带可更换构件的RCS混合框架结构受力特性及抗震设计方法.docx

带可更换构件的RCS混合框架结构受力特性及抗震设计方法
Abstract
Thispaperintroducesthestructuralbehaviorandseismicdesignmethodologyofahybridframestructurewithreplaceablecomponents.Thereplaceablecomponentsofthehybridframestructure,suchasreinforcedconcreteshearwallsandsteelcolumns,aredesignedtobeeasilyreplacedafteraseismicevent.Thepaperpresentsthestructuralanalysisanddesignofthehybridframestructureconsideringseismicloadsandprovidesamethodologyforseismicdesignofthistypeofstructure.Theproposeddesignmethodologyensuresthesafetyandresilienceofthestructureduringearthquakes.
Introduction
Therecentoccurrenceofdevastatingearthquakesinvariouspartsoftheworldhashighlightedtheneedforrobustandresilientbuildingstructuresthatcanwithstandseismicloads.Theconventionalstructuralsystems,whichwereprimarilydesignedtoresistgravityloads,arenotsuitabletoeffectivelyhandletheseismicloads.Structuralengineers,therefore,havebeenprimarilyworkingonthedevelopmentofmoreseismic-resistantstructuralsystemssuchasreinforcedconcreteshearwalls,steelmomentframes,etc.However,itcanbenotedthatthereplacementoftheseseismic-resistantstructuralelementsafteraseismiceventisachallengingandexpensivetask.
Theconceptofreplaceableseismic-resistantstructuralelementsisaninnovativeapproachtomitigatethedamagetobuildingsduringanearthquake.Thedesignofahybridframestructurewithreplaceablecomponentshasbeendevelopedasanalternativetotheconventionalstructuralsystems.Thekeyideaofthisdesignistoinstallreplaceablecomponents,suchasreinforcedconcreteshearwallsandsteelcolumns,intheframestructure,whichcanbeeasilyreplacedafteraseismicevent.Thereplaceablecomponentscanbeprefabricatedoff-site,allowingforrapidconstructionandreplacementintheeventofdamage.Thisdesignprovidesastructuralsolutionthatcanbeeasilyrepairedandreplacedafteranearthquake,thusensuringtheresilienceofthebuilding.
Thispaperpresentsanoverviewofthestructuralanalysisanddesignofahybridframestructurewithreplaceablecomponents.Theseismic-resistantcomponentsaredesignedtobeeasilyreplacedafteraseismicevent,ensuringtheo