Noise-reduction drainage type asphalt concrete pavement

Abstract

The utility model discloses a noise reduction and drainage type asphalt concrete pavement which comprises a surface layer, a base layer is arranged on the lower surface of the surface layer, a subbase layer is arranged on the lower surface of the base layer, a cushion layer is arranged on the lower surface of the subbase layer, and a reinforced concrete plate is arranged on the lower surface of the cushion layer. A flow guide plate is fixedly connected to the upper surface of the base layer, a mounting groove is formed in the upper surface of the surface layer, and a clamping groove is formed in the upper surface of the surface layer. According to the structure, through cooperation of the surface layer, the base layer, the flow guide plates, the mounting grooves, the clamping grooves, the water leakage plates, the mounting plates, the bolts, the water guide grooves and the water leakage holes, the surface layer can guide rainwater or make the rainwater permeate to the lower portion when it rains, and finally the rainwater is guided into the water guide grooves and discharged through the water leakage holes, so that the surface layer is good in drainage effect when it rains; rainwater is prevented from remaining on the upper portion to affect driving safety and travel experience, and gaps in the surface layer enable the whole automobile seat cushion to have a certain noise adsorption effect.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete pavements, and particularly relates to a noise-reducing and drainage asphalt concrete pavement. Background Art

[0002] With the rapid development of the economic society, people's demand for travel quality is constantly increasing, and traffic construction pays more attention to travel experience. An asphalt concrete pavement is a pavement with an asphalt concrete surface layer, which has the characteristics of durability, less water permeability and good flatness. It is made by mixing artificially selected mineral materials and asphalt materials under strict control conditions. Due to its superior pavement performance and wide applicability, the asphalt concrete pavement has become an important type of pavement in modern road construction. However, due to the relatively small voids in the asphalt material of the existing asphalt concrete pavement, its water seepage function is poor, and the drainage effect is not good when it rains, which may affect the overall driving safety and make the travel experience poor. Content of the Utility Model

[0003] According to the described noise-reducing and drainage asphalt concrete pavement, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a noise-reducing and drainage asphalt concrete pavement. Through the cooperation of the surface layer, the base layer, the diversion plate, the installation groove, the clamping groove, the water leakage plate, the installation plate, the bolt, the water diversion groove and the water leakage hole, when it rains, the surface layer can divert rainwater or make it penetrate downward, and finally the rainwater is diverted into the water diversion groove and discharged through the water leakage hole, so that the drainage effect of the surface layer is better when it rains, avoiding the retention of rainwater above and affecting driving safety and travel experience, and the voids on the surface layer make the whole have a certain noise absorption effect.

[0004] To achieve the above purpose, the utility model also provides the above-mentioned surface layer, which is the layer directly in contact with the driving vehicle and the atmosphere, and bears large vertical forces, horizontal forces and impact forces of the driving load. At the same time, it is also eroded by precipitation. The lower surface of the surface layer is provided with a base layer, which is a load-bearing layer mainly bearing the vertical force of the vehicle load and diffusing the stress transmitted from the surface layer downward. The lower surface of the base layer is provided with a sub-base layer, which together with the surface layer and the base layer bears the repeated action of the wheel load and plays a secondary load-bearing role. The lower surface of the sub-base layer is provided with a cushion layer to ensure the strength stability and frost resistance of the surface layer and the base layer, and diffuse the load stress transmitted from the base layer. The lower surface of the cushion layer is provided with a reinforced concrete slab to improve the overall flatness. The upper surface of the base layer is fixedly connected with a diversion plate to divert the rainwater seeping from the surface layer;

[0005] The upper surface of the surface layer is provided with a mounting groove and a clamping groove. The side inner wall of the mounting groove is movably connected with a water leakage plate, which can leak the rainwater flowing to both sides of the surface layer into the water guide groove. The side inner wall of the base layer is fixedly connected with steel bars, and the side surface of the base layer is fixedly connected with a water guide groove to centrally receive and make the rainwater flow. The upper surface of the water guide groove is provided with a groove, the side inner wall of the water guide groove is fixedly connected with a support steel plate, and the side surface of the water guide groove is provided with water leakage holes to drain the rainwater.

[0006] According to the described noise-reducing and drainage asphalt concrete pavement, the asphalt mixture used for the surface layer is OGFC material. This material forms a framework-void structure according to the interlocking mechanism with single-sized aggregates, and the porosity is usually between 15% and 25%. This structure not only helps to quickly drain rainwater and improve the anti-slip performance, but also can effectively reduce the noise generated when the vehicle is driving due to its internal porous structure. The material of the base layer is an asphalt-based base layer.

[0007] According to the described noise-reducing and drainage asphalt concrete pavement, the forming material of the subbase layer is gravel, and the material of the cushion layer is an anti-freezing layer material, which can effectively reduce the pavement cracking caused by low environmental temperature.

[0008] According to the described noise-reducing and drainage asphalt concrete pavement, the upper surface of the diversion plate is fixedly connected with the surface layer, and the side surface of the water leakage plate is fixedly connected with a mounting block.

[0009] According to the described noise-reducing and drainage asphalt concrete pavement, the lower surface of the mounting block is movably connected with the clamping groove, and the upper surface of the mounting block is threadedly connected with a bolt.

[0010] According to the described noise-reducing and drainage asphalt concrete pavement, the side surface of the bolt is threadedly connected with the surface layer, and the side surface of the steel bar is movably connected with the groove.

[0011] According to the described noise-reducing and drainage asphalt concrete pavement, the upper surface of the steel bar is fixedly connected with the surface layer, and the lower surface of the steel bar contacts the support steel plate.

[0012] According to the described noise-reducing and drainage asphalt concrete pavement, the number of the water leakage holes is multiple.

[0013] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0014] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0015] Figure 1 The front view of a noise-reducing and drainage asphalt concrete pavement of the present utility model;

[0016] Figure 2 The side view of a noise-reducing and drainage asphalt concrete pavement of the present utility model;

[0017] Figure 3 The exploded view of a partial structure of a noise-reducing and drainage asphalt concrete pavement of the present utility model;

[0018] Figure 4 is Figure 3 The enlarged schematic view of the structure at A in

[0019] Legend description:

[0020] 1. Surface layer; 2. Base course; 3. Sub-base course; 4. Bedding course; 5. Reinforced concrete slab; 6. Flow guide plate; 7. Installation groove; 8. Card slot; 9. Leakage plate; 10. Installation block; 11. Bolt; 12. Steel bar; 13. Water guide groove; 14. Groove; 15. Support steel plate; 16. Leakage hole. Specific implementation manners

[0021] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0022] Refer to Figures 1-4, an asphalt concrete pavement with noise reduction and drainage functions in an embodiment of the present utility model, which includes a surface layer 1, a layer directly in contact with traffic and the atmosphere, bearing large vertical, horizontal and impact forces of traffic loads, and being eroded by precipitation at the same time. A base layer 2 is provided on the lower surface of the surface layer 1. The asphalt mixture used for the surface layer 1 is an OGFC material. This material forms a skeleton-void structure according to the interlocking mechanism with single-sized gravel, and the porosity is usually between 15% and 25%. This structure not only helps to quickly drain rainwater and improve anti-skid performance, but also effectively reduces the noise generated when the vehicle is driving due to its internal porous structure. The material of the base layer 2 is an asphalt-based base layer. The base layer 2 is a load-bearing layer mainly bearing the vertical force of the vehicle load and diffusing the stress transmitted from the surface layer 1 downward. A sub-base layer 3 is provided on the lower surface of the base layer 2, which, together with the surface layer 1 and the base layer 2, bears the repeated action of the wheel load and plays a secondary load-bearing role. A cushion layer 4 is provided on the lower surface of the sub-base layer 3 to ensure the strength stability and frost resistance of the surface layer 1 and the base layer 2, and to diffuse the load stress transmitted from the base layer 2. The forming material of the sub-base layer 3 is gravel, and the material of the cushion layer 4 is an anti-freezing layer material, which can effectively reduce the cracking of the road surface caused by low environmental temperature. A reinforced concrete slab 5 is provided on the lower surface of the cushion layer 4 to improve the overall flatness. A diversion plate 6 is fixedly connected to the upper surface of the base layer 2 to divert the rainwater seeping from the surface layer 1.

[0023] An installation groove 7 is provided on the upper surface of the surface layer 1, and a clamping groove 8 is provided on the upper surface of the surface layer 1. A water leakage plate 9 is movably connected to the side inner wall of the installation groove 7. The upper surface of the diversion plate 6 is fixedly connected to the surface layer 1. An installation block 10 is fixedly connected to the side surface of the water leakage plate 9. The lower surface of the installation block 10 is movably connected to the clamping groove 8. A bolt 11 is threadedly connected to the upper surface of the installation block 10. The water leakage plate 9 can leak the rainwater flowing from both sides of the surface layer 1 into the water guide groove 13. A steel bar 12 is fixedly connected to the side inner wall of the base layer 2, and the steel bar 12 plays a supporting role for the surface layer 1. The side surface of the bolt 11 is threadedly connected to the surface layer 1. The side surface of the steel bar 12 is movably connected to the groove 14. A water guide groove 13 is fixedly connected to the side surface of the base layer 2 to centrally receive the rainwater and make it flow. A groove 14 is provided on the upper surface of the water guide groove 13. A support steel plate 15 is fixedly connected to the side inner wall of the water guide groove 13. A water leakage hole 16 is provided on the side surface of the water guide groove 13 to drain the rainwater. The upper surface of the steel bar 12 is fixedly connected to the surface layer 1, and the lower surface of the steel bar 12 contacts the support steel plate 15. The number of the water leakage holes 16 is multiple to improve the drainage efficiency.

[0024] Working principle: When it rains, the rainwater falls on the surface layer 1. Part of the water leaks from the water leakage plate 9 into the water guide groove 13 and can flow away under the action of the water leakage holes 16. Another part of the water penetrates from the surface layer 1 onto the diversion plate 6 and flows to both sides under the action of the diversion plate 6 until it flows into the water guide groove 13 and is discharged through the water leakage holes 16.

[0025] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A noise reduction and drainage asphalt concrete pavement, characterized in that: include: A surface layer (1), wherein a base layer (2) is arranged on the lower surface of the surface layer (1), a subbase layer (3) is arranged on the lower surface of the base layer (2), a cushion layer (4) is arranged on the lower surface of the subbase layer (3), a reinforced concrete slab (5) is arranged on the lower surface of the cushion layer (4), and a guide plate (6) is fixedly connected to the upper surface of the base layer (2); The upper surface of the surface layer (1) is provided with a mounting groove (7), the upper surface of the surface layer (1) is provided with a clamping groove (8), the side inner wall of the mounting groove (7) is movably connected with a water leakage plate (9), the side inner wall of the base layer (2) is fixedly connected with a steel bar (12), the side surface of the base layer (2) is fixedly connected with a water guide groove (13), the upper surface of the water guide groove (13) is provided with a groove (14), the side inner wall of the water guide groove (13) is fixedly connected with a supporting steel plate (15), and the side surface of the water guide groove (13) is provided with a water leakage hole (16).

2. The noise reduction and drainage asphalt concrete pavement according to claim 1, characterized in that: The asphalt mixed material used in the surface layer (1) is OGFC material, and the material of the base layer (2) is an asphalt base layer.

3. The noise reduction and drainage asphalt concrete pavement according to claim 1, characterized in that: The base layer (3) is formed of crushed stone, and the cushion layer (4) is formed of antifreeze layer material.

4. The noise reduction and drainage asphalt concrete pavement according to claim 1, characterized in that: The upper surface of the guide plate (6) is fixedly connected to the surface layer (1), and the side surface of the water leakage plate (9) is fixedly connected to a mounting block (10).

5. The noise reduction and drainage asphalt concrete pavement according to claim 4, characterized in that: The lower surface of the mounting block (10) is movably connected to the clamping groove (8), and the upper surface of the mounting block (10) is threadedly connected with a bolt (11).

6. The noise reduction and drainage asphalt concrete pavement according to claim 5, characterized in that: The side surface of the bolt (11) is threadedly connected to the surface layer (1), and the side surface of the steel bar (12) is movably connected to the groove (14).

7. The noise reduction and drainage asphalt concrete pavement according to claim 1, characterized in that: The upper surface of the steel bar (12) is fixedly connected to the surface layer (1), and the lower surface of the steel bar (12) is in contact with the supporting steel plate (15).

8. The noise reduction and drainage asphalt concrete pavement according to claim 1, characterized in that: The number of the water leakage holes (16) is multiple.

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