Picture of virus under microscope

Research under the microscope...

The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

Explore SIPBS research

Modelling the THM behaviour of unsaturated expansive soils using a double structure formulation

Sanchez, M. and Gens, A. and Olivella, S. (2005) Modelling the THM behaviour of unsaturated expansive soils using a double structure formulation. In: Unsaturated Soils - Advances in Testing, Modelling and Engineering Applications. Taylor and Francis, London, United Kingdom, pp. 107-120. ISBN 9780415367424

Full text not available in this repository. (Request a copy from the Strathclyde author)

Abstract

Paper presented at the 2nd International Conference on Unsaturated Soils. The study of Thermo-Hydro-Mechanical (THM) problems in porous media is generally dealt with assuming that they possess a continuous distribution of one type of voids. However, there are some media in which for a proper handling of the problem, it is crucial to consider the different structural levels involved in the material fabric. This work presents a coupled THM formulation developed to handle problems in porous media with two dominant structures of voids. The formulation is especially suitable for cases in which the material exhibits a strong coupling between the mechanical and hydraulic problem in both media. In its more general form, the proposed formulation allows the consideration of non-isothermal multiphase flows in both media, coupled with the mechanical and the thermal problems. Special attention has been placed on the mechanical constitutive model for non-saturated expansive clays. The double structure approach has been implemented in a finite element code and it has been used to analyze a variety of problems.