Behavior and Design of Web-Slotted Cold-Formed Channels Experiencing Local-Distortional-Global Interactive Buckling

Abstract:

This article aims to shed light on the nonlinear local-distortional-global interactive behavior of web-slotted channel columns by use of the finite element method. The effects of three kinds of initial geometric imperfection based on different distortional buckling mode were evaluated. It indicates that different distortional buckling mode does little difference on the nonlinear interactive buckling behavior of web-slotted channels. Based on the extensive parametric study, some modifications were made to the traditional Effective Width Method for the practical design of web-slotted channel columns undergoing local-distortional-global interactive buckling.

• Periodical: Applied Mechanics and Materials (Volumes 351-352)
• Pages: 747-752
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.351-352.747
• Online since: August 2013
• Authors: Shuai Liu, Qi Jie Ma, Pei Jun Wang
• Keywords: Effective Width Method (EWM), Initial Geometric Imperfection, Interactive Buckling, Web-Slotted Cold-Formed Channel

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