材料特性對混凝土構件延性的影響

1、同濟大學碩士學位論文材料特性對混凝土構件延性的影響姓名：蔣科衛(wèi)申請學位級別：碩士專業(yè)：土木工程結構工程指導教師：蘇小卒20060301——一一壘!壁!型ABSTRACTReinforcedconcretememberhavinggoodductilityispremisetoensuresturcturehavinggoodductilitySOstudyingmemberductilitityhasimportantsignifica

2、nceAtpresent，researchersofallcountriesgudylargequantitiesofanalysisonfactorsthataffectmemberductility，summarizingrelmionshipbetweeneachfactorandductilityandputtingforwardmeasurestoensurememberhavinggoodductilityButalittl

3、etimespendsonresearchingrequirementsofpercentageelongationofrcbartoinsurememberhavingcertainductilityandwhethermemberductilityexsitingsizeeffectornotBasedontheoreticalanalysisandlargequantitiesofexperimentaldatacollected

4、thispaperanalyzesrequirementsofpercentageelongationofrebartoappropriatelyreinforcedbeamwithsinglyreinforcedrectangularsections，doublyreinforcedrectangularsectionsandflangedsectionsAccordingtobasicassumptionsofcodefordesi

5、gnofconcretestructuresofourcountry，calculationformulaofsectioncurvatureductilitycoefficientanddisplacementductilitycoefficientarededucedRequirementsofpercentageelongationofrebararcputforwardforensuringsectionshavingcerta

6、incurvatureductilitycoefficientandmembershavingcertaindisplacementductilitycoefficientCalculationformulaoflengthofequivalentplastichingeofreinforcedconcreteflexuralmembersandcompression—flexurememberswhichareputforwardby

7、researchersofallaresummariedWhetherlengthofequivalentplastichingeexsitssizeeffectornotisanalyzed。Inaddition，thispapersumsupmainfactorseffectingductilityandadoptedmeasuresincodestoensurememberhavingcertainductilityFinally