Tack compounds and microwave method for repairing voids in aspha

Details Tack compounds and microwave method for repairing voids in aspha Tack compounds and microwave method for repairing voids in aspha

1990-10-24

1992-03-03

Britts, Ramon S.

Road structure, process, or apparatus

Process

In situ treatment of earth or roadway

404 31, E01C 706, E01C 300

Patent

active

050927060

ABSTRACT:
A method for repairing voids such as potholes in asphalt pavement by mixing a lossy microwave material in the tack used for the tack layer. The asphalt patch used to fill the pothole is relatively non-lossy so that a substantial portion of microwave energy applied to the upper surface penetrates through the asphalt patch and is absorbed in the tack layer. The heating of the tack layer is enhanced to improve the interface bond between the asphalt patch and the surface of the pothole.

REFERENCES:
patent: 3870426 (1975-03-01), Kietzman et al.
patent: 4151025 (1979-04-01), Jacobs
patent: 4234639 (1980-11-01), Graham
patent: 4252459 (1981-02-01), Jeppson
patent: 4252487 (1981-02-01), Jeppson
patent: 4292120 (1981-09-01), Nacci
patent: 4339289 (1982-07-01), Lankard
patent: 4594022 (1986-06-01), Jeppson
patent: 4744693 (1988-05-01), Smith

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