Table 1 Concrete composition and properties.
Material type | Cementitious material | Fine aggregate | Coarse aggregate | Admixture | Water | ||
|---|---|---|---|---|---|---|---|
Main component | Cement | Manufactured sand | Gravel | Pumping agent | / | ||
Key technical index | / | Fineness modulus | 3.2 | Maximum size | 25 mm | / | / |
Clay content | 0.30% | Minimum size | 5 mm | ||||
/ | / | Gradation | continuous | ||||
Weight ratio | 1 | 1.71 | 2.26 | 0.05 | 0.39 | ||
Material dosage per m³ | 440 | 752 | 996 | 22.1 | 170 | ||
(kg/m3) | |||||||