Disk plate concrete dowel system

Details Disk plate concrete dowel system Disk plate concrete dowel system

2005-08-09

2005-08-09

Will, Thomas B. (Department: 3671)

Road structure, process, or apparatus

Pavement

Including joint means

C404S058000, C404S065000, C404S066000

Reexamination Certificate

active

06926463

ABSTRACT:
Disclosed is a disc dowel system interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and a dowel plate. The positioner bracket has a vertically disposed base flange and a horizontally disposed plate portion extending therefrom. The base flange is rigidly attachable to a concrete form. The pocket former has a horizontally extending interior compartment with an open, generally straight side and an arch-shaped compartment perimeter extending therefrom. The straight side is aligned with the pour joint. The pocket former is positioned within the first pour by the positioner bracket. The dowel plate has a generally rounded shape with an embedded portion and a slidable portion. The embedded portion is rigidly encapsulated within the second pour and the slidable portion is slidably disposed within the pocket former such that the dowel plate permits relative horizontal movement of the first and second pours while restricting relative vertical movement thereof.

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Wayne W. Walker and Jerry A. Holland, “Plate Dowels for Slabs on Ground”, 4 pages.
PNA Construction Technologies, “The Diamond Dowel System”, May 22, 2003, 2 pages.
American Concrete Pavement Association, “Load Transfer”, p. 2.

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