Antiskid pavement structure containing aggregate

Abstract

The utility model relates to the technical field of pavements, in particular to an aggregate-containing anti-skid pavement structure, which comprises a substrate layer, a bonding layer, an anti-skid layer and a protective layer, aggregate is spread in the anti-skid layer to ensure anti-skid performance, a buffer layer is arranged between the anti-skid layer and the substrate layer to reduce direct transmission of external force to the substrate layer, so that the anti-skid performance is improved. The waterproof isolation layer is arranged between the buffer layer and the base layer to prevent water from permeating into the base layer and improve the durability of the road surface, the embedded reinforcing coating is laid on the surface of the anti-skid layer to improve the embedding effect, and the anti-skid road surface is anti-skid, longer in service life of the base layer, not prone to cracking and stripping and higher in load.

Description

TECHNICAL FIELD

[0001] The utility model relates to anti -skidding pavement technical field, specifically a kind of anti -skidding pavement structure containing aggregate. BACKGROUND

[0002] Anti -skidding pavement is aggregate to be scattered on surface to play the effect of road anti -skidding, but common anti -skidding pavement is not good in rainy day situation Anti -skidding effect, road structure is relatively simple, under relatively high load condition, it is easy to crack, and weather resistance is not good enough.

[0003] Therefore, it is necessary to design a kind of anti -skidding. CONTENT OF UTILITY MODEL

[0004] To solve the above problems, the utility model provides a kind of anti -skidding pavement structure containing aggregate, and the anti -skidding performance is good and can also ensure the anti -skidding performance in rainy day, is not easy to be eroded and crack by water, relatively better load, aggregate is more stable, and will not easily fall off.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of anti -skidding pavement structure containing aggregate, including base layer, adhesive layer, anti -skidding layer and protective layer, aggregate is scattered in the anti -skidding layer, to ensure anti -skidding performance, buffer layer is also provided between the anti -skidding layer and base layer, reduce the direct transmission of external force to base layer, prevent base layer cracking or peeling, waterproof isolation layer is provided between the buffer layer and the base layer, prevent water from penetrating into base layer, improve the durability of road surface, the surface of the anti -skidding layer is paved with a layer of embedded reinforcing coating.

[0007] Optionally, in the utility model one embodiment, the embedded reinforcing coating is any one of roughened epoxy coating or emulsified asphalt, and the thickness of the embedded reinforcing layer is 3mm-5mm.

[0008] Optionally, in the utility model one embodiment, the waterproof isolation layer is any one of epoxy resin coating or polyester film.

[0009] Optionally, in the utility model one embodiment, the adhesive layer is composite adhesive layer.

[0010] Optionally, in the utility model one embodiment, grid layer is also provided between the adhesive layer and waterproof isolation layer.

[0011] Optionally, in the utility model one embodiment, the compressive strength of the base layer is ≥40MPa, the compaction degree is ≥95%, and the thickness is 15cm-30cm.

[0012] Optionally, in an embodiment of the present application, the particle size of the aggregate is 1mm-6mm, and the thickness of the aggregate spreading is 3mm-5mm.

[0013] Optionally, in an embodiment of the present application, the thickness of the protective layer is 0.5mm-1mm.

[0014] Optionally, in an embodiment of the present application, the exposed proportion of the aggregate is 30%-50%.

[0015] Advantages of the present application

[0016] The anti-skid pavement structure containing aggregate of the present application is internally provided with a waterproof isolation layer, which can prevent water from entering the base layer and affecting the overall structural stability, and is also provided with a grid layer, which enhances the crack resistance, disperses stress, improves the overall structural stability, and the anti-skid layer is also provided with an embedded reinforcing layer, which fills the gaps between the aggregates, enhances the overall performance and durability of the anti-skid layer, and the setting of the protective layer improves the weather resistance and wear resistance of the protective layer and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0018] Figure 1 FIG. 1 is a schematic diagram of the anti-skid pavement cross-sectional structure of the present application;

[0019] Legend: base layer 1, bonding layer 2, anti-skid layer 3, protective layer 4, grid layer 5, waterproof isolation layer 6, embedded reinforcing layer 7. DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined utility model purposes, the following will describe the specific embodiments, structures, features and effects of the present application in detail with reference to the drawings and preferred embodiments. Embodiment 1

[0021] In order to improve the service life of the anti-skid pavement, an anti-skid pavement structure containing aggregate is designed, and the specific scheme is as follows:

[0022] For example Figure 1As shown, a kind of anti-skid pavement structure containing aggregate includes base layer 1, adhesive layer 2, anti-skid layer 3 and protective layer 4, aggregate is scattered in anti-skid layer 3, to ensure anti-skid performance, buffer layer is further provided between anti-skid layer 3 and base layer 1, to reduce the direct transmission of external force to base layer 1, prevent base layer 1 from cracking or peeling, waterproof isolation layer 6 is provided between buffer layer and base layer 1, to prevent moisture from penetrating into base layer 1, improve the durability of pavement, a layer of embedded reinforcing coating is laid on the surface of anti-skid layer 3.

[0023] Base layer 1 can select concrete base or asphalt base, the strength grade of concrete base needs to be ≥C40, compressive strength ≥40MPa, water-cement ratio ≤0.45, surface needs to be treated with roughening or grooving, to enhance the bonding performance, the porosity of asphalt base is 3%-5%, compactness ≥95%.

[0024] Embedded reinforcing coating is any one of roughened epoxy coating or emulsified asphalt, the thickness of embedded reinforcing layer 7 is 3mm-5mm.

[0025] Waterproof isolation layer 6 is any one of epoxy resin coating or polyester film, when coating is selected, the impermeability grade of coating is ≥S6, ductility ≥100%, the thickness of coating is 0.5-1mm, when film is selected, the thickness of film is ≥1.5mm, tensile strength ≥25MPa, film edge lap ≥10cm.

[0026] Adhesive layer 2 is composite adhesive layer 2, composite adhesive layer 2 can use the combination of epoxy resin and modified asphalt, has both toughness and strength, polyurethane and high molecular additive combination can also be used, can have better elasticity and crack resistance, in the embodiment, composite adhesive layer 2 is made of epoxy resin and modified asphalt, to ensure the service life of pavement.

[0027] Grid layer 5 is further provided between adhesive layer 2 and waterproof isolation layer 6, grid layer 5 can be applicable to steel wire mesh, glass fiber mesh or plastic mesh, when steel wire mesh is used for grid layer 5, the mesh size of steel wire mesh is 2mm-5mm, the diameter of steel bar is ≥4mm, and is subjected to rust-proof treatment, when glass fiber mesh is used for grid layer 5, glass fiber mesh is made of alkali-resistant glass fiber cloth, density ≥120g / m², tensile strength ≥50MPa, when plastic mesh is used for grid layer 5, plastic mesh is made of high-density polypropylene, thickness ≥1.5mm, in the embodiment, glass fiber mesh is used as grid layer 5.

[0028] The compressive strength of base layer 1 is ≥40MPa, compactness ≥95%, the thickness is 15cm-30cm.

[0029] The particle size of the aggregate is 1mm-6mm, the thickness of the aggregate scattering is 3mm-5mm, the aggregate can use basalt, ceramsite or corundum, when the basalt is selected, the particle size of the basalt is selected to be 2mm-5mm, the wear value is less than or equal to 25%, the corundum is selected to have a particle size of 1mm-3mm, the compressive strength is greater than or equal to 200MPa, the particle size of the ceramsite selected is 2mm-6mm, the density is less than or equal to 2.5g / cm3, and in the embodiment, the aggregate uses the basalt for scattering.

[0030] The thickness of the protective layer 4 is 0.5mm-1mm, the protective layer 4 is closed to the surface, prevents the aggregate from falling off and moisture from entering, improves the durability and weather resistance, and in the embodiment, the protective layer 4 is coated with a polyurethane coating.

[0031] The exposed proportion of the aggregate is 30%-50%, the higher the exposed proportion, the better the anti-skid performance can be provided under different weather conditions.

[0032] The anti-skid pavement structure of the scheme can more firmly connect the base and the aggregate by using the composite bonding layer 2, prevent delamination and cracking, and effectively disperse the load by using the multilayer structure, reduce the structure fatigue, and still provide good anti-skid performance under rainy conditions. Embodiment 2

[0033] In the embodiment, the anti-skid pavement structure is basically the same as the anti-skid pavement structure of the embodiment 1, the difference lies in that the grid layer 5 is cancelled, the bonding layer 2 is solidified by using a common adhesive, the pavement construction cost is reduced, and the anti-skid pavement structure can be used for some small load road sections, such as community roads.

[0034] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0035] The above are only the preferred embodiments of the present application, and are not intended to limit the present application in any form, although the present application has been disclosed as above with the preferred embodiments, however, it is not intended to limit the present application, any person skilled in the art, without departing from the technical scheme of the present application, can make some changes or modifications to the above disclosed technical content as equivalent embodiments, but as long as it does not depart from the technical scheme of the present application, according to the technical essence of the present application, any modification, equivalent change and modification of the above embodiments are still within the scope of the technical scheme of the present application.

Claims

1. A skid-resistant pavement structure containing aggregate, characterized in that, The application relates to a pavement structure, which comprises a base layer, a bonding layer, an anti-skid layer and a protective layer, wherein the anti-skid layer is provided with aggregates to ensure the anti-skid performance, a buffer layer is arranged between the anti-skid layer and the base layer to reduce the direct transmission of external force to the base layer, prevent the base layer from cracking or peeling, a waterproof isolation layer is arranged between the buffer layer and the base layer to prevent moisture from penetrating into the base layer and improve the durability of the pavement, and a embedded reinforcing coating is arranged on the surface of the anti-skid layer.

2. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: The embedded reinforcing coating is any one of a roughened epoxy coating or emulsified asphalt, and the thickness of the embedded reinforcing coating is 3-5 mm.

3. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: The waterproof isolation layer is any one of an epoxy resin coating or a polyester film.

4. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: The bonding layer is a composite bonding layer.

5. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: A mesh layer is further arranged between the bonding layer and the waterproof isolation layer.

6. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: The base layer has a compressive strength of greater than or equal to 40 MPa, a compaction degree of greater than or equal to 95%, and a thickness of 15-30 cm.

7. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: The particle size of the aggregates is 1-6 mm, and the thickness of the aggregate scattering is 3-5 mm.

8. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: The thickness of the protective layer is 0.5-1 mm.

9. A skid-resistant pavement structure containing aggregate according to claim 1, characterized in that: The exposed proportion of the aggregates is 30-50%.

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