Generalised Tresca criterion for undrained total stress analysis. Issue 4 (15th December 2015)

• Record Type: Journal Article
• Authors: Krabbenhoft, K.; Lyamin, A. V.
• Is Part Of: Géotechnique letters. Volume 5:Issue 4(2015)
• Page Start: 313
• Page End: 317
• Publication Date: 2015-12-15
• Subjects: clays -- geotechnical engineering -- solid mechanics; Geotechnical engineering -- Periodicals; Engineering geology -- Periodicals; 624.151
• DOI: 10.1680/jgele.15.00120
• Languages: English
• ISSNs: 2045-2543

Abstract

Abstract : A new failure criterion, the generalised Tresca criterion, for undrained total stress analysis is presented. The criterion is consistent with an underlying effective stress Mohr–Coulomb model. It involves two parameters: the undrained shear strengths in triaxial compression and extension. As such, the model predicts different strengths in compression and extension without introducing any physical anisotropy due to layering, direction of deposition and so on. The model is applied to a number of boundary value problems, where the effects of an extension/compression shear strength ratio less than unity generally turns out to be relatively moderate.