Static behavior of cob: Experimental testing and finite element modeling

Detalhes bibliográficos
Autor(a) principal: Miccoli, Lorenzo
Data de Publicação: 2019
Outros Autores: Silva, Rui André Martins, Oliveira, Daniel V., Mueller, Urs
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/1822/67819
Resumo: The aim of this paper is to implement a numerical model to reproduce the nonlinear behavior of cob walls under shear loading. Axial compression, pull-off, and diagonal compression tests were carried out to derive the mechanical parameters. In addition, the stress-strain relationships, the nonlinear behavior, and the failure modes were defined. The experimental results were then used to calibrate a finite-element model. The material behavior was simulated through a macromodeling approach adopting the total strain rotating crack model. A sensitivity analysis was conducted to assess the effects of varying the parameters with higher uncertainty on the structural behavior. The numerical model achieved good correspondence with the experimental results in terms of simulation of the shear stress-shear strain relationship and of damage pattern. (c) 2019 American Society of Civil Engineers.
id RCAP_8a32ae5853eff10d90cb5dbafd65851c
oai_identifier_str oai:repositorium.sdum.uminho.pt:1822/67819
network_acronym_str RCAP
network_name_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository_id_str 7160
spelling Static behavior of cob: Experimental testing and finite element modelingCobCompression behaviorShear behaviorDigital image correlationFinite-element methodEngenharia e Tecnologia::Engenharia CivilScience & TechnologyThe aim of this paper is to implement a numerical model to reproduce the nonlinear behavior of cob walls under shear loading. Axial compression, pull-off, and diagonal compression tests were carried out to derive the mechanical parameters. In addition, the stress-strain relationships, the nonlinear behavior, and the failure modes were defined. The experimental results were then used to calibrate a finite-element model. The material behavior was simulated through a macromodeling approach adopting the total strain rotating crack model. A sensitivity analysis was conducted to assess the effects of varying the parameters with higher uncertainty on the structural behavior. The numerical model achieved good correspondence with the experimental results in terms of simulation of the shear stress-shear strain relationship and of damage pattern. (c) 2019 American Society of Civil Engineers.- The authors wish to express their gratitude to Mr. Andre Gardei for his important support in the experimental program and to Mr. Andreas Barner and Ms. Manuela Peuschel for their support with photogrammetric analyses. This study was funded by the European Commission within the framework of the project NIKER (Grant No. 244123) dealing with improving immovable Cultural Heritage assets against the risk of earthquakes. The study was partly financed by FEDER funds through the Competitivity Factors Operational Programme (project POCI-01-0145-FEDER-007633) and by national funds through the Portuguese Foundation for Science and Technology (project PTDC/ECM-EST/2777/2014 and Grant No. SFRH/BPD/97082/2013).American Society of Civil Engineers (ASCE)Universidade do MinhoMiccoli, LorenzoSilva, Rui André MartinsOliveira, Daniel V.Mueller, Urs2019-042019-04-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/67819engMiccoli, L., Silva, R. A., Oliveira, D. V., & Müller, U. (2019). Static behavior of cob: Experimental testing and finite-element modeling. Journal of Materials in Civil Engineering, 31(4)0899-156110.1061/(ASCE)MT.1943-5533.0002638https://ascelibrary.org/doi/abs/10.1061/(ASCE)MT.1943-5533.0002638info: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:RCAAP2023-07-21T12:09:05Zoai:repositorium.sdum.uminho.pt:1822/67819Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:00:26.384357Repositório 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 Static behavior of cob: Experimental testing and finite element modeling
title Static behavior of cob: Experimental testing and finite element modeling
spellingShingle Static behavior of cob: Experimental testing and finite element modeling
Miccoli, Lorenzo
Cob
Compression behavior
Shear behavior
Digital image correlation
Finite-element method
Engenharia e Tecnologia::Engenharia Civil
Science & Technology
title_short Static behavior of cob: Experimental testing and finite element modeling
title_full Static behavior of cob: Experimental testing and finite element modeling
title_fullStr Static behavior of cob: Experimental testing and finite element modeling
title_full_unstemmed Static behavior of cob: Experimental testing and finite element modeling
title_sort Static behavior of cob: Experimental testing and finite element modeling
author Miccoli, Lorenzo
author_facet Miccoli, Lorenzo
Silva, Rui André Martins
Oliveira, Daniel V.
Mueller, Urs
author_role author
author2 Silva, Rui André Martins
Oliveira, Daniel V.
Mueller, Urs
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Miccoli, Lorenzo
Silva, Rui André Martins
Oliveira, Daniel V.
Mueller, Urs
dc.subject.por.fl_str_mv Cob
Compression behavior
Shear behavior
Digital image correlation
Finite-element method
Engenharia e Tecnologia::Engenharia Civil
Science & Technology
topic Cob
Compression behavior
Shear behavior
Digital image correlation
Finite-element method
Engenharia e Tecnologia::Engenharia Civil
Science & Technology
description The aim of this paper is to implement a numerical model to reproduce the nonlinear behavior of cob walls under shear loading. Axial compression, pull-off, and diagonal compression tests were carried out to derive the mechanical parameters. In addition, the stress-strain relationships, the nonlinear behavior, and the failure modes were defined. The experimental results were then used to calibrate a finite-element model. The material behavior was simulated through a macromodeling approach adopting the total strain rotating crack model. A sensitivity analysis was conducted to assess the effects of varying the parameters with higher uncertainty on the structural behavior. The numerical model achieved good correspondence with the experimental results in terms of simulation of the shear stress-shear strain relationship and of damage pattern. (c) 2019 American Society of Civil Engineers.
publishDate 2019
dc.date.none.fl_str_mv 2019-04
2019-04-01T00:00:00Z
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 http://hdl.handle.net/1822/67819
url http://hdl.handle.net/1822/67819
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Miccoli, L., Silva, R. A., Oliveira, D. V., & Müller, U. (2019). Static behavior of cob: Experimental testing and finite-element modeling. Journal of Materials in Civil Engineering, 31(4)
0899-1561
10.1061/(ASCE)MT.1943-5533.0002638
https://ascelibrary.org/doi/abs/10.1061/(ASCE)MT.1943-5533.0002638
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 American Society of Civil Engineers (ASCE)
publisher.none.fl_str_mv American Society of Civil Engineers (ASCE)
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
_version_ 1799132399574974464

Registros relacionados