Transactions of the Korean Society of Pressure Vessels and Piping (한국압력기기공학회 논문집)

Korean Society of Pressure Vessels and Piping (한국압력기기공학회)
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Assessment of seismic load incident angle effects on structural integrity of a spent nuclear fuel dry storage facility

지진하중 입사각이 사용후핵연료 건식 저장시설의 구조건전성에 미치는 영향 분석

  • Received : 2021.05.15
  • Accepted : 2021.12.07
  • Published : 2021.12.31
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Abstract

This study aims to assess the effect of postulated seismic loads on the structural integrity of a spent nuclear fuel dry storage facility. Firstly, three-dimensional modal and response spectrum analyses were carried out. With regard to the latter analysis, the effect of incident angles against two horizontal and one vertical response spectra was also considered. Results showed that even though two critical locations were predicted at the longitudinal axis central part of upper flow path as well as the end discontinuity part of upper and lower flow paths connector, their maximum principal stress values were less than the tensile strength. Moreover, since the influence of vertical angle was 87% higher than that of horizontal angle in particular, which should be carefully handled to demonstrate integrity of the facility.

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Acknowledgement

본 연구는 2018년도 산업통상자원부의 재원으로 한국에너지기술평가원(KETEP)의 에너지인력양성사업으로 지원받아 수행한 인력양성 성과입니다.(No. 20184030202170)

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