組立柱と骨組の座屈の関連性

概要

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In calculating critical loads of built-up columns, shearing deformations must be considered, and Timoshenko and Bleich gave solutions for them. On the other hand, as for buckling of frames, nomographs, calculation charts and evaluation equations of effective length for calculation of effective length have been presented. It has been generally thought that buckling of built-up columns completely differ from buckling of frames. In calculating critical loads and effective length, the difference between buckling as built-up columns and buckling as frames is that built-up columns buckle as a member by expansions and contractions of chords whereas expansions and contractions of columns in the buckling of frames is not generally considered. In this paper, the relationship between built-up columns and frames about buckling is investigated.
一般社団法人日本建築学会の論文
2009-03-27