A Finite Element Modelling of behavior of expansive soils
Publish place: The first national seminar on geotechnical issues of irrigation and drainage networks
Publish Year: 1387
Type: Conference paper
Language: English
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Document National Code:
IRGID01_015
Index date: 14 April 2008
A Finite Element Modelling of behavior of expansive soils abstract
This paper presents the implementation of a constitutive model for expansive soils in a fully coupled transient hydro-mechanical finite element model, UNSATEX. The model considers the effects of the changes that occur at the micro structural level that corresponds to minerals of the clay and the effects of its physicochemical interactions, and a macro structural level that corresponds to the large-scale structure of the soil. The model is validated by application to a number of experiments on expansive soils involving various combinations of drying, wetting, loading, unloading and reloading paths. The results of the numerical model predictions are compared with the experimental results reported in the literature. The merits and limitations of the model are highlighted.
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A Finite Element Modelling of behavior of expansive soils authors
A.A Javadi
Senior Lecturer in Geotechnical Engineering, School of Engineering, Computing and Mathematics, University of Exeter
A.S.I Elkassas
Geotechnical Engineer, Ove Arup and partners, ۴ Pierhead St, Cardiff, CF۱۰ ۴QP, Wales - Ove Arup and partners, ۴ Pierhead St, Cardiff, CF۱۰ ۴QP, Wales