CN110820451A

CN110820451A - Highway structure

Info

Publication number: CN110820451A
Application number: CN201911174903.0A
Authority: CN
Inventors: 李明欢; 王彩花
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-02-21

Abstract

The invention provides an expressway structure, and relates to the technical field of highways. The highway structure comprises a first traffic lane, a second traffic lane and a third traffic lane, wherein the first traffic lane and the second traffic lane are arranged in parallel; the third traffic lane comprises a first emergency lane and a second emergency lane which are parallel, a first partition wall is arranged between the first emergency lane and the second emergency lane, the first emergency lane is communicated with the first traffic lane, and the second emergency lane is communicated with the second traffic lane; a second partition wall is arranged between the first emergency road and the first traffic lane, a plurality of second openings are arranged at intervals along the vehicle running direction on the second partition wall, a third partition wall is arranged between the second emergency road and the second traffic lane, and a plurality of third openings are arranged at intervals along the vehicle running direction on the third partition wall, so that the technical problems that the functions of the road are not perfect and the quality is low in the prior art are solved.

Description

Highway structure

Technical Field

The invention relates to the technical field of highways, in particular to a highway structure.

Background

The expressway has different regulations in different national regions, different times and different scientific research and academic fields, and the expressway network not only comprises expressway lines meeting technical grade standards, but also comprises a part of expressway lines bearing high-speed transportation functions. Thus, the quality requirements of highways are important requirements in use today. However, in actual use, the aging of the asphalt surface layer can be accelerated by the long-term irradiation of strong ultraviolet rays, so that the asphalt surface layer is quickly hardened and becomes brittle, and the flexibility of the asphalt mixture is greatly reduced; the temperature difference between day and night is large, so that the asphalt pavement is easy to crack under the circulation action of large temperature difference, and the whole service life of the pavement structure is shortened. Meanwhile, because the highway has certain closure, some lanes need to be arranged so as to facilitate emergency treatment of driving. However, the existing emergency lanes of the road are not clearly distinguished, so that the judgment of a driver is easy to be wrong, the road surface quality is low, and the driving of the driver is influenced.

Disclosure of Invention

The first purpose of the present invention is to provide a highway structure to alleviate the technical problems of the prior art, such as insufficient highway functions and low quality.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a highway structure, which comprises a first traffic lane, a second traffic lane and a third traffic lane, wherein the first traffic lane and the second traffic lane are arranged in parallel;

the third traffic lane comprises a first emergency lane and a second emergency lane which are parallel, a first partition wall is arranged between the first emergency lane and the second emergency lane, the first emergency lane is communicated with the first traffic lane, and the second emergency lane is communicated with the second traffic lane;

a second partition wall is arranged between the first emergency road and the first traffic lane, the second partition wall is provided with a plurality of second openings which are arranged at intervals along the vehicle running direction, a third partition wall is arranged between the second emergency road and the second traffic lane, and the third partition wall is provided with a plurality of third openings which are arranged at intervals along the vehicle running direction;

first traffic lane the second traffic lane with the third traffic lane all includes the road bed main part, the road bed main part includes top surface course, well surface course and basic unit from top to bottom in proper order, the top surface course includes asphalt concrete layer, just it has polyester fiber and carbon black to mix in the asphalt concrete.

In any of the above technical solutions, further, the roadbed main body further includes a sealing layer and a permeable layer between the middle layer and the base layer, and the sealing layer and the permeable layer are arranged from top to bottom;

the seal comprises a hot asphalt synchronous macadam seal or an emulsified asphalt slurry seal, and the permeable layer comprises an emulsified asphalt layer.

In any of the above technical solutions, further, the highway structure further includes a three-dimensional drainage system;

the three-dimensional drainage system comprises a plurality of horizontal drainage layers, a plurality of vertical drainage channels and side slope drainage layers, wherein the vertical drainage channels and the side slope drainage layers are arranged in a crossed mode, the horizontal drainage layers and the vertical drainage channels can divide the roadbed main body into a plurality of roadbed filling soil, and the side slope drainage layers are located on two sides of the roadbed main body and are communicated with the horizontal drainage layers.

In any one of the above technical solutions, further, an anti-corrosion layer is disposed on one side of the horizontal drainage layer and one side of the slope drainage layer, which is away from the roadbed filling.

In any of the above technical solutions, further, the three-dimensional drainage system further includes a drainage channel located at the bottom of the side slope drainage layer, and the horizontal drainage layer is communicated with the drainage channel.

In any of the above technical solutions, further, the three-dimensional drainage system further includes a drainage pipeline disposed at the bottom of the horizontal drainage layer, and the bottom of the horizontal drainage layer is provided with a plurality of drainage ports, and water inlets of the drainage pipeline are communicated with the drainage ports.

In any one of the above technical solutions, further, the drainage pipeline includes a transverse pipeline and a vertical pipeline which are arranged in a crisscross manner, and each drainage port corresponds to one of the vertical pipelines.

In any of the above technical solutions, further, the transverse duct is arranged in an arc shape.

In any of the above technical solutions, further, the horizontal drainage layer adopts a reinforced drainage layer, and crushed gravel is filled in the horizontal drainage layer; and crushed gravels are filled in the vertical drainage channel.

In any one of the above technical solutions, further, protection plates are arranged on the left side wall and the right side wall of the roadbed main body, protection stone walls are arranged on the protection plates, and drain holes are formed in the protection stone walls.

The invention has the beneficial effects that:

according to the highway structure provided by the invention, the second separation wall is arranged between the first emergency lane and the first traffic lane, and the second separation wall is provided with the plurality of second openings, so that vehicles needing to enter the emergency lane can conveniently enter the second separation wall. Simultaneously a plurality of openings are convenient for the vehicle in the different positions of first traffic lane to get into first emergency road, and then carry out vehicle rescue. Set up the third division wall between emergent way of second and the second traffic lane, be provided with a plurality of third openings on the third division wall, the vehicle of the different positions department of also being convenient for gets into, and then increases the emergency rescue of vehicle, also is convenient for simultaneously rush-repair in emergent way of first emergency and second. The polyester fiber and the carbon black are simultaneously added into the asphalt concrete of the upper layer, so that the strength of the upper layer can be increased through the polyester fiber, the strength of the pavement structure is improved, the aging of the upper layer due to ultraviolet irradiation can be delayed by using the ultraviolet aging resistant agent, the possibility of cracking of the pavement structure can be reduced from two aspects, and the service life of the pavement structure is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of three traffic lanes in a highway architecture according to an embodiment of the present invention;

FIG. 2 is a partial schematic view of a portion of a highway architecture provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic diagram of a main body of a highway base according to an embodiment of the present invention;

fig. 4 is a schematic view of a main body of a highway and a three-dimensional drainage system in the highway structure according to the embodiment of the invention;

FIG. 5 is a schematic illustration of a corrosion protection layer in a highway structure provided by an embodiment of the present invention;

fig. 6 is a schematic view of a reinforcing frame in a highway structure according to an embodiment of the present invention.

Icon: 11-first lane; 12-a second lane of traffic; 13-first emergency lane; 14-a vertical pipe; 21-a first partition wall; 22-a second partition wall; 23-a third partition wall; 31-upper surface layer; 32-middle surface layer; 33-a base layer; 34-sealing layer; 35-a permeable layer; 41-horizontal drainage layer; 42-vertical drainage channels; 43-slope drainage layer; 44-a corrosion protection layer; 45-a drainage channel; 46-a water drain pipeline; 51-protective plate; 52-building a wall by using protective stones; 100-a roadbed main body; 101-filling soil into a roadbed; 221-a second opening; 231-a third opening; 331-upper base layer; 332-lower base layer; 441-a reinforcing cage; 442-a layer of glass flake cement; 461-transverse duct; 462-vertical pipes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the present embodiment provides a highway structure including a first traffic lane 11 and a second traffic lane 12 arranged in parallel and a third traffic lane arranged therebetween; the third traffic lane comprises a first emergency lane 13 and a vertical pipeline 14 which are parallel, a first partition wall 21 is arranged between the first emergency lane 13 and the vertical pipeline 14, the first emergency lane 13 is communicated with the first traffic lane 11, and the vertical pipeline 14 is communicated with the second traffic lane 12; a second partition wall 22 is arranged between the first emergency road 13 and the first traffic lane 11, the second partition wall 22 is provided with a plurality of second openings 221 which are arranged at intervals along the vehicle running direction, a third partition wall 23 is arranged between the vertical pipeline 14 and the second traffic lane 12, and the third partition wall 23 is provided with a plurality of third openings 231 which are arranged at intervals along the vehicle running direction; the first traffic lane 11, the second traffic lane 12 and the third traffic lane all include the road bed main part 100, and the road bed main part 100 includes upper surface 31, middle surface 32 and basic unit 33 from top to bottom in proper order, and upper surface 31 includes the asphalt concrete layer, and mixes polyester fiber and carbon black in the asphalt concrete.

Specifically, the first traffic lane 11 and the second traffic lane 12 are two traffic lanes with opposite driving directions, so that the first traffic lane 11 has an independent first emergency road 13, the second traffic lane 12 has an independent vertical pipe 14, and both emergency roads are located between the first traffic lane 11 and the second traffic lane 12 and are separated by a first separation wall 21, which facilitates the construction of the high road structure.

Wherein, a second separation wall 22 is arranged between the first emergency road 13 and the first traffic lane 11, and a plurality of second openings 221 are arranged on the second separation wall 22, so as to facilitate the entry of vehicles which need to enter the emergency traffic lane. Meanwhile, the plurality of openings facilitate vehicles at different positions of the first traffic lane 11 to enter the first emergency lane 13 so as to carry out vehicle rescue. Set up third division wall 23 between vertical pipeline 14 and second traffic lane 12, be provided with a plurality of third openings 231 on the third division wall 23, the vehicle of also being convenient for different positions department gets into, and then increases the emergency rescue of vehicle, also is convenient for salvage simultaneously at first emergency road 13 and vertical pipeline 14.

The three traffic lanes each include a roadbed main body 100, that is, the roadbed main bodies 100 of the three traffic lanes may be integrally formed. The roadbed main body 100 comprises an upper surface layer 31, a middle surface layer 32 and a base layer 33 from top to bottom in sequence. Because the upper layer 31 is a structural layer directly influenced by natural factors in the pavement structure, polyester fibers are added into the asphalt concrete of the upper layer 31, the strength of the upper layer 31 is increased through the polyester fibers, and the aims of improving the strength and the anti-cracking performance of the pavement structure can be fulfilled, so that the problems that the pavement structure is easy to age, harden and become brittle under long-term irradiation of strong ultraviolet rays and is easy to crack under the condition of large day-night temperature difference are solved; the carbon black is added into the asphalt concrete of the upper layer 31, so that the aging of the upper layer 31 caused by ultraviolet irradiation can be delayed, the possibility of cracking of the pavement structure can be reduced, and the service life of the pavement structure can be prolonged.

Therefore, by adding the polyester fiber and the carbon black into the asphalt concrete of the upper layer 31, the strength of the upper layer 31 can be increased through the polyester fiber, the strength of the pavement structure can be improved, the aging of the upper layer 31 caused by ultraviolet irradiation can be delayed by using the ultraviolet aging resistant agent, the possibility of cracking of the pavement structure can be reduced from two aspects, and the service life of the pavement structure can be prolonged.

In an alternative solution of this embodiment, as shown in fig. 3, the roadbed main body 100 further includes a seal layer 34 and a permeable layer 35 located between the middle layer 32 and the base layer 33, wherein the seal layer 34 and the permeable layer 35 are arranged from top to bottom; the seal 34 comprises a hot asphalt synchronous chip seal 34 or an emulsified asphalt slurry seal 34, and the permeable layer 35 comprises an emulsified asphalt layer. Wherein the middle layer 32 comprises AC-20 asphalt concrete, the seal 34 may comprise a hot asphalt synchronous macadam seal 34 or an emulsified asphalt slurry seal 34, and the permeable layer 35 may comprise an emulsified asphalt layer.

Wherein, the base layer 33 may include an upper base layer 331 and a lower base layer 332, the upper base layer 331 includes a graded macadam base layer 33; the lower base layer 332 includes a cement stabilized gravel layer or a cement stabilized gravel layer. The maximum grain size of the graded broken stone mixture aggregate is not more than 31.5mm, the construction compactness is more than 98% and is as close to 100% as possible (the upper base layer 331 and the lower base layer 332 of the conventional pavement structure are both cement stable mixture base layers 33, and the upper base layer 331 adopts the graded broken stone mixture and is of an inverted structure in the embodiment). The lower base layer 332 is a cement stabilized gravel layer or a cement stabilized gravel layer, which may be cement stabilized gravel using a vibration stirring process or a secondary stirring process, or a cement stabilized gravel mixture using a vibration stirring process or a secondary stirring process.

With continued reference to fig. 4, in some embodiments, the highway structure further comprises a solid drainage system; the three-dimensional drainage system comprises a plurality of horizontal drainage layers 41, a plurality of vertical drainage channels 42 and side slope drainage layers 43, wherein the plurality of vertical drainage channels 42 and the side slope drainage layers 43 are arranged in a crossed mode with the horizontal drainage layers 41, the horizontal drainage layers 41 and the vertical drainage channels 42 can divide the roadbed main body 100 into a plurality of roadbed filling soil, and the side slope drainage layers 43 are located on two sides of the roadbed main body 100 and communicated with the horizontal drainage layers 41. Horizontal drainage layer 41, vertical drainage channel and side slope drainage layer 43 form a three-dimensional road bed drainage system, can get rid of the embankment water from a plurality of aspect, and the drainage effect is better.

In an alternative embodiment, as shown in fig. 5 and 6, the horizontal drainage layer 41 and the slope drainage layer 43 are provided with an anti-corrosion layer 44 on the side facing away from the roadbed filling.

During the in-service use, horizontal drainage layer 41 and side slope drainage layer 43 deviate from one side of road bed fill is provided with anti-corrosion layer 44, and anti-corrosion layer 44 has isolated horizontal drainage layer 41 and side slope drainage layer 43 and needs discharged water for acid material such as sulfur dioxide in the discharged water can not corrode horizontal drainage layer 41 and side slope drainage layer 43, improves the life of horizontal drainage layer 41 and side slope drainage layer 43, and discharged water can not dip the road bed fill, can arrange into smoothly.

Wherein, the anti-corrosion layer 44 comprises a reinforcing framework 441 and a glass scale daub layer 442; by the arrangement, the reinforcing framework 441 and the glass flake daub layer 442 are combined to form the anti-corrosion layer 44, the reinforcing framework 441 can be used for better connecting the anti-corrosion layer 44 with the horizontal drainage layer 41 and the side slope drainage layer 43, and meanwhile, the bonding strength of the anti-corrosion layer 44 with the horizontal drainage layer 41 and the side slope drainage layer 43 can be improved, so that the stability of the whole structure is improved; the glass flake daub layer 442 can also serve as an adhesive to bond the reinforcing skeleton 441 to the horizontal drainage layer 41 and the side slope drainage layer 43.

In actual use, the reinforcing frame 441 has a net structure and is made of glass fluoroplastic. The glass fiber mesh fabric is prepared by taking glass fiber woven fabric as a base material and soaking a coating layer by using a high-molecular anti-emulsion. Therefore, the high-strength anti-corrosion and anti-cracking paint has good alkali resistance, flexibility and high tensile resistance in the warp and weft directions, and can be widely used for corrosion prevention, crack resistance and the like.

In an alternative of this embodiment, as shown in fig. 4, the three-dimensional drainage system further includes a drainage channel 45 at the bottom of the slope drainage layer 43, and the horizontal drainage layer 41 is communicated with the drainage channel 45.

Here, since the left side of the roadbed main body 100 is taken as the width direction of the roadbed main body 100 from the right side, the drainage grooves 45 are provided on both the left and right sides of the roadbed main body 100, and the slope drainage layers 43 are provided on both the left and right sides of the roadbed main body 100. The left and right sides of horizontal drainage layer 41 communicates with the side slope drainage layer 43 of homonymy respectively, and water drainage tank 45 is located the bottom of side slope drainage layer 43, and then the water in the horizontal drainage layer 41 of being convenient for flows to water drainage tank 45 to directly flow to the soil through water drainage tank 45 in, and then reduce the ponding on the road surface.

In an alternative embodiment, as shown in fig. 4, the three-dimensional drainage system further includes a drainage pipeline 46 disposed at the bottom of the lowest horizontal drainage layer 41, and the bottom of the horizontal drainage layer 41 is provided with a plurality of drainage ports, and the water inlet of the drainage pipeline 46 is communicated with the drainage ports.

Preferably, the drainage pipes 46 include transverse pipes 461 and vertical pipes 462 arranged in a criss-cross manner, and each drainage port corresponds to one of the vertical pipes 462.

In order to further increase the drainage performance of the highway structure, a drainage pipeline 46 is arranged at the bottom of the horizontal drainage layer 41 at the bottommost layer, a vertical pipeline 462 in the drainage pipeline 46 is communicated with a drainage port on the horizontal drainage layer 41, so that the horizontal drainage layer 41 at the bottommost layer has a second drainage mode communicated with the vertical pipeline 462 besides a drainage mode communicated with the side slope drainage layer 43, and the integral drainage effect is increased.

Wherein the transverse conduit 461 is arc-shaped. Because the transverse conduit 461 is arc-shaped, the sewage flowing to the transverse conduit 461 can flow to the lowest point of the arc again along the arc, i.e. the position connected with the vertical conduit 462, thereby increasing the drainage effect.

Wherein, the horizontal drainage layer 41 adopts a reinforced drainage layer, and crushed gravels are filled in the horizontal drainage layer; the vertical drainage channels 42 are internally filled with crushed gravel.

Referring to fig. 1, it is preferable that protection plates are disposed on left and right side walls of the roadbed main body 100, protection stone walls 52 are disposed on the protection plates, and drainage holes are disposed on the protection stone walls 52. Wherein, the protection shield not only is used for protecting the ground of road bed main part 100 both sides, also protects road bed main part 100 to the dregs of earth, lug etc. of both sides drop to road bed main part 100 on, and then influence the quality of road bed main part 100. Meanwhile, a protective stone masonry wall 52 is provided on the protective plate 51 to further increase the protective effect. In addition, a drainage hole is provided on the protective stone masonry wall 52 so that rainwater falling thereon can flow into the ground along the drainage hole, preventing the rainwater from being accumulated on the roadbed main body 100, thereby increasing a drainage effect.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A highway structure is characterized by comprising a first traffic lane, a second traffic lane and a third traffic lane, wherein the first traffic lane and the second traffic lane are arranged in parallel;

2. The highway structure of claim 1, wherein the roadbed main body further comprises a sealing layer and a permeable layer positioned between the middle layer and the base layer, and the sealing layer and the permeable layer are arranged from top to bottom;

3. The highway structure of claim 1, further comprising a solid drainage system;

4. A highway structure according to claim 3 wherein said horizontal drainage layer and said side slope drainage layer are provided with an anti-corrosion layer on the side facing away from said roadbed fill.

5. The highway structure of claim 3, wherein the three-dimensional drainage system further comprises a drainage channel at the bottom of the side slope drainage layer, and the horizontal drainage layer is in communication with the drainage channel.

6. The highway structure of claim 3, wherein the three-dimensional drainage system further comprises a drainage pipeline arranged at the bottom of the horizontal drainage layer at the bottommost layer, a plurality of drainage ports are arranged at the bottom of the horizontal drainage layer, and water inlets of the drainage pipeline are communicated with the drainage ports.

7. The highway structure of claim 6, wherein said drainage pipes comprise a transverse pipe and a vertical pipe arranged in a crisscross pattern, and each of said drainage openings corresponds to one of said vertical pipes.

8. The highway structure of claim 7, wherein the transverse ducts are arcuately arranged.

9. The highway structure according to claim 3, wherein the horizontal drainage layer is a reinforced drainage layer, and crushed gravel is filled in the horizontal drainage layer; and crushed gravels are filled in the vertical drainage channel.

10. The expressway structure according to any one of claims 1 to 9, wherein protection plates are disposed on left and right side walls of the roadbed main body, protection stone walling is disposed on the protection plates, and drainage holes are disposed on the protection stone walling.