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Mathematical Problems in EngineeringVolume 2013 2013, Article ID 589452, 8 pages

Research ArticleDepartment of Civil Engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea

Received 3 April 2013; Revised 13 August 2013; Accepted 15 August 2013

Academic Editor: Piermarco Cannarsa

Copyright © 2013 You-Seong Kim and Jaehong Kim.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A model of solid-water-air coupling in triphasic mixtures is compared withsolid-water coupling in biphasic mixtures with an application to partially saturatedporous media.
Based on thermodynamics, the mathematical frameworkgoverning the behavior of a partially saturated soil is derived usingbalance equations, and the numerical implementation and drainage tests ofa soil column are carried out to validate the obtained formulations.
The roleof the air phase in the hydro-mechanical behavior of triphasic mixtures canbe analyzed from the interactions among multiple phases for the constitutivebehavior of a solid skeleton, and the triphasic mixture model can beapplied in geotechnical engineering problems, such as sequestration andair storage in aquifers.

Autor: You-Seong Kim and Jaehong Kim



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