A Tuned Liquid Mass Damper(TLMD) for Controlling Bi-directional Responses of a Building Structure

건축구조물의 2방향 진동제어를 위한 동조액체질량감쇠기

  • 허재성 (단국대학교 건축대학 건축공학과) ;
  • 박은천 (단국대학교 건축대학 건축공학과) ;
  • 이상현 (단국대학교 건축대학 건축공학과) ;
  • 이성경 (단국대학교 건축대학 건축공학과) ;
  • 김홍진 (경북대학교 건설공학부 건축공학과) ;
  • 조봉호 (포항산업과학연구원) ;
  • 조지성 (포스코 기술연구소) ;
  • 김동영 (동일고무벨트) ;
  • 민경원 (단국대학교 건축공학과)
  • Published : 2008.03.20


This paper presents a design of a tuned liquid mass damper(TLMD) for controlling bi-directional response of high-rise building structure subjected to windload. The proposed damper behaves as a tuned mass damper(TMD) of which mass is regarded as the mass of a tuned liquid column damper(TLCD) and the case wall of the TLCD itself in one direction and the TLCD in the other direction. Because the proposed device has coupled design parameter along two orthogonal directions, it is very important to select designing components by optimal fine tuning. In the designing TLMD, for easy maintenance, the rubber-bearing with small springs was applied in TMD direction. In this study, the Songdo New City Tower 1A in Korea, which has been designed and constructed two TLCDs in order to control bi-directional response, was chosen as the model building structure. The results of rotation test proved the effectiveness of bi-directional behavior of TLMD.


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