Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/12748

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dc.contributor.authorMendes, Pedro J. D.-
dc.contributor.authorBarros, Joaquim A. O.-
dc.contributor.authorSena-Cruz, José-
dc.contributor.authorTaheri, Mahsa-
dc.date.accessioned2011-07-08T10:09:24Z-
dc.date.available2011-07-08T10:09:24Z-
dc.date.issued2011-
dc.identifier.issn0263-8223por
dc.identifier.urihttp://hdl.handle.net/1822/12748-
dc.description.abstractIn recent years, the number of pedestrian bridges built from composites materials has notably increased. The combination of fiber reinforced polymers (FRP) profiles with fiber reinforced concrete (FRC) elements is being adopted in this type of structures, since the ductility, high post-cracking tensile strength, compressive stiffness and strength of FRC can be combined with the benefits derived from the use of FRP’s profiles to obtain high performance structural systems. In the context of the present work a 12 m long single span pedestrian bridge with two composite Iprofiles was designed. In terms of deflection requirements imposed by serviceability limit states, the influence of the height and thickness of GFRP (Glass Fiber Reinforced Polymer) profiles, as well as the addition of a thin layer of prestressed carbon fiber sheet in the bottom flange of the GFRP profile was evaluated. Using software based on the finite element method, the structural behavior of the developed structural systems was analyzed. Furthermore, two prototypes of this structural system were built and monitored in order to assess their long-term deformational behavior when subjected to a loading configuration correspondent to the load combination for the deflection serviceability limit states. The main results obtained are presented and discussed.por
dc.description.sponsorshipThis work is part of the research project QREN number 3456, PONTALUMIS- Development of a prototype of a pedestrian bridge in GFRP-ECC concept, involving the Company ALTO - Perfis Pultrudidos, Lda., the ISISE/University of Minho and the ICIST/Technical University of Lisbon. The first and fourth authors wish to acknowledge the research grants under this project. The authors also wish to acknowledge the Civitest Company for the conception and development of the steel fiber reinforced self-compacting concrete used in this work, and to Secil, S&P Clever Reinforcement Iberica Lda. and Hilti Portugal - Productos e Servicos Lda. for the supplied materials and technical support.por
dc.language.isoengpor
dc.publisherElsevierpor
dc.rightsopenAccesspor
dc.subjectPedestrian bridgepor
dc.subjectCompositespor
dc.subjectGFRP pultruded profilespor
dc.subjectFiber Reinforced self-compacting concretepor
dc.subjectCreeppor
dc.subjectFinite element methodpor
dc.titleDevelopment of a pedestrian bridge with GFRP profiles and fibre reinforced self-compacting concrete deckpor
dc.typearticle-
dc.peerreviewedyespor
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0263822311001760por
sdum.publicationstatuspublishedpor
oaire.citationStartPage2969por
oaire.citationEndPage2982por
oaire.citationIssue11por
oaire.citationTitleComposite Structurespor
oaire.citationVolume93por
dc.identifier.doi10.1016/j.compstruct.2011.05.005por
dc.subject.wosScience & Technologypor
sdum.journalComposite Structurespor
Appears in Collections:ISISE - Artigos em Revistas Internacionais

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