 8.78% | CFA3 |
| 11 | 2.21 | 37.69 | 16.99 | 3.60 | 9.55% | CFA3 |
| 12 | 2.22 | 37.21 | 17.9 | 3.65 | 9.81% | CFA3 |
| Ave | 2.24 | 37.35 | 18.97 | 3.54 | 9.69% |