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Acta Geotechnica

, 1:137 | Cite as

On constitutive modelling of unsaturated soils

  • Antonio GensEmail author
  • Marcelo Sánchez
  • Daichao Sheng
Review Paper

Abstract

The paper presents a review of constitutive modelling of unsaturated soils. After a brief historical perspective, a number of existing constitutive models are classified and discussed according to the type of stress variables adopted in their formulation. Afterwards, attention is given to recent developments in the proposal of coupled hydraulic-mechanical models and the possibility of casting them in a sound thermodynamical framework. Finally, a double structure model for expansive soils is described. The incorporation of microstructural considerations and its use as a platform for incorporating the influence of new variables are highlighted.

Keywords

Unsaturated soils Constitutive models Expansive soils Elastoplasticity Thermodynamics 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  1. 1.Department of Geotechnical Engineering and GeosciencesTechnical University of Catalonia BarcelonaSpain
  2. 2.Department of Civil EngineeringUniversity of StrathclydeGlasgowUK
  3. 3.Discipline of Civil, Surveying and Environmental EngineeringThe University of NewcastleCallaghanAustralia

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