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MODELLING OF SOIL CREEP WITH THE DISCRETE ELEMENT METHOD

MODELLING OF SOIL CREEP WITH THE DISCRETE ELEMENT METHOD The discrete element method DEM was used to stimulate creep processes in granular materials. The authors present the main features of the numerical model, which include a new viscous mechanism for particle sliding, a new feedback technique for maintaining constant stress during creep, and a scaling technique that allowed monitoring the longterm creep behaviour of a granular assembly. The creep behaviour of the numerical model exhibited the essential characteristics of soil creepa creep rate that decreased rapidly with time, an increase in the creep rate with the applied deviator stress, and the beginning of creep rupture. The model's numerical performance is discussed, and representative results are presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations Emerald Publishing

MODELLING OF SOIL CREEP WITH THE DISCRETE ELEMENT METHOD

Engineering Computations , Volume 9 (2): 11 – Feb 1, 1992

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0264-4401
DOI
10.1108/eb023866
Publisher site
See Article on Publisher Site

Abstract

The discrete element method DEM was used to stimulate creep processes in granular materials. The authors present the main features of the numerical model, which include a new viscous mechanism for particle sliding, a new feedback technique for maintaining constant stress during creep, and a scaling technique that allowed monitoring the longterm creep behaviour of a granular assembly. The creep behaviour of the numerical model exhibited the essential characteristics of soil creepa creep rate that decreased rapidly with time, an increase in the creep rate with the applied deviator stress, and the beginning of creep rupture. The model's numerical performance is discussed, and representative results are presented.

Journal

Engineering ComputationsEmerald Publishing

Published: Feb 1, 1992

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