| 隧道洞口边仰坡稳定性预警与控制 |
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| 引用本文： | 何东. 隧道洞口边仰坡稳定性预警与控制[J]. 施工技术, 2011, 40(7): 67-70 |
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| 作者姓名： | 何东 |
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| 作者单位： | 贵州高速公路开发总公司,贵州,贵阳,550004 |
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| 摘 要： | 通过对厦蓉线广以隧道左线进口边仰坡在隧道施工过程中变形稳定性变化的分析,结合对拱顶下沉、周边收敛变形和地表位移的监测分析,及时提出了边仰坡异常变形预警,并结合隧道开挖、地质情况、降雨以及加固处理等凶素,对监测成果和变形原因进行了分析,提出了有效的险情控制措施,使隧道边仰坡稳定性得到控制,确保了工程安全.
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| 关 键 词： | 隧道洞口 边仰坡 稳定性 安全监测 预警 |
Pre-warning and Control of Side Upward Slope Stability of Tunnel Entrance |
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| He Dong. Pre-warning and Control of Side Upward Slope Stability of Tunnel Entrance[J]. Construction Technology, 2011, 40(7): 67-70 |
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| Authors: | He Dong |
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| Affiliation: | He Dong(Guizhou Expressway Development Corporation,Guiyang,Guizhou 550004,China) |
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| Abstract: | Based on the deformation stability analysis of side upward slope in the left tunnel entrance of Guangyi tunnel in Xiamen-Chengdu expressway,pre-warning of abnormal deformation is presented in time combining with the monitoring of vault settlement,surrounding convergency deformation and surface displacement.The causes of deformation and monitoring results are analyzed combined with tunnel excavation,geological condition,rainfall and reinforcement treatment,etc.Furthermore,control measures are proposed which ... |
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| Keywords: | tunnel entrance side upward slope stability safety monitoring pre-warning |
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