Journal
MECHANICS RESEARCH COMMUNICATIONS
Volume 92, Issue -, Pages 142-146Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechrescom.2018.08.007
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Funding
- European Research Council under the European Union's Seventh Framework Program FP7-ERC-IDEAS Advanced Grant [290963]
- LabEx Tec 21 (Investissements d'Avenir) [ANR-11-LABX-0030]
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In this paper we present results from the first experiment on Hostsun HN31 sand using a newly-developed, standard size triaxial cell which allows x-ray tomography during loading. Results are consistent to previous work, however new measurement techniques including improved spatial resolution and Digital Volume Correlation, allow incremental strain fields to be measured. Incremental strain fields after failure reveal a complex structure of localised strain, whose beginnings are found far before the stress peak. This opens some fundamental questions on how to best interpret these fundamental deformation mechanisms in sand from a modelling perspective. (C) 2018 Elsevier Ltd. All rights reserved.
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