| 테트라포드로 피복된 케이슨에 작용하는 수평파압 산정방법 |
| 오상호1, 이주연2, 오정은3 |
1국립창원대학교 스마트그린공학부 건설시스템공학전공 부교수
2한국해양과학기술원 해양공간개발·에너지연구부 연구원
3국립부경대학교 지속가능공학부 토목공학전공 강사 |
| Estimation of Horizontal Wave Pressure on the Caisson Protected by Tetrapods |
| Sang-Ho Oh1, Jooyeon Lee2, Jung-Eun Oh3 |
1Associate Professor, Department of Civil Engineering, School of Smart and Green Technology, Changwon National University, Changwon 51140 Korea
2Researcher, Ocean Space Development & Energy Research Department, Korea Institute of Ocean Science and Technology
3Lecturer, Department of Civil Engineering, School of Sustainable Engineering, Pukyung National University |
| Corresponding author:
Sang-Ho Oh ,Tel: +82-55-213-3779, Email: coast.oh@gmail.com |
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Received: May 21, 2025; Revised: June 17, 2025. Accepted: June 17, 2025. |
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| ABSTRACT |
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Physical experiments were performed in a two-dimensional wave flume to measure the horizontal wave pressure acting on a caisson protected by Tetrapods. The experiments were conducted using 20 regular waves with varying wave heights and periods. The coverage ratio of Tetrapods placed in front of the caisson was adjusted under different conditions of caisson height, water depth, and rubble mound height. The results indicate that when Tetrapods do not fully cover up to the crest level of the caisson, the wave pressure on the unprotected section of the caisson increased significantly compared to the pressure on an upright vertical wall without Tetrapods. Since the current design standard do not provide a method for estimating wave pressure on this type of structure, a pressure adjustment factor is proposed based on the concept of the coverage ratio (CR) defined by Lee and Oh (2025). The proposed method can be applied for estimating horizontal wave pressure on the caisson when it is fully or partially covered with Tetrapods. |
| Keywords:
horizontally composite breakwater, wave pressure, coverage ratio, Tetrapods, pressure adjustment factor |
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