Analysis on Effect of Pipe Forepoling Installed for Asymmetricallyloaded 
Sections of Doublearch Tunnels: Case Study on Fuxi Tunnel in China

CAO Guang-Lun; XU An-Cheng; DUAN Hai-Peng; LIU Bao-Guo

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Tunnel Construction >

2007 , Vol. 27 >Issue 2: 24 - 27,39

DOI: https://doi.org/A

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Analysis on Effect of Pipe Forepoling Installed for Asymmetricallyloaded
Sections of Doublearch Tunnels: Case Study on Fuxi Tunnel in China

CAO Guang-Lun ,
XU An-Cheng ,
DUAN Hai-Peng ,
LIU Bao-Guo

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1. Anhui Provincial Communications Investment Group Co., Ltd2. The Air Force Engineering Design &|Research Institute3. School of Civil Engineering and Architecture, Beijing Jiaotong University

Received date: 2006-11-16

Revised date: 2007-01-10

Online published: 2009-12-03

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Abstract

In the paper, analysis is made on the advance reinforcement effect of the pipe forepoling installed for the asymmetricallyloaded entrance portal section of Fuxi doublearch tunnel by means of 3D elasticplastic finite difference method. Conclusion is drawn that obvious reinforcement effect can be achieved in soft ground by means of pipe forepoling and that unbalanced design of the pipe forepoling should be made for asymmetricallyloaded sections of doublearch tunnels. The paper can provide reference for the design and construction of similar works.

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CAO Guang-Lun , XU An-Cheng , DUAN Hai-Peng , LIU Bao-Guo . Analysis on Effect of Pipe Forepoling Installed for Asymmetricallyloaded
Sections of Doublearch Tunnels: Case Study on Fuxi Tunnel in China[J]. Tunnel Construction, 2007 , 27(2) : 24 -27,39 . DOI: A

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