Derivation of unified wave overtopping formulas for seawalls with smooth,impermeable surfaces based on selected CLASH datasets |
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| Authors: | Yoshimi Goda |
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| Institution: | Professor Emeritus at Yokohama National University, Advisor to ECOH CORPORATION, 2-6-4 Kita-Ueno, Taito-Ku, Tokyo 110-0014, Japan |
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| Abstract: | A set of unified formulas for prediction of the mean rate of wave overtopping at coastal structures with smooth, impermeable surfaces have been derived through the analysis of the selected CLASH datasets. The mean wave overtopping rate is expressed as the function of the significant wave height at the structural toe and the relative freeboard. The formulas are applicable for both vertical walls and inclined seawalls with smooth transition between them. The formulas are simple but cover the full range of water depth from the shoreline to deep water. The effects of the toe depth and the seabed slope on wave overtopping rate are duly incorporated in the formulas. Prediction performance of the new formulas is better than the EurOtop formulas for both vertical walls and inclined seawalls. |
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| Keywords: | Wave overtopping rate Vertical seawall Inclined seawall CLASH database |
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