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논문 기본 정보

자료유형
학술저널
저자정보
Asgar Ahadpour Dodaran (Pusan National University) Sang Kil Park (Pusan National University) Kook Hyun Kim (Pusan National University) Mohammad Ebrahim Meshkati Shahmirzadi (Kyoto University) Hong Bum Park (Pusan National University)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제29권 제1호
발행연도
2015.2
수록면
62 - 69 (8page)

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초록· 키워드

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Coastlines are protected by breakwater structures against the erosion of sand or other materials along beaches due to wave action. This research examined the use of physical modeling to determine the effects of the tetrapod size and vertical walls of a rubble mound on the volume of wave overtopping under irregular wave conditions in coastal areas in Busan Yacht Harbor. In this analysis model, the structures were studied using irregular waves and the JONSWAP wave energy spectrum. To understand the effects of the tetrapod size and heights of the vertical wall, the study considered vertical walls of 0, 1.78, 6.83, and 9.33 cm with armor double layered material tetrapods of 8, 12, 16, and 20 tons. An extensive number of experiments covering a relatively large range of variables enabled a comprehensive discussion. First, in the presence of a short vertical wall, the water level played a key role in the overtopping discharge. In such circumstances, the values of the wave overtopping discharge decreased with increasing freeboard size. In the presence of a tall freeboard and middle, the value of the wave overtopping discharge was equally influenced by the vertical wall factor. Moreover, the tetrapod size decreased by an increase in the vertical wall factor, and relationship between them resulted in a short wall height. From an engineering point of view, considering a small water level may allow the choice of a shorter vertical wall, which would ultimately provide a more economical design.

목차

ABSTRACT
1. Introduction
2. Experimental Setup
3. Definition of Overtopping
4. JONSWAP Energy Spectrum
5. Results and Discussion
6. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2016-559-001255479