基于正交试验的细尾砂—分级尾砂充填体强度研究
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黄仁东,李哲
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Study on the Strength of Fine Tailings-graded Tailings Packing Body Based on Orthogonal Test
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Rendong HUANG,Zhe LI
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表5 充填配比试验结果
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Table 5 Test results of filling ratio
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试验序号 | A/% | B/% | C/‰ | D/% | 3 d抗压强度/MPa | 7 d抗压强度/MPa | 28 d抗压强度/MPa | 扩散度/cm |
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1 | 62 | 33 | 0 | 30 | 0.75 | 1.30 | 2.74 | 43.3 | 2 | 62 | 25 | 1 | 40 | 0.50 | 0.72 | 1.54 | 46.7 | 3 | 62 | 20 | 2 | 50 | 0.35 | 0.49 | 0.76 | 36.1 | 4 | 62 | 17 | 3 | 60 | 0.22 | 0.33 | 0.55 | 35.6 | 5 | 62 | 14 | 4 | 70 | 0.18 | 0.26 | 0.45 | 31.1 | 6 | 64 | 33 | 1 | 50 | 0.85 | 1.75 | 3.41 | 36.0 | 7 | 64 | 25 | 2 | 60 | 0.55 | 1.00 | 1.77 | 32.3 | 8 | 64 | 20 | 3 | 70 | 0.45 | 0.68 | 1.02 | 25.0 | 9 | 64 | 17 | 4 | 30 | 0.39 | 0.70 | 1.30 | 49.9 | 10 | 64 | 14 | 0 | 40 | 0.15 | 0.30 | 0.43 | 35.3 | 11 | 66 | 33 | 2 | 70 | 1.05 | 2.50 | 4.53 | 32.0 | 12 | 66 | 25 | 3 | 30 | 0.85 | 1.33 | 3.29 | 48.8 | 13 | 66 | 20 | 4 | 40 | 0.70 | 1.08 | 2.04 | 43.0 | 14 | 66 | 17 | 0 | 50 | 0.42 | 0.97 | 0.89 | 27.3 | 15 | 66 | 14 | 1 | 60 | 0.31 | 0.47 | 0.81 | 22.0 | 16 | 68 | 33 | 3 | 40 | 1.82 | 2.32 | 7.93 | 47.0 | 17 | 68 | 25 | 4 | 50 | 1.05 | 2.03 | 4.40 | 39.0 | 18 | 68 | 20 | 0 | 60 | 0.66 | 0.73 | 2.63 | 16.5 | 19 | 68 | 17 | 1 | 70 | 0.38 | 0.45 | 1.27 | 18.1 | 20 | 68 | 14 | 2 | 30 | 0.35 | 0.53 | 1.36 | 43.6 | 21 | 70 | 33 | 4 | 60 | 2.00 | 4.70 | 7.85 | 36.5 | 22 | 70 | 25 | 0 | 70 | 1.19 | 1.37 | 5.28 | 14.0 | 23 | 70 | 20 | 1 | 30 | 1.00 | 2.13 | 4.45 | 31.5 | 24 | 70 | 17 | 2 | 40 | 0.58 | 0.71 | 2.06 | 28.3 | 25 | 70 | 14 | 3 | 50 | 0.46 | 0.55 | 1.72 | 21.6 |
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