冷弯薄壁型钢C-C型梁柱钢板-螺栓节点力学性能研究的中期报告摘要本研究采用数值分析方法，对冷弯薄壁型钢C-C型梁柱钢板-螺栓节点的力学性能进行了分析。首先，建立了节点的有限元模型；其次，采用非线性静力学分析方法，对节点的受力性能进行了计算和分析，并得出了节点的应力、应变和变形等相关信息。最后，对节点的疲劳寿命和承载能力进行了评估，并提出了相关的结论和建议。关键词：冷弯薄壁型钢、C-C型梁柱、钢板-螺栓节点、力学性能、数值分析AbstractThemechanicalperformanceofcold-formedthin-walledsteelC-Cbeam-columnsteelplate-boltconnectionswasanalyzedusingnumericalanalysismethodsinthisstudy.First,afiniteelementmodeloftheconnectionwasestablished.Then,nonlinearstaticanalysismethodwasusedtocalculateandanalyzetheforceperformanceoftheconnection,andrelatedinformationsuchasstress,strain,anddeformationwereobtained.Finally,thefatiguelifeandbearingcapacityoftheconnectionwereevaluated,andrelevantconclusionsandrecommendationswereproposed.Keywords:cold-formedthin-walledsteel,C-Cbeam-column,steelplate-boltconnection,mechanicalperformance,numericalanalysis