Applied Rheology: Publications
Nicolas Roussel, Christophe Lanos
Plastic Fluid Flow Parameters Identification Using a Simple Squeezing Test

Appl. Rheol. 13:3 (2003) 132-141

Abstract: In this paper after a presentation of the compression test and its classical references in the rheological literature a behaviour parameter identification method is introduced using simple compression tests on concentrated geo-suspensions with a plastic fluid behaviour. The obtained theoretical test response is validated for several materials (natural soils, Kaolin clay .). It is also compared with previous solutions obtained by other authors to show that most existing solutions miss one or more terms. Elements are also given on two types of test response perturbations: the induced heterogeneity in the case of slow tests (consolidation phenomena) and the fragmentation of the outer part of sample (granular paste breakings). Finally, compression test results for a nano silica paste are presented as a example and treated as an application of the test exploitation method. © 2003 Applied Rheology.

DOI 10.3933/ApplRheol-13-132

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Appl Rheol 13 (2003) issues:


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