Pavement repair system utilizing solid phase autoregenerative cohesion
First Claim
1. A method for repairing an asphalt pavement, comprising:
- passing an emitter over a surface of a damaged asphalt pavement comprising aged asphalt, wherein the emitter comprises a birefringent material through which electromagnetic radiation generated by the emitter passes, wherein the emitter generates electromagnetic radiation having a wavelength of from about 2 microns to 1 millimeter, the radiation penetrating into the pavement to a depth of at least 2 inches, wherein a temperature differential throughout a top two inches of pavement is 100°
F. or less, wherein a highest temperature in the top two inches of pavement does not exceed 300°
F., and wherein a minimum temperature in the top two inches of pavement is at least 200°
F.
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Abstract
A method for repairing asphalt pavement involves passing an emitter over a surface of a damaged asphalt pavement comprising aged asphalt, wherein the emitter comprises a birefringent material through which the electromagnetic radiation generated by the emitter passes, wherein the emitter generates electromagnetic radiation having a wavelength of from about 2 microns to 1 millimeter, the radiation penetrating into the pavement to a depth of at least 2 inches, wherein a temperature differential throughout a top two inches of pavement is 100° F. or less, wherein a highest temperature in the top two inches of pavement does not exceed 300° F., and wherein a minimum temperature in the top two inches of pavement is at least 200° F.
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Citations
24 Claims
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1. A method for repairing an asphalt pavement, comprising:
passing an emitter over a surface of a damaged asphalt pavement comprising aged asphalt, wherein the emitter comprises a birefringent material through which electromagnetic radiation generated by the emitter passes, wherein the emitter generates electromagnetic radiation having a wavelength of from about 2 microns to 1 millimeter, the radiation penetrating into the pavement to a depth of at least 2 inches, wherein a temperature differential throughout a top two inches of pavement is 100°
F. or less, wherein a highest temperature in the top two inches of pavement does not exceed 300°
F., and wherein a minimum temperature in the top two inches of pavement is at least 200°
F.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
Specification