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Slab–column connection punching and ductility improvement methods for seismic response of buildings with flat slabs

2022-06Artigo científico Acesso aberto
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dc.contributor.authorIsufi, Brisid
dc.contributor.authorAlmeida, André
dc.contributor.authorMarreiros, Rui
dc.contributor.authorRamos, António Pinho
dc.contributor.authorLúcio, Válter
dc.contributor.institutionDEC - Departamento de Engenharia Civil
dc.contributor.institutionCERIS - Polo NOVA
dc.contributor.pblThomas Telford
dc.date.accessioned2022-09-26T22:29:01Z
dc.date.available2023-07-01T00:31:56Z
dc.date.embargoedUntil2023-06-30
dc.date.issued2022-06
dc.descriptionTDC/ECI‐EST/30511/2017 EXPL/ECM‐EST/1371/2013 EXPL/ECM‐EST/1371/2013 PTDC/ECI‐EST/30511/2017
dc.description.abstractReplicating boundary conditions of slab–column connections under seismic loading in a realistic manner is difficult, and different test setups have been used throughout the years. An innovative test setup has been developed at NOVA School of Science and Technology, and it has been used to test various punching shear behavior enhancement methods, including stirrups, headed studs, fiber-reinforced concrete (FRC), high-strength concrete (HSC), and post-installed bolts under similar conditions. The aim of this paper is to compare the results from these different solutions for seismic loading. It is shown that relatively large drift ratios at failure can be achieved in slabs containing shear reinforcement. However, less conventional methods such as FRC and HSC are shown to be promising alternatives. Compared to reference specimens that failed at 1% drift, the other specimens with various enhancement methods achieved significantly higher drifts, ranging from 2.5% to above 6.0%.en
dc.description.versionauthorsversion
dc.description.versionpublished
dc.format.extent14
dc.format.extent287512
dc.identifier.doi10.1002/suco.202100690
dc.identifier.issn1464-4177
dc.identifier.otherPURE: 43361239
dc.identifier.otherPURE UUID: 66afe3b6-8633-43aa-8114-d9d20bac9372
dc.identifier.otherScopus: 85127645406
dc.identifier.otherWOS: 000779693600001
dc.identifier.otherORCID: /0000-0001-9496-4991/work/120010884
dc.identifier.otherORCID: /0000-0002-5864-551X/work/120011028
dc.identifier.urihttp://hdl.handle.net/10362/144029
dc.identifier.urlhttps://www.scopus.com/pages/publications/85127645406
dc.language.isoeng
dc.peerreviewedyes
dc.relationinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FECM%2F114492%2F2009/PT
dc.relationinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FECM%2F114492%2F2009/PT
dc.relationFLAT - Behaviour of Flat Slabs under Cyclic and Seismic Actions
dc.subjectadvanced concrete materials
dc.subjectcyclic loading
dc.subjectflat slab
dc.subjectpunching shear reinforcement
dc.subjectseismic
dc.subjectCivil and Structural Engineering
dc.subjectBuilding and Construction
dc.subjectGeneral Materials Science
dc.subjectMechanics of Materials
dc.titleSlab–column connection punching and ductility improvement methods for seismic response of buildings with flat slabsen
dc.typejournal article
degois.publication.firstPage1385
degois.publication.issue3
degois.publication.lastPage1398
degois.publication.titleStructural Concrete
degois.publication.volume23
dspace.entity.typePublication
oaire.awardNumberPTDC/ECM/114492/2009
oaire.awardTitleFLAT - Behaviour of Flat Slabs under Cyclic and Seismic Actions
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FECM%2F114492%2F2009/PT
oaire.fundingStream3599-PPCDT
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
relation.isProjectOfPublication5cc647c0-5437-4c61-b08a-1f6c647c9dbb
relation.isProjectOfPublication.latestForDiscovery5cc647c0-5437-4c61-b08a-1f6c647c9dbb

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