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《拱式轉(zhuǎn)換層結(jié)構(gòu)彈塑性抗震性能研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、華東交通大學(xué)碩士學(xué)位論文拱式轉(zhuǎn)換層結(jié)構(gòu)彈塑性抗震性能研究姓名：王慶華申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：張敏20080710AbstractRESEARCHONELASTIC-PLASTICSEISMICPERFORMANCEOFARCHTRANSFERFLOORABSTRACTThearchtransferfloorisanewtypeoftransferstorystructure,whichhasmajoradvantagesuchasstrongstiffness,lightweight,largespan,andcansupplymoreusefulspacef
2、orowner.Researchingonelastic-plasticseismicperformanceofarchtransferflooristheemphasisofthispaper,sopseudo-staticanalysis,dynamicelastic-plastictimehistoryanalysisandstaticelastic-plasticanalysis(Pushover)areadoptedtoresearchthiskindofstructureoverall.Themoment-curvaturerelationofmembersecti
3、onisthefoundationofstructurenonlinearanalysis,andthereforethispaperintroducesthecomputationofthemoment-curvaturecurveandanalysestheductilityofpressionandbendingmember.Theload-displacementhystereticcurveisacquiredbypseudo-staticanalysisprogramestablishedwiththeMATLABlanguage,andiscomparedwith
4、theexperiment.Thesingle-componentmodelbasedonmoment-rotationrelationisadoptedinthepseudo-staticanalysisprogram.Thetri-linearrestoringforcemodelwithconsiderationofrigiditydegradationisadoptedinthemoment-ratationrelation.Thecalculationmethodoftheprogramisconvenientandreliable,andcanbeappliedto
5、analysetheelastic-plasticperformanceofthestructure.Inthispaper,thebasicprincipleoftheelastic-plasticdynamicandstaticanalysisisintroducedindetail,andtheanalysisofarchtransferfloorisconductedbyEPDAandPUSHmoduleofPKPMserialsoftwaredevelopedinChinaAcademyofBuildingResearch.Undersevereearthquaket
6、heelastic-plasticrespondsofarchtransferstructureindicatethatthetransferflooritselfisnoteasytoproducestorydriftbecauseofitsexcellentintegrity.Theratioofequivalentlateralstiffnessγehasmuchinfluenceonstorydrift,storydriftangle,storyshearforce,andthelocationofweakstory.Thebottomcolumnendsandthec
7、olumnbottomendintheadjacentstoryabovethetransferfloorarethestructureweakpointsandareeasytoyieldandproducetheplastichinge,whichmustbestrengthened.KeyWords:archtransferfloor,singlecomponentmodel,thetri-linearrestoringforcemodelwithconsiderationofrigi
