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레디얼 게이트에 작용하는 지진 동수압 계산 모형

Computational Model for Hydrodynamic Pressure on Radial Gates during Earthquakes

  • 판홍남 (다낭대학교 도로 및 교량공학부) ;
  • 이지호 (동국대학교 건설환경공학과)
  • Phan, Hoang Nam (Faculty of Road and Bridge Engineering, The University of Danang) ;
  • Lee, Jeeho (Department of Civil and Environmental Engineering, Dongguk University-Seoul)
  • 투고 : 2019.08.17
  • 심사 : 2019.08.27
  • 발행 : 2019.10.31

초록

강한 지진의 영향에 있는 레디얼 게이트에 작용하는 동수압 산정을 위한 계산 모형이 제시되었다. 지진동으로 움직이는 구조물의 영향을 호소부와의 이동경계면으로 처리함과 아울러 강한 지진동 효과를 고려하여 동적 레이어링법이 적용된 ALE 알고리즘과 호소부 자유수면 거동을 위한 SIMPLE법을 사용하는 것이 제안된다. 제안된 방법은 단순한 수직 또는 경사 댐체 벽면에 대하여 널리 알려진 실험 결과 및 그로부터 유도된 제안식과 비교하여 타당성과 유효성이 증명되었다. 계산모형에서 사용할 호소부 상류부 측의 무한경계까지의 거리를 산정하기 위한 파라미터 분석을 수행하여 호소부 수위의 2배가 최적의 길이임을 관찰하였다. 마지막으로 제안된 계산 모형을 사용하여 여러 곡률의 대형 레디얼 게이트에 작용하는 지진동수압을 성공적으로 산출하였다.

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea(NRF)

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