補強はりを有する柱の圧縮座屈後変形

概要

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Theoretical analyses are presented for postbuckling behavior of compressed columns reinforced with a beam, considering the effect of non-linearity due to a stretching of the beam, under three sets of boundary conditions. Introducing the coordinate function which is expressed with the product of the power series truncated with fourth order and the trigonometrical function to the Galerkin procedure, basic equations are reduced to coupled non-linear equations for unknown coefficients. The deflections of the column with the reinforcing beam are determined in each boundary conditions. Stabilities for the deformation of the columns are also examined. It is found that the reinforcing beam with immovable clamped ends and an appropriate supporting point gives high rigidity in the postbuckling state of the columns.
一般社団法人日本機械学会の論文
1988-06-25