A network model to assess base-filter combinations

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Title: A network model to assess base-filter combinations
Authors: Shire, TC
O'Sullivan, C
Item Type: Journal Article
Abstract: Granular filters retain base material within the narrowest constrictions of their void network. A direct comparison of the base material particle size distribution (PSD) and the filter constriction size distribution (CSD) cannot easily be used to assess fi lter - base compatibility. Here a conceptually simple random - walk network model using a filter CSD derived from discrete element modelling and base PSD is used to assess filter - base compatibility. Following verification using experimental data the model is a pplied to assess empirical ratios between filter and base characteristic diameters. The effects of filter density, void connectivity and blocking in the first few filter layers are highlighted.
Issue Date: 7-Dec-2016
Date of Acceptance: 21-Nov-2016
URI: http://hdl.handle.net/10044/1/42713
DOI: https://dx.doi.org/10.1016/j.compgeo.2016.11.014
ISSN: 1873-7633
Publisher: Elsevier
Start Page: 117
End Page: 128
Journal / Book Title: Computers and Geotechnics
Volume: 84
Copyright Statement: Crown Copyright © 2016 Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keywords: Geological & Geomatics Engineering
0905 Civil Engineering
0914 Resources Engineering And Extractive Metallurgy
0915 Interdisciplinary Engineering
Publication Status: Published
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering



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