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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
Edited by:
Paper 262

Three-Dimensional Coupled Finite Element Modelling and Programming of Partially Saturated Porous Media

D. Muraro, C.E. Majorana and V.A. Salomoni

Department of Civil, Environmental and Architectural Engineering, University of Padua, Italy

Full Bibliographic Reference for this paper
D. Muraro, C.E. Majorana, V.A. Salomoni, "Three-Dimensional Coupled Finite Element Modelling and Programming of Partially Saturated Porous Media", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 262, 2014. doi:10.4203/ccp.106.262
Keywords: coupled problem, finite element modelling, partial saturation, three-dimensions, geomaterials, numerical programming..

Summary
The aim of the work, described in this paper, is to create a three-dimensional framework able to investigate the mechanics of partially saturated geomaterials, such as soils and concrete. The proposed physical-mathematical approach is an extension of an already available coupled thermo-hydro-mechanical model, suitable for consolidation or subsidence analyses of saturated or unsaturated soils to possibly further adapt it to concrete analysis as well, even under high temperature conditions. This coupled formulation stems from a multiphase approach for a deforming porous medium typical of the hybrid mixture theory. Hence an improved code PLASCON3DPS based on this coupled formulation has been built. Some available numerical results of benchmark tests and real case problems, obtained for two-dimensional domains, are considered for calibration and validation of the novel three-dimensional finite element code.

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