Research Article
Prediction of Compressive Strength of Concrete in Wet-Dry Environment by BP Artificial Neural Networks
Table 7
Mix design of raw materials.
| Grades | Raw materials (kg/m3) | | Cement | Silica fume | Water | Sand | Coarse aggregate | Gravel | Water reducer | |
| C30 | 375 | — | 200 | 750 | 675 | 450 | — | 0.53 | C50 | 450 | — | 156.1 | 675 | 675 | 450 | 2.0 | 0.35 | C80 | 514 | 57 | 141.65 | 684 | 615.6 | 410.4 | 9.5 | 0.26 |
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