履歴型ダンパー付鋼構造ラーメン骨組の魚骨形地震応答解析モデル

概要

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Structural control has paid much attention to seismic design to relieve the damage of moment frames even against strong ground motion. As one of the passive structural control system, hysteretic dampers are widely used recently in Japan. This paper proposes the formulation of modeling of the multistory planar moment resistant frame with hysteretic damper system to fishbone-shaped frame without numerical analysis such as push-over and so on. This model can predict the earthquake response such as story drift, cumulative plastic deformation of member for the seismic response analysis of the passive structural control system. It is important to estimate strength and stiffness of damper system for the modeling of moment frames with hysteretic damper, because the earthquake response of the moment frames with hysteretic damper is largely affected by the strength ratio and stiffness ratio of the damper system to the moment frames. And the propriety of the modeling is presented by numerical examples.
2002-12-30