Chapter
Dec 8, 2014
Numerical Research on the Influence of Stress Release on Tunnel Face Stability
Authors: Fengtao Li [email protected], Wei Liu, Ph.D., Xiaowu Tang, and Penglu GanAuthor Affiliations
Publication: ICPTT 2014: Creating Infrastructure for a Sustainable World
Abstract
In this paper, the tunnel face stability is studied by investigating the stress release on the tunnel face. The ultimate stress release rate, the pattern of the failure mechanism and displacement obtained are discussed in detail. The support pressure assumed to resist the earth pressure is introduced and a comparative study was made with the results of the centrifuge model tests by Chambon (1994). The influence of diameter D and cover depth ratio C/D on ultimate stress release rate and support pressure are also given.
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Published In
ICPTT 2014: Creating Infrastructure for a Sustainable World
Pages: 799 - 807
Copyright
© 2014 American Society of Civil Engineers.
History
Published online: Dec 8, 2014
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Authors
Affiliations
Master's Student, Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou, 310058. E-mail: [email protected]
Wei Liu, Ph.D.
Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou, 310058
Xiaowu Tang
Professor, Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou, 310058
Penglu Gan
Ph.D. Student, Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou, 310058
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