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1、工学硕士学位论文FRP约束矩形钢筋混凝土柱反复受压性能CyclicBehaviourofRCRectangularConcreteColumnStrengthenedwithCFRPCompositesHaythamF.A.Isleem哈尔滨工业大学2015年7月国内图书分类号:TU375学校代码:10213国际图书分类号:624密级:公开工学硕士学位论文FRP约束矩形钢筋混凝土柱反复受压性能硕士研究生::HaythamF.A.Isleem导师::王震宇教授申请学位::工学硕士学科::土木工程所在
2、单位::土木工程学院答辩日期::2015年7月授予学位单位::哈尔滨工业大学DissertationfortheMasterDegreeinEngineeringCyclicBehaviourofRCRectangularConcreteColumnStrengthenedwithCFRPCompositesCandidate:HaythamF.A.IsleemSupervisor:Prof.WangZhenyuAcademicDegreeAppliedfor:MasterofEngineerin
3、gSpeciality:CivilEngineeringAffiliation:SchoolofCivilEngineeringDateofDefence:July,2015Degree-Conferring-Institution:HarbinInstituteofTechnologyDissertationfortheMaster’sdegreeinEngineering,HITABSTRACTSincetheearly1990s,alargenumberofresearchhasrisenc
4、ontinuouslyonthemonotonicofconcretecolumnsexternallyjacketedwithFRPcompositewraps,includingbothexperimentalandanalyticalstudies.Aslightlygrowingnumberofstudieshaverecentlyconcentrated,incontrast,onthecyclicbehaviorofsmallandmedium-sizeconcretecolumnsc
5、onfinedwithfiber-reinforcedpolymer(FRP)sheets.However,mostoftheup-to-dateliteratureonthebehaviorofFRP-confinedcompressionmembershasfocusedextensivelyonsquareandcircularunreinforced(plain)concretecolumns.Infact,itiswellknownthatthedominantstructuralbui
6、ldingsRCcolumnsarerectangular,andthestudieshaveclearlyrevealedthatthebehaviorofthesecolumnsmainlydependsonseveralfactorssuchasaspectratioofcross-section,confiningreinforcement,sharpnessofthesectioncorners,etc.Accordingtotheliterature,researchontheinfl
7、uenceofside-aspectratio,height,largercross-section,andratioofinternalsteelreinforcementonthebehaviorofaxiallycyclicloadedrectangularreinforcedconcretecolumnsconfinedwithCFRPcompositesis,however,verylimited.Toaddresssuchknowledgegaps,thispaperpresentsa
8、pilotresearchprovidingacomprehensivepooloflaboratorytestingresultsof42large-scaleRCcolumnstestedundermonotonicandcycliccompressiveloadsafterbeingstrengthenedwithcarbonfiber-reinforcedpolymer(CFRP)composites.Theexperimentalstudydealswithaseries