Joint seal for concrete highways

Road structure – process – or apparatus – Pavement – Including joint means

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Details

404 66, 404 74, E01C 1110

Patent

active

049272918

ABSTRACT:
A sealed joint in a concrete highway or the like is installed in a channel formed above the usual shrinkage control cut or construction joint between adjoining concrete slabs by placing in such channel a preformed and relaxed length of a ductile and elastic material and bonding it to at least part of the concrete faces of the channel by a ductile and elastic adhesive. In some instances, an anti-bonding agent is applied to portions of the preformed and relaxed length to provide for joint expansion and retraction. The joint installation channel is preferably unusually shallow and may be dry cut. Its width is sufficiently narrow that traffic loads are carried by the concrete bordering the channel. The preformed length is preferably of strip formation, which is introduced into the channel from a stable roll of same.

REFERENCES:
patent: 1885391 (1932-11-01), Thompson et al.
patent: 3629986 (1971-12-01), Klittich
patent: 3827204 (1974-08-01), Walters
patent: 3866384 (1975-02-01), Peterson, Jr. et al.
patent: 3870424 (1975-03-01), Koester et al.
patent: 4127350 (1978-11-01), Weber
patent: 4285612 (1981-08-01), Betti
patent: 4287696 (1981-09-01), Mullen
patent: 4601604 (1986-07-01), Clark et al.
patent: 4699540 (1987-10-01), Gibbon et al.
patent: 4784516 (1988-11-01), Cox
patent: 4817963 (1989-04-01), Munden et al.
patent: 4824283 (1989-04-01), Belangie
"Wide Top Cut Features Slab Joints" Engineering News Record, Mar. 16, 1961, p. 49.

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