NON-LINEAR MODEL OF SMALL-STRAIN BEHAVIOUR OF SOILS

The paper describes a general approach to the development of a constitutive model for predicting the generalized small-strain behaviour of soils. The model incorporates non-linear stress-strain behaviour, stress-path dependence and a consistent definition of the small-strain region (SSR). Based on this general approach, a simple model is proposed which incorporates cross-anisotropic elasticity within the linear elastic region (LER) and elliptical boundaries for the LER and SSR. The model leads to unique normalized stress-strain behaviour of undisturbed Bothkennar clay for the complete range of stress probe directions in triaxial stress space. The comparison confirms the uniqueness of the normalized volumetric and deviatoric stress-strain behaviour. The model can easily be incorporated into numerical procedures for solving two- and three-dimensional boundary value problems. (A)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00168505
• Corporate Authors:

  Thomas Telford Limited

  London,   United Kingdom 
• Authors:
  • PUZRIN, A M
  • Burland, J B
• Publication Date: 1998-4

Language

• English

Media Info

• Features: References;
• Pagination: p. 217-33
• Serial:
  • GEOTECHNIQUE
  • Volume: 48
  • Issue Number: 2
  • Publisher: Thomas Telford Limited
  • ISSN: 0016-8505

Subject/Index Terms

• TRT Terms: Clay; Deformation; Forecasting; Mathematical models; Mechanical elasticity; Plasticity; Stiffness; Stresses
• ITRD Terms: 4177: Clay; 5595: Deformation; 5912: Elasticity; 132: Forecast; 6473: Mathematical model; 5922: Plasticity; 5931: Stiffness; 5575: Stress (in material)
• Subject Areas: Materials; Planning and Forecasting;

Filing Info

• Accession Number: 00749838
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD
• Created Date: Jun 26 1998 12:00AM