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Paper
Title

A Note on the Incorrect and Legitimate Definitions of Anisotropic Shear Strength in Granular Materials

Year: 1398
COI: NCCE11_065
Language: EnglishView: 179
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Authors

Habib Molaei - Graduate Student, School of Engineering, Shiraz University, Shiraz, Iran
Mehdi Veiskarami - Associate Professor, School of Engineering, Shiraz University, Shiraz, Iran

Abstract:

Shear strength of anisotropic granular materials has been often expressed as a function of the orientation of the major principal stress direction or inclination of the stratification. This definition can be shown to be generally wrong as it violates one of the fundamental axioms of constitutive modeling in the context of classical continuum mechanics, i.e. the invariance under superposed rigid motion. Once it has been shown to be incorrect, the righteous definition of the yield criterion has been introduced which was pointed out by early works of Hill and later by Mróz and Pietruszczak during the last decades. One legitimate procedure by the implementation of the so-called microstructure tensor is presented and applied to a simple packing of particles. The discussion is made between incorrect and legitimate definitions of anisotropy

Keywords:

Plasticity, Constitutive Laws, Objectivity, Microstructure Tensor, Granular Materials.

Paper COI Code

This Paper COI Code is NCCE11_065. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/917822/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Molaei, Habib and Veiskarami, Mehdi,1398,A Note on the Incorrect and Legitimate Definitions of Anisotropic Shear Strength in Granular Materials,Eleventh National Congress on Civil Engineering,Shiraz,https://civilica.com/doc/917822

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Type of center: دانشگاه دولتی
Paper count: 18,100
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