CN212316577U

CN212316577U - Asphalt pavement structure

Info

Publication number: CN212316577U
Application number: CN202020751636.0U
Authority: CN
Inventors: 罗春伦
Original assignee: Xuchang Tengfei Highway Engineering Co Ltd
Current assignee: Xuchang Tengfei Highway Engineering Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-08
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses an asphalt pavement structure, including the road bed layer, cement aggregate subbase has been laid to the top of cement aggregate subbase, concrete basic unit has been laid to the top of cement aggregate subbase, waterproof asphalt layer has been laid to the top of concrete basic unit, one deck waterproof adhesion layer has been laid to the top of waterproof asphalt layer, the one deck pitch layer that permeates water has been laid to the top of waterproof adhesion layer, vertical drain pipe has been laid to the both sides of concrete basic unit, be connected with horizontal drain pipe on the vertical drain pipe, horizontal drain pipe's the other end is connected with the sump pit, and this utility model discloses can realize asphalt pavement's quick drainage, be difficult for producing ponding, improve the security on road surface.

Description

Asphalt pavement structure

Technical Field

The utility model relates to a road surface technical field specifically is a bituminous paving structure.

Background

The drainage asphalt pavement has the excellent performances of good drainage performance, low noise, good anti-skid performance, glare reduction, heat island effect alleviation, material saving and the like, and gradually becomes an important development direction for highway construction. The drainage asphalt pavement has a large-gap structure, so that rainwater falling to the pavement can quickly infiltrate into a drainage surface layer and be drained away through transverse seepage, water mist caused by driving in rainy days is reduced, the visibility of the driving is improved, and the driving safety in rainy days is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an asphalt pavement structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an asphalt pavement structure, includes the roadbed layer, cement aggregate sublayer has been laid to the top of cement aggregate sublayer, adopts cement aggregate sublayer and cement aggregate sublayer as the basic unit, has structural strength height, non-deformable's characteristics, concrete base has been laid to the top of cement aggregate sublayer, and the concrete base of setting is as drainage basic unit for fixed vertical drain pipe conveniently carries out the drainage operation. Waterproof asphalt layer has been laid to concrete base's top, the waterproof adhesion layer of one deck has been laid to waterproof asphalt layer's top, the one deck asphalt layer that permeates water has been laid to waterproof adhesion layer's top, and the asphalt layer that permeates water that the setting permeates water can make the top surface ooze the waterproof adhesion layer on, then along the both sides on waterproof adhesion layer discharge to the road surface. Longitudinal drain pipes are laid on two sides of the concrete base layer, transverse drain pipes are connected to the longitudinal drain pipes, the other ends of the transverse drain pipes are connected with a water collecting well, and the longitudinal drain pipes can collect water and then drain the water into the water collecting well for storage.

Preferably, a curb is arranged above the longitudinal drain pipe, and a curb belt is arranged on one side of the curb.

Preferably, the tail end of the transverse drain pipe is provided with a check valve.

Preferably, an SBS waterproof layer is paved on the outer surface of the water collecting well.

Preferably, a geotextile layer is laid above the longitudinal drainage pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows: this bituminous paving structure, reasonable in design, moreover, the steam generator is simple in structure, adopt cement aggregate subbase layer and cement rubble basic unit as the basic unit, structural strength is high, non-deformable's characteristics, the concrete basic unit of setting is as drainage basic unit, be used for fixed vertical drain pipe, conveniently carry out the drainage operation, the asphalt layer that permeates water of setting can make the water of the top surface ooze on the waterproof adhesion layer, then along the both sides on waterproof adhesion layer discharge road surface, the vertical drain pipe of setting can be collected water then discharge and save in the sump pit, the utility model discloses can realize bituminous paving's quick drainage, be difficult for producing ponding, the security that improves the road surface.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial structure of the present invention.

In the figure: 1. a roadbed layer; 2. a cement aggregate sub-base layer; 3. a cement macadam base layer; 4. a concrete base layer; 5. a water impermeable asphalt layer; 6. a waterproof adhesive layer; 7. a water-permeable asphalt layer; 8. a road shoulder stone; 9. a geotextile layer; 10. a longitudinal drain pipe; 11. a transverse drain pipe; 12. a curb belt; 13. a water collecting well; 14. a non-return valve; 15. SBS waterproof layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an asphalt pavement structure comprises a roadbed layer 1, a cement aggregate subbase layer 2 is laid above the roadbed layer 1, a cement gravel subbase layer 3 is laid above the cement aggregate subbase layer 2, the cement aggregate subbase layer 2 and the cement gravel base layer 3 are adopted as base layers, and the asphalt pavement structure has the characteristics of high structural strength and difficulty in deformation, a concrete base layer 4 is laid above the cement gravel base layer 3, and the set concrete base layer 4 is used as a drainage base layer and used for fixing a longitudinal drainage pipe 10, so that drainage operation is facilitated.

Waterproof asphalt layer 5 has been laid to concrete base layer 4's top, one deck waterproof adhesion layer 6 has been laid to waterproof asphalt layer 5's top, one deck permeable asphalt layer 7 has been laid to waterproof adhesion layer 6's top, and permeable asphalt layer 7 of setting can make the water of the top surface ooze to waterproof adhesion layer 6 on, then along the both sides on waterproof adhesion layer 6 discharge to the road surface.

Longitudinal drain pipes 10 are laid on two sides of the concrete base layer 4, transverse drain pipes 11 are connected to the longitudinal drain pipes 10, water collecting wells 13 are connected to the other ends of the transverse drain pipes 11, and the longitudinal drain pipes 10 can collect water and then drain the water into the water collecting wells 13 for storage.

Specifically, the top of vertical drain pipe 10 is provided with curb 8, one side of curb 8 is provided with curb belt 12, check valve 14 is installed to the tail end of horizontal drain pipe 11, and the check valve 14 that sets up can prevent that the water in the sump well 13 from flowing back to in vertical drain pipe 10, the SBS waterproof layer 15 has been laid on the surface of sump well 13, geotechnological cloth layer 9 has been laid to the top of vertical drain pipe 10.

It should be noted that, this bituminous paving structure, and reasonable design, moreover, the steam generator is simple in structure, adopt cement aggregate subbase 2 and cement rubble basic unit 3 as the basic unit, structural strength is high, non-deformable's characteristics, concrete basic unit 4 is as drainage basic unit, be used for fixed longitudinal drain pipe 10, conveniently carry out the drainage operation, the asphalt layer 7 that permeates water can make the water of the top surface ooze on waterproof adhesion layer 6, then along the both sides on waterproof adhesion layer 6 discharge road surface, longitudinal drain pipe 10 can be collected water then deposit in the sump pit 13, the utility model discloses can realize bituminous paving's quick drainage, be difficult for producing ponding, improve the security on road surface.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An asphalt pavement structure, includes road bed layer (1), its characterized in that: cement aggregate sub-base (2) have been laid to the top of roadbed (1), cement aggregate sub-base (3) have been laid to the top of cement aggregate sub-base (2), concrete base (4) have been laid to the top of cement aggregate sub-base (3), waterproof asphalt layer (5) have been laid to the top of concrete base (4), one deck waterproof adhesion layer (6) have been laid to the top of waterproof asphalt layer (5), one deck permeable asphalt layer (7) have been laid to the top of waterproof adhesion layer (6), vertical drain pipe (10) have been laid to the both sides of concrete base (4), be connected with horizontal drain pipe (11) on vertical drain pipe (10), the other end of horizontal drain pipe (11) is connected with sump pit (13).

2. An asphalt pavement structure according to claim 1, characterized in that: and a road shoulder stone (8) is arranged above the longitudinal drainage pipe (10), and a curb belt (12) is arranged on one side of the road shoulder stone (8).

3. An asphalt pavement structure according to claim 1, characterized in that: and a check valve (14) is arranged at the tail end of the transverse water discharge pipe (11).

4. An asphalt pavement structure according to claim 1, characterized in that: and an SBS waterproof layer (15) is laid on the outer surface of the water collecting well (13).

5. An asphalt pavement structure according to claim 1, characterized in that: and a geotextile layer (9) is laid above the longitudinal drainage pipe (10).