단기 태·폭풍 기인 잠제 배후의 Piling-up 현상 평가

• 영문명: Assessment of Water Piling-up behind a Submerged Breakwater during Storm Events
• 발행기관: 한국연안방재학회
• 저자명: 손동휘(Donghwi Son) 유제선(Jeseon Yoo) 김무종(Mujong Kim)
• 간행물 정보: 『한국연안방재학회지』제5권 제4호, 203~210쪽, 전체 8쪽
• 주제분류: 사회과학 > 사회과학일반
• 파일형태: PDF
• 발행일자: 2018.10.30

영문 초록

It is generally known that submerged breakwaters can reduce the incoming wave energy without disturbing the beach scenery. However, a submerged breakwater is also able to cause a setup of the sea level in the protected area which is also called as water piling-up. Since the piling-up can result in longshore currents, sediment transports, and unexpected beach erosion, understanding about the piling-up process is required prior to designing the nearshore structures. In this study, the water piling-up behind a submerged breakwater is assessed in the time of storm events. For the study area, Anmok beach in Gyeonso-dong, Gangwon-do is selected. 1-year, 5-year, 10-year, and 50-year return-values were derived from Peaks-Over-Threshold(POT) method and those are applied as offshore boundary conditions for the numerical simulation. The numerical results of the piling-up were assessed with regard to the wave steepness and the height of the submerged breakwater. With increase of both significant wave height and the height of the submerged breakwater, the piling-up parameter is also increased which can lead to erosion of dry beach behind the structure.

목차

1. 서 론

2. 연구 방법

3. 연구 결과 및 토론

4. 결론

키워드

Water piling-up Submerged breakwaters Wave steepness XBeach Anmok beach