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文學論大位州學鄭士碩(科學學位)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:土木工程學科門類:工學專業(yè)名稱:結(jié)構(gòu)工程作者姓名:朱俊濤導師姓名、職稱:王新玲教授2009年4月15日鄭州大學碩士學位論文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