Failure Behavior for Cross-Anisotropic Sand

Abstract:

In order to describe the failure behavior of anisotropy sand, a failure criterion with the method of macro-micro incorporation is employ. A fabric tensor employed in the method describes the material microstructure and a novel anisotropy state variable is properly defined in the term of the two joint invariant of loading direction tensor and fabric tensor, then a failure criterion of anisotropic soil is proposed with the novel anisotropy state. The failure criterion is compared with experimental results from the literature to show that it is able to capture the conditions obtained in three-dimensional experiments without and with stress rotations. The limitations of the criterion are demonstrated by its failure to capture the behavior of some sand with particular micro-structures.

• Periodical: Applied Mechanics and Materials (Volumes 405-408)
• Pages: 331-335
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.405-408.331
• Online since: September 2013
• Authors: Xue Feng Li, Liang Kong
• Keywords: Anisotropy Strength, Macro-Micro Incorporation, Micro Fabric, Sand

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