Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/220484 |
Resumo: | In recent years several dam failures have been reported throughout the world, generating a social concern on mine tailings. Along these lines, it became essential to understand the mechanical behavior of these materials in order to refine current design technologies and prevent more tragedies. In this context, this research had two main goals: (i) to analyze bauxite tailings mechanical behavior through isotropically consolidated-undrained triaxial tests and consolidation tests; and (ii) to compare triaxial tests and numerical simulations results. Confining stresses of 75kPa, 150kPa, and 300kPa were applied in the triaxial tests. Numerical modelling was performed through ABAQUS software, in which three different failure criteria were analyzed, Mohr-Coulomb Model (MCM), Drucker-Prager Model (DPM), and Modified Cam-Clay Model (MCCM). Results indicated that all studied criteria showed satisfactory results, however, DPM was the best criterion to simulate bauxite tailings mechanical behavior and respective strength parameters. |
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Bruschi, Giovani JordiFante, FernandoAraújo, Mariana Tonini deMacedo, Gustavo DiasRuver, Cesar Alberto2021-05-04T04:27:42Z20211980-9743http://hdl.handle.net/10183/220484001124843In recent years several dam failures have been reported throughout the world, generating a social concern on mine tailings. Along these lines, it became essential to understand the mechanical behavior of these materials in order to refine current design technologies and prevent more tragedies. In this context, this research had two main goals: (i) to analyze bauxite tailings mechanical behavior through isotropically consolidated-undrained triaxial tests and consolidation tests; and (ii) to compare triaxial tests and numerical simulations results. Confining stresses of 75kPa, 150kPa, and 300kPa were applied in the triaxial tests. Numerical modelling was performed through ABAQUS software, in which three different failure criteria were analyzed, Mohr-Coulomb Model (MCM), Drucker-Prager Model (DPM), and Modified Cam-Clay Model (MCCM). Results indicated that all studied criteria showed satisfactory results, however, DPM was the best criterion to simulate bauxite tailings mechanical behavior and respective strength parameters.application/pdfengSoils and rocks: international journal of geotechnical and geoenvironmental journal. São Paulo, SP. Vol. 44, no. 1 (Jan./Mar. 2021), Art. e2021053720, p. 1-10Rejeito de mineraçãoBauxitaComportamento mecânicoEnsaios triaxiaisSimulação numéricaBauxite tailingsMechanical behaviorTriaxial testingNumerical simulationABAQUSAnalysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modellinginfo:eu-repo/semantics/articleinfo:eu-repo/semantics/otherinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001124843.pdf.txt001124843.pdf.txtExtracted Texttext/plain28018http://www.lume.ufrgs.br/bitstream/10183/220484/2/001124843.pdf.txt1a5bf881caf012fb053589e32a6ac579MD52ORIGINAL001124843.pdfTexto completo (inglês)application/pdf931961http://www.lume.ufrgs.br/bitstream/10183/220484/1/001124843.pdf41e60cf6e2f501b99f8b1c15a102dfe4MD5110183/2204842021-05-07 04:40:57.246029oai:www.lume.ufrgs.br:10183/220484Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2021-05-07T07:40:57Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling |
title |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling |
spellingShingle |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling Bruschi, Giovani Jordi Rejeito de mineração Bauxita Comportamento mecânico Ensaios triaxiais Simulação numérica Bauxite tailings Mechanical behavior Triaxial testing Numerical simulation ABAQUS |
title_short |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling |
title_full |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling |
title_fullStr |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling |
title_full_unstemmed |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling |
title_sort |
Analysis of different failure criteria to evaluate bauxite tailings mechanical behavior through numerical modelling |
author |
Bruschi, Giovani Jordi |
author_facet |
Bruschi, Giovani Jordi Fante, Fernando Araújo, Mariana Tonini de Macedo, Gustavo Dias Ruver, Cesar Alberto |
author_role |
author |
author2 |
Fante, Fernando Araújo, Mariana Tonini de Macedo, Gustavo Dias Ruver, Cesar Alberto |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Bruschi, Giovani Jordi Fante, Fernando Araújo, Mariana Tonini de Macedo, Gustavo Dias Ruver, Cesar Alberto |
dc.subject.por.fl_str_mv |
Rejeito de mineração Bauxita Comportamento mecânico Ensaios triaxiais Simulação numérica |
topic |
Rejeito de mineração Bauxita Comportamento mecânico Ensaios triaxiais Simulação numérica Bauxite tailings Mechanical behavior Triaxial testing Numerical simulation ABAQUS |
dc.subject.eng.fl_str_mv |
Bauxite tailings Mechanical behavior Triaxial testing Numerical simulation ABAQUS |
description |
In recent years several dam failures have been reported throughout the world, generating a social concern on mine tailings. Along these lines, it became essential to understand the mechanical behavior of these materials in order to refine current design technologies and prevent more tragedies. In this context, this research had two main goals: (i) to analyze bauxite tailings mechanical behavior through isotropically consolidated-undrained triaxial tests and consolidation tests; and (ii) to compare triaxial tests and numerical simulations results. Confining stresses of 75kPa, 150kPa, and 300kPa were applied in the triaxial tests. Numerical modelling was performed through ABAQUS software, in which three different failure criteria were analyzed, Mohr-Coulomb Model (MCM), Drucker-Prager Model (DPM), and Modified Cam-Clay Model (MCCM). Results indicated that all studied criteria showed satisfactory results, however, DPM was the best criterion to simulate bauxite tailings mechanical behavior and respective strength parameters. |
publishDate |
2021 |
dc.date.accessioned.fl_str_mv |
2021-05-04T04:27:42Z |
dc.date.issued.fl_str_mv |
2021 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/other |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/220484 |
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1980-9743 |
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001124843 |
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1980-9743 001124843 |
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http://hdl.handle.net/10183/220484 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Soils and rocks: international journal of geotechnical and geoenvironmental journal. São Paulo, SP. Vol. 44, no. 1 (Jan./Mar. 2021), Art. e2021053720, p. 1-10 |
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openAccess |
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