Abstract
As a generalization of the in-plane limit theory for cantilever beam-columns subjected to cyclic bending, a finite element analysis method is proposed. Analyses are performed for beam-columns of square cross-section using the incremental perturbation method. In-plane limits of tip deflection amplitude are parametrically calculated for axial force ratios by the application of the in-plane limit theory. Accuracy of those limits is verified by hysteretic response analyses for the beam-columns. Out-of-plane deformation is exponentially increased under an amplitude in excess of the in-plane limit.
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