Monolithic asphalt surface with shielding edges

E - Fixed Constructions – 01 – C

Patent

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Details

E01C 23/00 (2006.01) E01C 3/06 (2006.01)

Patent

CA 2424437

A method of forming a shielded asphalt surface on a prepared subgrade for a roadway, or the like, to prevent water infiltration, freeze-thaw cycles, and roots from damaging the surface. The method involves forming a recess along the outer edges of the subgrade; depositing asphalt into the recess and compacting the deposited asphalt to form an edge portion at about the same height as the subgrade; depositing asphalt onto the subgrade to form the roadway surface and also onto the edge portion; compacting the deposited asphalt thereby integrating the asphalt that forms the roadway surface with the asphalt that forms the edge portion to provide a monolithic shielded asphalt surface.

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