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동해 파랑관측 자료를 활용한 포물선형 평형해안선 식의 타당성 조사

Performance Test of Parabolic Type Equilibrium Shoreline Formula Using Wave Data Observed in East Sea

  • 임창빈 (성균관대학교 건설환경시스템공학부) ;
  • 이정렬 (성균관대학교 수자원대학원)
  • Lim, Chang Bin (School of Civil, Architecture and Environmental System Engineering, Sungkyunkwan University) ;
  • Lee, Jung Lyul (School of Water Resources Engineering, Sungkyunkwan University)
  • 투고 : 2018.03.22
  • 심사 : 2018.04.23
  • 발행 : 2018.04.30

초록

The present study investigated the validity of an equilibrium shoreline empirical formula for real phenomena. Among three types of equilibrium shoreline formulas, Hsu's parabolic type static formula was employed, which is well-known and the most practical for shoreline estimation after coastal or harbor structure construction. The wave data observed at Maengbang beach and the CERC formula on longshore sediment transport were used in the present investigation. A comparison study was only conducted for the case of a shoreline change after the construction of a groyne. Reasonable agreement was seen between the observed wave data and the data obtained under a wave angle spreading function S = 3.5. However, significant changes were observed when S increased. Thus, careful application is required when using Hsu's formula.

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참고문헌

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