Road structure – process – or apparatus – Pavement – Including joint means
Patent
1987-12-24
1989-05-30
Novosad, Stephen J.
Road structure, process, or apparatus
Pavement
Including joint means
404 69, E01L 1114
Patent
active
048345768
ABSTRACT:
An expansion joint and form for concrete floors, consisting of a free-standing assembly comprising a vertical asphaltic board, a metallic panel flatly abutting against the asphaltic board, and a number of load transfer dowels or rods slidingly passing horizontally through the board and panels to extend on each slide of the panel and board. The rod partially engages at one end a sleeve and one rod section is covered with grease. After fresh concrete is successively poured on each side of the expansion joint, the concrete will harden unto the board, the panel and the sleeve exclusively of the rod section covered with grease. Hence, the rod will be movable relative to the sleeve and surrounding concrete slab, allowing for relative horizontal displacement of the pair of proximate concrete slabs.
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Letchford John F.
Novosad Stephen J.
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