602 摩擦振り子型免震装置群に関する研究(4 つの免震装置を用いた場合の応答)

概要

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After the Hanshin-Awaji Earthquake Disaster, the number of earthquake isolated buildings are increasing with a great dominance. Even though most of the base isolated buildings or structures are built on laminated rubber bearings to give them certain natural periods, this situation also encourages structural engineers to research and develop non-rubber type isolation systems such as linear bearing isolators and friction pendulum systems. When using non-rubber type isolation systems in the open air circumstances, some have pointed out that long term durability of the systems must have been taken into account and it might have been very difficult to maintain the coefficient of friction. In this study, dynamic motion of the isolated structure model with 4 of Friction Pendulum Bearing (FPB) systems are investigated, especially in in-plane mode, considering a variance of coefficient of friction of each system, a distribution of the mass of superstructures and so on. A preliminary analysis of this study is presented in this report.
社団法人日本機械学会の論文
2000-09-01