Abstract
Shear band formation, as an instability problem, is often analyzed as a bifurcation problem under plane strain loading condition where the effect of intermediate principal stress is ignored. However, the effect of intermediate principal stress has a great impact on the strain localization of sands and it has already been investigated experimentally. In this study, “Single Hardening” constitutive model is employed to capture the stress–strain relationships and to predict the onset of strain localization under the true triaxial condition. The failure in dense sands is found to be caused by shear band initiation near plane strain loading condition and not by the theoretical failure employed in the Single Hardening model.
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Mir Tamizdoust, M., Veiskarami, M. & Mohammadi, H. A Note on the Effect of Intermediate Principal Stress on the Onset of Strain Localization in Granular Soils. Iran J Sci Technol Trans Civ Eng 41, 429–432 (2017). https://doi.org/10.1007/s40996-017-0078-8
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DOI: https://doi.org/10.1007/s40996-017-0078-8