| 某隧道口岩石坍塌事故分析 |
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| 引用本文： | 梁开水,张袁娟,钟元清.某隧道口岩石坍塌事故分析[J].爆破,2008,25(4). |
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| 作者姓名： | 梁开水 张袁娟 钟元清 |
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| 作者单位： | 武汉理工大学资源与环境工程学院,湖北武汉,430070;湖北省公安厅,湖北武汉,430070 |
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| 摘 要： | 某隧道口坡体岩石坍塌,造成多人伤亡,国道交通中断.通过现场调查和分析.认为:几乎平行于隧道口高陡边坡面的原生开放性节理面,已使坍塌岩体处于不稳定状态,是发生坍塌事故的内因;而事故前临近的隧道小导洞掘进爆破及其违规作业加剧了节理面进一步张开和延伸,是岩石坍塌的诱因.
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| 关 键 词： | 岩石坍塌 岩石节理 掘进爆破 事故分析 |
Accident Analysis of Rock Collapse in Tunnel Front |
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| HANG Kai-shui,ZHANG Yuan-juan,ZHONG Yuan-qing.Accident Analysis of Rock Collapse in Tunnel Front[J].Blasting,2008,25(4). |
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| Authors: | HANG Kai-shui ZHANG Yuan-juan ZHONG Yuan-qing |
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| Affiliation: | LIANG Kai-shui1,ZHANG Yuan-juan1,ZHONG Yuan-qing2 (1.School of Resources , Environment Engineering,Wuhan University of Technology,Wuhan 430070,China,2.Public Security Department of Hubei Province,China) |
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| Abstract: | A rock collapse in front of tunnel caused many casualties and traffic interrupted of the national highway.Through investigations and analyses of the accident site,the natural open joint almost paralleling to the high and steep slope,which caused the rock in front of tunnel in unstable,was the internal cause of rock collapse.Meanwhile,the tunnel blasting of small heading tunnel before accident happening and its incorrect operations,opened and extended which the joint surface,was the inducement of rock collap... |
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| Keywords: | rock collapse rock joints tunnel blasting accident analysis |
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