Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking

Detalhes bibliográficos
Autor(a) principal: Ramos, Ana
Data de Publicação: 2020
Outros Autores: Correia, A. Gomes, Indraratna, Buddhima, Ngo, Trung, Calçada, Rui, Costa, Pedro Alves
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: https://hdl.handle.net/1822/70053
Resumo: Geomaterials exhibit elastoplastic behaviour during dynamic and repeated loading conditions. These loads are induced by the passage of a train or vehicle which then generates recoverable (resilient) deformation and/or permanent (plastic) deformation. Modelling this behaviour is still a challenge for geotechnical engineers as it implies the understanding of the complex deformation mechanism and application of advanced constitutive models. This paper reviews on the major causes of permanent deformation and the factors that influence the long-term performance of materials. It will also present the fundamental concepts of permanent deformation as well as the models and approaches used to characterise this behaviour, including: elastoplastic models, shakedown theory and mechanistic-empirical permanent deformation models. This paper will focus on the mechanistic-empirical approach and highlight the evolution of the models, and the main similarities and differences between them. A comparison between several empirical models as well as the materials used to develop the models is also discussed. These materials are compared by considering the reference conditions on the type of material and its physical state. This approach allows for an understanding of which properties can influence the performance of railway subgrade and pavement structures, as well as the main variables used to characterise this particular behaviour. An innovative ranking of geomaterials that relate to the expected permanent deformation and classification (UIC and ASTM) of soil is also discussed because it can be used as an important tool for the design process.
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spelling Mechanistic-empirical permanent deformation models: laboratory testing, modelling and rankingModellingPermanent deformationLaboratory testsRankingTriaxial testsSoilsGranular materialsMechanistic-empirical permanent deformation modelsEngenharia e Tecnologia::Engenharia CivilScience & TechnologyGeomaterials exhibit elastoplastic behaviour during dynamic and repeated loading conditions. These loads are induced by the passage of a train or vehicle which then generates recoverable (resilient) deformation and/or permanent (plastic) deformation. Modelling this behaviour is still a challenge for geotechnical engineers as it implies the understanding of the complex deformation mechanism and application of advanced constitutive models. This paper reviews on the major causes of permanent deformation and the factors that influence the long-term performance of materials. It will also present the fundamental concepts of permanent deformation as well as the models and approaches used to characterise this behaviour, including: elastoplastic models, shakedown theory and mechanistic-empirical permanent deformation models. This paper will focus on the mechanistic-empirical approach and highlight the evolution of the models, and the main similarities and differences between them. A comparison between several empirical models as well as the materials used to develop the models is also discussed. These materials are compared by considering the reference conditions on the type of material and its physical state. This approach allows for an understanding of which properties can influence the performance of railway subgrade and pavement structures, as well as the main variables used to characterise this particular behaviour. An innovative ranking of geomaterials that relate to the expected permanent deformation and classification (UIC and ASTM) of soil is also discussed because it can be used as an important tool for the design process.This work was partially carried out under the framework of In2Track, a research project of Shift2Rail. It was also supported by FCT - “Fundação para a Ciência e a Tecnologia” - PD/BD/127814/2016. The Authors also wish to acknowledge the collaboration among them through the scheme of Industrial Transformation Training Centre for advancing track infrastructure (ITTC-Rail, IC170100006), funded by the Australian Research Council.ElsevierUniversidade do MinhoRamos, AnaCorreia, A. GomesIndraratna, BuddhimaNgo, TrungCalçada, RuiCosta, Pedro Alves2020-01-282020-01-28T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/1822/70053engRamos, A., Gomes Correia, A., Indraratna, B., Ngo, T., Calçada, R., Costa, P.A. Mechanistic-empirical permanent deformation models: Laboratory testing, modelling and ranking (2020) Transportation Geotechnics, 23, art. no. 1003262214-39122214-391210.1016/j.trgeo.2020.100326https://www.sciencedirect.com/science/article/pii/S2214391219304994info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-10-07T01:20:16Zoai:repositorium.sdum.uminho.pt:1822/70053Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T18:47:24.621805Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
title Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
spellingShingle Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
Ramos, Ana
Modelling
Permanent deformation
Laboratory tests
Ranking
Triaxial tests
Soils
Granular materials
Mechanistic-empirical permanent deformation models
Engenharia e Tecnologia::Engenharia Civil
Science & Technology
title_short Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
title_full Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
title_fullStr Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
title_full_unstemmed Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
title_sort Mechanistic-empirical permanent deformation models: laboratory testing, modelling and ranking
author Ramos, Ana
author_facet Ramos, Ana
Correia, A. Gomes
Indraratna, Buddhima
Ngo, Trung
Calçada, Rui
Costa, Pedro Alves
author_role author
author2 Correia, A. Gomes
Indraratna, Buddhima
Ngo, Trung
Calçada, Rui
Costa, Pedro Alves
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Ramos, Ana
Correia, A. Gomes
Indraratna, Buddhima
Ngo, Trung
Calçada, Rui
Costa, Pedro Alves
dc.subject.por.fl_str_mv Modelling
Permanent deformation
Laboratory tests
Ranking
Triaxial tests
Soils
Granular materials
Mechanistic-empirical permanent deformation models
Engenharia e Tecnologia::Engenharia Civil
Science & Technology
topic Modelling
Permanent deformation
Laboratory tests
Ranking
Triaxial tests
Soils
Granular materials
Mechanistic-empirical permanent deformation models
Engenharia e Tecnologia::Engenharia Civil
Science & Technology
description Geomaterials exhibit elastoplastic behaviour during dynamic and repeated loading conditions. These loads are induced by the passage of a train or vehicle which then generates recoverable (resilient) deformation and/or permanent (plastic) deformation. Modelling this behaviour is still a challenge for geotechnical engineers as it implies the understanding of the complex deformation mechanism and application of advanced constitutive models. This paper reviews on the major causes of permanent deformation and the factors that influence the long-term performance of materials. It will also present the fundamental concepts of permanent deformation as well as the models and approaches used to characterise this behaviour, including: elastoplastic models, shakedown theory and mechanistic-empirical permanent deformation models. This paper will focus on the mechanistic-empirical approach and highlight the evolution of the models, and the main similarities and differences between them. A comparison between several empirical models as well as the materials used to develop the models is also discussed. These materials are compared by considering the reference conditions on the type of material and its physical state. This approach allows for an understanding of which properties can influence the performance of railway subgrade and pavement structures, as well as the main variables used to characterise this particular behaviour. An innovative ranking of geomaterials that relate to the expected permanent deformation and classification (UIC and ASTM) of soil is also discussed because it can be used as an important tool for the design process.
publishDate 2020
dc.date.none.fl_str_mv 2020-01-28
2020-01-28T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/1822/70053
url https://hdl.handle.net/1822/70053
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Ramos, A., Gomes Correia, A., Indraratna, B., Ngo, T., Calçada, R., Costa, P.A. Mechanistic-empirical permanent deformation models: Laboratory testing, modelling and ranking (2020) Transportation Geotechnics, 23, art. no. 100326
2214-3912
2214-3912
10.1016/j.trgeo.2020.100326
https://www.sciencedirect.com/science/article/pii/S2214391219304994
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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