Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/58391

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dc.contributor.authorRibeiro, Filipe Jorge Teixeirapor
dc.contributor.authorSena-Cruz, Josépor
dc.contributor.authorBranco, Fernandopor
dc.contributor.authorJúlio, Eduardopor
dc.date.accessioned2019-01-21T09:50:53Z-
dc.date.available2019-01-21T09:50:53Z-
dc.date.issued2018-09-
dc.date.submitted2018-03-
dc.identifier.citationRibeiro, F., Sena-Cruz, J., Branco, F. G., & Júlio, E. (2018). Hybrid FRP jacketing for enhanced confinement of circular concrete columns in compression. Construction and Building Materials, 184, 681-704por
dc.identifier.issn0950-0618por
dc.identifier.urihttp://hdl.handle.net/1822/58391-
dc.description.abstractThe main goal of the study herein described was to evaluate the performance of an innovative confining unidirectional hybrid FRP solution for circular concrete columns, exploiting the hybrid effect and pseudo-ductility of FRP jackets made of different fibres. First, an experimental study on the compressive stress-strain curves of small-scale plain circular concrete columns confined with hybrid FRP was conducted. Jackets were produced with dry unidirectional fabrics of high-modulus carbon, standard-modulus carbon, E-glass, and basalt. Different combinations were tested, varying the number of layers of each material. Next, two new simple design-oriented models were developed in order to predict the compressive peak stress of compressed concrete columns confined with hybrid FRP jacketing. Predictions were in close agreement with test results. Finally, an existing analysis-oriented model developed for non-hybrid FRP-confined concrete was adapted to also predict dilation and the compressive stress-strain curve of hybrid FRP-confined concrete. Likewise, predictions were in close agreement with test results. It was concluded that hybridisation can effectively contribute to maximize the lateral strain efficiency of FRP jacketing and its behaviour can be predicted with the developed analytical models.por
dc.description.sponsorshipPTDC/ECM-EST/1282/2014; POCI-01-0145-FEDER-007633; FCT – Portuguese Foundation for Science and Technology and to the Doctoral Program Eco-Construction and Rehabilitation for supporting the PhD grant (PD/BD/52660/2014). Acknowledgements are extended to the following programs that partially supported the study herein presented: European Funds for Regional Development (FEDER) through the Operational Program for Competitiveness Factors (COMPETE), Operational Program for Competitiveness and Internationalization (POCI), and again FCT through both FRPLongDur POCI-01-0145-FEDER-016900 (FCT reference PTDC/ECM-EST/1282/2014) and POCI-01-0145-FEDER-007633 projectspor
dc.language.isoengpor
dc.publisherElsevierpor
dc.rightsopenAccesspor
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/por
dc.subjectHybrid FRP jacketingpor
dc.subjectConcrete confinementpor
dc.subjectCircular concrete columnspor
dc.titleHybrid FRP jacketing for enhanced confinement of circular concrete columns in compressionpor
dc.typearticle-
dc.peerreviewedyespor
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0950061818316428por
oaire.citationStartPage681por
oaire.citationEndPage704por
oaire.citationVolume184por
dc.identifier.essn1879-0526por
dc.identifier.doi10.1016/j.conbuildmat.2018.06.229por
dc.subject.fosEngenharia e Tecnologia::Engenharia Civilpor
dc.description.publicationversioninfo:eu-repo/semantics/publishedVersionpor
dc.subject.wosScience & Technologypor
sdum.journalConstruction & Building Materialspor
Appears in Collections:ISISE - Artigos em Revistas Internacionais

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