Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams

Detalhes bibliográficos
Autor(a) principal: Dalfré, Gláucia
Data de Publicação: 2013
Outros Autores: Barros, Joaquim A. O.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/1822/26250
Resumo: The use of near-surface mounted (NSM) technique has been proved to be very effective to increase the flexural and shear resistance of reinforced concrete (RC) beams. However, the NSM is not applicable for the shear strengthening of RC slab, thus a new technique was developed (ETS – Embedded Through-Section), consisting in opening holes across the slab thickness in the shear zone, where bars are inserted and bonded to concrete by an adhesive material. To assess the contribution of the bond mechanism for the shear strengthening effectiveness of this technique, a comprehensive pullout test program was carried out, where the influences of the type of adhesive, a thickness of the adhesive layer, diameter of the strengthening bar and bond length on the bond phenomena were assessed. The experimental program is described and the obtained results are presented and analysed in this paper.
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spelling Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beamsStrengtheningShearETSSteelConcreteThe use of near-surface mounted (NSM) technique has been proved to be very effective to increase the flexural and shear resistance of reinforced concrete (RC) beams. However, the NSM is not applicable for the shear strengthening of RC slab, thus a new technique was developed (ETS – Embedded Through-Section), consisting in opening holes across the slab thickness in the shear zone, where bars are inserted and bonded to concrete by an adhesive material. To assess the contribution of the bond mechanism for the shear strengthening effectiveness of this technique, a comprehensive pullout test program was carried out, where the influences of the type of adhesive, a thickness of the adhesive layer, diameter of the strengthening bar and bond length on the bond phenomena were assessed. The experimental program is described and the obtained results are presented and analysed in this paper.Fundação para a Ciência e a Tecnologia (FCT)Universidad Federal de la Integración Latinoamericana (UNILA)Universidade do MinhoDalfré, GláuciaBarros, Joaquim A. O.20132013-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/26250enginfo: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:RCAAP2023-07-21T11:55:30Zoai:repositorium.sdum.uminho.pt:1822/26250Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T18:45:03.202754Repositório 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 Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
title Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
spellingShingle Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
Dalfré, Gláucia
Strengthening
Shear
ETS
Steel
Concrete
title_short Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
title_full Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
title_fullStr Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
title_full_unstemmed Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
title_sort Steel bar - concrete bond behaviour in the context of the ETS shear strengthening technique for RC beams
author Dalfré, Gláucia
author_facet Dalfré, Gláucia
Barros, Joaquim A. O.
author_role author
author2 Barros, Joaquim A. O.
author2_role author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Dalfré, Gláucia
Barros, Joaquim A. O.
dc.subject.por.fl_str_mv Strengthening
Shear
ETS
Steel
Concrete
topic Strengthening
Shear
ETS
Steel
Concrete
description The use of near-surface mounted (NSM) technique has been proved to be very effective to increase the flexural and shear resistance of reinforced concrete (RC) beams. However, the NSM is not applicable for the shear strengthening of RC slab, thus a new technique was developed (ETS – Embedded Through-Section), consisting in opening holes across the slab thickness in the shear zone, where bars are inserted and bonded to concrete by an adhesive material. To assess the contribution of the bond mechanism for the shear strengthening effectiveness of this technique, a comprehensive pullout test program was carried out, where the influences of the type of adhesive, a thickness of the adhesive layer, diameter of the strengthening bar and bond length on the bond phenomena were assessed. The experimental program is described and the obtained results are presented and analysed in this paper.
publishDate 2013
dc.date.none.fl_str_mv 2013
2013-01-01T00:00:00Z
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/1822/26250
url http://hdl.handle.net/1822/26250
dc.language.iso.fl_str_mv eng
language eng
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 Universidad Federal de la Integración Latinoamericana (UNILA)
publisher.none.fl_str_mv Universidad Federal de la Integración Latinoamericana (UNILA)
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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