[REQUEST] Journals : The Structural Engineer

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The Post-buckling Behaviour of Laterally Restrained Columns

Author: M.R. Horne and J.L. Ajmani | Size: 600 KB | Format: PDF | Quality: Original preprint | Year: 1971 | pages: 7

The elastic plastic post-buckling behaviour of a column, laterally restrained near one flange and subjected to a uniform major axis bending moment, is investigated, using the concept of a complex plastic hinge situated at mid-height. By considering also the elastic response curve in the presence of initial imperfections, an upper bound to the complete elastic-plastic load deformation relationship is derived. It is shown how this analysis may be used to derive suitable slenderness ratio limits in plastic design procedures for frames containing such members.

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