• 제목/요약/키워드: pivot-type displacement amplification damper system

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내진보강을 위한 피봇형 변위 증폭 감쇠 시스템의 성능 평가 (Performance Evaluation of a Pivot-Type Displacement Amplification Damper System for Seismic Strengthening)

  • 박장호;안성찬;박관순
    • 한국안전학회지
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    • 제27권1호
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    • pp.70-75
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    • 2012
  • For the vibration control of earthquake-excited structures, a pivot-type displacement amplification damper system is proposed and its validity is investigated in this study. A rotational frame amplifies the stroke of the proposed damper system and it can absorb more vibrational energy compared to the conventional dampers of which strokes are not large. In order to prove the effectiveness of the system, time-history analyses are performed with a three story building modelled by a three dimensional frame and numerical results are compared with those for a conventional V-shape braced damper system. In addition, the seismic performances are investigated according to the changes of damper capacity and location.