地震記録に基づく細長い免震建物のロッキング振動のシステム同定

書誌事項

タイトル別名
  • SYSTEM IDENTIFICATION OF ROCKING VIBRATION OF A SLENDER SEISMICALLY ISOLATED BUILDING USING EARTHQUAKE RESPONSE RECORDS
  • ジシン キロク ニ モトヅク ホソナガイ メンシンタテモノ ノ ロッキング シンドウ ノ システム ドウテイ

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抄録

Very few observational studies have been performed on rocking motions of slender seismically isolated buildings. The intent of this paper is to clarify the actual rocking mechanism of a slender isolated building by system identification analyses using earthquake response records. A parametric system identification technique proposed in this paper is applied to evaluate the structural properties of the building including the axial stiffness of isolators. The identification results suggest that soil-structure interaction affects the rocking motion of the building. Various numerical analyses are performed to confirm the soil-structure interaction effects.

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