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Journal of Korean Society of Coastal and Ocean Engineers > Volume 31(6); 2019 > Article
J Korean Soc Coast Ocean Eng 2019;31(6): 403-408. doi: https://doi.org/10.9765/KSCOE.2019.31.6.403
유수실을 사석으로 채운 유공 케이슨에 대한 반사계수 실험
김영택1, 이종인2
1한국건설기술연구원 국토보전연구본부
2전남대학교 공학대학 해양토목공학과
Hydraulic Experiments on Reflection Coefficients for Perforated Wall Caisson with Rock Fill
Young-Taek Kim1, Jong-In Lee2
1Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology
2Department of Marine and Civil Engineering, Chonnam National University, 50, Daehak-ro, Yeosu, Jeonnam 59626, Korea
Corresponding author: Jong-In Lee ,Tel: +82-61-659-7321, Fax: +82-61-659-7329, Email: jilee@chonnam.ac.kr
Received: November 13, 2019;  Revised: December 13, 2019.  Accepted: December 20, 2019.
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In general, the caisson having the perforated wall is used to for the purpose of reducing the wave reflection and wave overtopping. In this study, the hydraulic characteristics (reflection coefficient) of the perforated wall caisson chamber filled with aggregates (rocks) were investigated with hydraulic model tests. When the perforated wall chambers were filled with aggregates, the reflection coefficients would increase. However, it was confirmed that the rock filling method into the perforated wall chamber could secure the stability of the structures and satisfy the hydraulic characteristics at a certain level.
Keywords: perforated wall caisson, wave chamber, hydraulic test, reflection coefficient, vertical structure
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