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Calculation of expected sliding distance of breakwater caisson considering variability in wave direction

Cited 8 time in Web of Science Cited 10 time in Scopus
Authors
Hong, Su Young; Suh, Kyung-Duck; Kweon, Hyuck-Min
Issue Date
2004
Publisher
World Scientific
Citation
Coastal Engineering Journal, 46: 119-140
Keywords
Breakwatercaissonexpected sliding distancereliability designvariability in wave directionwave transformation model
Abstract
In this study, the reliability design method developed by Shimosako and Takahashi in 2000 for calculation of the expected sliding distance of the caisson of a vertical breakwater is extended to take into account the variability in wave direction. The effects of directional spreading and the variation of deepwater principal wave direction about its design value were found to be minor compared with those of the obliquity of the deepwater design principal wave direction from the shore-normal direction. Reducing the significant wave height at the design site by 6% to correct the effect of wave refraction when using Goda’s model was found to be appropriate when the deepwater design principal wave direction was about 20 degrees. When we used the field data in a part of the east coast of Korea, taking the variability in wave direction into account reduced the expected sliding distance to about one third of that calculated without taking the variability in wave direction into account, and the required caisson width was reduced by about 10 % at the maximum.
Language
English
URI
http://hdl.handle.net/10371/67650
DOI
https://doi.org/10.1142/S0578563404000987
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Civil & Environmental Engineering (건설환경공학부)Journal Papers (저널논문_건설환경공학부)
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