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MODERN TUNNELLING TECHNOLOGY 2012, Vol. 49 Issue (1) :53-59    DOI:
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A Study of the Failure Features and Stability of Surrounding Rock of the Chuanzhusi Tunnel Passing Through the Ancient Landslide
(1 State Key Laboratory of Geo-Hazard Prevention and Geo-Environment Protection, Chengdu University of Technology, Chengdu 610059; 2 Public Geological Survey Management Center in Anhui Province, Hefei 230040)
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Abstract  Based on the geological conditions of the Chuanzhusi Tunnel, which passes through an ancient landslide, a site investigation found that the surrounding rock deformation and failure modes of the tunnel are mainly tunnel collapse, spalling and dropping. The three-dimensional finite element numerical simulation of the stability of surrounding rock by FLAC3D showed that the self-stability of the fractured rock mass is poor and the deformation modes are mainly of the elastic-plastic and relaxation varieties. Support with an H-beam steel framework played a positive role regarding the stability of fractured surrounding rock
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LIU Hai-1
2
SHEN Jun-Hui-1
CHEN Hua-1
WANG Xu-Dong-2
BING Guo-Lin-1
Keywords：     Chuanzhusi Tunnel   Deformation and failure of surrounding rock   Stability of surrounding rock   FEM numerical simulation     
Abstract：  Based on the geological conditions of the Chuanzhusi Tunnel, which passes through an ancient landslide, a site investigation found that the surrounding rock deformation and failure modes of the tunnel are mainly tunnel collapse, spalling and dropping. The three-dimensional finite element numerical simulation of the stability of surrounding rock by FLAC3D showed that the self-stability of the fractured rock mass is poor and the deformation modes are mainly of the elastic-plastic and relaxation varieties. Support with an H-beam steel framework played a positive role regarding the stability of fractured surrounding rock
Keywords：  ,   Chuanzhusi Tunnel,   Deformation and failure of surrounding rock,   Stability of surrounding rock,   FEM numerical simulation     
published: 2011-11-04
Cite this article:   
LIU Hai-1, 2 , SHEN Jun-Hui-1 etc .A Study of the Failure Features and Stability of Surrounding Rock of the Chuanzhusi Tunnel Passing Through the Ancient Landslide[J]  MODERN TUNNELLING TECHNOLOGY, 2012,V49(1): 53-59
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http://www.xdsdjs.com/EN/      或     http://www.xdsdjs.com/EN/Y2012/V49/I1/53
　
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