矿岩开挖松动区厚度预测及非爆机械化开采判据
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景岳,王少锋,鲁金涛
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Thickness Prediction of the Excavation Damage Zone and Non-explosive Mechanized Mining Criterion
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Yue JING,Shaofeng WANG,Jintao LU
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表4 监测孔基础数据
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Table 4 Base data of monitoring holes
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孔号 | 单轴抗压强度σc/MPa | 岩体质量等级F | 埋深H/m | 岩石容重γ/(kN·m-3) | 开挖跨度S/m | 平均开挖跨度S/m |
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1 | 147.89 | 4 | 490 | 27.048 | 4.94 | 5.06 (左侧:1号~6号孔) | 2 | 147.89 | 4 | 490 | 27.048 | 5.21 | 3 | 147.89 | 4 | 490 | 27.048 | 5.03 | 4 | 147.89 | 4 | 490 | 27.048 | 4.94 | 5 | 147.89 | 4 | 490 | 27.048 | 5.21 | 6 | 147.89 | 4 | 490 | 27.048 | 5.03 | 7 | 147.89 | 4 | 490 | 27.048 | 4.49 | 4.95 (外侧:7号~12号孔) | 8 | 147.89 | 4 | 490 | 27.048 | 5.46 | 9 | 147.89 | 4 | 490 | 27.048 | 4.89 | 10 | 147.89 | 4 | 490 | 27.048 | 4.49 | 11 | 147.89 | 4 | 490 | 27.048 | 5.46 | 12 | 147.89 | 4 | 490 | 27.048 | 4.89 | 13 | 147.89 | 4 | 490 | 27.048 | 5.85 | 4.95 (右侧:13号~18号孔) | 14 | 147.89 | 4 | 490 | 27.048 | 4.81 | 15 | 147.89 | 4 | 490 | 27.048 | 4.20 | 16 | 147.89 | 4 | 490 | 27.048 | 5.85 | 17 | 147.89 | 4 | 490 | 27.048 | 4.81 | 18 | 147.89 | 4 | 490 | 27.048 | 4.20 |
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