High resolution incremental stress testing of crushable granular materials

High resolution incremental stress testing of crushable granular materials

The incremental behaviour of crushable sands is investigated by means of a Discrete Element Method (DEM) based analogue. The DEM sample is subjected to a comprehensive set of small stress perturbations in the triaxial plane in order to identify the basic mechanisms contributing to the corresponding...

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Main Authors: Ciantia Matteo, Arroyo Marcos, Gens Antonio
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/18/e3sconf_isg2019_14009.pdf
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spelling doaj-41b3c503c69f4b9cb7f2e4654bea74f32021-04-02T15:26:58ZengEDP SciencesE3S Web of Conferences2267-12422019-01-01921400910.1051/e3sconf/20199214009e3sconf_isg2019_14009High resolution incremental stress testing of crushable granular materialsCiantia MatteoArroyo MarcosGens AntonioThe incremental behaviour of crushable sands is investigated by means of a Discrete Element Method (DEM) based analogue. The DEM sample is subjected to a comprehensive set of small stress perturbations in the triaxial plane in order to identify the basic mechanisms contributing to the corresponding strain response. Three contributions to incremental strains are distinguished: elastic, plastic-structural and plastic-crushing. The behaviour observed appears to be consistent with the classic tenets of elasto-plasticity. It is also shown that high resolution probing is required to identify significant features such as elastic anisotropy and irreversible effects on the tangent bulk and shear moduli. As a consequence, computational efficiency is therefore a must for numerical studies of incremental response.https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/18/e3sconf_isg2019_14009.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Ciantia Matteo
Arroyo Marcos
Gens Antonio
spellingShingle Ciantia Matteo
Arroyo Marcos
Gens Antonio
High resolution incremental stress testing of crushable granular materials
E3S Web of Conferences
author_facet Ciantia Matteo
Arroyo Marcos
Gens Antonio
author_sort Ciantia Matteo
title High resolution incremental stress testing of crushable granular materials
title_short High resolution incremental stress testing of crushable granular materials
title_full High resolution incremental stress testing of crushable granular materials
title_fullStr High resolution incremental stress testing of crushable granular materials
title_full_unstemmed High resolution incremental stress testing of crushable granular materials
title_sort high resolution incremental stress testing of crushable granular materials
publisher EDP Sciences
series E3S Web of Conferences
issn 2267-1242
publishDate 2019-01-01
description The incremental behaviour of crushable sands is investigated by means of a Discrete Element Method (DEM) based analogue. The DEM sample is subjected to a comprehensive set of small stress perturbations in the triaxial plane in order to identify the basic mechanisms contributing to the corresponding strain response. Three contributions to incremental strains are distinguished: elastic, plastic-structural and plastic-crushing. The behaviour observed appears to be consistent with the classic tenets of elasto-plasticity. It is also shown that high resolution probing is required to identify significant features such as elastic anisotropy and irreversible effects on the tangent bulk and shear moduli. As a consequence, computational efficiency is therefore a must for numerical studies of incremental response.
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/18/e3sconf_isg2019_14009.pdf
work_keys_str_mv AT ciantiamatteo highresolutionincrementalstresstestingofcrushablegranularmaterials
AT arroyomarcos highresolutionincrementalstresstestingofcrushablegranularmaterials
AT gensantonio highresolutionincrementalstresstestingofcrushablegranularmaterials
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