CN217758157U - Energy-saving road surface layer structure - Google Patents

Abstract

The utility model discloses an energy-saving road surface layer structure belongs to the civil engineering field, has solved the problem that traditional road is many, the energy consumption is big to lighting system demand. The utility model discloses a stress absorbing layer, the continuous set that set gradually from bottom to top join in marriage rubber modified asphalt mixed material layer, pitch tie coat, the continuous set of cement rubber modified asphalt mixed material layer, synchronous rubble luminescent layer and transparent top facing inoxidizing coating. The synchronous broken stone luminescent layer is provided with a self-luminous source and can replace part or all of street lamps, so that a brighter sight environment is provided for a user; the utility model discloses reducible lighting system's use, energy-conserving effect is obvious, is a road surface layer structure of being worth using widely.

Description

Energy-saving road surface layer structure

Technical Field

The utility model belongs to the civil engineering field, concretely relates to energy-saving road surface layer structure.

Background

For realizing the aim of 'double carbon', energy conservation and emission reduction become important in various industries. The number of urban roads in China is large, the mileage is long, the length of rural road lines is wide, the cost for installing the street lamps is high, the energy consumption is high, and the energy-saving road surface layer structure is provided for reducing the energy consumption.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving road surface layer structure to solve traditional road and to the problem that lighting system demand is many, the energy consumption is big.

The technical scheme of the utility model is that: an energy-saving road surface layer structure comprises a base layer, a synchronous broken stone luminous layer and a transparent surface protective layer which are sequentially arranged from bottom to top.

As a further improvement, the base layer comprises a stress absorbing layer, a continuous aggregate rubber modified asphalt mixture layer, an asphalt bonding layer and a continuous aggregate cement rubber modified asphalt mixture layer which are sequentially arranged from bottom to top.

As a further improvement of the utility model, the thickness of the stress absorbing layer is 0.8 cm-1 cm.

As a further improvement of the utility model, the thickness of the rubber modified asphalt mixture layer is continuously and intensively mixed to be 4 cm-6 cm.

As a further improvement of the utility model, the dosage of the asphalt bonding layer is 0.6L per square meter to 0.8L per square meter.

As a further improvement of the utility model, the thickness of the cement rubber modified asphalt mixture layer is continuously collected to be 4 cm-6 cm.

As a further improvement of the utility model, the thickness of the synchronous macadam luminescent layer is 0.8 cm-1 cm.

As a further improvement of the utility model, the transparent top facing protective layer is made of polyurethane.

As a further improvement of the utility model, the spraying amount of the transparent top-coat protective layer is 1.0-2.0 kg/square meter.

The beneficial effects of the utility model are that: the stress absorbing layer can prevent cracks of the soil foundation and the base layer from being reflected to the surface layer. The high-viscosity asphalt bonding layer has good high-temperature stability and high bonding property, and can tightly bond the asphalt surface layers together to form an integral structure. The rubber modified asphalt mixture layer (TRHMA-20) and the cement rubber modified asphalt mixture layer (TRHMA-13) which are continuously distributed in a concentrated manner have few structural gaps, high bearing capacity, cracking resistance and good waterproof capacity, are greatly improved compared with the traditional asphalt pavement, and meanwhile, the thickness of the structural layer of the pavement is reduced, the service life of the pavement is greatly prolonged, and the maintenance period is greatly prolonged. The synchronous broken stone luminescent layer is provided with a self-luminous source and can replace part or all of street lamps, thereby providing a brighter sight environment for users. The transparent cover protective layer prevents the synchronous macadam luminescent layer from being damaged and polluted, and the service life of the synchronous macadam luminescent layer is prolonged. The utility model discloses reducible lighting system's use, energy-conserving effect is obvious, is a road surface layer structure of being worth using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-a stress absorbing layer; 2-continuously preparing a rubber modified asphalt mixture layer in a gathering way; 3-an asphalt bond coat; 4-continuously preparing a cement rubber modified asphalt mixture layer in a centralized manner; 5-synchronous macadam luminescent layer; 6-protective layer of transparent cover.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in figure 1, the energy-saving road surface layer structure comprises a base layer, a synchronous crushed stone luminous layer 5 and a transparent surface protective layer 6 which are arranged in sequence from bottom to top. The base layer comprises a stress absorption layer 1, a continuous concentrated rubber modified asphalt mixture layer 2, an asphalt bonding layer 3 and a continuous concentrated cement rubber modified asphalt mixture layer 4 which are sequentially arranged from bottom to top.

The thickness of the stress absorbing layer 1 is 0.8 cm-1 cm.

The thickness of the rubber modified asphalt mixture layer 2 which is continuously prepared in a gathering way is 4 cm-6 cm.

The dosage of the asphalt bonding layer 3 is 0.6L per square meter to 0.8L per square meter.

The thickness of the cement rubber modified asphalt mixture layer 4 which is continuously prepared in a gathering way is 4 cm-6 cm.

The thickness of the synchronous macadam luminescent layer 5 is 0.8 cm-1 cm.

The transparent cover surface protective layer 6 is made of a polypropylene polyurethane material. The spreading amount of the protective layers 6 of the transparent cover surfaces is 1.0 to 2.0kg per square meter.

And after the permeable layer oil is sprayed on the top surface of the road base, a stress absorption layer 1 is paved, and the stress absorption layer is composed of rubber modified asphalt and macadam. Stress absorbing layer 1 plays the effect that prevents soil matrix, basic unit crack reflection to surface course at basic unit top surface, has good high temperature stability, has greatly reduced the influence to road surface layer structure.

The rubber modified asphalt mixture layer 2 is continuously prepared and gathered as the lower surface layer of the asphalt surface layer, the material is continuously prepared and gathered rubber modified asphalt mixture TRHMA-20, the maximum grain size of the aggregate is less than or equal to 26.5mm, the minimum grain size is greater than or equal to 0.075mm, and a skeleton compact structure is formed by the rubber modified asphalt, the fiber stabilizer, the mineral powder, the coarse aggregate and the fine aggregate. The rubber modified asphalt mixture layer 2 prepared continuously and intensively has the advantages of excellent waterproof performance, water stability, durability, cracking resistance and the like.

The asphalt bonding layer 3 is used as a bonding layer of a lower surface layer and an upper surface layer of an asphalt pavement, the materials are formed by physically mixing rubber asphalt and a high-viscosity modifier, the viscosity of the asphalt bonding layer 3 at 60 ℃ is higher than 30000Pa.s, and the viscosity of the asphalt bonding layer at 135 ℃ is lower than 3Pa.s, wherein the rubber asphalt accounts for 92% -97%, and the high-viscosity modifier accounts for 3% -8%, and the asphalt bonding layer has the advantages of good high-temperature stability, high bonding property and the like, and can tightly bond all layers of the asphalt surface layer together to form a whole.

The continuous concentrated cement-rubber modified asphalt mixture layer 4 is used as an upper surface layer of an asphalt surface layer, and the material is prepared by adding cement into a continuous concentrated cement-rubber modified asphalt mixture TRHMA-13, wherein the cement content is 30% (volume ratio), the maximum particle size of aggregate is less than or equal to 13.2mm, and the minimum particle size is greater than or equal to 0.075mm. The cement-rubber modified asphalt mixture layer 4 is continuously integrated and prepared into a skeleton compact structure consisting of rubber modified asphalt, coarse aggregate, fine aggregate, fiber stabilizer, mineral powder and the like, and a cement grouting material with high fluidity is poured into gaps of the rubber modified asphalt mixture to form a composite pavement structure, so that the cement-rubber modified asphalt mixture has very good waterproof performance and water damage resistance, and has the advantages of high bearing capacity and cracking resistance, reduced pavement structure layer thickness, greatly prolonged pavement service life and the like.

The method comprises the steps of paving a synchronous broken stone light-emitting layer 5 on the top surface of a cement-rubber-modified-asphalt continuous-collection mixed material layer 4, wherein the synchronous broken stone light-emitting layer 5 is composed of rubber modified asphalt, natural inorganic fluorescent stones and broken stones, the particle size of the natural inorganic fluorescent stones and the broken stones is 4.75-7.1 mm, the ratio of the natural inorganic fluorescent stones to the broken stones is 2:1, the spreading amount of the natural inorganic fluorescent stones to the broken stones is 10.0-12.0 kg/square meter, and the spreading amount of the rubber modified asphalt is 0.8-1.1 kg/square meter. The natural inorganic fluorite is a natural stone, does not contain radioactive elements such as phosphorus, arsenic and the like, and is safe and environment-friendly; the anti-skid Dan Xiaoguo is presented in the daytime, visible light with the wavelength of 380-1100 nm and partial ultraviolet light are absorbed in the daytime, stored energy is released at night, and a starlight flickering light source can be presented. The natural inorganic fluorite is embedded in the surface of the continuously integrated cement rubber modified asphalt mixture layer 4, so that the asphalt mixture layer has good photo-thermal stability, deformation resistance, high bearing capacity and the like, and simultaneously has crack resistance, the service life of a pavement is greatly prolonged, and the self-luminous effect is greatly improved. The vehicle driver or the pedestrian can clearly judge the road position, improve the safety at night, and can greatly reduce the arrangement quantity of the street lamps or greatly reduce the power of the street lamps, thereby achieving the purpose of energy conservation.

The transparent cover surface protective layer 6 is a full transparent sealing layer made of a polypropylene polyurethane material, and can adopt spraying or rolling coating operation. The transparent cover surface protective layer 6 prevents the natural inorganic fluorite and the broken stone from falling or being polluted, has full transparency, does not influence day lighting energy storage and night self-luminescence of the natural inorganic fluorite, and has the advantages of high-temperature stability, skid resistance, wear resistance, good waterproofness, easy cleaning, oxidation resistance and the like.

Claims (9)

1. An energy-saving road surface layer structure which is characterized in that: comprises a base layer, a synchronous macadam luminous layer (5) and a transparent cover protective layer (6) which are arranged from bottom to top in sequence.

2. An energy efficient road deck structure as claimed in claim 1, wherein: the base layer comprises a stress absorption layer (1), a continuous centralized rubber modified asphalt mixture layer (2), an asphalt bonding layer (3) and a continuous centralized cement-rubber modified asphalt mixture layer (4) which are sequentially arranged from bottom to top.

3. The energy-saving road surface layer structure as claimed in claim 2, wherein: the thickness of the stress absorption layer (1) is 0.8 cm-1 cm.

4. An energy-saving road surface layer structure according to claim 2 or 3, characterized in that: the thickness of the continuous centralized rubber modified asphalt mixture layer (2) is 4-6 cm.

5. An energy efficient road deck structure as claimed in claim 4, wherein: the dosage of the asphalt bonding layer (3) is 0.6L per square meter to 0.8L per square meter.

6. An energy efficient road deck structure as claimed in claim 5, wherein: the thickness of the continuous aggregate cement rubber modified asphalt mixture layer (4) is 4-6 cm.

7. The energy-saving road surface layer structure as claimed in claim 6, wherein: the thickness of the synchronous macadam luminous layer (5) is 0.8 cm-1 cm.

8. An energy efficient road deck structure as claimed in claim 7, wherein: the transparent cover surface protective layer (6) is made of a polypropylene polyurethane material.

9. The energy-saving road surface layer structure as claimed in claim 8, wherein: the spraying amount of the transparent cover surface protective layer (6) is 1.0-2.0 kg per square meter.

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