A pavement repair system utilizes solid phase auto regenerative cohesion and homogenization by liquid asphalt oligopolymerization technologies. The system is suitable for use in repairing asphalt pavement, including pavement exhibiting a high degree of deterioration (as manifested in the presence of
A pavement repair system utilizes solid phase auto regenerative cohesion and homogenization by liquid asphalt oligopolymerization technologies. The system is suitable for use in repairing asphalt pavement, including pavement exhibiting a high degree of deterioration (as manifested in the presence of potholes, cracks, ruts, or the like) as well as pavement that has been subject to previous repair and may comprise a substantial amount of dirt and other debris (e.g., chipped road paint or other damaged or disturbed surfacing materials). A system utilizing homogenization by liquid asphalt oligopolymerization is suitable for rejuvenating or repairing aged asphalt, thereby improving properties of the paving material.
대표청구항▼
1. An emitter system, comprising: a structural frame; andone or more emitter panels situated within the structural frame, wherein the metal frame is insulated with a layer of a high-density ceramic, wherein each emitter panel comprises a serpentine wire positioned between the high-density ceramic an
1. An emitter system, comprising: a structural frame; andone or more emitter panels situated within the structural frame, wherein the metal frame is insulated with a layer of a high-density ceramic, wherein each emitter panel comprises a serpentine wire positioned between the high-density ceramic and a sheet of a micaceous material exhibiting biaxial birefringence, wherein each emitter panels is configured such that, in use, energy generated by each emitter panel passes through the sheet of micaceous material. 2. The emitter system of claim 1, wherein the structural frame is a metal frame comprising one or more beams attached to one or more wheels, and wherein the structural frame is configured to prevent bending, sagging, or twisting even while traversing uneven terrain. 3. The emitter system of claim 1, further comprising a power source configured to supply electrical power to the one or more emitter panels, wherein the power source is a portable generator. 4. The emitter system of claim 3, wherein the portable generator is a diesel generator configured to deliver at least 250 kW. 5. The emitter system of claim 1, further comprising a power interrupting mechanism and a positioning system. 6. The emitter system of claim 1, further comprising a power distribution device disposed on at least part of the one or more emitter panels and on at least part of the frame, wherein the power distribution device comprises one or more circuit breakers or other power interrupting mechanisms. 7. The emitter system of claim 1, wherein the system is sized so as to irradiate a standard lane width of asphalt pavement in a single pass. 8. The emitter system of claim 1, wherein each emitter panel is in a shape of a square or a rectangle having dimensions of approximately 12 inches by approximately 24 inches, and wherein the emitter panels are arranged in an array wherein each emitter panel abuts an adjacent emitter panel, and wherein each emitter panel is connected in parallel or in serial with other emitter panels. 9. The emitter system of claim 8, wherein the array is approximately 12 feet wide, 8 feet long, and approximately 2 feet high. 10. The emitter system of claim 8, further comprising a vehicle configured to pull the array and the power source over an asphalt pavement. 11. The emitter system of claim 1, wherein each emitter panel is configured to produce energy with a power density of from 3 to 15 W/in2. 12. A method for repairing an asphalt pavement, comprising: passing the emitter system of claim 1 over an asphalt pavement in need of repair, wherein the emitter system radiates terahertz energy into the asphalt pavement to a depth of at least 2 inches, wherein a temperature differential throughout a top two inches of the asphalt pavement is 100° F. or less, wherein a highest temperature in the top two inches of the asphalt pavement does not exceed 300° F., and wherein a minimum temperature in the top two inches of the asphalt pavement is at least 200° F. 13. The method of claim 12, wherein the asphalt pavement is damaged asphalt pavement, the method further comprising, before passing an emitter over the asphalt: preparing a surface of the damaged asphalt pavement comprising aged asphalt by filling in deviations from a uniform surface plane with dry aggregate and compacting the dry aggregate; andapplying a reactive asphalt emulsion to the prepared surface, whereby the reactive emulsion penetrates into cracks and crevices in the damaged asphalt pavement and into areas filled with the dry aggregate, wherein the reactive asphalt emulsion comprises butyl rubber, a diene modified asphalt, and an environmentally hardened bioresin, and wherein the reactive asphalt emulsion contains less than 1% perflurocarbons as volatile components. 14. The method of claim 13, further comprising removing road reflectors, thermoplastic imprinting, and safety devices by mechanically removing prior to filling in deviations. 15. The method of claim 13, wherein the reactive asphalt emulsion further comprises a 10,000 to 100,000 molecular weight grafted or ungrafted polyisobutylene and a 10,000 to 100,000 molecular weight grafted or ungrafted styrene-butadiene-styrene. 16. The method of claim 13, wherein the dry aggregate is pre-coated with an elastomeric composition, and wherein the reactive asphalt emulsion is at least partially cured so as to yield dry, free-flowing coated asphalt. 17. The method of claim 13, wherein a temperature differential throughout a top two inches of asphalt pavement is 100° F. or less. 18. The method of claim 13, wherein the terahertz energy comprises wavelengths of from 1 nm to 5 mm. 19. The method of claim 13, wherein the terahertz energy comprises wavelengths of from 2 nm to 5 mm. 20. The method of claim 13, wherein the oligomers possess 2-150 repeating units. 21. The method of claim 13, further comprising, after passing the emitter system over the asphalt: allowing the pavement to cool to below 240° F.; andapplying a compacting roller to the asphalt pavement to minimize voids and surface irregularities, wherein the asphalt is at a temperature no lower than 150° F., whereby a density of the compacted asphalt pavement is similar to that of virgin asphalt pavement.
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이 특허에 인용된 특허 (43)
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