CN214401256U

CN214401256U - Noise-reduction water-permeable concrete pavement structure

Info

Publication number: CN214401256U
Application number: CN202022593604.5U
Authority: CN
Inventors: 江卫平
Original assignee: Jiangsu Yunjin New Material Technology Co ltd
Current assignee: Jiangsu Yunjin New Material Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-10-15
Anticipated expiration: 2030-11-11

Abstract

The utility model provides a ventilative concrete pavement structure of making an uproar falls, include: the pavement structure sequentially comprises a first pervious asphalt concrete layer, a second pervious asphalt concrete layer, a thin slurry seal and a base layer from top to bottom, wherein the pores of the first pervious asphalt concrete are smaller than those of the second pervious asphalt concrete, the density of the first pervious asphalt concrete is greater than that of the second pervious asphalt concrete, an S-shaped channel is arranged between the second pervious asphalt concrete layer and the thin slurry seal, a blind ditch pipe is arranged in the channel, the first pervious asphalt concrete layer comprises an asphalt mixture and a modifier, the content of the modifier is 0.6-0.8% of the quality of the asphalt mixture, the thickness of the first pervious asphalt concrete layer is 4cm, the thickness of the second pervious asphalt concrete layer is 6cm, and the thickness of the thin slurry seal is 1 cm. The noise can be effectively reduced, the water mist is reduced, and the environment is protected, and the traffic safety is facilitated.

Description

Noise-reduction water-permeable concrete pavement structure

Technical Field

The utility model relates to a road engineering field, concretely relates to ventilative concrete pavement structure of making an uproar falls.

Background

The traditional common asphalt pavement has the problems of poor temperature stability, low pavement strength, easy generation of tracks and the like, and the high-quality asphalt materials required for constructing the asphalt pavement in China are relatively short and high in price, so that the large-scale pavement of the high-grade asphalt pavement is influenced. The cement resources of China are very rich, the continuous production and the use amount for many years are at the top of the world, and the cement with various purposes and types can be produced in large quantity, so that the cost of the common cement concrete pavement is much lower than that of an asphalt pavement, and the cement pavement has high strength and good durability, therefore, most of the pavements in China are cement concrete pavements. Although ordinary cement concrete pavements have certain advantages, the defects of serious water damage, difficult repair, easy urban waterlogging and the like seriously affect the wide application of the ordinary cement concrete pavements in municipal roads. In recent years, urban inland inundation disasters occur frequently, great inconvenience is brought to the lives of vast citizens, and the concept of sponge city is brought forward to cope with the increasingly frequent urban inland inundation disasters.

The urban road is an important ring for urban drainage, and how to effectively improve the drainage capacity of the road and enable the urban road to quickly drain accumulated water on the road surface, so that rainwater falling on the road can maximally permeate into the ground on the spot to reduce centralized drainage is a problem which is urgently needed to be solved at present, and a novel road surface structure is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a ventilative concrete pavement structure of making an uproar falls.

The utility model discloses a realize through following technical scheme: a noise-reducing water-permeable concrete pavement structure, comprising: the pavement structure sequentially comprises a first permeable asphalt concrete layer, a second permeable asphalt concrete layer, a slurry seal and a base layer from top to bottom, the first pervious asphalt concrete pore space is smaller than the second pervious asphalt concrete, the density of the first pervious asphalt concrete is greater than that of the second pervious asphalt concrete, an S-shaped channel is arranged between the second pervious asphalt concrete layer and the slurry seal layer, a blind ditch pipe is arranged in the channel, one side of the blind ditch pipe extends out of the base layer and is connected with a wastewater collecting device, the first water-permeable asphalt concrete layer comprises an asphalt mixture and a modifier, the content of the modifier is 0.6-0.8% of the mass of the asphalt mixture, the thickness of the first pervious asphalt concrete layer is 4cm, the thickness of the second pervious asphalt concrete layer is 6cm, and the thickness of the slurry seal layer is 1 cm.

Further, the surface of the blind ditch pipe is wrapped with anti-filtration geotextile.

Further, the Marshall stability of the first pervious asphalt concrete layer is not less than 5.

Further, the kentucky scattering loss of the first permeable asphalt concrete layer is less than 15%.

The utility model has the advantages that: the porous drainage asphalt pavement has the main advantages that the wet weather condition and the anti-slip capability of a vehicle during running are improved, and the anti-slip capability in rainy days is better than that of a compact asphalt concrete surface layer; the potential safety hazard of driving in rainy days is eliminated.

Drawings

Fig. 1 is a front view structure schematic diagram of a noise reduction water-permeable concrete pavement structure of the embodiment of the present invention.

In the figure: 1. the device comprises a first pervious asphalt concrete layer, a second pervious asphalt concrete layer, a slurry seal layer, a base layer, a channel, a plain soil layer and a waste water collecting device, wherein the first pervious asphalt concrete layer is 2, the second pervious asphalt concrete layer is 3, the slurry seal layer is 4, the base layer is 5, the channel is 6, and the plain soil layer is 7.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

When describing the utility model discloses specific embodiment, define the visual angle of figure 1 as the utility model discloses a main view structure schematic diagram of type concrete pavement structure that makes an uproar falls. In the description of the embodiments of the present invention, it should be understood that the terms "vertical", "horizontal", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of the description of the embodiments of the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the embodiments of the present invention. In the description of the embodiments of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art through specific situations. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of illustrating embodiments of the present invention and are not to be construed as limiting the embodiments of the present invention.

Referring to fig. 1, the utility model discloses a see-through concrete pavement structure that makes an uproar falls, includes: the pavement structure sequentially comprises a first permeable asphalt concrete layer 1, a second permeable asphalt concrete layer 2, a slurry seal 3 and a base layer 4 from top to bottom, wherein the pore of the first permeable asphalt concrete is smaller than that of the second permeable asphalt concrete, the density of the first permeable asphalt concrete is greater than that of the second permeable asphalt concrete, an S-shaped channel 5 is arranged between the second permeable asphalt concrete layer 2 and the slurry seal 3, one side of the blind channel pipe extends out of the base layer 4 and is connected with a wastewater collecting device 7, a blind channel pipe is arranged in the channel 5, the first permeable asphalt concrete layer 1 comprises an asphalt mixture and a modifier, the content of the modifier is 0.6-0.8% of the mass of the asphalt mixture, the thickness of the first permeable asphalt concrete layer 1 is 4cm, the thickness of the second permeable asphalt concrete layer 2 is 6cm, the thickness of the slurry seal layer 3 is 1 cm. Preferably the utility model discloses a S type passageway 5, more current orthoscopic pipeline, increased with asphalt concrete layer' S area of contact, improve infiltration efficiency.

Further, the marshall stability of the first water-permeable asphalt concrete layer 1 is not less than 5.

Further, the kentucky scattering loss of the first water-permeable asphalt concrete layer 1 is less than 15%.

The first pervious asphalt concrete layer 1 is 4cm, the second pervious asphalt concrete layer 2 is 6cm, the slurry seal layer 3 is a water sealing layer, the slurry seal layer 3 is 1cm, the lowest part is tamped by the plain soil, and the compactness is more than 93%.

The specific implementation mode is that the first pervious asphalt concrete layer 1 is produced by adopting red pervious asphalt concrete and red drainage asphalt concrete materials, and a mixing plant purchases a decolored cementing material and a red toner sample which meet the index of No. 70 asphalt; then, carrying out mixing proportion verification work on the cementing material sample and raw material samples such as red toner, stone, mineral powder and the like; after the batch mixture ratio verification in the laboratory is finished, preparing materials according to the mixture ratio, performing on-machine trial production, and determining the batch mixture ratio of the on-machine production; finally, mixing materials formally and paving on site.

The first sleeping asphalt concrete layer is OGFC red pervious asphalt concrete, a direct-throwing high-viscosity modifier RST special for a pervious pavement is adopted, and the mixing amount is 0.6-0.8% of the mass of the asphalt mixture; OGFC porous asphalt layer porosity: 18-25% and the communication porosity is more than or equal to 14%; the Marshall stability is more than or equal to 5; kentucky scatter loss < 15%; the dynamic stability (60 ℃) is more than or equal to 3000 times/mm; the freeze-thaw splitting strength ratio is more than or equal to 85 percent; the permeability coefficient is more than or equal to 800ml/15 seconds. In addition, other raw materials (such as stone, asphalt and other conventional materials) should meet the specification of technical Specifications for constructing asphalt road surfaces for highways, JTG F40-2004.

The embodiment of the utility model provides a can effectual noise reduction, reduce water smoke, existing environmental protection that is favorable to, more do benefit to traffic safety, adopt porous permeable pavement to ensure that ponding can not appear in the road, no matter be the pedestrian or the driving will be more pleasing to the eye comfortable, improve the cling compound ability, porous drainage bituminous pavement's main advantage lies in improving the cling compound ability when humid climatic condition and vehicle travel, its cling compound ability is better than closely knit asphalt concrete surface course and reduces the water smoke that the driving arouses in rainy day, on moist road, especially the driving has been known for a long time by the harm that the water smoke that the tire splashes up and flies upward brought, water smoke hinders the sight, make the overtaking become very dangerous very much. The porous asphalt pavement can reduce the water fog phenomenon caused by traffic to a great extent; the light reflection of the road is reduced, the safe driving of the vehicle is influenced by the reflection of light of the common asphalt concrete pavement at night, the diffuse reflection is easy to form on the porous drainage noise-reduction asphalt pavement due to the rough surface, the sunlight dazzling can be prevented in the daytime, the dazzling of opposite vehicle lamps can be relieved at night, and the potential safety hazard of driving is eliminated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a type of making an uproar permeable concrete pavement structure falls which characterized in that includes: the pavement structure includes first bituminous concrete layer, the second bituminous concrete layer, the thin paste seal of permeating water, basic unit from top to bottom in proper order of permeating water, first bituminous concrete hole of permeating water is less than the second bituminous concrete that permeates water, first bituminous concrete density of permeating water is greater than the second bituminous concrete that permeates water, the second bituminous concrete layer that permeates water with set up S type passageway between the thin paste seal, set up blind ditch pipe in the passageway, stretch out one side of blind ditch pipe the basic unit connects a waste water collection device, the thickness on first bituminous concrete layer that permeates water is 4cm, the second bituminous concrete layer thickness of permeating water is 6cm, thin paste seal thickness is 1 cm.

2. The noise-reducing water-permeable concrete pavement structure according to claim 1, wherein the blind trench pipe is coated with an anti-filter geotextile.

3. A noise-reducing water-permeable concrete pavement structure according to claim 1, wherein the marshall stability of the first water-permeable asphalt concrete layer is not less than 5.

4. A noise-reducing water-permeable concrete pavement structure according to claim 1, wherein the kentucky scattering loss of the first water-permeable asphalt concrete layer is less than 15%.