1999 Volume 64 Issue 526 Pages 53-59
This paper presents parametric studies to obtain inelastic dynamic response characteristics of torsionally unbalanced single-story models. The following four models are analyzed; 1) models with unbalanced mass, 2) models with unbalanced shear-strength, 3) models with unbalanced stiffness and 4) models with unbalanced shear-strength and stiffness. Major findings are as follows: (1) the total energy input is constant; (2) the energy input causing damages is constant if the shearstrength of models is constant; and (3) the damage concentration can be estimated by the first eigen mode and by the deviation of the yield shear force from the optimum one.
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