| Résumé | Three dimensional physical model studies, at a geometric scale of 1:50, have been conducted to support the reliable design of a proposed mega-yacht marina project at Bridgetown, Barbados.
A faithful scale model of the new mega-yacht marina, the surrounding bathymetry, and the adjacent shoreline was constructed and used to assess the performance of the new marina in a range of operational and extreme metocean conditions, and to refine and verify preliminary designs. Accurate scaled reproductions of a range of moderate and extreme wave conditions were generated in the model by means of a computer-controlled directional wave generator. The physical model was used to investigate many key issues including: wave agitation within the marina, wave overtopping, wave impact forces, the stability of revetments and scour protection stone, and the behaviour of moored yachts.
Key findings included the optimal length for the curved breakwater, the strategic placement of two solid piers and a revetment within the marina basin, the establishment of appropriate design loads on various components of the breakwater, as well as optimization of the breakwater crest elevation. Furthermore, the exterior toe berm was optimized, and the stability of the scour stone and a revetment at the marina entrance were validated. |
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