| 高应力区穿层大巷围岩变形特征及其控制 |
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| 引用本文： | 任建喜,孙扬,陈新年.高应力区穿层大巷围岩变形特征及其控制[J].煤炭工程,2010(3). |
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| 作者姓名： | 任建喜 孙扬 陈新年 |
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| 作者单位： | 西安科技大学,建筑与土木工程学院,陕西,西安,710054 |
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| 基金项目： | 教育部科学技术研究重点项目(207119);;陕西省教育厅专项基金(08JK362) |
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| 摘 要： | 高应力区巷道支护技术成为制约煤矿安全生产的难题之一。魏家地煤矿1070运输大巷受高应力软岩及穿层构造的影响,经过多次返修,仍然处于不稳定状态,变形严重,影响巷道的安全使用。分析了高应力来源,1070运输大巷的破坏特征和形成原因,基于不同特征段围岩松动圈测试结果,提出了以锚网(索)加锚注为主的返修方案。现场试验表明:返修后巷道变形稳定且在允许的范围内,该返修支护方案是合理的。
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| 关 键 词： | 煤矿 高应力 弱结构软岩巷道 破坏规律 控制技术 |
Features and control of surrounding rock deformation in mine roadway in high stressed area passed through strata |
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| REN Jian-xi,SUN Yang,CHEN Xinnian.Features and control of surrounding rock deformation in mine roadway in high stressed area passed through strata[J].Coal Engineering,2010(3). |
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| Authors: | REN Jian-xi SUN Yang CHEN Xinnian |
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| Affiliation: | School of Architecture and Civil Engineering/a>;Xi'an University of Science and Technology/a>;Xi'an 710054/a>;China |
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| Abstract: | The support technology of the mine roadway in the high stress zone has become one of the difficulties to restrain the mine safety and production.The 1070 transportation roadway in Weijiadi Mine was influenced by the high stress soft rock and the tectonics passed.Though several repairs and maintenances conducted,the transportation roadway was still in unstable state and serious in deformation.The safety application of the mine roadway was influenced.The paper analyzed the high stress sources coming from,the ... |
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| Keywords: | coal mine high stress weak structure soft rock mine roadway failure law control technology |
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