Journal of Japan Society of Civil Engineers, Ser. C (Geosphere Engineering)
Online ISSN : 2185-6516
ISSN-L : 2185-6516
Paper (In Japanese)
DYNAMIC ANALYSIS OF EMBANKMENT BASED ON THREE PHASE POROUS MEDIA THEORY USING ELASTO-PLASTIC CONSTITUTIVE MODEL FOR UNSATURATED SOIL
Takaki MATSUMARURyosuke UZUOKA
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2014 Volume 70 Issue 4 Pages 395-411

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Abstract

 In this paper, the numerical analysis focused on the dynamic behavior of unsaturated embankment was performed with the three-phase (soil, water, and air) coupled analysis based on porous media theory. In this analysis, we employed the conventional constitutive model for unsaturated sandy soil considering the suction-dependent plastic volumetric strain under cyclic loading. The proposed model was validated by the simulation of the cyclic unsaturated tri-axial tests of sandy soil. Furthermore, the simulation of shaking table tests of model embankment affected by seepage water and rainfall confirmed the applicability of the numerical method.

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© 2014 by Japan Society of Civil Engineers
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