Concrete joint restraint system

Details Concrete joint restraint system Concrete joint restraint system

1998-10-27

2000-07-25

Will, Thomas B.

Road structure, process, or apparatus

Pavement

Reinforced structure

404 62, E01C 1116

Patent

active

06092960&

ABSTRACT:
A concrete joint restraint system that is adapted for securing a dowel to first and second horizontal members that are spaced apart from one another and located at a desired height above a subgrade prior to placement of concrete. The system includes a closed clip including a cylinder with an end aperture for receiving one end of the dowel and a snap-on connection for connecting the open clip to the first horizontal member. The system further includes an open clip including a pair of flexible, arcuate side walls that define an elongated gap for receiving the other end of the dowel and a snap-on connection for coupling the closed clip to the second horizontal member. The system beneficially permits plastic, fiberglass reinforced plastic, or other non-metallic dowels to be supported between inexpensive rebar bolsters made of steel wire.

REFERENCES:
patent: 1880710 (1932-10-01), Bitney
patent: 2133553 (1938-10-01), Lord
patent: 2439428 (1948-04-01), Hillberg
patent: 2627793 (1953-02-01), White
patent: 3033087 (1962-05-01), Hillberg
patent: 3045564 (1962-07-01), Crone
patent: 3059553 (1962-10-01), Woolley
patent: 3114221 (1963-12-01), Eriksson
patent: 5678952 (1997-10-01), Shaw et al.
patent: 5791816 (1998-08-01), McCallion
Concrete Pavement Joints, T 5040.30, Nov. 30, 1990, U.S. Department of Transportation, Federal Highway Administration.

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