CN213772792U

CN213772792U - Super-surface permeable asphalt pavement

Info

Publication number: CN213772792U
Application number: CN202021817733.1U
Authority: CN
Inventors: 李�昊; 鲁庆; 陈佳; 吕朋
Original assignee: Luzhou Zhitong Remix Asphalt Concrete Co ltd
Current assignee: Luzhou Zhitong Remix Asphalt Concrete Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-07-23
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a super surface department bituminous paving that permeates water relates to road surface drainage field. The concrete drainage system comprises a concrete layer, a water-permeable asphalt layer and drainage pipelines, wherein the surface of the water-permeable asphalt layer is arched and is communicated with the two drainage pipelines; be provided with a plurality of water conservancy diversion chambeies in the concrete layer, be provided with a plurality of I-shaped steel in the water conservancy diversion intracavity, be provided with first guide plate and second guide plate in two recesses of I-shaped steel, first guide plate and second guide plate are the type of falling V structure, and two recess intussuseptions are filled with water-absorbing material. The utility model discloses a super-surface permeable asphalt pavement divides rainwater into three parts for diversion, which not only can greatly improve the water permeability of the pavement, but also can avoid excessive rainwater from leaking into the soil foundation; it is worth noting that the water absorbing material can accelerate the flowing speed of the rainwater in the concrete layer in the process of absorbing the rainwater in the holes of the concrete layer into the flow guide cavity, and further plays a role in accelerating the water permeation efficiency.

Description

Super-surface permeable asphalt pavement

Technical Field

The utility model relates to a road surface drainage field, concretely relates to super table department bituminous paving that permeates water.

Background

The progress of urbanization in China is rapidly developed since the 21 st century, the urban range is rapidly expanded, and the road mileage is continuously increased. The enlargement of the city and the increase of the road mileage bring convenience to the travel of people, improve the modernization progress speed and provide a solid foundation for the development of economy and society. However, the expansion of the urban area and the increase of the road mileage also accelerate the road updating speed, and the maintenance and construction cost is increased rapidly, while the dependence of people on roads in the aspects of travel, urban economic construction and social development is increasing continuously, the construction period of the common road construction process is long, the road is seriously influenced by weather, the construction cost is high, the service life is short, and therefore, an assembly type road is proposed in recent years.

The existing fabricated road is generally composed of a reinforced concrete layer and a permeable asphalt layer, and although the fabricated road has the advantages of simple installation process and short construction period, the fabricated road has the following defects: 1. in order to ensure the strength of the road, the porosity of the reinforced concrete layer and the permeable asphalt layer is generally controlled to be about 20 percent, and the method is suitable for areas with less rainwater, but in areas with sufficient rainwater, especially in heavy rain weather, a large amount of rainwater needs to penetrate through the gaps of the permeable asphalt layer and then the reinforced concrete, the drainage channel is single, and the water permeability is poor; 2. though the bituminous paving that permeates water can play the effect of replenishing groundwater, equally, when meetting torrential rain weather, if all arrange the soil matrix with whole rainwater, easily lead to the soil matrix not hard up, and when the water absorption capacity on soil matrix upper strata is close the saturation, can cause great influence to permeating water of the bituminous layer and the reinforced concrete layer of permeating water.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a super surface department bituminous paving that permeates water to the assembly bituminous paving that permeates water that solves prior art water permeability can poor and the fragile problem of soil matrix.

The super-surface permeable asphalt pavement comprises a concrete layer, a permeable asphalt layer positioned on the concrete layer and drainage pipelines positioned on two sides of the concrete layer, wherein the surface of the permeable asphalt layer is arched, and two arch feet are respectively communicated with the two drainage pipelines; a plurality of flow guide cavities are formed in the concrete layer, a plurality of I-shaped steels are arranged in the flow guide cavities, a first flow guide plate and a second flow guide plate are arranged in two grooves of the I-shaped steels, the first flow guide plate and the second flow guide plate are of inverted V-shaped structures, and water absorbing materials are filled in the two grooves; the concrete layer is provided with a plurality of guardrail mounting columns on two sides, the bottom of each guardrail mounting column is provided with a mounting hole in an I-shaped structure, and the guardrail mounting columns are respectively connected with the end parts of the corresponding I-shaped steel in a clamping mode through the mounting holes. Preferably, the porosity of the concrete layer is greater than the porosity of the water-permeable asphalt layer.

Preferably, the porosity of the concrete layer is 26% -30%, and the porosity of the water-permeable asphalt layer is 18% -20%.

Preferably, a placing groove is formed in the guardrail mounting column, and glass beads are arranged in the placing groove.

Preferably, the drainage pipeline comprises a first pipe body and a second pipe body which are detachably connected, a concave groove is formed in the first pipe body, a plurality of first through holes communicated with the concave groove are formed in the first pipe body, and the first through holes are respectively communicated with the corresponding flow guide cavities; the second pipe body is provided with an arch-shaped groove which forms a circular groove with the concave groove, the second pipe body is provided with a plurality of second through holes communicated with the arch-shaped groove, and the second through holes are communicated with the surface of the water-permeable asphalt layer.

Preferably, a bayonet is arranged on the first pipe body, and the second pipe body is abutted to the bayonet.

Preferably, the water absorbing material is one of carbon residue, water absorbing resin or foamed concrete.

The beneficial effects of the utility model are embodied in:

1. the utility model discloses a super-surface permeable asphalt pavement divides rainwater into three parts for diversion, which not only can greatly improve the water permeability of the pavement, but also can avoid excessive rainwater from leaking into the soil foundation; the guardrail mounting column is prefabricated on the concrete layer, so that the construction efficiency of the whole road can be improved, and the guardrail mounting column is equivalent to a concrete pile in the prior art and has higher firmness; it is worth noting that the water absorbing material can accelerate the flowing speed of the rainwater in the concrete layer in the process of absorbing the rainwater in the holes of the concrete layer into the flow guide cavity, and further plays a role in accelerating the water permeation efficiency.

2. The utility model discloses a super table department bituminous paving that permeates water passes through the porosity setting on concrete layer and the pitch layer that permeates water, because the porosity is poor, when the rainwater is full of the infiltration section, can form the rainwater suction infiltration section of negative pressure in with the macropore section, and then play the effect that promotes the water permeability.

3. The utility model discloses a super table department bituminous paving that permeates water passes through the porosity setting on concrete layer and the pitch layer that permeates water, because the porosity is poor, when the rainwater is full of the infiltration section, can form the rainwater suction infiltration section of negative pressure in with the macropore section, and then play the effect that promotes the water permeability.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a front view of a permeable asphalt pavement with a super-surface area;

FIG. 2 is a left side view of the permeable asphalt pavement of the utility model;

in the attached figure, 1-a water permeable asphalt layer, 2-a concrete layer, 3-I-shaped steel, 4-a guardrail mounting column, 5-a water absorption material, 6-a first pipe body, 7-a second pipe body, 8-a first guide plate, 9-a second guide plate and 10-a placement groove.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1:

a super-surface permeable asphalt pavement comprises a concrete layer 2, a permeable asphalt layer 1 positioned on the concrete layer 2 and drainage pipelines positioned at two sides of the concrete layer 2, wherein the surface of the permeable asphalt layer 1 is arched, and two arch feet are respectively communicated with the two drainage pipelines; a plurality of flow guide cavities are formed in the concrete layer 2, a plurality of I-shaped steel 3 are arranged in the flow guide cavities, a first flow guide plate 8 and a second flow guide plate 9 are arranged in two grooves of the I-shaped steel 3, the first flow guide plate 8 and the second flow guide plate 9 are of inverted V-shaped structures, and water absorbing materials 5 are filled in the two grooves; the concrete layer 2 is provided with a plurality of guardrail mounting posts 4 on two sides, the bottom of each guardrail mounting post 4 is provided with a mounting hole in an I-shaped structure, and the guardrail mounting posts 4 are respectively connected with the end parts of the corresponding I-shaped steel 3 through the mounting holes in a clamping manner.

Preferably, the concrete layer 2 is formed by sand-free concrete pouring, and geotextile is arranged between the asphalt layer and the concrete layer 2 to enhance the integrity of the pavement.

Preferably, be provided with on guardrail erection column 4 and shelve groove 10, be provided with glass bead in the shelve groove 10, shelve groove 10 can be arrow point indicating device, strip or sign form for provide indicating information or warning information for the driver night.

Preferably, the surface of the water-permeable asphalt layer 1 is coated with a hydrophobic material.

Preferably, the water absorbing material 5 is one of carbon residue, water absorbing resin or foamed concrete.

Preferably, the ends of the guardrail mounting posts 4 are located within the concrete layer 2.

The utility model discloses a super table department bituminous paving that permeates water's theory of operation does: the guardrail erection column 4 is prefabricated on concrete layer 2, has saved the follow-up process of piling again, and has promoted the fastness performance of guardrail erection column 4 through

concrete layer

2 and 3 dual fixed guardrail erection columns 4 of i-shaped steel. The whole rainwater is divided into three parts, the first part of rainwater can be guided into drainage pipes on two sides along the surface of the water-permeable asphalt layer 1, and the amount of rainwater required to permeate the water-permeable asphalt layer 1 is reduced; the rainwater of the second part and the third part can enter the concrete layer 2 through the gap of the water-permeable asphalt layer 1, wherein the rainwater of the second part is sucked into the guide plate by the water-absorbing material 5 and is guided into the drainage pipeline along the first guide plate 8 or the second guide plate 9, and the rainwater of the third part permeates into the base layer from the concrete layer 2.

Example 2:

on the basis of the above-mentioned embodiment, for further carrying out better the utility model discloses, adopt following setting very much, the porosity of concrete layer 2 is greater than the porosity of the asphalt layer 1 that permeates water.

Preferably, the porosity of the concrete layer 2 is 26% -30%, and the porosity of the water-permeable asphalt layer 1 is 18% -20%.

The utility model discloses a super table department bituminous paving that permeates water passes through concrete layer 2 and the porosity setting on the pitch layer 1 that permeates water, because the porosity is poor, when the rainwater is full of the infiltration section, can form the rainwater suction infiltration section of negative pressure in with the macropore section, and then play the effect that promotes the water permeability.

Example 3:

on the basis of the above embodiment, in order to further better implement the present invention, the following arrangement is particularly adopted, the drainage pipeline includes a first pipe body 6 and a second pipe body 7 which are detachably connected, the first pipe body 6 is provided with a concave groove, the first pipe body 6 is provided with a plurality of first through holes communicated with the concave groove, and the plurality of first through holes are respectively communicated with the corresponding flow guide cavities; the second pipe body 7 is provided with an arch-shaped groove which forms a circular groove with the concave groove, the second pipe body 7 is provided with a plurality of second through holes communicated with the arch-shaped groove, and the second through holes are communicated with the surface of the water-permeable asphalt layer 1.

The utility model discloses a surpass table department bituminous paving that permeates water through first body 6 and the split type setting of second body 7, when ponding appears in one of them section road surface, the accessible is dismantled alone and is replaced the absorbent material 5 of corresponding first body 6 in to the guiding gutter.

Preferably, a bayonet is arranged on the first pipe body 6, the second pipe body 7 is abutted against the bayonet, and the first pipe body 6 and the second pipe body 7 can be further fixed through bolts, clasps and other objects.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a super surface department bituminous paving that permeates water which characterized in that: the water-permeable asphalt layer comprises a concrete layer (2), a water-permeable asphalt layer (1) positioned on the concrete layer (2) and drainage pipelines positioned on two sides of the concrete layer (2), wherein the surface of the water-permeable asphalt layer (1) is arched, and two arch feet are respectively communicated with the two drainage pipelines; a plurality of flow guide cavities are formed in the concrete layer (2), a plurality of I-shaped steel (3) are arranged in the flow guide cavities, a first flow guide plate (8) and a second flow guide plate (9) are arranged in two grooves of the I-shaped steel (3), the first flow guide plate (8) and the second flow guide plate (9) are of inverted V-shaped structures, and water absorbing materials (5) are filled in the two grooves; the concrete layer (2) is provided with a plurality of guardrail mounting posts (4) on two sides, the bottom of each guardrail mounting post (4) is provided with a mounting hole in an I-shaped structure, and the guardrail mounting posts (4) are respectively connected with the end parts of the corresponding I-shaped steel (3) through the mounting holes in a clamping mode.

2. The permeable asphalt pavement beyond the surface as claimed in claim 1, wherein: the porosity of the concrete layer (2) is greater than that of the pervious asphalt layer (1).

3. The permeable asphalt pavement beyond the surface as claimed in claim 2, wherein: the porosity of the concrete layer (2) is 26-30%, and the porosity of the pervious asphalt layer (1) is 18-20%.

4. The permeable asphalt pavement beyond the surface as claimed in claim 1, wherein: the guardrail mounting post (4) is provided with a placing groove (10), and glass beads are arranged in the placing groove (10).

5. The permeable asphalt pavement beyond the surface as claimed in claim 1, wherein: the drainage pipeline comprises a first pipe body (6) and a second pipe body (7) which are detachably connected, a concave groove is formed in the first pipe body (6), a plurality of first through holes communicated with the concave groove are formed in the first pipe body (6), and the first through holes are respectively communicated with corresponding flow guide cavities; the second pipe body (7) is provided with an arch-shaped groove which forms a circular groove with the concave groove, the second pipe body (7) is provided with a plurality of second through holes communicated with the arch-shaped groove, and the second through holes are communicated with the surface of the water-permeable asphalt layer (1).

6. The over-surface permeable asphalt pavement according to claim 5, characterized in that: the first pipe body (6) is provided with a bayonet, and the second pipe body (7) is abutted to the bayonet.

7. The over-surface permeable asphalt pavement according to claim 5, characterized in that: the water absorbing material (5) is one of carbon residue, water absorbing resin or foamed concrete.