新拌再生混凝土的表现密度和抗压强度 | |||||||||
Apparent density and compressive strength of new recycled concrete | |||||||||
编号 | 掺量/% | W/C | 表现密度/(Kg m-3) | 抗压强度/MPa | 抗压强度相对百分比 | ||||
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 |