Abstract

The present paper studies the effects of the intermediate loads along members on the ultimate strength, that is, elasto-plastic buckling strength of single layer lattice domes and proposes an effective method to evaluate the buckling strength based on column buckling strength for members which is used to size the member sections. The method is based fundamentally on a concept of column buckling strength in terms of generalized slenderness that includes the effects of shell-like buckling with nonlinear effects before ultimate loads. The results presented in the paper confirm that the proposed method works well for the estimation.

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