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Punching shear strengthening of flat slabs: CFRP and shear reinforcement

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dc.contributor.authorMoreno, Carlos
dc.contributor.authorFerreira, Débora
dc.contributor.authorBennani, Abdelkrim
dc.contributor.authorSarmento, Ana
dc.contributor.authorNoverraz, Michel
dc.date.accessioned2018-02-15T15:03:30Z
dc.date.available2018-02-15T15:03:30Z
dc.date.issued2015
dc.description.abstractPunching in slabs is usually 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 slabcolumn connection, which is subjected to a very complex three-dimensional stress state. Provided that bending capacity is installed, punching shear failure is hence characterized by the development of a truncated cone shaped surface at the slab-column connection. 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. Frequently, there is the need to strengthen existing flat slabs against punching shear failure. Current paper intends to further investigate the structural response of such reinforcement techniques. One of the strengthening practices, which have been tested within current experimental programme, consists on gluing carbon fibre reinforced polymers on concrete surface. Moreover, the near surface mounted technique has also been tested within current experimental work. Finally, a fourth specimen served as reference. The effects of shear reinforcement and of the carbon fibre reinforced polymers enhancing punching shear capacity are observed.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMoreno, Carlos; Ferreira, Débora; Bennani, Abdelkrim;Sarmento, Ana; Noverraz, Michel (2015). Punching shear strengthening of flat slabs: CFRP and shear reinforcement. In Concrete – Innovation and Design, fib Symposium. Copenhagenpt_PT
dc.identifier.urihttp://hdl.handle.net/10198/15774
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFibpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPunching shearpt_PT
dc.subjectCFRPpt_PT
dc.subjectNSMpt_PT
dc.subjectBuilding codespt_PT
dc.subjectExperimental testspt_PT
dc.titlePunching shear strengthening of flat slabs: CFRP and shear reinforcementpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceCopenhagenpt_PT
oaire.citation.titleConcrete – Innovation and Design, fib Symposiumpt_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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