Abstract
Extensive preliminary studies and a large-scale 3D physical model study were conducted to support the design of a proposed mega-yacht marina project at Bridgetown, Barbados. A faithful reproduction of the marina, the surrounding bathymetry, and the adjacent shoreline was constructed and used to gauge the performance of the marina in a range of operational and extreme seastates, and to enhance and verify the preliminary designs. 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. Notable outcomes of the study included the optimal length and crest elevation along the curved breakwater, the strategic positioning of two piers and a revetment within the marina basin, and the determination of suitable design loads for various breakwater components.
Highlights
The Government of Barbados, through Barbados Tourism Investment Inc., is in the process of promoting the regeneration of the waterfront at the north end of Carlisle Bay near Bridgetown, Barbados
Extensive preliminary studies and a large-scale 3D physical model study were conducted to support the design of a proposed mega-yacht marina project at Bridgetown, Barbados
The Multidirectional Wave Basin (MWB) is equipped with a 30 metre long 60-segment directional wave generator capable of generating short crested irregular waves approaching from a ~60° range of directions
Summary
The Government of Barbados, through Barbados Tourism Investment Inc., is in the process of promoting the regeneration of the waterfront at the north end of Carlisle Bay near Bridgetown, Barbados. A central feature of this development is a planned marina constructed at the Pierhead, an existing headland at the north end of the bay. Activities included a thorough investigation of existing conditions, identifying the marina function and layout, and determining the physical processes that would define the design conditions for the facility. Preliminary design activities focused on refining the project definition and conducting more detailed design studies to further develop marina concepts. Notable investigations included site data collection (geotechnical studies, wind, wave, and current measurements, etc.), numerical modelling to determine environmental design conditions, evaluation of numerous design configurations (dockage and vessel mooring layouts), and preliminary structural design (definition of loads, evaluation of structural alternatives, and seismic considerations) as well as utility routing. TEST FACILITY AND MODEL CONSTRUCTION The selection of a suitable geometric scale is a key element in the design of any physical model. The MWB is equipped with a 30 metre long 60-segment directional wave generator capable of generating short crested irregular waves approaching from a ~60° range of directions
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