Buckling Behavior Analysis on Channel Specimens of Cold-formed Steel
By analyzing the most typical 8 components and taking the appropriate constraint condition,we can establish the finite element analysis model.Considering the influence of slenderness ratio,initial imperfection and depth-width ratio;also basing on the definition of buckling mode,we can draw a more accuracy judgment basis of buckling mode.The main conclusions are: the distortional buckling critical bearing capacity is not sensitive to slenderness ratio;the initial defect can reduce the critical buckling bearing capacity of local member;the depth-width ratio can influence the width-to-thickness ratio and the plate group effect of a section;most Flexion deformity of the components are not Ideal single,it makes essential to analyze the mechanism ofbuckling behavior;eccentricity can weaken the bearing capacity of the components,and influence the buckling mode.
lipped channel buckling mode numerical modeling eccentricity
Zhang Xiaotong Yang Na Peng Xiong Li Ying
School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China
国内会议
杭州
英文
43-52
2012-10-26（万方平台首次上网日期，不代表论文的发表时间）