The Critical State Constitutive Model and Strain Localization for Hostun Sand

Ping Hu; Mao Song Huang; Deng Gao Wu

doi:10.4028/www.scientific.net/AMM.525.552

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 525The Critical State Constitutive Model and Strain...

The Critical State Constitutive Model and Strain Localization for Hostun Sand

Abstract:

Aiming at the limitation of traditional constitutive theories which can not explain the decrease of inclination angle of shear bands correctly when confining pressure increases, a state-dependent critical state model is employed to analyze strain localization of Hostun sands. Firstly, the critical state formulation and model parameters are calibrated through available drained triaxial test results of Hostun sand. Then an analysis of strain localization is performed on the drained plane strain tests. The results show that the state-dependent critical state model is capable of simulating the effect of initial effective confining pressure on inclination angle of shear bands.

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Periodical:

Applied Mechanics and Materials (Volume 525)

Pages:

552-555

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.525.552

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Online since:

February 2014

Authors:

Ping Hu*, Mao Song Huang, Deng Gao Wu

Keywords:

Critical State Constitutive Model, Hostun Sand, Inclination Angle of Shear Band, Initial Effective Confining Pressure, Strain Localization

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