軸圧縮される直交異方性円筒ラチスシェルの弾塑性座屈挙動

概要

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This paper discusses elasto-plastic buckling behavior of axially compressed cylindrical latticed shells with orthogonal anithotropy. For the cylindrical latticed shells investigated, characteristics of diagonal members and those of horizontal members are different each other. The discussion, based on continuum analogy and finite element analysis, focuses mainly on the effects due to the variation in stiffness of diagonal members on the buckling behavior, followed by an evaluation for an elasto-plastic buckling strength of the cylindrical latticed shells. As a result, it is confirmed that the variation of stiffness in diagonal members affects strongly the elasto-plastic buckling behavior, and, the evaluation, based on a generalized slenderness of a horizontal member, of an elasto-plastic buckling strength of the cylindrical latticed shells is proved to be applicable to member design.
社団法人日本建築学会の論文
2003-11-30