Analysis of Stability at Tunnel Entrance&nbsp;|
Due to Different Excavation Methods

JIANG Shu-Bing; LI Jian-Jun; XIE Feng

doi:A

Tunnel Construction >

2007 , Vol. 27 >Issue 增刊: 16 - 20

DOI: https://doi.org/A

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Analysis of Stability at Tunnel Entrance |
Due to Different Excavation Methods

JIANG Shu-Bing ,
LI Jian-Jun ,
XIE Feng

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1. Chongqing Communications Research and Design Institute, Chongqing 400067；
2.Chongqing Communications Engineering Quality Supervision Office, Chongqing 400060

Received date: 2007-07-12

Online published: 2010-04-20

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Abstract

The excavation without front slope at the tunnel entrance is presented in this paper. The traditional method and advanced entrance construction method (AECM) are conpared with nurmerical simulations in the construction of Dadongling highway tunnel which located on HongYou highway in Chongqing. According to the comparison of displacement, stress and stability in the case of without anchoring and shotcreting, the theoretical support of AECM is given.

Key words： ; highway tunnel AECM traditional method numerical simulation comparison

Cite this article

JIANG Shu-Bing , LI Jian-Jun , XIE Feng . Analysis of Stability at Tunnel Entrance |
Due to Different Excavation Methods[J]. Tunnel Construction, 2007 , 27(增刊) : 16 -20 . DOI: A

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