Ampliación del puerto de Miami, (U.S.A.)

As there was no available space in the zones surrounding the existing harbour, and the bay had a number of islands, which could be easily connected with fill soil, it was decided to form a harbour taking advantage of these islands. The planform of the new harbour is rectangular, and the perimeter walls have been used as wharves. As this fill soil is separated from the coastline, a bridge from the mainland has been built, carrying both motor vehicles and rail traffic. In view of the considerable length of the bridge, and the need to ensure navigation along the coastline, the central part of the bridge, over the navigation canal, has an elevating span. To obtain sufficient depth of water by the wharves, considerable amount of dredging has been necessary, as well as sheet piling.Como no se disponía de espacio en las zonas adyacentes al puerto en explotación, y la bahía tenía una serie de Islotes propicios para hacer un relleno, surgió la idea de realizarlo, en tomo a aquéllos, con planta rectangular, aprovechando los muros perimetrales para formar los muelles de atraque. Por hallarse este relleno separado de la costa, se ha construido un paso superior, sobre el agua, para el tráfico de vehículos de ruedas neumáticas, y una plataforma paralela destinada al tráfico ferroviario. Dada la gran longitud del paso y la necesidad de asegurar la navegación costera, la parte central del paso, correspondiente al canal, se salva con un tramo basculante. Para conseguir aguas profundas en los muelles se han realizado importantes operaciones de dragado e hinca de tablestacas