한국해안·해양공학회논문집 (Journal of Korean Society of Coastal and Ocean Engineers)

  • 제32권5호
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  • Pages.307-321
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  • 2020
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  • 1976-8192(pISSN)
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  • 2288-2227(eISSN)
한국해안·해양공학회 (Korean Society of Coastal and Ocean Engineers)
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기존 원형케이슨방파제에 신규 원형케이슨 추가설치에 따른 파와 구조물간의 상호작용 영향 평가

Wave Structure Interaction by Installation of New Circular Caissons on Old Circular Caisson Breakwater

  • 박민수 (한국건설기술연구원 인프라안전연구본부)
  • Park, Min Su (Department of Infrastructure Safety Research, Korea Institute of Civil Engineering and Building Technology)
  • 투고 : 2020.08.27
  • 심사 : 2020.09.23
  • 발행 : 2020.10.31
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초록

기존 케이슨방파제의 안정성을 높이기 위해 케이슨 전면 또는 후면에 추가로 신규 케이슨을 설치하여 보강하는 설계 및 시공사례가 발생되고 있다. 본 연구에서는 기존 원형케이슨 전면 또는 후면에 신규 원형케이슨이 추가 설치될 경우 파와 구조물간의 상호작용 영향을 분석하기 위해 고유함수전개법을 이용하여 수치해석을 수행하였다. 수치해석의 신뢰성을 확보하기 위해 Williams and Li의 수치 해석결과와 비교를 수행하였으며, 추가로 설치되는 원형케이슨의 다양한 변수에 따른 개별 원형케이슨에 작용하는 파력 및 파처오름 특성을 분석하였다.

The design and the construction are carried out by installation of new caissons on the back or the front of old caissons to increase the stability of old caisson breakwater. In this study, we use the eigenfunction expansion method to analyze the effects of wave structure interaction when new circular caissons are installed on the back or the front of old caissons. The comparison of numerical results between present method and Williams and Li is made, and the wave force and the wave run-up acting on each circular caisson are calculated for various parameters by considering the wave structure interaction.

키워드

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