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Numerical analysis of soilbags under compression and cyclic shear

By Yousef Ansari, Richard Merifield, Harayuki Yamamoto and Daichao Sheng

Abstract

This paper presents a finite element model for analysing the behaviour of granular material wrapped with polyethylene bags under vertical compression and cyclic shearing. The simple Mohr–Coulomb model is used to represent the soil behaviour. The polyethylene bag is represented by a linear-elastic–perfect-plastic model. The soil-bag interface is modelled with contact constraints. The main purpose of the numerical analysis is to validate the anticipated performance of soilbags under various loading conditions and hence the effectiveness of soilbags as a method of ground improvement

Topics: soilbag, finite element model, contact kinematic constraints, soil-bag interface, vertical compression, cyclic shear
Publisher: Elsevier
Year: 2011
DOI identifier: 10.1016/j.compgeo.2011.02.002
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