Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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An Analytical Study on Seismic Response Characteristics Considering Soil-Structure-Equipment Interaction

지반-구조물-설비 상호작용을 고려한 지진응답 특성에 관한 해석적 연구

  • Oh, Hyeon-Jun (School of Architectural Engineering, Hongik University) ;
  • Kim, Yousok (School of Architectural Engineering, Hongik University)
  • 오현준 (홍익대학교 건축공학과) ;
  • 김유석 (홍익대학교 건축공학부)
  • Received : 2023.09.19
  • Accepted : 2023.09.22
  • Published : 2023.11.01
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Abstract

Non-structural elements, such as equipment, are typically affixed to a building's floor or ceiling and move in tandem with the structure during an earthquake. Seismic forces acting upon non-structural elements traverse the ground and the building's structure. Considering this seismic load transmission mechanism, it becomes imperative to account for the interactions between soil, structure, and equipment, establishing seismic design procedures accordingly. In this study, a Soil-Structure-Equipment Interaction (SSEI) model is developed. Through seismic response analysis using this model, how the presence or absence of SSEI impacts equipment behavior is examined. Neglecting the SSEI aspect when assessing equipment responses results in an overly conservative evaluation of its seismic response. This emphasizes the necessity of proposing an analytical model and design methodology that adequately incorporate the interaction effect. Doing so enables the calculation of rational seismic forces and facilitates the seismic design of non-structural elements.

Keywords

Acknowledgement

본 연구는 산업통상자원부(MOTIE)와 한국에너지기술평가원(KETEP)의 지원을 받아 수행한 연구과제입니다(No.20181510102380).

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