Soil Elastic-Plastic Rotation Gradient Theory Based on Grain Size Factor and its Finite Element Implementation

Ying Guang Fang; Jia Liu; Zhi Liang Dong

doi:10.4028/www.scientific.net/AMR.779-780.420

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 779-780Soil Elastic-Plastic Rotation Gradient Theory...

Soil Elastic-Plastic Rotation Gradient Theory Based on Grain Size Factor and its Finite Element Implementation

Abstract:

Soil is the most common discontinuous granular material in the geotechnical engineering and its physical and mechanical properties have obvious grain size effect. In view of the insufficient of classical continuum mechanics and existing discrete mechanics, the matrix-reinforcing particles cell element model of soil introduces to account for the grain size effect and microstructure of the soil; then, based on the rotation gradient theory, the elastic-plastic stress-strain relations of soil with grain size factor obtains; finally, using the principle of virtual work establishes the corresponding finite element method.

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Periodical:

Advanced Materials Research (Volumes 779-780)

Pages:

420-424

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.779-780.420

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Online since:

September 2013

Authors:

Ying Guang Fang, Jia Liu, Zhi Liang Dong

Keywords:

Cell Element Model, Finite Element, Grain Size Effect, Matrix, Reinforcing Particle, Rotation Gradient

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