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Observations on Mohr-Coulomb plasticity under plane strain (2013)
Journal Article
Coombs, W., Crouch, R., & Heaney, C. (2013). Observations on Mohr-Coulomb plasticity under plane strain. Journal of Engineering Mechanics, 139(9), 1218-1228. https://doi.org/10.1061/%28asce%29em.1943-7889.0000568

Linear elastic-perfect plasticity using the Mohr-Coulomb yield surface is one of the most widely used pressure-sensitive constitutive models in engineering practice. In the area of geotechnical engineering a number of problems, such as cavity expansi... Read More about Observations on Mohr-Coulomb plasticity under plane strain.

A unique Critical State two-surface hyperplasticity model for fine-grained particulate media (2013)
Journal Article
Coombs, W., Crouch, R., & Augarde, C. (2013). A unique Critical State two-surface hyperplasticity model for fine-grained particulate media. Journal of the Mechanics and Physics of Solids, 61(1), 175-189. https://doi.org/10.1016/j.jmps.2012.08.002

Even mild compression can cause re-arrangement of the internal structure of clay-like geomaterials, whereby clusters of particles rotate and collapse as face-to-face contacts between the constituent mineral platelets increase at the expense of edge-t... Read More about A unique Critical State two-surface hyperplasticity model for fine-grained particulate media.