Chapter
Apr 26, 2012
Optimal Analysis of Construction Schemes for Twin Tunnel Based on Back Analysis
Authors: W. Q. Ding [email protected], X. X. Wang, Y. Cheng, H. H. Zhu, and D. W. XieAuthor Affiliations
Publication: Underground Construction and Ground Movement
Abstract
The construction process of twin tunnel is very complex, and the different construction schemes will cause obviously different mechanical behavior, so it is necessary to make optimal analysis of construction schemes for twin tunnel. In this paper, a finite element forward analysis and back analysis program for twin tunnel is established, which can simulate the construction process under the three-heading construction method and benching tunneling construction method, the settlement of crown and ground, stress of the middle wall and the stability of the surrounding rock are analyzed and compared by back analyzed parameters of the surrounding rock, then the advantages of the two methods are compared and practical construction scheme is optimized.
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© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Construction engineering
- Construction management
- Construction methods
- Engineering fundamentals
- Failure analysis
- Finite element method
- Geotechnical engineering
- Methodology (by type)
- Numerical methods
- Special condition construction
- Stress (by type)
- Stress analysis
- Structural analysis
- Structural engineering
- Tunneling
- Tunnels
- Underground construction
Authors
Affiliations
Department of Geotechnical Engineering, School of Civil Engineering, Tongji University, 200092, Shanghai, P.R.China.E-mail: [email protected]
X. X. Wang
Department of Geotechnical Engineering, School of Civil Engineering, Tongji University, 200092, Shanghai, P.R.China
Y. Cheng
Zhejiang Provincial Transportation Engineering Construction Group Co. LTD, Zhejiang, 310003, P.R.China
H. H. Zhu
Department of Geotechnical Engineering, School of Civil Engineering, Tongji University, 200092, Shanghai, P.R.China
D. W. Xie
Department of Geotechnical Engineering, School of Civil Engineering, Tongji University, 200092, Shanghai, P.R.China
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