| 下穿机场跑道管幕法箱涵顶进的变形规律研究 |
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| 引用本文： | 李名淦,周江天,岑冈.下穿机场跑道管幕法箱涵顶进的变形规律研究[J].特种结构,2006,23(2):78-80,94. |
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| 作者姓名： | 李名淦 周江天 岑冈 |
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| 作者单位： | 北京市市政工程设计研究总院,100045 |
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| 摘 要： | 规划的首都机场捷运系统与汽车通道工程,需下穿正在运营的国际机场跑道,这在国内外尚无先例。为慎重起见,拟采用管幕保护下的顶进法施工。本文针对超长距离管幕掘进、顶进箱涵等多种工况进行数值模拟分析,研究在管幕保护下箱涵顶进时,管幕的变形、地层应力及变位和地表沉降的规律。
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| 关 键 词： | 管幕法 箱涵顶进 数值模拟 变形规律 |
Study on Deformation Rules of Culvert Box Jacking in Pipe-roof under Aircraft Runway |
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| Li Minggan,Zhou Jiangtian,Cen Gang.Study on Deformation Rules of Culvert Box Jacking in Pipe-roof under Aircraft Runway[J].Special Structures,2006,23(2):78-80,94. |
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| Authors: | Li Minggan Zhou Jiangtian Cen Gang |
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| Abstract: | APM & Vehicle tunnels in Planning have to underpass the taxi track and runway in service of Beijing Capital International Airport, which is the first case in the world. For the case of safety, its construction will adopt pipe-roof culvert box jacking method. In order to study the construction of long pipe-roof and culvert box jacking, numerical simulation of construction has been carried out. This paper discusses the rules of pipe-roof deformation, stratum deformation and stress distribution, ground settlement during culvert box jacking in pipe-roof. |
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| Keywords: | Pipe-roof method Culvert box jacking Numerical simulation Deformation rude |
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