Nonlinear finite element modeling of rectangular/square concrete columns confined with FRP

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dc.authorid0000-0003-0304-1097en_US
dc.authorid0000-0001-6703-7279en_US
dc.authorid0000-0002-9489-5145
dc.contributor.authorDoran, Bilge
dc.contributor.authorKöksal, Hasan Orhun
dc.contributor.authorTurgay, Tahsin
dc.date.accessioned2021-06-23T19:26:08Z
dc.date.available2021-06-23T19:26:08Z
dc.date.issued2009
dc.departmentBAİBÜ, Mimarlık Fakültesi, Mimarlık Bölümüen_US
dc.description.abstractNumerous confinement models which can be categorized as design or analysis oriented have been proposed for predicting the behavior of fiber-reinforced polymer (FRP)-confined concrete columns. Analysis-oriented models generally use an incremental procedure for plotting the entire stress-strain response while design-oriented models predict the load-carrying and deformation capacities of the column with closed form expressions. As a comprehensive approach, this paper primarily deals with the nonlinear finite element modeling of rectangular/square concrete columns wrapped with FRP in order to simulate the compressive behavior under concentric loading. Adopting cohesion and internal friction values of Drucker-Prager criterion from a previous study of the authors, emphasis is placed on both the determination of confining stress and the lateral-to-axial strain relation. Thirty three small and large scale specimens. including slender columns, tested by four different researchers are numerically analyzed for this crucial relation between the behavior of concrete and composite jacket. The distribution of confining stresses at the mid-height plane of the columns is evaluated on the basis of analysis. Confining stresses obtained from nonlinear finite element analyses (NLFEA) are also compared with both uniform confining pressure for cylindrical specimens and effective stresses calculated by using a shape factor recommended by ACI 440.2R-02. Comparisons show that the confining pressure values obtained from the assumption of uniform stress distribution over the surface of concrete core are consistent with the maximum lateral pressure at the corners while effective lateral pressure can be considered as minimum confining stresses on flat sides. (C) 2008 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.matdes.2008.12.007
dc.identifier.endpage3075en_US
dc.identifier.issn0264-1275
dc.identifier.issn1873-4197
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-67349234876en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage3066en_US
dc.identifier.urihttps://doi.org/10.1016/j.matdes.2008.12.007
dc.identifier.urihttps://hdl.handle.net/20.500.12491/6428
dc.identifier.volume30en_US
dc.identifier.wosWOS:000267746800030en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTurgay, Tahsin
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofMaterials & Designen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectConcreteen_US
dc.subjectColumnen_US
dc.subjectDrucker-Prager Criterionen_US
dc.subjectFinite Element Analysisen_US
dc.subjectFiber Reinforced Polymeren_US
dc.subjectConfinementen_US
dc.subjectShape Factoren_US
dc.titleNonlinear finite element modeling of rectangular/square concrete columns confined with FRPen_US
dc.typeArticleen_US

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