High rise building on floatable concrete foundation - is built in a dry dock and transported by tugs to an offshore site where it is moored or sunk (NL 17.10.78)

摘要

High-rise buildings (1) are constructed on a deep box-shaped prestressed concrete foundation (3) in a dry dock (4) or a cofferdam. The foundation box is divided into cavities by vertical walls which are continued above the upper surface of the box to form walls. The upper surface (2) of the box serves as roadways etc. The entire structure is buoyant in water, may be transported by tugs and moored or sunk onto the seabed in the required offshore location. The box-shaped foundation is sunk by flooding its internal cavities. The form of construction solves problems of building in a difficult environment.