Proceedings of the Korea Committee for Ocean Resources and Engineering Conference (한국해양공학회:학술대회논문집)
- 2003.10a
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- Pages.213-219
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- 2003
Experimental study on transmission and stability of submerged breakwater
잠제의 전달율과 안정성에 관한 실험적 연구
- Kim, Yong-Woo (Department of Ocean Engineering, Pukyong National University) ;
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Yoon, Han-Sam
(Department of Ocean Engineering, Pukyong National University) ;
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Kim, Hong-Jin
(Department of Ocean Engineering, Pukyong National University) ;
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Ryu, Cheong-Ro
(Department of Ocean Engineering, Pukyong National University) ;
- Sohn, Byung-Kyu (National Fisheries Research & Development Institute)
- Published : 2003.10.24
Abstract
As the 2-D hydraulic experimental results for the submerged rubble-mound structure, we have concerned with their stability/function characteristics of structures by the effects of wave force, scour/deposition at the toe and wave transmission ratio at the lee-side sea. And as to investigate the variation characteristics of wave transmission ratio which depended to a geometrical structure of the submerged breakwater profiles, the critical conditions for the depth of submergence and crest width obviously presented. In summary, there results lead us to the conclusions that the wave control capabilities of submerged breakwaters by the variation of the submergence depth is high about 4 time degrees at the efficiency than the that of crest width. The destruction of covering block at the crest generated at the region which located between maximum damage curve, it maximum damage/failure station from the toe of the structure were 0.2L. As the wave transmission coefficient and the slope of the structure increase, the damage/failure ratio and the maximum scour depth at the toe was extended, respectively. When maximum scour depth happened. The destruction of covering block which located at the toe generated at the front slope destruction. Finally, it was found from the results that the optimization of structure may be obtained by the efficiently decision of the submergence depth and crest width in the permissible range of wave transmission ratio.
Keywords
- Submerged rubble-mound breakwater;
- Stability/function characteristics;
- 2-D wave experiment;
- Wave transmission characteristic;
- Damage/failure ratio;
- Scour/deposition mode