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1、武漢理工大學(xué)碩士學(xué)位論文高強(qiáng)冷彎薄壁型鋼墻架結(jié)構(gòu)“蒙皮效應(yīng)”研究姓名:李犁申請(qǐng)學(xué)位級(jí)別:碩士專(zhuān)業(yè):結(jié)構(gòu)工程指導(dǎo)教師:谷倩20091201武漢理工大學(xué)碩士學(xué)位論文AbstractTheHigh—strengthcold-formedthin—wallsteelstructuralsystembehavesasenesofadvantagesforthelow—riseresidentialbuildings,includinglightweight,materialsaving,shortdesignandconstructiond
2、uration,energysaving,environmentalprotection,industrializedproductioneasilyandetc—ThisstructuralsystemhaswidelyusedabroadmanyyearsbutusedinChinajustinrecentyears.Domesticenterprisesaremostlyusedabroadsetsoftechnologies,skillandbuildingmaterialsproductionmachines.Since
3、therearegreatdifferencesbetweenabroadandChinainthedesignanditsapplication,SOthatitisessentialtodotheresearchofstressedskindiaphragmonthisstructuresystem.Inthispaper,High··strengthlow·-risecold·-formedthin--wallsteelstructuralsystemofMetFrameConstructionTechnologyCO.LT
4、Dforengineeringbackground,thewallflameistakenasallobjecttoresearchoftheAnti.forcebehavior,stressedskindiaphragmandultimatebearingcapacity.Themainlyresearchstodoarefollowed:(1)UsingANSYSfmiteelementmethodforhigh-strengthcold-formedsteelwallflamestructureoftheindependen
5、teffectsofskinresearch,takingintoaccountthematerialnonlinearityandgeometricnonlinearity,theentireskinstructure,modalanalysis.eigenvaluebucklinganalysisandnonlinearbucklinganalysis.Thecalculatedresultsbasedonfmiteelementanalysisofindependentdestructionofthewallframesha
6、pe,deformationcharacteristicsandultimatestrengthandSOon.(2)Therightcombinationofcold—formedsteelflamingwall”skineffect”toexplore,analyze,’’skineffect”ofthemaindesignmethods,designassumptions,structuralconditions,finiteelementmodeltoestablishprinciplesandfailuremodes,e
7、tc.Analysis¨stressedskindiaphragm”onthecombinationofcold-formedsteelflamingshearwallperformance.(3)Collectandsummarizeoncetheskintestandtheory,dataresearch,getsomehelptothefiniteelementmodelingandanalysismethods.(4)T0explodeandunderstandthemaindesignmethod、designassum
8、ptions、structuralconditions、principleoffiniteelementmodelandfailuremodesof‘‘stressedskindiaphragm”,andresearchinfluenceonshe