Undrained stability of a circular tunnel where the shear strength increases linearly with depth

@inproceedings{Wilson2011UndrainedSO,
  title={Undrained stability of a circular tunnel where the shear strength increases linearly with depth},
  author={Daniel W. Wilson and Andrew J. Abbo and S. W. Sloan and Andrei Lyamin},
  year={2011}
}
This paper investigates the undrained stability of a plane strain circular tunnel in clay, where the shear strength profile is assumed to increase linearly with depth. Stability solutions for a variety of geometries and soil conditions are found using rigid-block upper bound methods as well as finite element limit analysis (which gives both upper and lower bounds). The latter procedures employ a discrete form of the bound theorems of classical plasticity, use a bespoke conic programming scheme… CONTINUE READING

Citations

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Undrained Stability of Unlined Square Tunnels in Clays with Linearly Increasing Anisotropic Shear Strength

Boonchai Ukritchon, Suraparb Keawsawasvong
  • Geotechnical and Geological Engineering
  • 2019
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