한국공간구조학회논문집 (Journal of Korean Association for Spatial Structures)

  • 제19권3호
  • /
  • Pages.93-100
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  • 2019
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  • 1598-4095(pISSN)
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  • 2287-7401(eISSN)
한국공간구조학회 (Korean Association for Spatial Structures)
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개폐식 대공간 구조물의 지진 응답 제어 성능 향상을 위한 TMD의 최적 질량에 관한 연구

A Study on Optimum Mass of TMD for Improving Seismic Response Control Performance of Retractable-Roof Spatial Structure

  • 김동형 (영남대학교 일반대학원 건축학과) ;
  • 김현수 (선문대학교 건축사회환경학부) ;
  • 강주원 (영남대학교 건축학부)
  • 투고 : 2019.08.22
  • 심사 : 2019.09.09
  • 발행 : 2019.09.15
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초록

In this study, the retractable-roof spatial structure was chosen as the analytical model and a tuned mass damper (TMD) was installed in the analytical model in order to control the seismic response. The analysis model is mainly consisted of runway trusses (RT) and transverse trusses (TT), and the displacement response was analyzed by installing TMD on those trusses. The mass of the single TMD which is installed in the analytical model was set to 1% of the total structure mass and the total TMD mass ratio was set to be 8% or 6%. In addition, the mass of a single TMD was varied depending on the number of installations. As a result of analyzing the optimal number of installations of TMD, the displacement response was reduced in all cases compared to the case without TMD. Above all, the case with 8 TMDs was the most effective in reducing he displacement response. However, in this case, as the load on the upper structure of the retractable-roof spatial structure increases, the total mass ratio of TMD was maintained and the number of TMDs was increased to reduce the mass ratio of one TMD.

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참고문헌

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