CN216275082U

CN216275082U - Highway road surface structure

Info

Publication number: CN216275082U
Application number: CN202122884266.5U
Authority: CN
Inventors: 林志能; 薛旭超; 冯肇朗
Original assignee: Guangdong Taihe Construction Co ltd
Current assignee: Guangdong Taihe Construction Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-12
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to the technical field of highways, in particular to a highway pavement structure, which comprises a cushion layer, a base layer and a surface layer, wherein the base layer is arranged at the top of the cushion layer; the drainage component comprises a water collecting well and a drainage pipe, the water collecting well is connected to two sides of the surface layer, the drainage pipe is fixedly connected to the bottom of the water collecting well, the outer side of the base layer is fixedly connected with a fixing buckle used for fixing the drainage pipe, and the top of the water collecting well is clamped with a well cover. This highway road surface structure all is provided with the sump pit through the both sides of surface course, and the top joint of sump pit has the well lid to be convenient for collect the rainwater on the surface of the surface course, then arranges the rainwater to the slope protection outside of preventing through the drain pipe, has reached the effectual advantage of drainage.

Description

Highway road surface structure

Technical Field

The utility model relates to the technical field of highways, in particular to a highway pavement structure.

Background

The expressway is a multi-lane highway which is specially used for the high-speed running of automobiles, has different regulations in different national regions, different times and different scientific research and academic fields, is designed to run in different directions and lanes and completely control the coming in and going out of the expressway, is suitable for more than 15000 cars on average days every year, is designed to have the speed of 80-120 kilometers per hour, is used as the expressway of a modern traffic sign, and is suitable for the development of industrialization and urbanization.

With the increasing traffic volume and the increasing proportion of large-scale and heavy-load heavy vehicles, the early damage of the road surface is more and more serious, and by summarizing and analyzing the statistical data of the highway road surface built in China, the reason that the existing highway causes the early damage of the road surface is that the drainage effect of the highway road surface is poor, and the service life of the highway road surface is seriously influenced, so that the highway road surface structure is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the highway pavement structure which has the advantages of good drainage effect and the like, and solves the problems that the highway pavement has poor drainage effect and the service life of the highway pavement is seriously influenced.

In order to achieve the purpose of good drainage effect, the utility model provides the following technical scheme: a highway pavement structure comprises a cushion layer, a base layer arranged on the top of the cushion layer and a surface layer arranged on the top of the base layer, wherein protective slopes for protection are arranged on two sides of the base layer and the surface layer, and a drainage assembly for drainage is arranged inside the surface layer and extends to the outer parts of the protective slopes;

the drainage component comprises a water collecting well and a drainage pipe, the water collecting well is connected to two sides of the surface layer, the drainage pipe is fixedly connected to the bottom of the water collecting well, the outer side of the base layer is fixedly connected with a fixing buckle used for fixing the drainage pipe, and the top of the water collecting well is clamped with a well cover.

Furthermore, the fixing buckle is fixedly connected with the base layer through an expansion bolt, and a drain hole matched with the water collecting well is formed in the well cover.

Furthermore, a central separation strip is arranged at the top of the surface layer and is positioned at the center of the top of the surface layer, and guard rails are fixedly connected to the two sides of the top of the surface layer.

Further, the basic unit includes lime soil layer and muddy soil layer, lime soil layer connects in the top on bed course, muddy soil layer connects in the top on lime soil layer.

Further, the thickness of the lime soil layer is 20 centimeters, and the thickness of the mud mixing soil layer is 30 centimeters to 40 centimeters.

Further, the surface course includes coarse grain pitch layer, medium grain pitch layer and fine grain pitch layer, the coarse grain pitch layer is connected in the top on muddy dirt layer, medium grain pitch layer is connected in the top on coarse grain pitch layer, fine grain pitch layer is connected in the top on medium grain pitch layer.

Further, the thickness of the coarse-particle asphalt layer is 7 centimeters, the thickness of the medium-particle asphalt layer is 6 centimeters, and the thickness of the fine-particle asphalt layer is 4 centimeters.

Further, protection slope includes impervious soil layer and stone shoulder pad, impervious soil layer connects in the both sides of basic unit and surface course, the stone shoulder pad is connected in impervious soil layer and is kept away from one side of basic unit and surface course.

Compared with the prior art, the utility model provides a highway pavement structure, which has the following beneficial effects:

this highway road surface structure, cooperation between through impervious soil layer and the stone shoulder pad, can resist the infiltration of most rainwater, can avoid inside ponding to cause the road surface to corrode and influence life, both sides through the surface course all are provided with the sump pit, and the top joint of sump pit has the well lid to be convenient for collect the rainwater on the surface of the surface, then arrange the rainwater to the slope protection outside of preventing through the drain pipe, the advantage that drainage effect is good has been reached, it is poor to have solved highway road surface drainage effect, serious influence highway road surface life's problem.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure A shown in FIG. 1 according to the present invention.

In the figure: 1. a cushion layer; 2. a base layer; 3. a surface layer; 4. slope protection is prevented; 5. a drainage assembly; 6. a central separator; 7. protecting the fence; 8. a lime soil layer; 9. a muddy soil layer; 10. a coarse asphalt layer; 11. a medium pitch layer; 12. a fine-grained asphalt layer; 13. an impermeable soil layer; 14. protecting shoulders with stones; 15. a water collecting well; 16. a drain pipe; 17. a fixing buckle; 18. a well cover; 19. and (4) draining the water.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a highway pavement structure includes a cushion layer 1, a base layer 2 disposed on the top of the cushion layer 1, and a surface layer 3 disposed on the top of the base layer 2, wherein protective slopes 4 for protection are disposed on both sides of the base layer 2 and the surface layer 3, and a drainage assembly 5 for drainage is disposed inside the surface layer 3 and outside the protective slopes 4.

In this embodiment, drainage component 5 includes sump pit 15 and drain pipe 16, sump pit 15 is connected in surface course 3's both sides, drain pipe 16 fixed connection is in sump pit 15's bottom, the outside fixedly connected with of basic unit 2 is used for carrying out the fixed knot 17 of fixing to drain pipe 16, fixed knot 17 passes through expansion bolts and basic unit 2 fixed connection, sump pit 15's top joint has well lid 18, wash port 19 with sump pit 15 looks adaptation is seted up to well lid 18's inside, through the cooperation between well lid 18 and the wash port 19, be convenient for filter the impurity in the rainwater, both sides through surface course 3 all are provided with sump pit 15, and sump pit 15's top joint has well lid 18, be convenient for collect surface course 3 rainwater on the surface, then arrange the rainwater to protection slope 4 outsidely through drain pipe 16, the effectual advantage of drainage has been reached.

Referring to fig. 1, in order to protect the expressway, in the present embodiment, a central separator 6 is disposed at the top of the surface layer 3, the central separator 6 is located at the center of the top of the surface layer 3, and guard rails 7 are fixedly connected to both sides of the top of the surface layer 3.

It should be noted that the top of the central bank 6 is provided with a green plant and a partition fence for partitioning, and the bottom of the central bank 6 is provided with a drainage assembly 5 extending to the outside of the protection slope 4.

Referring to fig. 1, in order to enhance the hardness of the highway pavement, in this embodiment, the base layer 2 includes a lime soil layer 8 and a mixed soil layer 9, the lime soil layer 8 is connected to the top of the cushion layer 1, the thickness of the lime soil layer 8 is 20 cm, the mixed soil layer 9 is connected to the top of the lime soil layer 8, the thickness of the mixed soil layer 9 is 30 cm to 40 cm, and by the cooperation between the lime soil layer 8 and the mixed soil layer 9, the hardness of the highway pavement can be enhanced as much as possible, so that the service life of the highway pavement is greatly prolonged.

It should be noted that the lime soil layer 8 may be one of lime crushed stone, lime soil and lime soil crushed stone, and the muddy soil layer 9 may be roller compacted concrete or lean concrete.

Referring to fig. 1, in order to enhance the impact force borne by the highway pavement, in the embodiment, the surface layer 3 includes a coarse-grained asphalt layer 10, a medium-grained asphalt layer 11 and a fine-grained asphalt layer 12, the coarse-grained asphalt layer 10 is connected to the top of the muddy soil layer 9, the thickness of the coarse-grained asphalt layer 10 is 7 cm, the medium-grained asphalt layer 11 is connected to the top of the coarse-grained asphalt layer 10, the thickness of the medium-grained asphalt layer 11 is 6 cm, the fine-grained asphalt layer 12 is connected to the top of the medium-grained asphalt layer 11, and the thickness of the fine-grained asphalt layer 12 is 4 cm.

Referring to fig. 1, in order to enhance the waterproof capability of the highway, in this embodiment, the protective slope 4 includes impermeable soil layers 13 and stone shoulder pads 14, the impermeable soil layers 13 are connected to two sides of the base layer 2 and the surface layer 3, and the stone shoulder pads 14 are connected to one side of the impermeable soil layers 13 far away from the base layer 2 and the surface layer 3, so that the impermeable soil layers 13 and the stone shoulder pads 14 are matched with each other, so that most of rainwater can be resisted from permeating, and the influence on the service life caused by road surface erosion due to internal water accumulation can be avoided.

The working principle of the above embodiment is as follows:

this highway road surface structure, through the cooperation between impervious soil layer 13 and the stone shoulder pad 14, can resist the infiltration of most rainwater, can avoid inside ponding to cause the road surface to corrode and influence life, both sides through surface course 3 all are provided with sump pit 15, and sump pit 15's top joint has well lid 18, be convenient for collect 3 surperficial rainwater on the surface course, then arrange the rainwater to the protection slope 4 outside through drain pipe 16, the advantage that drainage effect is good has been reached, it is poor to have solved highway road surface drainage effect, serious influence highway road surface life's problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a highway pavement structure, includes bed course (1), sets up at basic unit (2) at bed course (1) top and sets up surface course (3) at basic unit (2) top, its characterized in that: protective slopes (4) for protection are arranged on two sides of the base layer (2) and the surface layer (3), and a drainage assembly (5) for drainage is arranged inside the surface layer (3) and extends to the outside of the protective slopes (4);

drainage subassembly (5) are including sump pit (15) and drain pipe (16), sump pit (15) are connected in the both sides of surface course (3), drain pipe (16) fixed connection is in the bottom of sump pit (15), the outside fixedly connected with of basic unit (2) is used for carrying out fixed knot (17) fixed to drain pipe (16), the top joint of sump pit (15) has well lid (18).

2. An expressway surface structure according to claim 1, wherein: the fixing buckle (17) is fixedly connected with the base layer (2) through an expansion bolt, and a drain hole (19) matched with the water collecting well (15) is formed in the well cover (18).

3. An expressway surface structure according to claim 1, wherein: the top of the surface layer (3) is provided with a central separation belt (6), the central separation belt (6) is located in the center of the top of the surface layer (3), and guard rails (7) are fixedly connected to the two sides of the top of the surface layer (3).

4. An expressway surface structure according to claim 1, wherein: the base layer (2) comprises a lime soil layer (8) and a mixed soil layer (9), the lime soil layer (8) is connected to the top of the cushion layer (1), and the mixed soil layer (9) is connected to the top of the lime soil layer (8).

5. An expressway surface structure according to claim 4, wherein: the thickness of the lime soil layer (8) is 20 cm, and the thickness of the mixed soil layer (9) is 30 cm-40 cm.

6. An expressway surface structure according to claim 4, wherein: surface course (3) include coarse grain pitch layer (10), medium grain pitch layer (11) and fine grain pitch layer (12), coarse grain pitch layer (10) are connected in the top of muddy soil layer (9), medium grain pitch layer (11) are connected in the top of coarse grain pitch layer (10), fine grain pitch layer (12) are connected in the top of medium grain pitch layer (11).

7. An expressway surface structure according to claim 6, wherein: the thickness of the coarse-grained asphalt layer (10) is 7 cm, the thickness of the medium-grained asphalt layer (11) is 6 cm, and the thickness of the fine-grained asphalt layer (12) is 4 cm.

8. An expressway surface structure according to claim 1, wherein: the protection slope (4) comprises an impermeable soil layer (13) and stone shoulder pads (14), the impermeable soil layer (13) is connected to the two sides of the base layer (2) and the surface layer (3), and the stone shoulder pads (14) are connected to one side, away from the base layer (2) and the surface layer (3), of the impermeable soil layer (13).