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Title
Japanese: 
English:Elastic critical local buckling load and behavior of local buckling for cold-formed lipped channel steel member under compression 
Author
Japanese: 三井 和也, 五十嵐 規矩夫.  
English: Kazuya Mitsui, Kikuo Ikarashi.  
Language English 
Journal/Book name
Japanese: 
English:Japan Architectural Review 
Volume, Number, Page Vol. 7    Issue 1   
Published date Feb. 2, 2024 
Publisher
Japanese: 
English:WILEY 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
DOI https://doi.org/10.1002/2475-8876.12432
Abstract The objective of this study was to analyze the elastic critical local buckling of cold-formed lipped channel sections using the energy method. A mechanical model and unique displacement functions simulating the local buckling behavior were proposed to consider the plate element interaction. Using the proposed mechanical mode, an analytical formula for local buckling that directly reflects the parameters of the channel member was proposed. Based on the proposed formula, the relationship between the cross-sectional geometry and local buckling behavior was investigated. In addition, a simplified design equation was proposed. The reliability and effectiveness of the proposed equations were presented by comparing with the results of eigenvalue analysis based on the finite element method.

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