Chapter
May 7, 2012
A Three-Dimensional Unified Hardening Model for Anisotropic Soils
Authors: Yangping Yao [email protected], Yuxia Kong [email protected], and Meng Li [email protected]Author Affiliations
Publication: Soil Behavior and Geo-Micromechanics
Abstract
Based on the UH (unified hardening) model a new anisotropic constitutive model for anisotropic soils is presented in a new anisotropic transformed stress space. An anisotropic peak strength Mα is firstly introduced to represent the inherent anisotropy associated with particles' orientation distribution. An anisotropic transformed stress tensor σ˜ija is proposed by incorporating Mαwith the original transformed stress tensor σ˜ij. The failure criterion and the stress-strain relationship for anisotropic soils are interpreted in the same constitutive framework. The capabilities of the proposed model are illustrated through comparisons of model simulations with experimental data. The basic soil parameters can be determined from the conventional triaxial compression tests on vertical specimens and horizontal specimens.
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Copyright
© 2010 American Society of Civil Engineers.
History
Published online: May 7, 2012
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ASCE Technical Topics:
- Anisotropy
- Constitutive relations
- Continuum mechanics
- Deformation (mechanics)
- Earth materials
- Engineering fundamentals
- Engineering mechanics
- Geomaterials
- Geomechanics
- Geotechnical engineering
- Mathematics
- Models (by type)
- Particle size distribution
- Simulation models
- Soil compression
- Soil dynamics
- Soil mechanics
- Soil properties
- Soil stress
- Solid mechanics
- Stress (by type)
- Stress strain relations
- Structural analysis
- Structural engineering
- Structural mechanics
- Three-dimensional models
Authors
Affiliations
Professor, Department of Civil Engineering, Beihang University, Beijing 100191, China.E-mail: [email protected]
Ph.D. Candidate, ditto.E-mail: [email protected]
Master degree candidate, ditto.E-mail: [email protected]
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