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Determination of Effective Buckling Length of Plane Frames using Elastic and Inelastic System Buckling Analysis  

Song, Ju-Young (성균관대학교 토목환경공학과)
Kyung, Yong-Soo (성균관대학교 토목환경공학과)
Kim, Moon-Young (성균관대학교 토목환경공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.18, no.2, 2005 , pp. 169-179 More about this Journal
Abstract
An improved method for evaluating effective buckling lengths of beam-column members in plane frames is newly proposed based on system inelastic buckling analysis. To this end, the tangent stiffness matrix of be am-column elements is first calculated using stability functions and then the inelastic buckling analysis method is presented. The scheme for determining effective length of individual members is also addressed. Design examples and numerical results ?uc presented to show the validity of the proposed method.
Keywords
Plane frame; inelastic buckling analysis; effective buckling length; beam-column element;
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