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Micro-Study of Soil’s Inherent Anisotropy with PFC Simulation
Abstract:
Based on 2-D PFC, non-circular particle with direction was constructed and specimens with different distribution of long axis orientation were established. Loads were applied in vertical direction. Changes of fabric such as the long axis orientation, particle contact direction and particle contact force in the process of loading were analyzed. It was shown that the larger angle of the loading direction and the long axis orientation, the greater strength of specimen and more anisotropic. It was proved by the numerical analysis that tendency of particle contact stress direction is the micro – mechanics reasons of soil’s anisotropy under loading.
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383-386
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Online since:
January 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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