| 河床冲淤引起过江盾构隧道纵向变形的研究 |
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| 引用本文： | 张军,张翅翔.河床冲淤引起过江盾构隧道纵向变形的研究[J].隧道建设,2009,29(2):152-156. |
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| 作者姓名： | 张军 张翅翔 |
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| 作者单位： | 1. 柏诚工程技术（北京）有限公司2. 铁道第二勘察设计院 |
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| 摘 要： | 河床冲淤是引起过江隧道纵向变形的一个主要原因。以杭州地铁2号线钱塘江过江隧道为背景，通过数值模拟和理论计算相结合的方法，阐述河床冲淤引起过江隧道纵向变形的机理，研究通过横断面计算方法导出隧道纵向变形曲线，论证隧道环间连接刚度与纵向变形的关系，并提出了控制纵向变形问题的建议。
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| 关 键 词： | 河床冲淤过江隧道纵向变形变形能管片 |
| 收稿时间： | 2008-10-15 |
| 修稿时间： | 2009-03-09 |
Study on Longitudinal Deformation of River-Crossing Shield-bored Tunnel Caused by Riverbed Scouring and Siltation |
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| ZHANG Jun,ZHANG Chixiang.Study on Longitudinal Deformation of River-Crossing Shield-bored Tunnel Caused by Riverbed Scouring and Siltation[J].Tunnel Construction,2009,29(2):152-156. |
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| Authors: | ZHANG Jun ZHANG Chixiang |
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| Institution: | 1. Parsons Brinckerhoff Engineering Technology (Beijing) Co. Ltd.2. The Second Survey and Design Institute of CREC |
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| Abstract: | One of the main reasons for the longitudinal deformation of river-crossing tunnels is riverbed scouring and siltation.Taking the construction of Qiantang River Crossing Tunnel on No.2 line of Hangzhou Metro as an example,the authors present the mechanisms of the longitudinal deformation of river-crossing tunnels caused by riverbed scouring and siltation by means of numerical simulation and theoretical calculation.Furthermore,they educe the longitudinal deformation curve of the tunnel by means of cross-secti... |
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| Keywords: | riverbed scouring and siltation river-crossing tunnel longitudinal deformation deformation energy segment |
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