| 隧道上方基坑开挖的施工工艺研究 |
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| 引用本文： | 张俊龙,刘国彬,刘浩.隧道上方基坑开挖的施工工艺研究[J].施工技术,2005(Z1). |
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| 作者姓名： | 张俊龙 刘国彬 刘浩 |
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| 作者单位： | 同济大学 上海200092
(张俊龙，刘国彬)，铁道第四勘查设计院 湖北武汉430063(刘浩) |
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| 摘 要： | 上海市东方路下立交工程的N01、N02开挖段位于已运营的地铁二号线正上方。在施工中,采取了各种施工方法以控制下方地铁隧道的位移,包括各种地基加固方法和运用时空效应原理的分段分层开挖等,并辅以自动监测软件对地铁隧道位移进行实时监控,最后将地铁隧道上下行线的隆起分别控制在11.79mm和12.25mm,确保了地铁的运营安全。
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| 关 键 词： | 基坑开挖 隧道 地基加固 |
Research on Construction Technique of Excavation on Tunnels |
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| ZHANG Jun-long,LIU Guo-bin,LIU Hao.Research on Construction Technique of Excavation on Tunnels[J].Construction Technology,2005(Z1). |
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| Authors: | ZHANG Jun-long LIU Guo-bin LIU Hao |
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| Affiliation: | ZHANG Jun-long1,LIU Guo-bin1,LIU Hao2 |
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| Abstract: | The N01 and N02 excavations of Dongfang Road Underpass project are right above the Metro Line II.Different kinds of construction methods have been used to control the displacement of the underlying metro tunnel,including soil consolidation,layer and section excavation based on space-time theory,and at the same time automatic monitoring software is adopted to monitor the displacement of metro tunnel,the ultimate displacements of two metro lines are 11.79mm and 12.25mm,this ensures the safety operation of the metro lines. |
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| Keywords: | excavation tunnel soil consolidation |
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