Concrete marine float and method of fabricating same

Details Concrete marine float and method of fabricating same Concrete marine float and method of fabricating same

B - Operations, Transporting

63

C

114/58.7

B63C 1/02 (2006.01) B63B 5/14 (2006.01) B63B 35/34 (2006.01) E02B 3/06 (2006.01) E02D 29/09 (2006.01)

Patent

CA 1127466

ABSTRACT OF THE DISCLOSURE A concrete float having a buoyant foam core sur- rounded by a concrete shell. The deck of the shell has inte- grally formed therewith a plurality of transverse ribs and longitudinal ribs which strengthen the deck. Consequently, the necessary strength for the deck can be achieved by util- izing a substantially reduced quantity of concrete. A tubu- lar conduit extends beneath at least some of the transverse ribs. The conduits are provided in order to receive tie rods having their ends projecting from the sides of the float and through elongated wales which serve to secure the floats to each other. The concrete is preferably reinforced with con- ventional concrete reinforcing bars. The float is formed by placing a rectangular block of foam in a rectangular form after a layer of concrete has been poured in the form with the foam core being positioned apart from the sides of the form. Transverse and longitudinal grooves are formed in the upper surface of the core, and tubular conduits are placed in at least some of the transverse grooves. Finally, sufficient concrete is poured into the form to fill the sides and cover the upper surface of the foam thereby filling the space be- tween the core and foam. The concrete also fills the grooves in the foam thereby creating the transverse and longitudinal ribs and securing the tubular conduits in position within the transverse grooves.

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