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Strengthening slabs for punching shear using fibre reinforced polymer

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dc.contributor.authorMoreno, Carlos
dc.contributor.authorFerreira, Débora
dc.contributor.authorSarmento, Ana
dc.date.accessioned2018-02-15T15:26:37Z
dc.date.available2018-02-15T15:26:37Z
dc.date.issued2016
dc.description.abstractPunching is generally associated to the application of concentrated loads or to the presence of columns. One of the main concerns related to flat slabs is its punching shear capacity at slab‐column connection, which is subjected to a very complex three‐dimensional stress state. Provided that bending capacity is installed, punching shear failure is characterized by the development of a truncated cone shaped surface at the slab‐column connection. Recurrently, there is the need to strengthen existing flat slabs against punching shear failure. The use of fibre‐reinforced polymer (FRP) is an innovative technology to strengthen concrete structures. In this paper, punching shear strengthening of flat slabs using carbon fibre reinforced polymer (CFRP) is studied. The experimental programme carried out by the authors includes four normal strength concrete slabs (1100×1100×100 mm3), with and without shear reinforcement, submitted to punching under a concentrated load. One of the specimens included typical bent‐down bars as shear reinforcement. Among available strengthening practices, the technique that consists on gluing CFRP on concrete surface have been tested within current experimental programme. Moreover, the near surface mounted (NSM) technique has also been tested within current experiments. Finally, a fourth specimen served as reference. The effects of shear reinforcement and of CFRP enhancing punching shear capacity are observed.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMoreno, Carlos; Ferreira, Débora; Sarmento, Ana (2016). Strengthening slabs for punching shear using fibre reinforced polymer. In XII INTERNATIONAL CONFERENCE ON STRUCTURAL REPAIR AND REHABILITATION - CINPAR. Portopt_PT
dc.identifier.urihttp://hdl.handle.net/10198/15776
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFEUPpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPunching shearpt_PT
dc.subjectCFRPpt_PT
dc.subjectNSMpt_PT
dc.subjectExperimental testpt_PT
dc.titleStrengthening slabs for punching shear using fibre reinforced polymerpt_PT
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.conferencePlacePortopt_PT
oaire.citation.titleXII INTERNATIONAL CONFERENCE ON STRUCTURAL REPAIR AND REHABILITATION - CINPARpt_PT
person.familyNameMoreno
person.familyNameFerreira
person.givenNameCarlos
person.givenNameDébora
person.identifier.ciencia-idD81C-FDAD-4D8A
person.identifier.orcid0000-0001-9140-2299
person.identifier.orcid0000-0002-5195-8265
person.identifier.scopus-author-id35334023200
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication4174c2aa-c755-41f3-b0db-19219e39c22f
relation.isAuthorOfPublicationa4fa2eb4-17f1-46a1-ae8e-36f39ad25b39
relation.isAuthorOfPublication.latestForDiscovery4174c2aa-c755-41f3-b0db-19219e39c22f

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