高强冷弯薄壁型钢墙架结构“蒙皮效应”研究

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1、武汉理工大学硕士学位论文高强冷弯薄壁型钢墙架结构“蒙皮效应”研究姓名：李犁申请学位级别：硕士专业：结构工程指导教师：谷倩20091201武汉理工大学硕士学位论文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