Spanning the Seas

by Zygmunt Wisniewski, Prof.; Hassania Engineering School, Casablanca, Morocco,

Serial Information: Civil Engineering—ASCE, 1987, Vol. 57, Issue 5, Pg. 68-70

Document Type: Feature article

Abstract: A proposed structural scheme, called the V–tower system, could cross vast stretches of water with record length spans yet use only conventional materials. An example is a bridge proposed for the Straits of Gibraltar. All components are precast concrete fabricated in canals at an onshore site, then floated into position. Span units, 1.6 miles long, are composed of one central pier erected on the sea bottom, one central V-shaped tower erected on the pier and two lateral deck units suspended from the top extremities of the V-tower. The deck units are two-cell, three-deck box girders.

Subject Headings: Girder bridges | Precast concrete | Span bridges | Towers

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