A simple plasticity theory for frictional cohesionless soils

Jean H. Prevost

doi:10.1016/0261-7277(85)90030-0

A simple plasticity theory for frictional cohesionless soils

Jean H. Prevost

Civil & Environmental Engineering

Research output: Contribution to journal › Article › peer-review

413 Scopus citations

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.

Original language	English (US)
Pages (from-to)	9-17
Number of pages	9
Journal	International Journal of Soil Dynamics and Earthquake Engineering
Volume	4
Issue number	1
DOIs	https://doi.org/10.1016/0261-7277(85)90030-0
State	Published - Jan 1985

All Science Journal Classification (ASJC) codes

General Engineering

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10.1016/0261-7277(85)90030-0

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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.",

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AB - 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.

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A simple plasticity theory for frictional cohesionless soils

Abstract

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