A simple plasticity theory for frictional cohesionless soils

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Authors Jean H.Prevost
Journal/Conference Name Soil Dynamics and Earthquake Engineering
Paper Category
Paper Abstract A simple elastic-plastic constitutive model for cohesionless soils is proposed. The model retains the extreme versatility and accuracy of the simple multi-surface J2-theory in describing observed shear nonlinear hysteretic behaviour, shear stress-induced anisotropy; and reflects the strong dilatancy dependency on the effective stress ratio. The theory is applicable to general three-dimensional stress-strain conditions, but its parameters can be derived entirely from the results of conventional laboratory soil tests. A number of examples are presented including an analysis of seismically induced liquefaction behind a retaining structure.
Date of publication 1985
Code Programming Language C++
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