Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Development of Korean Standard Vertical Design Spectrum Based on the Domestic and Overseas Intra-plate Earthquake Records

국내외 판내부 지진기록을 이용한 한국 표준수직설계스펙트럼의 개발

  • Kim, Jae Kwan (Department of Civil and Environmental Engineering, Seoul National University) ;
  • Kim, Jung Han (Integrated Safety Assessment Division, Korea Atomic Energy Research Institute) ;
  • Lee, Jin Ho (Department of Ocean Engineering, Pukyong National University) ;
  • Heo, Tae Min (Department of Civil and Environmental Engineering, Seoul National University)
  • 김재관 (서울대학교 건설환경공학부) ;
  • 김정한 (한국원자력연구원 종합안전평가부) ;
  • 이진호 (부경대학교 해양공학과) ;
  • 허태민 (서울대학교 건설환경공학부)
  • Received : 2016.09.07
  • Accepted : 2016.10.14
  • Published : 2016.11.01
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Abstract

The vertical design spectrum for Korea, which is known to belong to an intra-plate region, is developed from the ground motion records of the earthquakes occurred in Korea and overseas intra-plate regions. From the statistical analysis of the vertical response spectra, a mean plus one standard deviation spectrum in lognormal distribution is obtained. Regression analysis is performed on this curve to determine the shape of spectrum including transition periods. The developed design spectrum is valid for the estimation both spectral acceleration and displacement. The ratio of vertical to horizontal response spectrum for each record is calculated. Statistical analysis of the ratios rendered the vertical to horizontal ratio (V/H ratio). Subsequently the ratio between the peak vertical ground acceleration to the horizontal one is obtained.

Keywords

References

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