Research Article
Bearing Capacities of Different-Diameter Concrete-Filled Steel Tubes under Axial Compression
Table 3
Mechanical properties and mixture ratio of concrete.
| Prism compressive strength [MPa] | 41.24 | Cube compressive strength [MPa] | 51.51 | Cement [kg⋅m−3] | 270 | Water [kg⋅m−3] | 175 | Sand [kg⋅m−3] | 865 | Stone [kg⋅m−3] | 1015 | Admixtures [kg⋅m−3] | 4.8 | Fly ash [kg⋅m−3] | 67 |
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