CN216074587U

CN216074587U - Prefabricated asphalt pavement water-sealing anti-skid anti-cracking paste

Info

Publication number: CN216074587U
Application number: CN202121869666.2U
Authority: CN
Inventors: 姜春
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-18
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a water-sealing anti-skid anti-cracking sticker for a prefabricated asphalt pavement, which comprises a base surface, wherein a hot melting layer is arranged on the upper end surface of the base surface, a first waterproof layer is arranged on the upper end surface of the hot melting layer, at least six reinforcing ribs are sequentially inserted into the hot melting layer, geotextile is arranged on the upper end surface of the first waterproof layer, a carbon steel wire layer is arranged on the upper end surface of the geotextile, a titanium dioxide antibacterial layer is arranged on the upper end surface of the carbon steel wire layer, a water absorbing layer is arranged on the upper end surface of the titanium dioxide antibacterial layer, a second waterproof layer is arranged on the upper end surface of the water absorbing layer, a fiber layer is arranged on the upper end surface of the second waterproof layer, a heat insulating layer is arranged on the upper end surface of the fiber layer, and an abrasion anti-skid layer is arranged on the upper end surface of the heat insulating layer. The carbon steel wire layer effectively improves the rigidity and the deformation resistance of the crack-resistant paste, the reinforcing ribs improve the deformation resistance and the rigidity of the crack-resistant paste, and the fiber layer has good ductility and waterproofness and buffers and dissipates tensile stress and shear stress transmitted from the semi-rigid base layer.

Description

Prefabricated asphalt pavement water-sealing anti-skid anti-cracking paste

Technical Field

The utility model belongs to the field of road construction devices, and particularly relates to a water-sealing, anti-skidding and anti-cracking paste for a prefabricated asphalt pavement.

Background

Domestic highway basic unit adopts cement consolidation graded broken stone more, form semi-rigid basic unit, later spread the asphalt concrete surface course on semi-rigid basic unit, asphalt concrete belongs to flexible surface course, because construction quality, the temperature variation, the influence of external factors such as heavily loaded vehicle, semi-rigid basic unit can produce the fracture of different degrees and lead to the surface course to form different degree reflection cracks, the crack can lead to the fact road surface structure to destroy along with the lapse of time, road surface structure in case produce the structural damage, daily repair has hardly reached the operation requirement on road surface, and the energy consumption is big, high cost, low efficiency, can produce many net cracks simultaneously, secondary diseases such as gnawing limit.

The crack can lead to the fact road surface structural damage along with the lapse of time, road surface structural damage in case produces structural damage, daily repair has hardly reached the operation requirement on road surface, for solving the continuous crack problem of highway, at present, the maintenance technology is mostly milling the bituminous paving earlier, then paste flexible anti-crack subsides in the road surface crack department after milling, the bituminous paving layer paves again at last, current anti-crack subsides are because do not handle semi-rigid base layer crack, the tensile stress and the shear stress that lead to the crack department still exist, there is the road surface to seal water anti-skidding anti-crack subsides tensile stress and the great problem of shear stress.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water-sealing, anti-skid and anti-crack paste for a prefabricated asphalt pavement, which solves the problems of high tensile stress and high shear stress of the water-sealing, anti-skid and anti-crack paste for the pavement in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the waterproof heat-insulation layer comprises a base surface, the upper end face of the base surface is provided with a hot-melt layer, the upper end face of the hot-melt layer is provided with a first waterproof layer, at least six reinforcing ribs are inserted in the hot-melt layer in sequence, the upper end face of the first waterproof layer is provided with geotextile, the upper end face of the geotextile is provided with a carbon steel wire layer, the upper end face of the carbon steel wire layer is provided with a titanium dioxide antibacterial layer, the upper end face of the titanium dioxide antibacterial layer is provided with a water absorption layer, the upper end face of the water absorption layer is provided with a second waterproof layer, the upper end face of the second waterproof layer is provided with a fiber layer, the upper end face of the fiber layer is provided with a heat-insulation layer, and the upper end face of the heat-insulation layer is provided with an abrasion anti-slip layer.

Preferably, the hot melt layer is a hot melt adhesive, the first waterproof layer and the second waterproof layer are made of solid waterproof material soda lime, and the geotextile is a polyester filament non-woven fabric.

Preferably, the water absorbing layer is a composite water absorbing material blended by rubber.

Preferably, the heat insulation layer is polyurethane foam.

Preferably, the wearing and anti-sliding layer is a rubber modified asphalt gravel layer, and the thickness from the base surface to the wearing and anti-sliding layer is 30-35 mm.

1. According to the utility model, the rigidity and the anti-deformation capability of the anti-crack paste are effectively improved by filling the carbon steel wire layer, so that the anti-crack paste has excellent capability of offsetting the reflection stress of the semi-rigid base layer, the reinforcing ribs are filled, the anti-deformation capability and the rigidity of the anti-crack paste are improved again, the water absorption layer, the first waterproof layer and the second waterproof layer are filled, so that the corrosion of rainwater to asphalt is effectively prevented, the fiber layer has good ductility and waterproofness by filling the fiber layer, the tensile stress and the shear stress transmitted by the semi-rigid base layer are buffered and dissipated, the anti-crack paste is prevented from being corroded by bacteria and the anti-skid property of the anti-crack paste is improved by filling the titanium dioxide antibacterial layer and the abrasion anti-skid layer, and thus the tensile stress and the shear stress transmitted by the semi-rigid base layer are dissipated.

2. When the asphalt damaged pavement is repaired, the hot melt adhesive is deformed after the hot melt layer is heated and melted, then the crack resistance is applied to the crack of the asphalt pavement, so that the hot melt adhesive of the hot melt layer is fully contacted with the crack, downward force is applied to the crack resistance, the hot melt adhesive which is heated and melted enters the crack, and the crack resistance is fixedly connected with the ground after the hot melt adhesive is cooled, so that the practicability of the crack resistance is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1 basal plane, 2 hot melt layers, 3 first waterproof layers, 4 reinforcing ribs, 5 geotextiles, 6 carbon steel wire layers, 7 titanium dioxide antibacterial layers, 8 water absorbing layers, 9 second waterproof layers, 10 fiber layers, 11 heat insulating layers and 12 abrasion anti-sliding layers.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a water-sealing, anti-slip and anti-crack paste for a prefabricated asphalt pavement, which includes a base surface 1, wherein a hot melt layer 2 is filled on an upper end surface of the base surface 1, the hot melt layer 2 is a hot melt adhesive, the hot melt adhesive deforms after being heated and flows into cracks of the asphalt pavement, a first waterproof layer 3 is filled on an upper end surface of the hot melt layer 2, the first waterproof layer 3 and a second waterproof layer 9 are made of solid waterproof material soda lime, the soda lime absorbs rainwater, six reinforcing ribs 4 are sequentially inserted into the hot melt layer 2, so that the anti-deformation capability of the anti-crack paste is improved, a geotextile 5 is filled on an upper end surface of the first waterproof layer 3, the geotextile 5 is made of polyester filament non-woven fabric, a carbon steel wire layer 6 is filled on an upper end surface of the geotextile 5, and the carbon steel wire layer 6 offsets tensile stress and shear stress transmitted from a semi-rigid base layer.

As shown in fig. 1, the upper end surface of the carbon steel wire layer 6 is filled with a titanium dioxide antibacterial layer 7 to prevent bacteria from corroding the anti-cracking plaster, the upper end surface of the titanium dioxide antibacterial layer 7 is filled with a water absorbing layer 8, the water absorbing layer 8 is a composite water absorbing material blended by rubber, the upper end surface of the water absorbing layer 8 is filled with a second waterproof layer 9, the upper end surface of the second waterproof layer 9 is filled with a fiber layer 10, the fiber layer 10 has good ductility and waterproofness, the upper end surface of the fiber layer 10 is filled with a heat insulating layer 11, the heat insulating layer 11 is polyurethane foam, the upper end surface of the heat insulating layer 11 is filled with an abrasion anti-sliding layer 12, the abrasion anti-sliding layer 12 is a rubber modified asphalt gravel layer, and the thickness from the base surface 1 to the abrasion anti-sliding layer 12 is 30-35 mm.

The working principle of the embodiment is as follows: when repairing asphalt damaged pavement, firstly heating and melting the hot melt layer 2, then deforming the hot melt adhesive, then applying the crack-resistant paste at the crack of the asphalt pavement to make the hot melt adhesive of the hot melt layer 2 fully contact with the crack and apply downward force to the crack-resistant paste, the hot melt adhesive melted by heating enters the crack, after the hot melt adhesive is cooled, the crack-resistant paste can be fixedly connected with the ground, the rigidity and the deformation resistance of the crack-resistant paste are effectively improved by filling the carbon steel wire layer 6, so that the crack-resistant paste has excellent capability of offsetting the reflection stress of the semi-rigid base layer, the reinforcing ribs 4 are filled, the deformation resistance and the rigidity of the crack-resistant paste are improved again, the corrosion of rainwater to the asphalt is effectively prevented by filling the water absorption layer 8, the first waterproof layer 3 and the second waterproof layer 9, and the fiber layer 10 has good ductility and waterproofness by filling the fiber layer 10, tensile stress and shear stress transmitted by the semi-rigid base layer are buffered and dissipated, and the titanium dioxide antibacterial layer 7 and the abrasion anti-slip layer 12 are filled to prevent bacteria from corroding the anti-crack sticker and improve the anti-slip property of the anti-crack sticker, so that the practicability of the anti-crack sticker is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a prefabricated bituminous paving seals water antiskid and splits subsides which characterized in that: comprises a base surface (1), a hot melting layer (2) is arranged on the upper end surface of the base surface (1), a first waterproof layer (3) is arranged on the upper end surface of the hot melting layer (2), at least six reinforcing ribs (4) are sequentially inserted in the hot melting layer (2), the upper end surface of the first waterproof layer (3) is provided with a geotextile (5), the upper end surface of the geotextile (5) is provided with a carbon steel wire layer (6), the upper end surface of the carbon steel wire layer (6) is provided with a titanium dioxide antibacterial layer (7), the upper end surface of the titanium dioxide antibacterial layer (7) is provided with a water absorption layer (8), a second waterproof layer (9) is arranged on the upper end surface of the water absorption layer (8), a fiber layer (10) is arranged on the upper end surface of the second waterproof layer (9), the thermal insulation layer (11) is arranged on the upper end face of the fiber layer (10), and the abrasion anti-sliding layer (12) is arranged on the upper end face of the thermal insulation layer (11).

2. The precast asphalt pavement water-sealing anti-skid anti-crack sticker as claimed in claim 1, characterized in that: the hot melt layer (2) is hot melt adhesive, the first waterproof layer (3) and the second waterproof layer (9) are solid waterproof material soda lime, and the geotextile (5) is polyester filament non-woven fabric.

3. The precast asphalt pavement water-sealing anti-skid anti-crack sticker as claimed in claim 1, characterized in that: the water absorbing layer (8) is a composite water absorbing material blended by rubber.

4. The precast asphalt pavement water-sealing anti-skid anti-crack sticker as claimed in claim 1, characterized in that: the heat insulation layer (11) is made of polyurethane foam plastic.

5. The precast asphalt pavement water-sealing anti-skid anti-crack sticker as claimed in claim 1, characterized in that: the wearing and anti-sliding layer (12) is a rubber modified asphalt gravel layer, and the thickness from the base surface (1) to the wearing and anti-sliding layer (12) is 30-35 mm.