Back to results
US 4,339,289 AGranted
Concrete overlay construction
AssigneeBattelle Development Corporation
InventorDavid R. Lankard
Life of this patent
Estimating the term…
Abstract
Crack and wear resistant concrete overlays for renovation or patching of deteriorated sections over a substratum can be made by incorporating 4-12 volume percent steel fibers in the concrete overlay and bonding at least a portion of the fibers directly to the substratum.
Claims10
A method for overlaying a highly reinforced concrete layer on a supporting substratum comprising
- A. coating the supporting substratum with an adherent bonding agent,
- B. placing a bed of fibers having an average fiber spacing of less than about 0.3 inch on the bonding agent coating and causing at least a portion of such fibers to adhere thereto, and
- C. infiltrating the bed of fibers with a concrete mixture and causing the concrete mixture to adhere to the bonding agent coating and the fibers.
Dependencies are inferred from the claim text.