Research Article
Flexural Behavior of Corroded Reinforced Recycled Aggregate Concrete Beams
Table 3
Mix proportions of concrete.
| Specimen | Water/binder ratio | Unit weight (kg/m3) | (MPa) | (N/mm2) | Cement | Coal fly ash | Slag | Sand | Gravel | RCA | Water |
| RCB-0 | 0.52 | 227 | 75 | 75 | 910 | 910 | 0 | 195 | 36.1 | 3.18 × 104 | RCB-33 | 0.52 | 227 | 75 | 75 | 910 | 610 | 300 | 195 | 36.4 | 3.05 × 104 | RCB-66 | 0.52 | 227 | 75 | 75 | 910 | 310 | 600 | 195 | 37.4 | 3.05 × 104 | RCB-100 | 0.52 | 227 | 75 | 75 | 910 | 0 | 910 | 195 | 36.6 | 2.38 × 104 | HRCB-0 | 0.39 | 435 | 52 | 52 | 758 | 928 | 0 | 210 | 63.9 | 3.72 × 104 | HRCB-33 | 0.39 | 435 | 52 | 52 | 758 | 623 | 305 | 210 | 57.1 | 3.30 × 104 | HRCB-66 | 0.39 | 435 | 52 | 52 | 758 | 315 | 613 | 210 | 57.9 | 3.02 × 104 | HRCB-100 | 0.39 | 435 | 52 | 52 | 758 | 0 | 928 | 210 | 56.6 | 2.96 × 104 |
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denotes the compressive strength of concrete cubes; denotes the elasticity modulus of concrete. |