Research Article
Developing a Higher Performance and Less Thickness Concrete Pavement: Using a Nonconventional Concrete Mixture
Table 4
Flexural strength results at 7 and 28 days.
| | Mixture | Steel slag (% of mass of CM) | Superplasticizer (% of mass of cement) | Steel fibers (% of volume of concrete) | Flexural strength at 7 days (MPa) | Flexural strength at 28 days (MPa) |
| | 1 | 0 | 3 | 0 | 1.8 | 4.8 | | 2 | 0 | 3 | 0.5 | 2.7 | 7.4 | | 3 | 0 | 3 | 1.0 | 3.3 | 8.6 | | 4 | 0 | 3 | 1.5 | 3.5 | 9.2 | | 5 | 0 | 3 | 2.0 | 3.5 | 8.7 | | 6 | 20 | 3 | 0 | 3.1 | 6.6 | | 7 | 20 | 3 | 0.5 | 5.8 | 8.8 | | 8 | 20 | 3 | 1.0 | 7.2 | 9.4 | | 9 | 20 | 3 | 1.5 | 7.7 | 9.7 | | 10 | 20 | 3 | 2.0 | 7.5 | 9 |
|
|
