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Volume change behavior of an unsaturated soil - A numerical investigation

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Abstract

Terzaghi's one-dimensional consolidation theory has been successfully applied to the prediction of settlement due to the consolidation of saturated soil. As for the consolidation of unsaturated soil, Biot's consolidation theory may be used but it required the coupling of the equilibrium conditions of a stress field. A simpler solution that adopted the continuity equations of pore-water and pore-air may also be used. This study simulated the consolidation process of an unsaturated soil using the above continuity equations via a commercially available program. The result shows that it is necessary to simultaneously consider the movement or dissipation of the excess pore-water and pore-air generated during the consolidation process in order to obtain a good and comparable back analysis result.

Original languageEnglish
Title of host publicationComputer Methods and Recent Advances in Geomechanics - Proc. of the 14th International Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014
PublisherTaylor and Francis - Balkema
Pages529-534
Number of pages6
ISBN (Print)9781138001480
DOIs
StatePublished - 2015
Event14th International Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014 - Kyoto, Japan
Duration: 22 Sep 201425 Sep 2014

Publication series

NameComputer Methods and Recent Advances in Geomechanics - Proceedings of the 14th Int. Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014

Conference

Conference14th International Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014
Country/TerritoryJapan
CityKyoto
Period22/09/1425/09/14

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