多、高層鋼框架整體穩(wěn)定分析.pdf

1、西南交通大學(xué)碩士學(xué)位論文多、高層鋼框架整體穩(wěn)定分析姓名：劉開(kāi)強(qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：彭偉20070201西南交通大學(xué)碩士研究生學(xué)位論文第lI頁(yè)AbstractWiththedevelopmentofeconomyinORFcountrysteelframestructurehasbeenmoreandmorewidelyusedinindustryInordertoanalyzethestabilityofsteel

2、structure，WeshouldfirstlyfocusontheoverallstabilityofthesteelframeHoweverthecurrentmethodeffectivelengthisbasedonthecalculationonstabilityofthecolumninsteadofthesteelframeConsideringtheimpactontheinnerforcec：lusedbydefor

3、mation也canalysisbasedontheinnerforceofthesteelframestructurehasbeenrevisedintheneweditionofCodefordesignofsteelstructure(GB500172003)Inthisrevision，secondorderelasticanalysis011theequation町一∑Ⅳ血／∑JjrIIo1ofsteelframesstruc

4、turehasbeenraisedIntheprocessofsecondorderelasticanalysis，thehorizontalloadisaddedtocolumntoptodealwiththeh1丑ucuceoninnerforcecausedbyvariousdefectsofstructuresandleversThisthesispointsoutatheoreticalanalysisoftheultimat

5、eloadcanyingcapacityanddeformationoftheunbmcedidealsteelframesItevaluatesthepracticalityofthebookCodefordesignofsteelstructure(GB500172003)inanalysistheinternalforceofsteelframe；，andgivessomesuggestionOilthestructureanal

6、ysisanddesignofsteelframeTheANSYSasafinitesoftwareistakenasmechanicalanalysisapproachcombinedwithgeometricandmaterialnonlinerf矗eresultshowsthatthe60匝conformtoeachOtherItsimulatesthewholeprocessofelasticplasticbehaviourof

7、ultimatebearingcapacityandiscomparedwithresultsoftheotherdocuments，andtheanalyzedmethodhasbeendefinitelyprovedpracticaLThroughanalysisofsomeexamples，withthemethodsoffirstorderelasticanalysissecondelasticanalysisandthenot

8、ionalIoadapproachesrecommendedinthebookCodefordesignofsteelstnlcnl聆(GB500172003)andothermethods，itcarriesactacomparativeanalysisoftheframestructureTheresultshowsfnstorderplasticanalysiswouldbetakenincalculationoftheframe