| 西藏樟木镇友谊桥3号滑坡破坏机理及防治措施分析 |
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| 引用本文： | 曹松傑,高进,武博强,张超.西藏樟木镇友谊桥3号滑坡破坏机理及防治措施分析[J].路基工程,2021,0(5):219-225. |
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| 作者姓名： | 曹松傑 高进 武博强 张超 |
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| 作者单位： | 1.中交第一公路勘察设计研究院有限公司，西安 710065 |
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| 基金项目： | 国家重点研发计划课题:高陡边坡、高填及特殊路基的健康监测、全生命期安全评价和预警平台（2016YFC0802203） |
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| 摘 要： | 以中尼边境友谊桥#3滑坡治理工程为依托，在现场勘查及室内试验的基础上，深入研究滑坡发育变形历史，分析其成因机制；采用折线滑动法进行天然、暴雨及地震工况下的滑坡稳定性分析。结果显示:滑坡所有计算模型在天然工况下均为稳定状态，大部分剖面模型在降雨工况下呈现欠稳定-基本稳定状态，地震工况下各剖面模型均呈现基本稳定-稳定状态；提出针对性的综合治理方案，效果良好。
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| 关 键 词： | 牵引式滑坡 发育变形 破坏机理 滑坡稳定性 滑坡治理 |
| 收稿时间： | 2021-04-21 |
Analysis of #3 Landslide Failure Mechanism and Prevention Measures of the Youyi (Friendship) Bridge in Zhangmu Town of Tibet |
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| Abstract: | Relying on the control works of No.3 landslide of Friendship Bridge(China Nepal border), based on field investigation and laboratory tests, the history of landslide development and deformation has been deeply studied, and its formation mechanism has been analyzed. The broken line sliding method has been used to analyze the stability of the landslide under natural conditions, heavy rain and earthquake conditions. The results show that all the calculation models of the landslide are stable under natural conditions. While most of the profile models show understable-basically stable state under rainfall condition, and all the profile models show basically stable-stable state under earthquake condition. A targeted comprehensive slide control scheme has been put forward, and the control effect is good. |
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