采矿废石—尾砂混合骨料在下向分层进路胶结充填采矿中应用的试验研究
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何建元,李宏业,高谦,尹升华
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Experimental Research on Application of Mixed Aggregate of Mining Waste Rock and Tailings in Downward Layered Approach and Cemented Filling Mining Method HE Jianyuan1，LI Hongye1，GAO Qian2，YIN Shenghua2
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表5 金川矿山工业试验进路胶结充填体强度测试结果
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Table 5 Test results of strength of roadway cemented filling body based on industrial test in Jinchuan mine
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| 采场位置 | 测点距进路口距离/m | 测点高度/m | 充填体强度/MPa | 采场位置 | 测点距进路口距离/m | 测点高度/m | 充填体强度/MPa |
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| 1 | 5 | 2.5 | 4.32 | 2 | 0 | 2.5 | 6.43 | | 1 | 5 | 2.0 | 5.00 | 2 | 0 | 2.0 | 5.40 | | 1 | 5 | 1.5 | 4.65 | 2 | 0 | 1.5 | 6.78 | | 1 | 5 | 1.0 | 5.31 | 2 | 0 | 1.0 | 6.58 | | 1 | 5 | 0.5 | 6.13 | 2 | 0 | 0.5 | 8.39 | | 1 | 10 | 2.5 | 4.89 | 2 | 5 | 2.5 | 4.94 | | 1 | 10 | 2.0 | 4.51 | 2 | 5 | 2.0 | 5.37 | | 1 | 10 | 1.5 | 4.73 | 2 | 5 | 1.5 | 6.08 | | 1 | 10 | 1.0 | 5.14 | 2 | 5 | 1.0 | 6.34 | | 1 | 10 | 0.5 | 5.50 | 2 | 5 | 0.5 | 7.44 | | 1 | 20 | 2.5 | 4.51 | 2 | 25 | 2.0 | 5.36 | | 1 | 20 | 2.0 | 4.20 | 2 | 25 | 1.5 | 5.16 | | 1 | 20 | 1.5 | 5.16 | 2 | 25 | 1.0 | 5.83 | | 1 | 20 | 1.0 | 4.46 | 2 | 25 | 0.5 | 8.57 | | 1 | 20 | 0.5 | 5.33 | 2 | 35 | 1.5 | 5.24 | | 1 | 30 | 2.0 | 4.30 | 2 | 35 | 1.0 | 6.16 | | 1 | 30 | 1.5 | 4.88 | 2 | 35 | 0.5 | 6.93 | | 1 | 30 | 1.0 | 4.62 | 2 | 45 | 1.0 | 6.82 | | 1 | 30 | 0.5 | 4.95 | 2 | 45 | 0.5 | 7.30 | | 1 | 40 | 2.0 | 4.33 | 2 | 50 | 1.0 | 5.63 | | 1 | 40 | 1.5 | 4.55 | 2 | 50 | 0.5 | 7.55 | | 1 | 40 | 1.0 | 6.46 | 3 | 0 | 1.0 | 4.99 | | 1 | 40 | 0.5 | 5.50 | 3 | 0 | 0.5 | 6.44 | | 1 | 50 | 1.5 | 4.93 | 3 | 5 | 1.0 | 5.99 | | 1 | 50 | 1.0 | 4.66 | 3 | 5 | 0.5 | 7.00 | | 1 | 50 | 0.5 | 6.14 | | | | |
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