| 复合顶板巷道变形破坏特征与锚杆支护技术 |
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| 引用本文： | 高峰,李纯宝,张树祥.复合顶板巷道变形破坏特征与锚杆支护技术[J].煤炭科学技术,2011,39(8):23-25,34. |
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| 作者姓名： | 高峰 李纯宝 张树祥 |
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| 作者单位： | 山东大统矿业有限公司调度室,山东兖州,273155 |
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| 基金项目： | 国家自然科学基金资助项目(50874103); 江苏省自然科学基金重点项目(BK2008135); 大同大学博士科研启动基金资助项目(2010016); 山西省科学技术发展计划项目(20100322013) |
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| 摘 要： | 为解决辛置煤矿复合顶板巷道支护困难,通过理论分析、数值模拟并结合工程实践,对复合顶板巷道变形破坏机理及相应的锚杆支护技术进行了研究。结果表明：复合顶板的变形破坏主要因锚杆的主动支护作用较差,加之复合顶板各岩层的节理裂隙发育,使复合顶板的初期离层量和变形量较大,顶板的稳定性持续恶化,最终导致复合顶板的大变形以至破坏。因此应提高锚杆（索）的预紧力,增强支护系统护表功能并加强锚索支护强度,以充分发挥锚杆（索）的主动支护作用。
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| 关 键 词： | 复合顶板 巷道变形 破坏机理 锚杆支护 |
Deformation Failure Featuresand Bolt Support Technology of Mine Gateway with Complex Roof |
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| GAO Feng,LI Chun-bao,ZHANG Shu-xiang.Deformation Failure Featuresand Bolt Support Technology of Mine Gateway with Complex Roof[J].Coal Science and Technology,2011,39(8):23-25,34. |
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| Authors: | GAO Feng LI Chun-bao ZHANG Shu-xiang |
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| Affiliation: | GAO Feng1,LI Chun-bao2,ZHANG Shu-xiang3(1.School of Coal Engineering,Shanxi Datong University,Datong 037003,China,2.Wali Mine,Longkou Mining Group Corporation Ltd.,Longkou 265700,3.Dispatching Office,Shandong Datong Mining Corporation Ltd.,Yanzhou 273155,China) |
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| Abstract: | In order to solve the roof support problem of the mine roadway with complex roof in Xinzhi Mine,with the theoretical analysis,numerical simulation and the engineering practices,a study on the deformation failure mechanism and the related bolt support technology of the mine roadway with the complex roof was conducted.The results showed that the deformation failure of the complex roof mainly was caused by the poor active support function of the bolt.The joint crack development of each stratum in the complex r... |
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| Keywords: | complex roof gateway deformation failure mechanism bolt support |
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