Effects of vertical wall and tetrapod weights on wave overtopping in rubble mound breakwaters under irregular wave conditions

Clicks: 368
ID: 103949
2014
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Abstract
ABSTRACT: Rubble mound breakwaters protect the coastal line against severe erosion caused by wave action. This study examined the performance of different sizes and properties (i.e. height of vertical wall and tetrapod size) of rubble mound breakwaters on reducing the overtopping discharge. The physical model used in this study was derived based on an actual rubble mound in Busan Yacht Harbor. This research attempts to fill the gap in practical knowledge on the combined effect of the armor roughness and vertical wall on wave overtopping in rubble mound breakwaters. The main governing parameters used in this study were the vertical wall height, variation of the tetrapod weights, initial water level elevation, and the volume of overtopping under constant wave properties. The experimental results showed that the roughness factor differed according to the tetrapod size. Furthermore, the overtopping discharge with no vertical wall was similar to that with relatively short vertical walls (γν = 1). Therefore, the experimental results highlight the importance of the height of the vertical wall in reducing overtopping discharge. Moreover, a large tetrapod size may allow coastal engineers to choose a shorter vertical wall to save cost, while obtaining better performance.
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park2014effectsinternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Park, Sang Kil;Dodaran, Asgar Ahadpour;Han, Chong Soo;Shahmirzadi, Mohammad Ebrahim Meshkati;
Journal international journal of naval architecture and ocean engineering
Year 2014
DOI
DOI not found
URL
http://www.sciencedirect.com/science/article/pii/S2092678216302655
Keywords
chemistry Biology (General) Medicine Technology Science (General) Science social sciences (general) social sciences naval architecture. shipbuilding. marine engineering evolution ocean engineering

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