粘弾性ダンパーの等価剛性の調節による制振構造の応答制御手法

概要

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Simplified theories on seismic peak response evaluation and preliminary design of the visco-elastically damped building are proposed. They are based on the single-degree-of-freedom (SDOF) idealization of multistory building, and produce the so-called "control performance curve" expressing the peak responses as a function of stiffnesses of all components, based on spectral characteristics of the earthquake. Against the target peak response stipulated, the curve clearly shows necessary stiffness balance between damper and other elements. A rule to convert the SDOF design to multistory design, with a consideration to distribute damper stiffness over the building height, is also presented. Accuracy of the design approach is demonstrated via numerous time history simulations of a wide range of multiple-degrees-of-freedom (MDOF) models.
社団法人日本建築学会の論文
2006-12-30