Journal of Korean Association for Spatial Structures (한국공간구조학회논문집)

Korean Association for Spatial Structures (한국공간구조학회)
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The Seismic Response According to Rise-Span Ratio of the Arch Structure With Seismic Isolation

라이즈-스팬비에 따른 면진 아치구조물의 지진응답 분석

  • 김수근 (영남대학교 일반대학원 건축학부) ;
  • 김유성 (영남대학교 일반대학원 건축학부) ;
  • 김기철 (서일대학교 건축학과) ;
  • 강주원 (영남대학교 건축학부)
  • Received : 2017.11.03
  • Accepted : 2017.11.19
  • Published : 2018.03.15
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Abstract

In order to reduce the seismic response of the spatial structure, a seismic isolation system with sufficient flexibility is used. The natural period of structure with seismic isolation system got be long to avoid prominent period. In this study, The seismic response of the truss-arch structure, which is modeled in three types according to the rise-span ratio is analyzed on El-centro, Northridge and Artificial Earthquake and compared with the seismic response of the truss-arch structure with lead rubber bearing(LRB). When seismic load is applied to the truss arch with isolation system, the horizontal acceleration response of the truss arch is reduced and vertical seismic response is also reduced. The application of the seismic isolation system is effective in controlling the seismic response.

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References

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