CONSTITUTIVE MODELLING OF UNSATURATED SOILS USING HYPERELASTICITY THEORY

Hyperelasticity theory has been used to formulate a second-order constitutive model for unsaturated soils, treating stress and suction as independent variables. To determine the model parameters, triaxial tests have been performed on a well graded GRAVEL, with a maximum particle size of 14mm. The tests include isotropic compression and constant mean normal stress loading paths. It has been found that the determination of material parameters for such a model is complex and parameter adjustment may be necessary to improve model performance. (A) For the covering abstract see IRRD 881647.

Language

  • English

Media Info

  • Features: References;
  • Pagination: p. 681-6

Subject/Index Terms

Filing Info

  • Accession Number: 00729128
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • ISBN: 90-5410-583-6
  • Files: ITRD
  • Created Date: Dec 12 1996 12:00AM