| 高应力巷道围岩综合控制技术及应用研究 |
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| 引用本文： | 余伟健,高谦. 高应力巷道围岩综合控制技术及应用研究[J]. 煤炭科学技术, 2010, 38(2) |
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| 作者姓名： | 余伟健 高谦 |
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| 作者单位： | 1. 湖南科技大学,煤矿安全开采技术湖南省重点实验室,湖南,湘潭,411201
2. 北京科技大学,土木与环境工程学院,北京,100083 |
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| 基金项目： | 国家自然科学基金资助项目(50874042);;“十一五”国家科技支撑计划资助项目(2008BAB32B01) |
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| 摘 要： | 为了研究高应力巷道围岩的稳定性及其控制技术,基于该类围岩的变形特点,分析了高应力采场巷道稳定性的3种主控影响因素及破坏机理,以适当让压、控制巷道围岩有害变形、及时封底作为支护,以巷道最大允许位移、巷道使用时间、不同围岩或采用不同支护强度的围岩变形速率作为支护的基本原则,提出了一种以预应力锚索为核心的综合锚固控制技术;最后,介绍了该综合控制技术在实施过程中应注意的几个关键问题,如进行合理的初次支护、提高初次支护结构整体强度、进行预应力锚索的二次支护、其他辅助措施等。
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| 关 键 词： | 高应力 巷道围岩 预应力锚索 综合控制技术 |
Surrounding Rock Comprehensive Control Technology and Application to Mine High Stress Roadway |
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| YU Wei-jian,GAO Qian. Surrounding Rock Comprehensive Control Technology and Application to Mine High Stress Roadway[J]. Coal Science and Technology, 2010, 38(2) |
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| Authors: | YU Wei-jian GAO Qian |
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| Affiliation: | 1.Hunan Provincial Key Lab of Mine Safety Mining Technology/a>;Hunan University of Science and Technology/a>;Xiangtan 411201/a>;China/a>;2.School of Civil and Environment Engineering/a>;University of Science and Technology Beijing/a>;Beijing 100083/a>;China |
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| Abstract: | In order to study the stability and control technology of the surrounding rock for the mine high stressed roadway,based on the deformation features of the surrounding rock,the paper analyzed three major control influence factors and the failure mechanism for the stability of the high stressed roadway.With the suitable yielding to control the surrounding rock harmful deformation of the mine roadway,timely sealing the floor as the support of the roadway,based on the max allowed deformation value,roadway appli... |
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| Keywords: | high stress surrounding rock of mine roadway pre-stressed anchor comprehensive control technology |
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