Construction
Breakwaters are either constructed some distance from the coast or built with one end linked to it, in which case they are usually called sea walls. They may be either fixed or floating, the choice depending on normal water depth and tidal range. They usually consist of large pieces of concrete spaced about 50 m apart. Their design is influenced by the angle of wave approach and other environmental parameters. Breakwater construction can be either parallel or perpendicular to the coast, depending on what will maintain tranquil conditions.
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