Research Article
Carbonation Characteristics and Bearing Capacity Attenuation of Loaded RC Beam Coupled with Chloride Erosion
Table 2
Mix proportion of concrete and compressive/tensile strength.
| | Concrete grade | Cement (kg/m3) | Water (kg/m3) | Sand (kg/m3) | Crushed stone (kg/m3) | Admixture (kg/m3) | Compressive strength fc (MPa) | Tensile strength ft (MPa) |
| | C40 | 426 | 162 | 763 | 1014 | 8.5 | 43.05 | 1.20 | | C50 | 490 | 162 | 594 | 1206 | 8.8 | 54.04 | 1.32 |
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