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dc.contributor.authorMahdavi, G.
dc.contributor.authorNasrollahzadeh, K.
dc.contributor.authorHariri-Ardebili, M. A.
dc.date.accessioned2020-02-10T19:12:26Z
dc.date.available2020-02-10T19:12:26Z
dc.date.issued2019-12-07
dc.identifier.citationMahdavi, G.; Nasrollahzadeh, K.; Hariri-Ardebili, M.A. Optimal FRP Jacket Placement in RC Frame Structures Towards a Resilient Seismic Design. Sustainability 2019, 11, 6985.en_US
dc.identifier.issn2071-1050
dc.identifier.doi10.3390/su11246985
dc.identifier.urihttp://hdl.handle.net/10150/636988
dc.description.abstractThis paper proposes an optimal plan for seismically retrofitting reinforced concrete (RC) frame structures. In this method, the columns are wrapped by fiber-reinforced polymer (FRP) layers along their plastic hinges. This technique enhances their ductility and increases the resiliency of the structure. Two meta-heuristic algorithms (i.e., genetic algorithm and particle swarm optimization) are adopted for this purpose. The number of FRP layers is assumed to be the design variable. The objective of the optimization procedure was to provide a uniform usage of plastic hinge rotation capacity for all the columns, while minimizing the consumption of the FRP materials. Toward this aim, a single objective function containing penalty terms is introduced. The seismic performance of the case study RC frame was assessed by means of nonlinear pushover analyses, and the capacity of the plastic hinge rotation for FRP-confined columns was evaluated at the life safety performance level. The proposed framework was then applied to a non-ductile low-rise RC frame structure. The optimal retrofit scheme for the frame was determined, and the capacity curve, inter-story drift ratios, and fragility functions were computed and compared with alternative retrofit schemes. The proposed algorithm offers a unique technique for the design of more resilient structures.en_US
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.rightsCopyright © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectseismic retrofiten_US
dc.subjectfiber-reinforced polymeren_US
dc.subjectconfinementen_US
dc.subjectoptimizationen_US
dc.subjectgenetic algorithmen_US
dc.subjectparticle swarm optimizationen_US
dc.subjectresilient designen_US
dc.titleOptimal FRP Jacket Placement in RC Frame Structures Towards a Resilient Seismic Designen_US
dc.typeArticleen_US
dc.contributor.departmentUniv Arizona, Dept Civil & Architectural Engn & Mechen_US
dc.identifier.journalSUSTAINABILITYen_US
dc.description.noteOpen access journalen_US
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.en_US
dc.eprint.versionFinal published versionen_US
dc.identifier.piisu11246985
dc.source.journaltitleSustainability
dc.source.volume11
dc.source.issue24
dc.source.beginpage6985
refterms.dateFOA2020-02-10T19:12:27Z


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Copyright © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Except where otherwise noted, this item's license is described as Copyright © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).