Journal
INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS
Volume 37, Issue 3, Pages 299-308Publisher
WILEY-BLACKWELL
DOI: 10.1002/nag.1111
Keywords
hypoplasticity; constitutive modelling; critical state
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Barodesy is a new approach to constitutive modelling of soil. It is based on Goldscheider's principles and maps stretching directions onto corresponding stress directions with the help of a simple exponential function. This mapping also determines a critical state surface in principal stress space. The article investigates this surface and relates it to the well-known MatsuokaNakai failure criterion. It turns out that the difference between these two surfaces is negligible for practical applications. Copyright (c) 2011 John Wiley & Sons, Ltd.
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