A kind of repair structure of damaged asphalt pavement and its gap potting glue repair method

Abstract

The invention relates to a damaged asphalt pavement repairing structure and a seam sealant-pouring repairing method thereof. An asphalt pavement surface layer is included, slab-breaking seams are generated in the damaged asphalt pavement surface layer, multiple pairs of embedded steel bar holes are formed in the two sides of each slab-breaking seam in pairs, and the embedded steel bar holes are distributed in the extending direction of the slab-breaking seams. Steel bars are vertically inserted into the embedded steel bar holes, seam filling grooves are formed in the slab-breaking seams, and each seam filling groove is located between the corresponding embedded steel bar holes at the two sides. An asphalt repairing part with a rectangular cross section is arranged in each seam filling groove, the upper surface of each asphalt repairing part is covered with a sealing film, and the spaces between the slab-breaking seams and the asphalt repairing parts are filled with phenolic aldehyde-nitrile rubber adhesives. According to the key points of the technical scheme, in the repairing process, the durability of the repaired pavement is improved, the maintenance cost can be effectively lowered, the construction period is shortened, the slab-breaking seam repairing quality is guaranteed, and thus the road service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of road maintenance, in particular to a repair structure for a damaged asphalt pavement and a gap potting glue repair method thereof. Background technique [0002] Asphalt pavement has the advantages of low cost, low noise, comfortable driving, fast construction and convenient maintenance, so asphalt pavement has been widely promoted and applied. After the asphalt pavement is completed, various gaps will gradually form and expand due to the influence of traffic load, environmental factors, pavement materials and structures, and as time goes by. After the gap is formed, rainwater enters the base layer through the gap, forming dynamic water to scour the structural layer, and finally causing cracks, potholes and other phenomena on the road surface. The appearance of gaps not only damages the continuity and flatness of the road surface, affects the aesthetics of the road surface and driving comfort, but also ea...

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Problems solved by technology

[0004] However, if there is damage to the gap between the broken plates in the above scheme, it is necessary to pour steel fiber concrete on the concrete pavement to form a steel fiber concrete overlay, and the steel fiber concrete overlay will be demolished after 24-48 hours, and sprinkled with water and covered with a film for curing until 28 days later Formed steel fiber concrete overlay, the on-site treatment process is complicated and the repair time is long

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