Chapter
Jul 21, 2016
Numerical Study on Tunnel Instability in a Fault Zone: A Case Study of the Wuzhuling Tunnel in China
Authors: Yingchao Wang [email protected], Hongwen Jing [email protected], Haijian Su [email protected], and Jiangyue Xie [email protected]Author Affiliations
Publication: Geo-China 2016
Abstract
The impact of fault fracture zone on the stability of surrounding rock in tunnels is a key scientific topics of geologic engineering. In this study, a three-dimensional finite element model was established for Wuzhuling Tunnel of Zhuyong Highway in Zhejiang Province, China. By simulating the dynamic process of tunnel excavation through the fault fracture zone, the deforming performance and stress distribution law of surrounding rock were studied. It indicates that fault fracture zone in the tunnel reduced the stability of surrounding rock. When constructing tunnels in a fault fracture zone, three-dimensional numerical analysis can be performed to find the areas where collapse occurs easily. The study could provide useful information on the potential collapse areas for strengthening the engineering supporting structure and preventing the relative disaster.
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Published In
Geo-China 2016
Pages: 226 - 233
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Jul 21, 2016
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ASCE Technical Topics:
- Analysis (by type)
- Case studies
- Continuum mechanics
- Cracking
- Engineering fundamentals
- Engineering mechanics
- Finite element method
- Fracture mechanics
- Geology
- Geotechnical engineering
- Methodology (by type)
- Models (by type)
- Numerical analysis
- Numerical methods
- Research methods (by type)
- Rocks
- Solid mechanics
- Three-dimensional models
- Tunnels
Authors
Affiliations
Associate Professor, State Key Laboratory for Geomechanics and Deep Underground Engineering, China Univ. of Mining and Technology, Xuzhou, Jiangsu 221116, China. E-mail: [email protected]
Professor, School of Mechanics and Civil Engineering, China Univ. of Mining and Technology, Xuzhou, Jiangsu 221116, China. E-mail: [email protected]
Assistant Researcher, State Key Laboratory for Geomechanics and Deep Underground Engineering, China Univ. of Mining and Technology, Xuzhou, Jiangsu 221116, China. E-mail: [email protected]
Graduate Student, School of Mechanics and Civil Engineering, China Univ. of Mining and Technology, Xuzhou, Jiangsu 221116, China. E-mail: [email protected]
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