Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Seismic Performance of Steel Industrial Storage Racks Subjected to Korea Earthquakes

국내 발생지진에 의한 물류창고 강재 적재설비의 내진성능 평가

  • Jeon, Jong-Su (Department of Civil Engineering, Andong National University) ;
  • Choi, Hyoungsuk (Korea Construction Engineering Development Collaboratory Management Institute) ;
  • Seo, Youngdeuk (Korea Construction Engineering Development Collaboratory Management Institute) ;
  • Kim, Chunggil (Department of International Civil and Plant Engineering, Konyang University) ;
  • Heo, Gwanghee (Department of International Civil and Plant Engineering, Konyang University)
  • 전종수 (안동대학교 토목공학과) ;
  • 최형석 (국토교통연구인프라운영원) ;
  • 서영득 (국토교통연구인프라운영원) ;
  • 김충길 (건양대학교 해외건설플랜트학과) ;
  • 허광희 (건양대학교 해외건설플랜트학과)
  • Received : 2018.02.23
  • Accepted : 2018.03.29
  • Published : 2018.04.30
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Abstract

This study experimentally and analytically examines the seismic vulnerability of steel rack storage frames subjected to Korea earthquakes (2016 Gyeongju earthquake and 2017 Pohang earthquake). To achieve this aim, this study selects a three-story, one-bay steel rack frame with a typical configuration of rack frame in Korea. Firstly, the local behavior for frame components is examined by performing monotonic and/or cyclic load tests and the global response and dynamic characteristics of the subject rack frame are investigated by conducting a shaking table test. The analytical model of the rack frame is then created based on the experimental results and is used to perform nonlinear time history analyses with recorded Korea earthquakes. The seismic demand of the rack frame is considerably affected by the spectral acceleration response, instead of peak ground accelerations (peak floor accelerations). Moreover, the collapse fragility curve of the rack frame is developed using incremental dynamic analyses for the Gyeongju and Pohang earthquakes. Fragility results indicate that the ground motion characteristics of these earthquakes do not significantly affect the frame vulnerability at the collapse state.

Keywords

References

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