Abstract
Granular soils usually possess inherent fabric anisotropy due to natural deposition or compaction, leading to the dependence of peak shear strength on loading direction. In order to describe this strength anisotropy, a novel aniso-tropic strength variable Λ, which is determined by stress tensor and fabric orientation, is introduced to measure the “distance” between the bedding plane and the maximum shear stress ratio plane. Incorporation of this variable in the traditional Mohr-Coulomb criterion allows for the description of strength anisotropy. The new anisotropic formulation needs only one extra parameter. Validation against test results shows that the formulation has good capability in describing the anisotropic strength.
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Acknowledgements
The authors would like to acknowledge the National Natural Science Foundation of China (No. 51708332 and No. 51678346) for funding the work in this paper.
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Cao, W., Wang, R., Zhang, JM. (2018). A Simple Anisotropic Mohr-Coulomb Strength Criterion for Granular Soils. In: Wu, W., Yu, HS. (eds) Proceedings of China-Europe Conference on Geotechnical Engineering. Springer Series in Geomechanics and Geoengineering. Springer, Cham. https://doi.org/10.1007/978-3-319-97112-4_1
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DOI: https://doi.org/10.1007/978-3-319-97112-4_1
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