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Behaviour of reinforced-concrete flat slabs with stirrups under reversed horizontal cyclic loading

2020-04-01Artigo científico Acesso aberto
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dc.contributor.authorAlmeida, André F. O.
dc.contributor.authorAlcobia, Bruno
dc.contributor.authorOrnelas, Miguel
dc.contributor.authorMarreiros, Rui
dc.contributor.authorRamos, António Pinho
dc.contributor.institutionDEC - Departamento de Engenharia Civil
dc.contributor.institutionCERIS - Polo NOVA
dc.contributor.pblThomas Telford Services Ltd
dc.date.accessioned2020-11-24T23:57:15Z
dc.date.available2020-11-24T23:57:15Z
dc.date.issued2020-04-01
dc.descriptionFundacao para a Ciencia e a Tecnologia - Ministerio da Ciencia, Tecnologia e Ensino Superior through scholarship number SFRH/BD/119772/2016.
dc.description.abstractThis paper describes the experimental campaign to study the behaviour of reinforced-concrete flat slab structures with steel stirrups as punching shear reinforcement, under combined vertical and horizontal cyclic loading. The vertical load was first applied and kept constant during the test, while, regarding the cyclic horizontal loading, imposed cyclic drifts were increased until failure. Four slab specimens with shear reinforcement were tested and the results compared to a control slab specimen without shear reinforcement. The studied variables were different shear reinforcement ratios and the number of stirrup layers. The slabs were 4·15 × 1·85 m2 and 0·15 m thick, connected to two steel half-columns. The test setup used was developed by the research team and aimed to simulate the boundary conditions of a flat slab, representing the slab between middle spans in one direction and between zero bending moment points in the other direction. Results show that the use of steel stirrups as shear reinforcement is very effective, increasing shear, drift and energy dissipation capacities. The obtained results were also compared to the provisions given by European and American codes.en
dc.description.versionauthorsversion
dc.description.versionpublished
dc.format.extent18
dc.format.extent3146723
dc.identifier.doi10.1680/jmacr.18.00209
dc.identifier.issn0024-9831
dc.identifier.otherPURE: 18122443
dc.identifier.otherPURE UUID: 9f17b79b-4c6e-4985-b7a1-a64fa4430f18
dc.identifier.otherScopus: 85076043860
dc.identifier.otherWOS: 000518384600002
dc.identifier.otherORCID: /0000-0001-9496-4991/work/81722595
dc.identifier.urihttp://hdl.handle.net/10362/107733
dc.identifier.urlhttps://www.scopus.com/pages/publications/85076043860
dc.language.isoeng
dc.peerreviewedyes
dc.subjectApparatus & methods/testing
dc.subjectPunching/testing
dc.subjectStructural elements
dc.subjectCivil and Structural Engineering
dc.subjectBuilding and Construction
dc.subjectGeneral Materials Science
dc.titleBehaviour of reinforced-concrete flat slabs with stirrups under reversed horizontal cyclic loadingen
dc.typejournal article
degois.publication.firstPage339
degois.publication.issue7
degois.publication.lastPage356
degois.publication.titleMagazine of Concrete Research
degois.publication.volume72
dspace.entity.typePublication
rcaap.rightsopenAccess

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