土木工程英文期刊及中文翻译.pdf

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1、thProceedingsofthe6Asia-PacificStructuralEngineeringandConstructionConference(APSEC2006),5–6September2006,KualaLumpur,MalaysiaNONLINEARFINITEELEMENTANALYSISOFREINFORCEDCONCRETETUBEINTUBEOFTALLBUILDINGS12AbdulKadirMarsonoandLeeSiongWee1AssociateProfessor,Dep

2、t.OfStructure&Material,FacultyOfCivilEngineering,UniversitiTeknologiMalaysia.2GraduateStudent,FacultyOfCivilEngineering,UniversitiTeknologiMalaysia,2004.Abstract:Thenon-linearfiniteelementanalysis(NLFEA)haspotentialasareadilyusableandreliablemeansforanalyzi

3、ngofcivilstructureswiththeavailabilityofcomputertechnology.ThestructuralbehaviorsandmodeoffailureofreinforcedconcretetubeintubetallbuildingviaapplicationofcomputerprogramnamelyCOSMOS/Marepresented.Threedimensionalquartermodelwascarriedoutandthemethodusedfor

4、thisstudyisbasedonnon-linearityofmaterial.Asubstantialimprovementinaccuracyisachievedbymodifyingaquartermodelleadingdeformedshapeofoveralltubeintubetallbuildingtodoublecurvature.Theultimatestructuralbehaviorsofreinforcedconcretetubeintubetallbuildingwereach

5、ievedbyconcretefailedincrackingandcrushing.ThemodelpresentedinthispaperputanadditionalrecommendationtopracticingengineersinconductingNLFEAquartermodeloftubeintubetypeoftallbuildingstructures.INTRODUCTIONTubeintubeconceptintallbuildinghadledtosignificantimpr

6、ovementinstructuralefficiencytolateralresistance.Initsbasicform,thesystemcomprisingacentralcoresurroundedbyperimeterframeswhichconsistsofclosedspacedperimetercolumntiedateachfloorlevelbyspandrelbeamstoformatubularstructure.Usuallythesebuildingsaresymmetrica

7、linplan,andtheirdominantstructuralactiontakeplaceinthefourorthogonalframesformingtheperimetertubeandinthecentralcore(AvigdorRutenbergandMosheEisenberger,1983).Underthelateralload,aframetubeactslikeacantileveredboxbeamtoresisttheoverturningmomentandthecentra

8、lcoreactinglikesecondtubewithintheoutsidetube.Inordertogetthemoreaccurateresultofanalysis,thecentralcoremaybedesignednotonlyforgravityloadsbutalsotoresistthelateralloads.Thefloorstructuretiestheexterio