SEISMIC RESPONSE CONTROL OF MID- AND LOW-RISE BUILDINGS USING EXTERNAL STORY DEFLECTION CONTROL DEVICES

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  • MIYAZU Yuji
    Assistant Prof., Graduate School of Engineering, Hiroshima Univ., Dr. Eng.
  • SODA Satsuya
    Prof., Dept. of Architecture, School of Creative Science and Engineering, Waseda Univ., Dr. Eng.

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Other Title
  • 外付け式層間変形制御装置による中低層建築物の地震応答制御
  • ソトツキケ シキソウ カン ヘンケイ セイギョ ソウチ ニ ヨル チュウテイソウ ケンチクブツ ノ ジシン オウトウ セイギョ

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 This study proposes a seismic response control device which prevents mid- and low-rise buildings from collapsing at specific story under severe earthquake ground motions. The device consists of the frame and the passive damper, which are mounted outside of the building. First, we constructed an analytical model of the device using a mass-spring-damper system and then performed time history seismic response analysis of the four-story steel buildings. We confirmed that the proposed device equalizes deflection of all the stories and reduces the maximum story deflection without excessive increase of the maximum response acceleration.

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