STRUCTURAL DESIGN OF HIGH-RISE BUILDING WITH BASE ISOLATION SYSTEM USING ELASTIC SLIDING BEARINGS AND RUBBER BEARINGS

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  • 弾性すべり支承と積層ゴム支承を併用した超高層免震建物の構造設計
  • ダンセイスベリシショウ ト セキソウ ゴムシショウ オ ヘイヨウ シタ チョウコウソウメンシンタテモノ ノ コウゾウ セッケイ

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This paper describes the design of a high-rise building of 135m height with base isolation system using elastic sliding bearings and rubber bearings, dealing with the outline of structural design and the results of experiment of large-sized rubber bearings used in design. A dynamic response analysis confirmed the seismic performance to be excellent. Furthermore, from the tests on rubber bearings, their tensile property was grasped, and an inelastic model of their vertical stiffness was made. The response analysis using this inelastic model allowed the tensile forces at each rubber bearing to be estimated by the linear addition of the variable axial forces due to horizontal and vertical excitations.

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