A Failure Model for Heterogeneous Nonlinear Anisotropic Geomaterials

Huai Ning Ruan; Di Wang; J. W. Ju

doi:10.4028/www.scientific.net/AMR.594-597.472

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 594-597A Failure Model for Heterogeneous Nonlinear...

A Failure Model for Heterogeneous Nonlinear Anisotropic Geomaterials

Abstract:

In designing earth structures, various kinds of complex soils and rocks are constantly encountered. These geomaterials exhibit heterogeneous, nonlinear, and anisotropic behavior. A failure criterion for such complicated materials is proposed. This model is highly comprehensive. It characterizes heterogeneity, nonlinearity, and anisotropy simultaneously in one equation. Many classical failure criteria employed in geomechanics and plasticity are its special cases. The material parameters in the proposed criterion may be determined from tests of unconfined compression, uniaxial tension, biaxial compression, and direct shear. The case study illustrates the potential of the proposed model in engineering application.

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Periodical:

Advanced Materials Research (Volumes 594-597)

Pages:

472-481

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.594-597.472

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Online since:

November 2012

Authors:

Huai Ning Ruan, Di Wang, J. W. Ju

Keywords:

Anisotropy, Failure Criterion, Geomaterial, Heterogeneity, Nonlinearity

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