Table 6 Test results (compressive strength) with the introduction of additive No. 2
From: Research of Nano-modified Plain Cement Concrete Mixtures and Cement-Based Concrete
Day 3 | Day 7 | Day 28 |
|---|---|---|
Cube 1 | Cube 1 | Cube 1 |
2475 g–124 kg/s–38.6 MPa | 2450 g-179 kg/s-55.7 MPa | 2505 g–189 kg/s–59 MPa |
Cube 2 | Cube 2 | Cube 2 |
2440 g–97 kg/s–30.6 MPa | 2460 g–171 kg/s–53.2 MPa | 2490 g–153 kg/s–47.6 MPa |
34.6Â MPa/39.29 | 54.45Â MPa/39.29 | 53.3Â MPa/39.29 |
88% | 138.5% | 135% |