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| 新拌再生混凝土的表現(xiàn)密度和抗壓強度 | |||||||||
| Apparent density and compressive strength of new recycled concrete | |||||||||
| 編號 | 摻量/% | W/C | 表現(xiàn)密度/(Kg m-3) | 抗壓強度/MPa | 抗壓強度相對百分比 | ||||
| 7d | 28d | 90d |  |  |  | ||||
| N1 | 0 | 0.55 | 2 440 | 23.6 | 33.2 | 40.2 | 100 | 100 | 100 |
| RG13 | 30RG | 0.55 | 2 430 | 21.3 | 31.4 | 37.1 | 90.3 | 94.8 | 92.4 |
| RG15 | 50RG | 0.55 | 2 412 | 19.2 | 28.8 | 37.4 | 81.5 | 91.5 | 93.1 |
| RG17 | 70RG | 0.55 | 2 391 | 20.9 | 30.7 | 37.6 | 88.7 | 92.6 | 93.6 |
| RG110 | 100RG | 0.55 | 2 382 | 20.4 | 30.8 | 39 | 86.7 | 92.8 | 97.2 |
| RS13 | 30RS | 0.55 | 2 438 | 22.7 | 30.3 | 36.8 | 96.4 | 91.4 | 91.5 |
| RS15 | 50RS | 0.55 | 2 436 | 21.1 | 27.8 | 37.6 | 89.5 | 84 | 93.6 |
| RS17 | 70RS | 0.55 | 2 432 | 20.6 | 29.4 | 37.2 | 87.5 | 88.5 | 92.7 |
| N2 | 0 | 0.35 | 2 459 | 42.8 | 55.2 | 70.9 | 100 | 100 | 100 |
| RG23 | 30RG | 0.35 | 2 436 | 42.7 | 55.1 | 65.4 | 99.6 | 99.8 | 92.2 |
| RG25 | 50RG | 0.35 | 2 425 | 44.5 | 55.5 | 72.7 | 103.8 | 100.5 | 102.5 |
| RG27 | 70RG | 0.35 | 2 402 | 44.5 | 55.5 | 71.7 | 103.8 | 100.5 | 101.2 |
| RG210 | 100RG | 0.35 | 2 375 | 40.5 | 55 | 67.2 | 94.5 | 99.7 | 94.8 |
| RS23 | 30RS | 0.35 | 2 456 | 49.8 | 57.1 | 75.2 | 116.2 | 103.5 | 106.2 |
| RS25 | 50RS | 0.35 | 2 451 | 44.9 | 50.3 | 73 | 104.9 | 91 | 102.9 |
| RS27 | 70RS | 0.35 | 2 449 | 45.4 | 50.4 | 72.6 | 106 | 91.2 | 102.4 |
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