Repair sleeve for a marine pile and method of applying the same

Details Repair sleeve for a marine pile and method of applying the same Repair sleeve for a marine pile and method of applying the same

1975-11-21

1977-05-17

Shapiro, Jacob

Pipes and tubular conduits

Repairing

52725, 138159, 138162, E02D 560

Patent

active

040233740

ABSTRACT:
A preformed molded fiberglass reinforced plastic repair sleeve for use on a marine or other submerged concrete pile and a method of applying the same. The sleeve is provided with at least one vertical seam consisting of inside interlocking reentrant bends which together establish an interlocking tongue and groove joint. The joint is maintained effective by self-tapping screws which are in engaged relation with steel closure clips or strips. The sleeve after assembly is centered about the pile undergoing repair and the continuous space which exists between the sleeve and the pile is filled with a suitable grout which, when hardened, encompasses the internal or inside portions of the joint under pressure and prevents unfastening of the seam. The vertical longitudinal extent of the sleeve is somewhat greater than the water depth of the partially submerged pile to which it is applied and, where a cylindrical concrete pile is concerned, the sleeve is molded on an arcuate bias so as to present an open gap enabling the sleeve to be readily slipped sidewise onto the pile by one or more divers and the gap thereafter closed in order to effect the interlocked joint. Where a square pile is undergoing repair, the sleeve assumes a conformable four-sided shape or, alternatively, it may be formed of two mating right-angle sleeve sections having a pair of vertical inside interlocking joints or seams between their adjoining side margins.

REFERENCES:
patent: 724573 (1903-04-01), Hartung
patent: 2189028 (1940-02-01), Hansen
patent: 2897553 (1959-08-01), Gorrow
patent: 3321924 (1967-05-01), Liddell
patent: 3369568 (1968-02-01), Davis et al.
patent: 3410097 (1968-11-01), Young
patent: 3553970 (1971-01-01), Wiswell, Jr.
patent: 3631789 (1972-01-01), Kinsey

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