直接焊接K型、KK型間隙方管節(jié)點靜力性能的研究.pdf

1、哈爾濱工業(yè)大學碩士學位論文直接焊接K型、KK型間隙方管節(jié)點靜力性能的研究姓名：向斌申請學位級別：碩士專業(yè)：結構工程指導教師：武振宇20050101AbstractAmongthedirectlyweldedSHS(squarehollowsection)joints，gappedKtypeandKK—typeSHSjointsareverypopularstructuralelementsInthispaperaANSYSnonline

2、arfiniteelementanalysiswasconductedThestaticbehaviourofgappedK—typeandKK—typeSHSjointsundertheconditionofthedifferentchordaxialloadsornochordaxialloadwasstudiedbyusingatypicaljointanalysisandalargescalevariableparametera

3、nalysismethodsAbout360jointsarecalculatedNotonlytheupwardanddownwardphasesoftheload—displacementcurveweretraced，butalsotheinfluenceofmainparametersonthejoint’Sstiffness，ultimatecapacityjoint’Sdeformationjoint’Sfailuremod

4、es，etcwerestudiedSoundertheconditionofthedifferentchordaxialloadsornochordaxialload，someinfluencelawsofmainparametersontheslaticbehaviourofthegappedKtypeandKK—typeSHSjointsandsomeinfluencelawsofstrengthratioofmainparamet

5、ersbetweenthegappedKK—jointsandKjointswithcorrespondingparameterswerediscoveredAtthesametime，comparisonwasmadebetweentheresultsoffiniteelementanalysisandcodeformulafordesignofsteelstructures(GB500172003)Deficiencyofcodef

6、ormulawaspresentedandproblemrequiringfurtherstudywasputforwardKeepingeverymainparameterconstant，thevariationofstaticbehaviorofjointwasdiscussedundertheconditionofthevaryingchordaxialloadsAtlast，furtherrearchonthegappedK—

7、typeandKKtypeSHSjointswiththebracepositiondeviatingfromtheaxesofthechordundertheconditionofthedifferentchordaxialloadsornochordaxialloadwasdonebytakingintoaccounttheeffectofvaryingthethreemainparametersg，7andbcKeywordsDi