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Numerical analysis of tunnelling in sand - a case study of a centrifuge test
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Yang, B. and Bloodworth, Alan G. (2018) Numerical analysis of tunnelling in sand - a case study of a centrifuge test. In: Zhang, Dongmei and Huang, Xin, (eds.) Proceedings of GeoShanghai 2018 International Conference: Tunnelling and Underground Construction. Singapore: Springer, pp. 251-259. ISBN 9789811300172
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Official URL: https://www.worldcat.org/title/proceedings-of-geos...
Abstract
Ground movement induced by TBM tunnelling in sand has been the subject of much discussion in recent years. It is commonly agreed that prediction of the ground movement trough in cohesionless soil is not easy. The main cause of ground movement in TBM projects is the tunnel volume loss induced by shield over-cutting and the dimensional difference between the shield and the lining. Numerical modelling could be a useful tool for ground movement prediction especially when dealing with projects where complex underground structures and strata distributions are involved. This paper employs the commercial FEM software Plaxis 3D in simulating of a centrifuge TBM tunnelling prototype using the constitutive model suggested by the software in analyzing behaviour of sands. Some popular empirical and analytical approaches of predicting ground movements are also adapted for the purpose of comparing with the numerical results.
Item Type: | Book Item | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Publisher: | Springer | ||||||||
Place of Publication: | Singapore | ||||||||
ISBN: | 9789811300172 | ||||||||
Book Title: | Proceedings of GeoShanghai 2018 International Conference: Tunnelling and Underground Construction | ||||||||
Editor: | Zhang, Dongmei and Huang, Xin | ||||||||
Official Date: | 2018 | ||||||||
Dates: |
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Number of Pages: | 11 | ||||||||
Page Range: | pp. 251-259 | ||||||||
Status: | Not Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 23 July 2018 | ||||||||
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