Bridges – Transportable – Floating
Patent
1991-06-07
1993-06-08
Britts, Ramon S.
Bridges
Transportable
Floating
114267, E01D 1514, B63B 3544
Patent
active
052167739
ABSTRACT:
A method for fabricating and installation of a floating bridge or the like provides that a bridge superstructure is supported by a number of pontoons and has opposite ends anchored to shore fundaments. Prefabricated pontoons are positioned successively at mutually spaced locations on the water surface along a center line of a part of the bridge superstructure being formed. Such pontoons are suitably ballasted. Further bridge superstructure is fabricated successively in sections in a production unit positioned on a barge or on a platform stationarily positioned by the shore. Such sections are being pushed outwardly of the production unit one after the other, with a new section being made as a continuation of a preceding section. The fabricated part of the bridge superstructure, formed of several interconnected sections which gradually are protruded from the barge or platform, is slid or pushed out onto the pontoons that are positioned one after the other, and are mounted thereon. Thereafter, when the entire bridge superstructure has been positioned on the pontoons, the thus floating bridge is floated to the particular installation site and is attached to the respective shore fundaments.
REFERENCES:
patent: 2579605 (1951-12-01), Odot
patent: 3022759 (1962-02-01), McCall
patent: 4297759 (1981-11-01), Soffge et al.
patent: 4722108 (1988-02-01), Fredriksson
patent: 4972538 (1990-11-01), Parramore
Britts Ramon S.
Connolly Nancy P.
Norwegian Contractors A.S.
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