Maintenance method of dust removal and drainage macroporous asphalt pavement with graded crushed stone composite layer
A technology for grading gravel and asphalt pavement, used in road cleaning, on-site coagulation pavement, roads, etc. It can save equipment resources and human resources, restore and drain noise reduction and anti-skid ability, and improve driving safety.
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[0048] see figure 1 , the structural form of the dust-removing and drainage large-porosity asphalt pavement containing the graded crushed stone composite layer in this embodiment is: the pavement structure is set as the lower layer 5, the middle surface layer 4, the waterproof and crack-resistant layer 3, and the dust removal composite layer from bottom to top. layer and the upper layer 1, the waterproof and anti-crack layer can prevent the pavement water flow from penetrating into the middle surface layer and below, and the water flow flows to both sides of the road along the waterproof and anti-crack layer; Dust removal device 7; the dust removal device 7 is a dust removal pipeline arranged in a grid in the fixed layer of graded crushed stones 8, the dust removal device and the fixed layer of graded crushed stones are on the same plane, inhibiting each other, and improving the integrity of the dust removal composite layer , A through hole is opened on the pipe wall of the du...
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