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Flexural strength of self-compacted concrete, before and after the addition of different concentrations of ZnO nanoparticles.
| Sample Designation | ZnO Nanoparticles (%) | Split Tensile Strength (MPa) | |||
|---|---|---|---|---|---|
| 7 Days | 14 Day | 21 Days | 28 Days | ||
| Control | 0 | 2.0 | 2.3 | 2.1 | 2.0 |
| S1 | 0.05 | 2.3 | 2.4 | 2.3 | 2.1 |
| S2 | 0.1 | 2.8 | 2.7 | 2.3 | 2.0 |
| S3 | 0.2 | 3.1 | 3.2 | 2.4 | 2.2 |
| S4 | 0.5 | 4.0 | 3.6 | 2.2 | 2.3 |
| S5 | 1.0 | 3.0 | 3.5 | 2.3 | 2.2 |
Water was used to make the cement paste + ZnO nanoparticles with the ratio of 0.40.
