Research Article
Predicting the Compressive Strength of Desert Sand Concrete Using ANN: PSO and Its Application in Tunnel
| | Performance | Results |
| | Density (g/cm3) | 3.12 | | Water consumption for standard consistency (wt %) | 27.3 | | Initial setting time (min) | 184 | | Final setting time (min) | 305 | | Volume stability | Qualified | | Ignition loss (wt %) | 1.21 | | Compressive strength (MPa) (3 d) | 26.2 | | Compressive strength (MPa) (28 d) | 47.8 | | Flexural strength (MPa) (3 d) | 5.2 | | Flexural strength (MPa) (28 d) | 8.0 |
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