Evolution of the yield curves of porous rock after permanent volumetric strain
John D Bedford1, Dan Faulkner2, Henri Leclere1 and John Wheeler3, (1)University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (2)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, L69, United Kingdom, (3)University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, L69, United Kingdom