CN220564984U - Novel low noise road surface structure - Google Patents
Novel low noise road surface structure Download PDFInfo
- Publication number
- CN220564984U CN220564984U CN202322004272.6U CN202322004272U CN220564984U CN 220564984 U CN220564984 U CN 220564984U CN 202322004272 U CN202322004272 U CN 202322004272U CN 220564984 U CN220564984 U CN 220564984U
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- layer
- drainage
- supporting
- sound absorbing
- sound
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000004575 stone Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 12
- 230000030279 gene silencing Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 76
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a novel low-noise pavement structure, which comprises a drainage base layer, wherein a supporting layer and a sound absorption layer are arranged on the drainage base layer, and a sound attenuation layer is arranged on the sound absorption layer; the supporting layer is trapezoidal setting on the drainage basic unit, the sound absorbing layer is trapezoidal setting in two adjacent between the supporting layer, the sound absorbing layer contacts with the drainage basic unit, the sound absorbing layer middle part is provided with the supporter that is used for supporting, can reduce the child noise of vehicle through the amortization layer, then utilize the setting of supporting layer to carry out main support to whole road surface, utilize the setting of sound absorbing layer during, utilize the sound absorbing layer to mix for sound absorbing stone and fine sand, can absorb the child noise of upper portion amortization layer department transmission, further noise has been reduced, and utilize the tiny gap in the sound absorbing layer to carry out the drainage, until the drip is inside the drainage basic unit, then utilize the drainage basic unit to discharge water from drainage basic unit both sides to drainage chamber department, then discharge to among the drainage system.
Description
Technical Field
The utility model belongs to the technical field of pavements, and particularly relates to a novel low-noise pavement structure.
Background
The influence of the running load and natural factors on the road surface gradually weakens along with the increase of the depth, and the requirements on the strength, the rigidity, the stability and the like of the road surface material gradually decrease along with the increase of the depth. To accommodate this feature, the pavement structure employs a layered paving method. According to the different use requirements, stress conditions, soil base supporting conditions and natural factor influence degrees of the road surface structure, structural layers such as surface layers, base layers and cushion layers with different functional requirements are respectively paved on the top surface of a roadbed by adopting materials with different specifications and requirements, and before the road surface structure is used, the running noise of the domestic asphalt road surface structure is larger, and under the increasingly serious traffic pressure, the running comfort, the safety and the environmental protection are also particularly important.
Disclosure of Invention
The utility model aims to provide a novel low-noise pavement structure so as to solve the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel low-noise pavement structure comprises a drainage base layer, wherein a supporting layer and a sound absorption layer are arranged on the drainage base layer, and a sound attenuation layer is arranged on the sound absorption layer;
the supporting layer is trapezoidal setting on the drainage basic unit, the sound absorbing layer is trapezoidal setting of falling between adjacent two the supporting layer, the sound absorbing layer contacts with the drainage basic unit, the sound absorbing layer middle part is provided with the supporter that is used for supporting.
Preferably, the drainage base layer comprises a supporting metal net and a base layer, the supporting layer and the sound absorbing layer are arranged on the base layer, and the supporting metal net is arranged at two ends of the base layer and used for blocking two sides.
Preferably, side walls are arranged on two sides of the silencing layer, and a water draining cavity is formed between the side walls and the silencing layer.
Preferably, a metal steel mesh is fixedly arranged on one side of the side wall on the drainage cavity.
Preferably, the noise reduction layer is specifically an emulsified asphalt layer, the base layer and the sound absorption layer are both a mixture of sound absorption stone and fine sand, and the support layer and the support body are both cement.
The utility model has the technical effects and advantages that: can reduce the child noise of vehicle through the amortization layer, then utilize the setting of supporting layer to carry out main support to whole road surface, utilize the setting of sound absorbing layer during, utilize the sound absorbing layer to mix for sound absorbing stone and fine sand, but absorb the child noise of upper portion amortization layer department transmission, further noise reduction, and utilize the fine gap in the sound absorbing layer to carry out the drainage, until inside the drip to the drainage basic unit, then utilize the drainage basic unit to discharge water to drainage chamber department from drainage basic unit both sides, then discharge to drainage system in, wholly utilize setting up of amortization layer and sound absorbing layer can reduce the noise.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of a drainage cavity structure of the present utility model.
In the figure: 1. a support layer; 2. a sound absorbing layer; 3. a support body; 4. a sound deadening layer; 5. a drainage base layer; 501. supporting the metal net; 502. a base layer; 6. a sidewall; 7. a metal steel mesh; 8. a water drainage cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a novel low-noise pavement structure as shown in the figure, which comprises a drainage base layer 5, wherein a supporting layer 1 and a sound absorption layer 2 are arranged on the drainage base layer 5, and a sound attenuation layer 4 is arranged on the sound absorption layer 2;
the supporting layer 1 is trapezoidal setting on drainage basic unit 5, and the sound absorbing layer 2 is trapezoidal setting in the falling between two adjacent supporting layers 1, and sound absorbing layer 2 and drainage basic unit 5 contact, and the sound absorbing layer 2 middle part is provided with the supporter 3 that is used for supporting.
Specifically, the drainage base layer 5 includes a supporting metal net 501 and a base layer 502, the supporting layer 1 and the sound absorbing layer 2 are disposed on the base layer 502, and the supporting metal net 501 is disposed at two ends of the base layer 502 for blocking two sides.
Specifically, the both sides of amortization layer 4 are provided with lateral wall 6, are formed with drainage chamber 8 between lateral wall 6 and the amortization layer 4.
Specifically, a metal steel mesh 7 is fixedly arranged on one side of the side wall 6 on the drainage cavity 8.
Specifically, the silencing layer 4 is specifically an emulsified asphalt layer, the base layer 502 and the sound absorbing layer 2 are both a mixture of sound absorbing stone and fine sand, and the supporting layer 1 and the supporting body 3 are both cement.
Working principle: when the utility model is used, the tire noise of a vehicle can be reduced through the noise reduction layer 4, then the whole pavement can be mainly supported by the arrangement of the supporting layer 1, during the period, the sound absorption layer 2 is used for mixing sound absorption stones with fine sand, but the tire noise transmitted at the upper noise reduction layer 4 is absorbed, the noise is further reduced, and the fine gaps in the sound absorption layer 2 are used for draining until the tire noise drops into the drainage base layer 5, then the drainage base layer 5 is used for draining water from two sides of the drainage base layer 5 to the drainage cavity 8 and then draining the tire noise into a drainage system, and the noise can be reduced by the arrangement of the noise reduction layer 4 and the sound absorption layer 2 as a whole;
then, by using the supporting metal net 501, the base layer 502 can be blocked, and the whole shape of the drainage base layer 5 can be stabilized while water seepage is performed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a novel low noise road surface structure, includes drainage basic unit (5), its characterized in that: the drainage base layer (5) is provided with a supporting layer (1) and a sound absorption layer (2), and the sound absorption layer (2) is provided with a sound attenuation layer (4);
the supporting layer (1) is trapezoidal setting on drainage basic unit (5), sound absorbing layer (2) are trapezoidal setting in adjacent two between supporting layer (1), sound absorbing layer (2) contact with drainage basic unit (5), sound absorbing layer (2) middle part is provided with supporter (3) that are used for supporting.
2. The novel low noise pavement structure of claim 1, wherein: the drainage base layer (5) comprises a supporting metal net (501) and a base layer (502), wherein the supporting layer (1) and the sound absorbing layer (2) are arranged on the base layer (502), and the supporting metal net (501) is arranged at two ends of the base layer (502) and used for blocking two sides.
3. The novel low noise pavement structure of claim 1, wherein: side walls (6) are arranged on two sides of the silencing layer (4), and a drainage cavity (8) is formed between the side walls (6) and the silencing layer (4).
4. A novel low noise pavement structure according to claim 3, wherein: a metal steel mesh (7) is fixedly arranged on one side of the side wall (6) on the drainage cavity (8).
5. The novel low noise pavement structure of claim 2, wherein: the sound attenuation layer (4) is specifically an emulsified asphalt layer, the base layer (502) and the sound absorption layer (2) are both a mixture of sound absorption stone and fine sand, and the support layer (1) and the support body (3) are both cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004272.6U CN220564984U (en) | 2023-07-28 | 2023-07-28 | Novel low noise road surface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004272.6U CN220564984U (en) | 2023-07-28 | 2023-07-28 | Novel low noise road surface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220564984U true CN220564984U (en) | 2024-03-08 |
Family
ID=90092928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322004272.6U Active CN220564984U (en) | 2023-07-28 | 2023-07-28 | Novel low noise road surface structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220564984U (en) |
-
2023
- 2023-07-28 CN CN202322004272.6U patent/CN220564984U/en active Active
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