加固改造中鋼梁—混凝土柱結(jié)構(gòu)框架節(jié)點(diǎn)試驗(yàn)研究

1、同濟(jì)大學(xué)碩士學(xué)位論文加固改造中鋼梁—混凝土柱結(jié)構(gòu)框架節(jié)點(diǎn)試驗(yàn)研究姓名：林少波申請學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：熊海貝20040301AbstractSomebuildingsindowntownneedtobereconstructedtomeetthenewusageswiththedevelopingofcityEspeciallytheworkshopbuildingsinthefactoriesneedtoberetro

2、fittedsometimesInsomecasesofretrofit，anewfloorshouldbeinsertedtOmakemorefloorareasInpractice，steelbeamwithsteel—concreteslabsasanewfloorstructurearegraduallyutilizedbecauseoftheirlowweightandhighstrengthSuchbuildings，mos

3、tofthosebeingreinforcedconcreteframe，weredesignedwithoutseismicconsiderationInretrofit，thewholebuildingstructureshouldberedesignedaccordingtothecurrentstructuraldesigncodesTocombinethenewbeamswithexistingconcretecolumns，

4、anowspecialgussetisdesignedandanewconnectionisbroughtforwardinthispaperThisconnectionisdesignedwiththeideathatspecialgussetsandbeamswhichhadbeenfabricatedinfactoryarcallassembledwithhigbstrengthboltsinsituTheCharacteroft

5、heConnectionisstrengtheningthecoreofcolumnbyangletomeettheseismicdesignwhileconnectingthebeamThisconnectioniSexpectedtOcombinereuofitwithreinforcementeffectivelyInordertOinvestigatethestr∞gthstiffnessfailuremodeandseismi

6、cbehaviorofthenewconnectiontwospecimensinfiallSCaleweretestedundercyclicloadinginThcStateKeyLaboratoryofDisasterReductioninCivilEngineeringofTonalUniversityMoreovernonlineartiniteelementanalysisiSundertakentObeuerunderst

7、andthebehavioroftheconnectionGoodagreementiSfoundbetweenexperimentalresultsandanalysisresultsExperimentalresultsandnumericalanalysisshowedthattheperformanceofconnectioniSustassemirigidconnectionSo，someamelioratiyemethodc