1963
DOI: 10.1680/geot.1963.13.3.211
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Yielding of Clays in States Wetter than Critical

Abstract: Synopsis The consequences of the assumption that soil is an isotropic, elasto-plastic, continuous medium are examined. A new energy equation is proposed, well supported by experimental evidence, from which a stress-strain relationship is developed for virgin and lightly overconsolidated clays. An alternative stress-strain relationship is derived from the “normality condition” specified in the theory of plasticity, and this is shown to be identical to that proposed by Roscoe and Poorooshasb (1963). These two r… Show more

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Cited by 709 publications
(226 citation statements)
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“…the location of initial conditions compared to the CSL) (Roscoe et al, 1963, Rowe, 1962, Been and Jefferies, 1985. With those specimens on the dry side of CSL, there was dilative behaviour in volumetric strain and peak-softening in stress-strain, and with the specimen on the wet side of CSL, there was volumetric contraction and hardening in deviatoric stress.…”
Section: Stress-strain Behaviourmentioning
confidence: 97%
“…the location of initial conditions compared to the CSL) (Roscoe et al, 1963, Rowe, 1962, Been and Jefferies, 1985. With those specimens on the dry side of CSL, there was dilative behaviour in volumetric strain and peak-softening in stress-strain, and with the specimen on the wet side of CSL, there was volumetric contraction and hardening in deviatoric stress.…”
Section: Stress-strain Behaviourmentioning
confidence: 97%
“…Several more or less theoretical relations have been proposed. Roscoe et al (1963) proposed a single-parameter equation on the basis of energy considerations. Another single-parameter equation was put forward by Rowe (1971), namely…”
Section: The Mobilised Dilatancy Anglementioning
confidence: 99%
“…However, the writers believe that the above findings would be valid only for states of stable plastic yielding, as discussed below. Further, the theoretical basis for such findings can be traced to the original Cam-clay model (Roscoe et al, 1963).…”
mentioning
confidence: 99%