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Determination of optimal amount of fiber-reinforced composites on fiber-reinforced composites-wrapped reinforced concrete columns considering cost and strength improvement

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dc.contributor.authorYekrangnia, M.
dc.contributor.authorDiznab, M.A.D.
dc.contributor.authorHassanli, R.
dc.date.issued2023
dc.description.abstractThe aim of this paper is to determine the optimum amount of carbon fiber-reinforced polymer (CFRP) for strengthening columns in reinforced concrete (RC) frames suffering from weak column/strong beam condition. In this study, several parameters affecting the behavior of these frames including the level of columns' axial force, Length and thickness of CFRP laminates are analyzed numerically. Nonlinear static analyses, employing three-dimensional finite element models are performed by an implicit method on 98 model frames having different length and thickness of CFRP and axial load. The results revealed improvements in both strength and ductility of the system when the columns of higher axial load were strengthened; while in strengthening of the columns under lower levels of axial load, the influence of CFRP was only observed in the strength of the system. An optimization method which takes into account the cost of the utilized material and the strength of the system was proposed, and the optimum CFRP length and thickness were determined.
dc.identifier.citationArabian Journal for Science and Engineering, 2023; 48(10):13695-13706
dc.identifier.doi10.1007/s13369-023-07980-w
dc.identifier.issn2193-567X
dc.identifier.issn2191-4281
dc.identifier.orcidHassanli, R. [0000-0001-5855-6405]
dc.identifier.urihttps://hdl.handle.net/11541.2/34657
dc.language.isoen
dc.publisherSpringer
dc.rightsCopyright 2023 King Fahd University of Petroleum & Minerals
dc.source.urihttps://doi.org/10.1007/s13369-023-07980-w
dc.subjectoptimally CFRP-wrapped columns
dc.subjectRC frames
dc.subjectpush-over analysis
dc.subjectFEM
dc.subjectcolumn strengthening
dc.titleDetermination of optimal amount of fiber-reinforced composites on fiber-reinforced composites-wrapped reinforced concrete columns considering cost and strength improvement
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9916774822801831

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