Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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Vertical Vibration Control of 39-Story Steel Structure with Tuned Mass Damper

동조질량감쇠기를 사용한 39층 철골조 구조물의 연직방향 진동 제어

  • 우성식 (단국대학교 건축공학과) ;
  • 이상현 (단국대학교 건축공학과) ;
  • 황지현 (단국대학교 건축공학과) ;
  • 정란 (단국대학교 건축공학과)
  • Published : 2013.01.25
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Abstract

An abnormal vibration accident occurred in a 39 story steel frame structure on July 5th, 2011. In this study, The eigenvalue and time history analyses were conducted using a 3 dimensional numerical model to investigate the vertical vibration cause. The vertical accelerations of the several floors measured during the tests of human rhythmic movements in a fitness center on the 12th floor were compared with the analysis results. Based on test data and numerical results, it was identified that the natural frequency of vertical vibration mode of the building is equal to the main frequency of human group rhythmic movements and the resonance of the vertical mode caused the abnormal vertical vibration of the building.

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References

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