| 松软特厚煤层9.5m大断面切眼支护技术研究 |
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| 引用本文： | 杨玉树,冯宇.松软特厚煤层9.5m大断面切眼支护技术研究[J].内蒙古煤炭经济,2012(6):27-28. |
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| 作者姓名： | 杨玉树 冯宇 |
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| 作者单位： | 内蒙古蒙泰不连沟煤矿,内蒙古 鄂尔多斯,010303 |
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| 摘 要： | 内蒙古蒙泰不连沟煤矿松软特厚煤层底部9.5m大断面开切眼,支护存在一定难度。分析了顶板岩性及巷道围岩稳定性,根据减跨理论提出了采锚杆、索、梁结合单体的复合支护设计方案,并根据巷道变形监测得出该方案能够有效控制巷道变形。
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| 关 键 词： | 松软特厚煤层 大断面切眼 复合支护 |
Research on soft and thick coal seam,9.5m large sections cut eye support technology |
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| YANG Yu-shu,FengYu.Research on soft and thick coal seam,9.5m large sections cut eye support technology[J].Inner Mongolia Coal Economy,2012(6):27-28. |
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| Authors: | YANG Yu-shu FengYu |
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| Institution: | YANG Yu-shu FengYu |
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| Abstract: | Soft thick coal seam bottom 9.5m of large cross section open-off cut in Inner Mongolia MENGTAIBULIANGOU coal mine,There is a certain degree of difficulty of support.Analysis of roof rock and surrounding rock stability of roadway,According to reducing span theory put forward in application of combined support with high strength resin bolt,net,rjoist steel,single hydraulic prop,And according to the tunnel deformation monitoring shows that the scheme can effectively control the deformation of roadway. |
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| Keywords: | Soft thick coal seam Large section open-off cut Composite support |
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