| 山区公路隧道初期支护变形下沉垮塌的成因分析与防治措施 |
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| 引用本文： | 齐广林,安春英.山区公路隧道初期支护变形下沉垮塌的成因分析与防治措施[J].内蒙古公路与运输,2009(4):30-32. |
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| 作者姓名： | 齐广林 安春英 |
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| 作者单位： | 1. 内蒙古森工集团森天建设有限公司,内蒙古,牙克石,022150
2. 内蒙古呼伦贝尔市交通局质量监督站 |
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| 摘 要： | 由于山区高速公路隧道地质水文条件复杂,隧道开挖初期支护后,会因地质病害或施工方法不当等原因,造成初期支护变形、下沉、垮塌。这些隧道初支下沉和垮塌的原因基本相同,大都位于洞口段。文章结合大华岭隧道工程实例,就隧道初支下沉垮塌的成因和治理进行了分析和总结。
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| 关 键 词： | 隧道 初支变形 下沉垮塌 原因分析 治理措施 |
Cause analysis on the caving of tunnel lining in the mountainous area after the early deformation by sinking and measures for control |
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| QI Guang-lin,AN Chun-ying.Cause analysis on the caving of tunnel lining in the mountainous area after the early deformation by sinking and measures for control[J].Highways & Transportation in Inner Mongolia,2009(4):30-32. |
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| Authors: | QI Guang-lin AN Chun-ying |
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| Abstract: | The initial deformation, the sinking and the caving of supports occurs at the initial excavation and after supported of tunnel due to the geological disaster or improper construction method, etc. , the complex geological - hydraulic conditions of expressway tunnels in the mountainous area. The causes of these problems, which occur at the openings of tunnel, are the same. This article analyzes, in combination with construction practice of Dahucding Tunnel project, the causes of sinking and caving, and bring them under control. |
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| Keywords: | tunnel deformation of initial support sinking analysis on causes caving measures for control |
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