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Statistics of Internal Structure of a Granular Pile Generated by the Particle Expansion Method

Lo, CY; Bolton, MD; Cheng, YP; (2010) Statistics of Internal Structure of a Granular Pile Generated by the Particle Expansion Method. Presented at: 5th International Conference on Discrete Element Methods, London.

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Abstract

We present a systematic investigation of the influence of a common sample preparation method (Particle Expansion Method) has on the mechanical and structural properties of granular packings. The method produces distinctively different attributes from natural sedimentary samples, in terms of both the contact force distributions at small forces and the geometric internal ordering. The artificial fabric induced by this technique may pose serious implications in the accurate modelling of granular matter which are often overlooked by DEM users.

Type: Conference item (UNSPECIFIED)
Title: Statistics of Internal Structure of a Granular Pile Generated by the Particle Expansion Method
Event: 5th International Conference on Discrete Element Methods
Location: London
Dates: 25 August 2010 - 26 August 2010
ISBN-13: 978-0-9551179-8-5
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science
UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/1300329
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