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Issue 2, 2011
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Finding bridges in packings of colloidal spheres

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Abstract

We identify putative load-bearing structures (bridges) in experimental colloidal systems studied by confocal microscopy. Bridges are co-operative structures that have been used to explain stability and inhomogeneous force transmission in simulated granular packings with a range of densities. We show that bridges similar to those found in granular simulations are present in real experimental colloidal packings. We describe critically the bridge-finding procedure for real experimental data and propose a new criterion—lowest mean squared separation (LSQS)—for selecting optimum stabilisations.

Graphical abstract: Finding bridges in packings of colloidal spheres

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Article information


Submitted
17 Jun 2010
Accepted
29 Sep 2010
First published
27 Oct 2010

Soft Matter, 2011,7, 684-690
Article type
Paper

Finding bridges in packings of colloidal spheres

M. C. Jenkins, M. D. Haw, G. C. Barker, W. C. K. Poon and S. U. Egelhaaf, Soft Matter, 2011, 7, 684
DOI: 10.1039/C0SM00544D

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