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Three-Dimensional Face Stability Analysis of EPBS Tunnels

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Abstract:

A three-dimensional (3D) failure mechanism, based on the framework of the kinematical approach of limit analysis theory, is applied to calculate the face supporting pressure of a circular tunnel driven by the Earth Pressure Balance Shield (EPBS). The geometry of the mechanisms considered is composed of a sequence of truncated rigid cones. The numerical results obtained are presented.

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Periodical:

Advanced Materials Research (Volumes 378-379)

Pages:

449-452

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.378-379.449

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Online since:

October 2011

Authors:

Xue Gang Huang, Yu You Yang, Gui He Wang

Keywords:

3D Collapse Mechanism, EPBS, Face Stability

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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