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We develop a theoretical foundations for a macroscale model for flow and deformation for a highly interacting porous media, i.e. a swelling porous media such as expansive soils by assuming the properties of the fluid phase are a function of the liquid volume fraction. We assume the porous material consists of a solid phase and liquid phase, that it swells when whetted and shrinks when dried, and that...
The thermo-mechanical (T-M) coupling behavior of clay can be difficult to predict due to its complicated coupling mechanism, irreversibility and OCR dependency. To date, several constitutive models were proposed based on the phenomenological theory of elasticity and plasticity, which are able to simulate some of the T-M coupling behavior but lacks the fundamental description of coupling dissipation...
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