A STUDY ON RESTRAINING DEFORMATION OF THE SEISMIC-ISOLATED LAYER OF HOUSES BASED ON SHAKING TABLE TESTS OF A FULL-SCALE HOUSE

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  • TAKAHASHI Takehiro
    Researcher, Disaster Mitigation Research Center, Nagoya University, M. Eng.
  • AMANO Takahito
    Graduate Student, Graduate School of Environmental Studies, Nagoya University
  • FUKUWA Nobuo
    Prof., Disaster Mitigation Research Center, Nagoya University, Dr. Eng.

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Other Title
  • 実大震動台実験に基づく戸建免震住宅の免震層変形抑制に関する研究
  • ジツダイ シンドウダイ ジッケン ニ モトズク コダテメンシンジュウタク ノ メンシンソウ ヘンケイ ヨクセイ ニ カンスル ケンキュウ

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Abstract

It is necessary to prepare to strong ground motion beyond our previous assumptions, for instance like a Huge Nankai quake. But with current seismic-isolated house technology, we believe that the deformation of the seismic-isolated layer becomes so big that it exceeds the capacity of the equipment, causing extensive damage to the houses. Therefore, the authors developed devices that restrain deformation of the seismic-isolated layer, and measured the equipment efficiency and vibration properties by shaking table tests of a full-scale house. As a result, by installing the newly-developed oil damper, the building itself did not have substantial damage even with the restrained seismic-isolated layer deformation, and we could prevent overturning of the furniture in the house.

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