Analysis and behaviour of FRP-confined short concrete columns subjected to eccentric loading-中国期刊网

摘要 Fibre-reinforcedpolymer(FRP)compositeswerewidelyutilizedincivilengineeringstructuresastheretrofitofreinforcedconcrete(RC)columns.TodesignFRPjacketssafelyandeconomically,thebehaviourofsuchcolumnsshouldbepredictedfirst.ThispaperisconcernedwiththeanalysisandbehaviourofFRP-confinedRCcircularandrectangularshortcol-umnssubjectedtoeccentricloading.Asimpledesign-orientedstress-strainmodelforFRP-confinedconcreteinasectionanalysiswasfirstproposed.Theaccuracywasthenprovedbytwotestdata.Followingthat,aparametricstudyincludingamountofFRPconfinement,FRPstraincapacity,unconfinedconcretestrengthandshapeofcolumnsectionisprovided.Someconclusionswereobtainedattheendofthepaper.TheworkherewillprovideacomprehensiveunderstandingofthebehaviourofFRP-confinedconcretecolumns.Thesimplicityofthemodelalsoenablesasimpleequivalentstressblocktobedevelopedfordirectuseinpracticaldesign.

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Analysis and behaviour of FRP-confined short concrete columns subjected to eccentric loading

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Analysis and behaviour of FRP-confined short concrete columns subjected to eccentric loading

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