A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A Stress-Strain Framework for Modelling the Behaviour of Unsaturated Soils under Non-Isothermal Conditions
Summary This paper addresses a new, unified thermo-mechanical constitutive model for unsaturated soils through a coupled study. In the context of elasto-plasticity and the critical state theory, the model uses the concepts of multi-mechanism and bounding surface theory. This advanced constitutive approach involves thermo-plasticity of saturated and unsaturated soils. Bishop’s effective stress framework is adopted to represent the stress state in the soil. This stress is linked to the water retention curve, which is represented by an elasto-plastic model. Attention is focused particularly on the coupling relations inferred from this unified thermo-hydro-mechanical (THM) study. Finally, the theoretical aspects of the paper are supported by comparisons between numerical simulations and experimental results.
A Stress-Strain Framework for Modelling the Behaviour of Unsaturated Soils under Non-Isothermal Conditions
Summary This paper addresses a new, unified thermo-mechanical constitutive model for unsaturated soils through a coupled study. In the context of elasto-plasticity and the critical state theory, the model uses the concepts of multi-mechanism and bounding surface theory. This advanced constitutive approach involves thermo-plasticity of saturated and unsaturated soils. Bishop’s effective stress framework is adopted to represent the stress state in the soil. This stress is linked to the water retention curve, which is represented by an elasto-plastic model. Attention is focused particularly on the coupling relations inferred from this unified thermo-hydro-mechanical (THM) study. Finally, the theoretical aspects of the paper are supported by comparisons between numerical simulations and experimental results.
A Stress-Strain Framework for Modelling the Behaviour of Unsaturated Soils under Non-Isothermal Conditions
François, Bertrand (author) / Laloui, Lyesse (author)
2007-01-01
7 pages
Article/Chapter (Book)
Electronic Resource
English
unsaturated soils , thermo-mechanics , constitutive modelling , elasto-plasticity , multi-mechanism Engineering , Theoretical and Applied Mechanics , Engineering Fluid Dynamics , Geotechnical Engineering & Applied Earth Sciences , Hydrogeology , Appl.Mathematics/Computational Methods of Engineering , Classical Continuum Physics
Experimentation and modelling of unsaturated soils behaviour in non-isothermal conditions
| British Library Conference Proceedings | 2003
Unsaturated Soils under Non-Isothermal Conditions: Framework of a New Constitutive Model
| British Library Conference Proceedings | 2008
Elastoplastic modelling of hydraulic and stress-strain behaviour of unsaturated soils
| British Library Online Contents | 2007
Localized failure in unsaturated soils under non-isothermal conditions
| Springer Verlag | 2017