碳纖維布加固混凝土框架抗震性能研究及有限元分析.pdf

1、10459200612021081402014文學(xué)論大位州學(xué)鄭士碩(科學(xué)學(xué)位)碳纖維布加固混凝土框架抗震性能研究及有限元分析院系名稱(chēng):土木工程學(xué)科門(mén)類(lèi):工學(xué)專(zhuān)業(yè)名稱(chēng):結(jié)構(gòu)工程作者姓名:朱俊濤導(dǎo)師姓名、職稱(chēng):王新玲教授2009年4月15日鄭州大學(xué)碩士學(xué)位論文ABSTRACTWiththeeconomieandsoeialdeveloPment，theeonstruetionsoftenneedberePaired，strengthened

2、rehabilitatedfbuildingfuionalehangesinagingbuildings、designeonstrUetionmistakeineivilengineeringarea.Itwaseonsideredtobeofexeellentmechanicalstrengthlowweight，imrnunitytoemsion，eonvenieneeinuse.AtPresent，thestudyusedinRe

3、infeedConeretestrUeturesstrengthenedbyCFRPmostlyeoneentrateinthebeam，Plate，eolurrmnodebothathomeabroad.ButthestudythattheoverallR.CframesarestrengthenedbyCFR衛(wèi)sheets15relativelysmall.hithisPaper，theoverallPerfeet一CFRPrein

4、fcedeonereteframe，ea幣edoutundersimulatedseismieexPerimentwaseonduetedtostudythemeeh耐smofitsfceandseismiePerfmanee.Themainreseareheonientsareasfollows:BasedontwolayersofindustrywkshoPsasProjeetbaekground，tw.Cframetestmode

5、lsweredesignedwiththesealel:3.Then，low一eyeleandrePeatedloadwasdesignedandeomPletedteachthemaximumcaPaeityoftheframeworkandtofmabodysystem.disPlacementoftheframework，StrainofthesteelandCF即andthesituationoferackswerereeord

6、edinthisexPeriment.Basedonthetestunderlow一eyeleandrePeatedloads，theeurvessuehasload一disPlacementhysteresiseurve，load一skeletoneurve，hysteresiseurvesofthesteelbarandCFRParedrawnoutandseismieProPertiesofthePerfeetR.Cfr田的est

7、rengthenwithCFRParestudied.Theresultsshowthat:Theearryingeapacity，eraekingload，如eldloadofthereinfroeedframewkarehigherthantheframewkofnon一reinfeed.And，theduetilityPerfmanee，hysteretieenergyeapaeityarebeterthanthenon一rein

8、fcedframeworkandrelativelyslowdegradationofsti而ess.So，theeonereteframeworkPerfeetreinfeedbyCFRPhasagoodseismiePerfmanee.Finally，thePilotca幣edoutasimulationanalysisbyuseofthefiniteelementanalysissofiwareANSYS.resultsshowe

9、dthat:theuseoffiniteelemenlmethodcanrefleetthestruetureofthehorizonalloadeharaeteristicsofthetrialhasPlayedacomPlementaryrole.Keywords:eonereteframestrUetures，CFRI，reinfcement，lowlevelsofeyelieloading，finiteelementanalys