The dilatancy/contractancy of soil is of particular importance for compaction, consolidation, liquefaction, etc. Interestingly, constitutive relations are often unsatisfactory in modelling volume changes in the sense that their predictions deviate considerably from each other. This scatter is pronounced in problems with stress rotation. Therefore, in this paper some selected constitutive relations are investigated with respect to their performance at stress rotation. The obtained numerical simulations are compared with each other and also with experimental results from the $1\gamma 2\epsilon $ and the hollow cylinder apparatuses.

Revised : 2019-09-19

Accepted : 2019-10-14

Published online : 2019-11-25

DOI : https://doi.org/10.5802/ogeo.3

Keywords: Principal stress rotation, Constitutive Model, Hypoplasticity, Barodesy, Sanisand

@article{OGEO_2019__1__A4_0, author = {Schranz, Fabian and Fellin, Wolfgang and Kolymbas, Dimitrios}, title = {Comparative performance of some constitutive models in stress rotation}, journal = {Open Geomechanics}, publisher = {Alert Geomaterials}, volume = {1}, year = {2019}, doi = {10.5802/ogeo.3}, language = {en}, url = {https://opengeomechanics.centre-mersenne.org/item/OGEO_2019__1__A4_0} }

Schranz, Fabian; Fellin, Wolfgang; Kolymbas, Dimitrios. Comparative performance of some constitutive models in stress rotation. Open Geomechanics, Volume 1 (2019) , article no. 4, 11 p. doi : 10.5802/ogeo.3. https://opengeomechanics.centre-mersenne.org/item/OGEO_2019__1__A4_0/

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