半刚性框架节点性能研究

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1、西南交通大学硕士学位论文半刚性框架节点性能研究姓名：张上申请学位级别：硕士专业：结构工程指导教师：黄慧萱20090301ABSTRACT黝theuninterrupteddevelopmentofresidentialindustryinourcountry，moreandmoretallbuildingofsteelfranlestructureshavebeenapplied．，nleconventionalanalysisanddesignofsteelframeareperformedusingtheassumptionthatconnectionsareeitherfull

2、yrindorideallypinned．Theseidealizedassumptionssimplifytheanalysisanddesignofsteelframeconsumedly，buttheycouldnotreflecttheactualworkconditiOIlSofstructures．Inaddition，intheCodefordesignofsteelstructures(GB50017-2003)，thesemi．rigidconnectionsarereferredto，butarenotspecifiedhowtouseitindesign．Sem

3、i．rigidconnectioneffectsnotonlyintemaltheforceanddisplacement，butalSOthestabilityanddynamiccharacteristicsofstructure，Accordingtotheseproblems，somesuggestionsareproposedinpresentstudy，buttheyarenotcomprehensivewhenitcomestOhowtotakeconsiderationoftheeffectofsemi．rigidconnectiononstructureperfor

4、manceduringtheprocessofstructuraldesign．Aimedatthepoint，thecharacteristicsofatypicalsemi-．rigidconnection-·-joint-topandseatanglewithdoublewebanglessemi-rigidconnectionarediscussedandstudied．Thepresentfindingsofsemi．rigidconnections，themethodfordesignofbeam—to．columnconnectionsinthecodesfromChi

5、naandothercountries，andthecharacteraboutsemi．rigidconnections，werebrieflyintroducedinthisPaper．ThesimulatedmethodoftheM．．0relationCUlWeofsemi．．rigidconnections，thecomputingequationsabouttheinitialstiffnessandmomentcapacitiesofioint-topandseatanglewithdoublewebanglessemi．rigidconnection，weredisc

6、ussed．Thereafter，byusingthenonlinearfiniteelementmethodProgramANSYS，joint—topandseatanglewithdoublewebanglessemi．rigidconnectionareanalyzed，andcontrastiveanalysesarecarriedoutwithtestingresults．Intheend，somesuggestionsaremadetoimprovethecharacterofioint-topandseatanglewithdoublewebanglessemi-ri

7、gidconnection．Theimprovedmodelsarealsoanalyzed．Finallysomeconclusionandcorrespondingdesignsuggestionsareputforward．Keywords=semi--rigidconnection：ANSYS：joint—topandseatangIewithdoubIewebangIessemi—rigidconnection：finiteeIementmeth