Journal of Korean Association for Spatial Structures (한국공간구조학회논문집)

Korean Association for Spatial Structures (한국공간구조학회)
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Investigation Into Optimal Installation Position of TMD for Efficient Seismic Response Reduction of Retractable-Roof Spatial Structure

개폐식 대공간 구조물의 효율적인 지진응답제어를 위한 TMD의 최적 설치 위치 분석

  • Lee, Young-Rak (Department of Architecture, Yeungnam University) ;
  • Kim, Hyun-Su (Div. of Architecture, Architectural & Civil Engrg., Sunmoon University) ;
  • Kang, Joo-Won (School of Architecture, Yeungnam University)
  • 이영락 (영남대학교 일반대학원 건축학과) ;
  • 김현수 (선문대학교 건축사회환경공학부) ;
  • 강주원 (영남대학교 건축학부)
  • Received : 2018.02.02
  • Accepted : 2018.02.26
  • Published : 2018.06.15
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Abstract

In this study, TMD(Tuned Mass Damper) is installed in a retractable-roof spatial structure in order to investigate dynamic response characteristics according to mass ratio and installed position of TMD on large spatial structures. The example analytical model is generated based on the Singapore sports hub stadium. Twenty eight analytical models are used to investigate optimal installation position of TMD for the example retractable-roof spatial structure using 4 to 16 TMDs. The mass of one TMD is set up 1% of total mass at the example analytical model. Displacement response ratio of model with TMD is compared with that of base model without TMD. It has been found from numerical simulation that it is more effective to install TMD at the edge of the spatial structure rather than to concentrate the TMD at the center of the spatial structure.

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References

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  1. Earthquake Response Analysis for Seismic Isolation System of Single Layer Lattice Domes With 300m Span vol.18, pp.3, 2018, https://doi.org/10.9712/KASS.2018.18.3.105