CN218561979U

CN218561979U - Steel slag pavement with good hydrophobicity

Info

Publication number: CN218561979U
Application number: CN202222878268.8U
Authority: CN
Inventors: 周栋; 崔恩宁; 王衍旭
Original assignee: Rizhao Traffic Planning And Design Institute Co ltd
Current assignee: Rizhao Traffic Planning And Design Institute Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-03
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a slag road surface that hydrophobicity is good, including the bed course, the subbase has been laid to the bed course upper surface, the basic unit has been laid to the subbase upper surface, the surface course has been laid to the basic unit upper surface, the surface course is including being located the lower surface course on basic unit surface, the well surface course of water permeability has been laid to the lower surface course surface, the superficial layer has been laid to well surface course surface equidistance, the good semicircle pipe of a plurality of water permeability has been laid to basic unit surface equidistance. The utility model discloses in, set up bed course, underlayment, basic unit and surface course, the surface course includes lower surface course, well surface course and superficial layer, below the inside a plurality of semicircle pipings that inlay of surface course, the semicircle pipings form for the water permeability concrete precast, the superficial layer is 4cm asphalt concrete, after road surface water sees through the superficial layer, can permeate fast in the surface course down, form hydrophobic passageway between semicircle pipings and the basic unit, water can flow to roadside both sides in hydrophobic passageway for this slag road surface has better hydrophobicity.

Description

Steel slag pavement with good hydrophobicity

Technical Field

The utility model relates to a road surface engineering technical field especially relates to a slag road surface that hydrophobicity is good.

Background

In recent years, a great deal of research on the application of the steel slag to the asphalt concrete pavement is carried out domestically, and a plurality of test roads are laid to verify the long-term pavement performance of the steel slag asphalt concrete pavement, and the verification result shows that the application of the steel slag to the asphalt mixture instead of partial or all natural granules is feasible, and the steel slag is used for replacing the original natural granules, so that the environmental damage can be avoided, the utilization rate of the steel slag is greatly improved, and the waste is changed into valuable.

Because the porosity and the aperture of slag concrete all are less than the benchmark concrete, consequently the hydrophobicity on slag road surface is relatively poor, and this kind of impervious road surface of slag can make the difficult discharge of moisture in the surface course, causes the basic unit to appear the water damage to make the surface course appear the crack, consequently the utility model provides a slag road surface that hydrophobicity is good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a steel slag pavement with good hydrophobicity.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a good slag road surface of hydrophobicity, includes the bed course, the subbase has been laid to the bed course upper surface, the basic unit has been laid to the subbase upper surface, the surface course has been laid to the basic unit upper surface, the surface course is including being located the lower surface course on basic unit surface, the well surface course that the water permeability is good has been laid to the lower surface course surface, the superficial layer has been laid to well surface course surface equidistance, a plurality of semicircle pipes have been laid to the basic unit surface equidistance, and inside a plurality of semicircle pipes inlayed and locate the lower surface course, it is a plurality of form hydrophobic passageway between semicircle pipe and the basic unit.

Further, the bed course forms for rubble gravel material is laid, and the thickness of bed course needs to be greater than 15cm, can form good support.

Furthermore, the subbase layer is made of stable gravel concrete, the thickness of the subbase layer is 15-20cm, and a steel mesh structure can be laid on the surface of the cushion layer before the subbase layer is laid, so that the supporting strength is increased.

Further, basic unit and lower surface course are slag concrete material, the thickness of surface course is the same with the height of semicircle pipe down, and the semicircle pipe top contacts with well surface course for inside water can permeate through semicircle pipe top entering hydrophobic channel fast, played good hydrophobic effect.

Furthermore, the plurality of semicircular tubes are formed by precast permeable concrete, the distance between every two adjacent semicircular tubes is 10-20cm, and the semicircular tubes can have good water permeability and are convenient for drainage of a road surface.

Furthermore, the middle surface layer is a water-permeable concrete material which is formed by mixing broken stones, pebbles, gravels, coarse sand and cement, and is added with a concrete reinforcing agent, so that the strength is ensured, and meanwhile, the water-permeable concrete material has good water permeability.

Furthermore, the surface layer is made of asphalt concrete, the thickness of the asphalt concrete is 4cm, and water on the pavement can quickly permeate into the lower surface layer after permeating through the surface layer.

The utility model has the advantages that:

the utility model discloses when using, through setting up the bed course, the underlayment, basic unit and surface course, the surface course includes the surface course down, well surface course and superficial layer, the inside of following surface course inlays and is equipped with a plurality of semicircle pipes, the semicircle pipe is formed for the water permeability concrete is precast, the superficial layer is 4cm asphalt concrete, after road surface water sees through the superficial layer, can permeate fast in the surface course down, form hydrophobic channel between semicircle pipe and the basic unit, water can flow to roadside both sides in hydrophobic channel, make this slag road surface have better hydrophobicity.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

fig. 2 is a perspective view of a semicircular tube according to the present invention.

Illustration of the drawings:

1. a cushion layer; 21. an underlayer; 22. a base layer; 3. a surface layer; 31. a lower layer; 32. a middle layer; 33. a surface layer; 4. a semicircular tube.

Detailed Description

As shown in fig. 1 and fig. 2, the steel slag pavement with good hydrophobicity comprises a cushion layer 1, a subbase layer 21 is laid on the upper surface of the cushion layer 1, a base layer 22 is laid on the upper surface of the subbase layer 21, a surface layer 3 is laid on the upper surface of the base layer 22, the surface layer 3 comprises a lower surface layer 31 positioned on the surface of the base layer 22, a middle surface layer 32 with good water permeability is laid on the surface of the lower surface layer 31, a surface layer 33 is laid on the surface of the middle surface layer 32, a plurality of semicircular tubes 4 with good water permeability are laid on the surface of the base layer 22 at equal intervals, the plurality of semicircular tubes 4 are embedded inside the lower surface layer 31, and a hydrophobic channel is formed between the plurality of semicircular tubes 4 and the base layer 22.

As shown in fig. 1, the cushion layer 1 is formed by paving gravel materials, and the thickness of the cushion layer 1 needs to be more than 15cm. The subbase 21 is made of stable gravel concrete, the thickness of the subbase 21 is 15-20cm, and a steel mesh structure can be laid on the surface of the cushion layer 1 before the subbase 21 is laid, so that the supporting strength is increased.

As shown in FIG. 1, the base layer 22 and the lower layer 31 are both made of steel slag concrete material, the thickness of the lower layer 31 is the same as the height of the semicircular tubes 4, and the top ends of the semicircular tubes 4 are in contact with the middle layer 32. The semi-circular tubes 4 are formed by pre-pouring water-permeable concrete, the distance between every two adjacent semi-circular tubes 4 is 10-20cm, the semi-circular tubes 4 have good water permeability, and water can continuously penetrate through the semi-circular tubes 4 to enter the drainage channels after penetrating through the middle surface layer 32, so that the pavement has good drainage performance.

As shown in fig. 1, the middle surface layer 32 is a water permeable concrete material made of a mixture of crushed stone, pebble, gravel, coarse sand and cement, and is added with a concrete reinforcing agent, thereby ensuring strength and having good water permeability.

As shown in fig. 1, the surface layer 33 is asphalt concrete, and in this embodiment, the thickness of the asphalt concrete of the surface layer 33 is 4cm, and the water of the road surface can penetrate through the surface layer 33 quickly in the lower layer 31.

The working principle is as follows: firstly, gravel materials are used for paving a cushion layer 1, then steel meshes are paved on the surface of the cushion layer 1, then a bottom layer 21 is poured on the surface of the cushion layer 1 by using gravel concrete materials, a base layer 22 is poured on the surface of the bottom layer 21 by using slag concrete mixed materials after the bottom layer 21 is hardened, semi-circular pipes 4 are paved on the surface of the base layer 22 at equal intervals after the base layer 22 is hardened, then a lower surface layer 31 is continuously paved on the surface of the base layer 22 by using the slag concrete mixed materials, the lower surface layer 31 just covers the semi-circular pipes 4, then a middle surface layer 32 is paved on the surface of the lower surface layer 31 by using water-permeable concrete materials, and finally asphalt concrete is paved on the surface of the middle surface layer 32 to form a surface layer 33. In rainy days, water passes through the surface layer 33 and the middle layer 32 and then continues to pass through the semicircular tubes 4 to enter the interior of the hydrophobic channel and flow towards the two sides of the pavement, so that the pavement has good hydrophobicity.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A steel slag pavement with good hydrophobicity is characterized in that: including bed course (1), bed course (1) upper surface has laid subbase (21), basic unit (22) have been laid to subbase (21) upper surface, surface course (3) have been laid to basic unit (22) upper surface, surface course (3) are including following layer (31) that are located basic unit (22) surface, well surface course (32) that the water permeability is good are laid to surface course (31) surface down, surface course (33) have been laid on surface course (32), the semicircle pipe (4) that a plurality of water permeability are good are laid to basic unit (22) surface equidistance, and inside a plurality of semicircle pipe (4) inlay locate subbase (31) down, a plurality of form hydrophobic passageway between semicircle pipe (4) and basic unit (22).

2. The steel slag pavement with good hydrophobicity according to claim 1, which is characterized in that: the cushion layer (1) is formed by paving broken stone and gravel materials.

3. The steel slag pavement with good hydrophobicity according to claim 1, which is characterized in that: the subbase layer (21) is made of stable gravel concrete materials.

4. The steel slag pavement with good hydrophobicity according to claim 1, which is characterized in that: the base layer (22) and the lower surface layer (31) are both made of steel slag concrete materials, the thickness of the lower surface layer (31) is the same as the height of the semicircular pipe (4), and the top end of the semicircular pipe (4) is in contact with the middle surface layer (32).

5. The steel slag pavement with good hydrophobicity according to claim 1, which is characterized in that: the semi-circular tubes (4) are formed by pre-pouring water-permeable concrete, and the distance between every two adjacent semi-circular tubes (4) is 10-20cm.

6. The steel slag pavement with good hydrophobicity according to claim 1, which is characterized in that: the middle surface layer (32) is made of a water-permeable concrete material.

7. The steel slag pavement with good hydrophobicity according to claim 1, which is characterized in that: the surface layer (33) is asphalt concrete.