Reviewing Hydro-Mechanical Based Numerical Models for Consolidation Behavior of Unsaturated Soils

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Hosseini, Arash; Fathi, Aria


Mechanics, Materials Science & Engineering, 19 , 2019, ISBN: 2412-5954.

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Authors: Arash Hosseini, Aria Fathi

ABSTRACT. Understanding the settlement behavior of different types of soil is important for almost every geotechnical structure.  Many efforts have been done in the field of geotechnical engineering to evaluate and theorize the consolidation behavior of the soil in both saturated and dry conditions. However, similar efforts in the case of unsaturated soils are fairly limited. This research details the developed theories for the long-term deformation of unsaturated soils with a particular emphasis on the importance of flow law and elasticity at different phases of the soil. The state of the art in the field of Multiphysics consolidation is summarized in this paper. A series of the widely used mechanical concepts for unsaturated consolidation disintegrated in this study and elaborated in detail. This discretization of the current theories allowed further investigation of the pros and cons of each theory. A critical review of the literature assessed the applicability of the unsaturated consolidation theories in solving real-world problems.

Keywords:unsaturated soil mechanics, consolidation, flow law, elasticity.

DOI 10.2412/mmse.05.56.781


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