Journal of Korean Association for Spatial Structures (한국공간구조학회논문집)

Korean Association for Spatial Structures (한국공간구조학회)
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Seismic Retrofit of Spatial Structures Using Buckling Restrained Brace

비좌굴 가새를 이용한 대공간 구조물 내진 보강 설계

  • 문희숙 (메트로티엔씨(주) 내진기술연구소) ;
  • 김기철 (서일대학교 건축공학과) ;
  • 강주원 (영남대학교 건축학부) ;
  • 이준호 (메트로티엔씨(주) 내진기술연구소)
  • Received : 2018.10.31
  • Accepted : 2018.11.12
  • Published : 2018.12.15
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Abstract

In this study, the seismic performance and behavior characteristics of the upper truss structure of the large stadium are analyzed by nonlinear dynamic analysis. In the nonlinear dynamic analysis, the earthquake records were generated by site response analysis to simulate the nonlinear behavior of the relevant soil condition where the structure is located. Nonlinear dynamic analysis was performed using Perform-3D and the nonlinear properties of the substructure and the superstructure were determined in accordance with KISTEC guideline. According to the analysis results, excessive deformation occurred in the upper truss element, and plastic hinges exceeded the target performance in some members. Buckling-restrained brace is used for seismic retrofit of stadium structures and the analysis results shows the interstory drift satisfies the target performance level with dissipating the seismic energy efficiently.

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References

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