CN215289542U

CN215289542U - Old cement concrete pavement regeneration adds pavements structure

Info

Publication number: CN215289542U
Application number: CN202120787698.1U
Authority: CN
Inventors: 骆俊晖; 黄海峰; 谢成; 黄伟; 廖来兴; 刘豪斌
Original assignee: Guangxi Beitou Transportation Maintenance Technology Group Co Ltd
Current assignee: Guangxi Beitou Transportation Maintenance Technology Group Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-12-24
Anticipated expiration: 2031-04-16

Abstract

The utility model belongs to concrete pavement field, especially, old cement concrete pavement regeneration adds spreads road surface structure, and intensity to current road surface structure is low to road surface structure's buffering waterproof performance is relatively poor, can not independently drain when rainy season, and road surface ponding can influence the current problem of traffic, now proposes following scheme, and it includes old road surface layer, the top of old road surface layer is provided with concrete layer down, be provided with a plurality of reinforcing bar nets down in the concrete layer, concrete layer's top is provided with the pitch layer down, the top on pitch layer is provided with the rubber layer, the top on rubber layer is provided with the asbestos fiber layer, the top on asbestos fiber layer is provided with concrete layer, the top on concrete layer is provided with the wearing layer, two pre-buried holes have been seted up at old road surface layer's top. The utility model discloses the effectual improvement reforms transform the intensity on road surface, improves road surface structure buffering waterproof performance, can independently the drainage when rainy season.

Description

Old cement concrete pavement regeneration adds pavements structure

Technical Field

The utility model relates to a concrete road surface technical field especially relates to an old cement concrete road surface regeneration adds pavements structure.

Background

Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement as the cementing materials and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water according to a certain proportion and stirring, and is widely applied to civil engineering.

In the old cement concrete pavement transformation process, at present, an asphalt layer is directly paved on the old cement concrete pavement, so that the strength of a pavement structure can be reduced, the buffering waterproof performance of the pavement structure is poor, autonomous drainage can not be realized in rainy seasons, and the traffic is influenced by accumulated water on the pavement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the intensity that exists the road surface structure among the prior art and low to the buffering waterproof performance of road surface structure is relatively poor, can not independently drain when rainy season, and surface gathered water can influence the current shortcoming of traffic, and the old cement concrete road surface regeneration that proposes adds paves the road surface structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an old cement concrete pavement regeneration adds pavements structure, includes old pavement layer, the top of old pavement layer is provided with concrete layer down, be provided with a plurality of reinforcing bar nets down in the concrete layer, concrete layer's top is provided with the pitch layer down, the top on pitch layer is provided with the rubber layer, the top on rubber layer is provided with the asbestos fiber layer, the top on asbestos fiber layer is provided with concrete layer, the top on going up concrete layer is provided with the wearing layer, two pre-buried holes have been seted up at the top of old pavement layer, the steel pipe has been buried underground in the pre-buried hole.

Preferably, a plurality of embedded grooves are seted up at the top of old pavement layer, and the reinforcing bar net is buried underground in the embedded groove.

Preferably, the asphalt layer, the rubber layer, the asbestos fiber layer, the upper concrete layer and the wear-resistant layer are all provided with through holes, and the steel pipes are fixedly arranged in the corresponding through holes.

Preferably, the wear-resistant layer is a carbon fiber concrete layer.

Preferably, the number of the reinforcing mesh is three.

Preferably, the top end of the steel pipe and the top of the wear-resistant layer are located on the same horizontal straight line.

In the utility model, the regeneration and additional pavement structure of the old cement concrete pavement is provided,

through the arrangement of the old pavement layer, the lower concrete layer and the reinforcing mesh, the old pavement layer is provided with the embedded groove, and the reinforcing mesh is embedded in the embedded groove, so that the bonding strength of the old pavement and the new pavement is effectively improved;

the waterproof buffering performance of the pavement structure can be effectively improved through the arranged rubber layer, the asbestos fiber layer, the upper concrete layer and the wear-resistant layer, and the downward extension of cracking can be avoided when the upper concrete layer is cracked;

through the steel pipe that sets up, can be better carry out drainage treatment to the road surface, prevent that surface gathered water from influencing the traffic.

Drawings

FIG. 1 is a schematic structural view of a recycled paved road structure of an old cement concrete road of the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a recycled paved road structure of an old cement concrete road of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2.

In the figure: 1. an old pavement layer; 2. a lower concrete layer; 3. an asphalt layer; 4. a rubber layer; 5. a layer of asbestos fibres; 6. an upper concrete layer; 7. a wear layer; 8. pre-burying a groove; 9. a reinforcing mesh; 10. pre-burying a hole; 11. a steel pipe; 12. and (6) perforating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The utility model provides a technical scheme of old cement concrete road surface regeneration adds pavement structure:

according to fig. 2 and 3, including old pavement layer 1, the top of old pavement layer 1 is provided with lower concrete layer 2, be provided with a plurality of reinforcing bar nets 9 in the lower concrete layer 2, the top of lower concrete layer 2 is provided with pitch layer 3, the top of pitch layer 3 is provided with rubber layer 4, the top of rubber layer 4 is provided with asbestos fiber layer 5, the top of asbestos fiber layer 5 is provided with concrete layer 6, the top of going up concrete layer 6 is provided with wearing layer 7, two pre-buried holes 10 have been seted up at the top of old pavement layer 1, steel pipe 11 has been buried underground in pre-buried hole 10, the steel pipe 11 of setting, can be with the leading-in below of old pavement layer 1 of ponding on the surface of road, be convenient for discharge ponding.

According to fig. 1, a plurality of embedded grooves 8 have been seted up at the top of old pavement layer 1, reinforcing bar net 9 is buried underground in embedded grooves 8, improve old pavement layer 1 and new pavement joint strength, asphalt layer 3, rubber layer 4, asbestos fiber layer 5, all be provided with perforation 12 on last concrete layer 6 and the wearing layer 7, steel pipe 11 fixed mounting is in corresponding perforation 12, be convenient for discharge surface ponding, wearing layer 7 is carbon fiber concrete layer, protect last concrete layer 6, the quantity of reinforcing bar net 9 is three, the top of steel pipe 11 is located same horizontal straight line with the top of wearing layer 7.

In the utility model, when in use, the old pavement layer 1 is provided with the pre-buried grooves 8 and the pre-buried holes 10, then the reinforcing mesh 9 is embedded in the embedded groove 8, the steel pipe 11 is embedded in the embedded hole 10, a lower concrete layer 2 is poured on the old pavement layer 1 to improve the pavement strength, then an asphalt layer 3 is poured on the lower concrete layer 2, the rubber layer 4 is arranged on the top of the asphalt layer 3, the rubber layer 4 plays a certain role of buffering, can prevent rainwater from seeping downwards, has better waterproof effect, the top of the rubber layer 4 is provided with an asbestos fiber layer 5, the asbestos fiber layer 5 can effectively prevent upper cracks from extending downwards, the upper concrete layer 6 is provided with a wear-resistant layer 7, protect last concrete layer 6, through the steel pipe 11 that sets up, drainage treatment that carries on that can be fine prevents that surface gathered water from influencing the traffic, can carry out regeneration to old cement road surface.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an old cement concrete pavement regeneration adds spreads road surface structure, includes old road surface layer (1), its characterized in that, the top of old road surface layer (1) is provided with concrete layer (2) down, be provided with a plurality of reinforcing bar nets (9) in concrete layer (2) down, the top of concrete layer (2) is provided with asphalt layer (3) down, the top of asphalt layer (3) is provided with rubber layer (4), the top of rubber layer (4) is provided with asbestos fiber layer (5), the top of asbestos fiber layer (5) is provided with concrete layer (6), the top of going up concrete layer (6) is provided with wearing layer (7), two pre-buried holes (10) have been seted up at the top of old road surface layer (1), steel pipe (11) have been buried underground in pre-buried hole (10).

2. The recycled additional pavement structure for the old cement concrete pavement according to claim 1, wherein a plurality of pre-buried grooves (8) are formed in the top of the old pavement layer (1), and the reinforcing mesh (9) is buried in the pre-buried grooves (8).

3. The recycled and paved road structure of an old cement concrete pavement as claimed in claim 1, wherein the asphalt layer (3), the rubber layer (4), the asbestos fiber layer (5), the upper concrete layer (6) and the wear layer (7) are all provided with perforations (12), and the steel pipes (11) are fixedly installed in the corresponding perforations (12).

4. A recycled overlaying pavement structure for old cement concrete pavements according to claim 1, characterized in that said wear layer (7) is a carbon fiber concrete layer.

5. A recycled overlaying pavement structure of an old cement concrete pavement according to claim 1, wherein said mesh reinforcement (9) is three in number.

6. A recycled overlaying pavement structure of an old cement concrete pavement according to claim 1, wherein the top ends of said steel pipes (11) are positioned on the same horizontal straight line with the top of said wearing course (7).