Discrete element modelling of a flexible membrane for triaxial testing of granular material at high pressures

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de Bono, John P., McDowell, Glenn R. and Wanatowski, Dariusz (2012) Discrete element modelling of a flexible membrane for triaxial testing of granular material at high pressures. Géotechnique Letters, 2 (4). pp. 199-203. ISSN 2045-2543

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Official URL: http://www.icevirtuallibrary.com/content/article/10.1680/geolett.12.00040

Abstract

The discrete element method (DEM) has been used to simulate triaxial tests on a bonded material at high pressures. A key feature of the model is the use of a flexible membrane that allows the correct volumetric deformation and the true failure mode to develop while applying constant confining pressure to the triaxial sample. The correct pattern of behaviour has been observed across a wide range of confining pressures, with both shear planes and barrelling failure being observed. The radial pressure applied by the membrane remains constant after large strains and deformation.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/1006402
Additional Information:	Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees.
Keywords:	laboratory tests; failure; strain localisation; deformation; discrete-element modelling; numerical modelling
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Civil Engineering
Identification Number:	10.1680/geolett.12.00040
Related URLs:	URL URL Type http://www.icevirtuallibrary.com/content/journals Publisher
Depositing User:	de Bono, Dr J. P.
Date Deposited:	25 Jul 2014 10:09
Last Modified:	04 May 2020 20:21
URI:	https://eprints.nottingham.ac.uk/id/eprint/3286

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