Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Seismic Responses of Isolated Bridges Considering the Relative Stiffness Ratio

상대강성비를 고려한 지진격리교량의 응답특성

  • 서현우 ((주)동명기술공단 지하철부) ;
  • 김남식 (부산대학교 공과대학 토목공학과) ;
  • 정진환 (부산대학교 공과대학 토목공학과)
  • Published : 2005.12.01
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Abstract

In this study, based on shaking table test results on a seismically isolated bridge model, an inelastic numerical model is refined by using Bouc-Wen model representing the hysteretic behavior of isolators. Seismic responses of isolated bridges are numerically investigated varying with relative stiffness ratio(RSR), which is a ratio of the effective stiffness of isolator to the lateral stiffness of bridge pier, From the results, it is found that an adequate range of relative stiffness ratio could be defined for seismic design of isolated bridges without considering the flexibility of piers.

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References

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