CN207933831U - The asphalt pavement structure of dewatering and noise reduction - Google Patents
The asphalt pavement structure of dewatering and noise reduction Download PDFInfo
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- CN207933831U CN207933831U CN201720745337.4U CN201720745337U CN207933831U CN 207933831 U CN207933831 U CN 207933831U CN 201720745337 U CN201720745337 U CN 201720745337U CN 207933831 U CN207933831 U CN 207933831U
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- dewatering
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Abstract
The utility model discloses a kind of asphalt pavement structures of dewatering and noise reduction, include the protective layer being laid with by emulsified bitumen slurry mixture；The dewatering and noise reduction layer being laid with by Asphalt mix for open-graded friction course is located at the lower section of the protective layer, and voidage is 15 22%, and infiltration coefficient is more than 3000ml/min；The noise reduction Anti-crack layer being laid with by rubber asphalt concrete is located at the lower section of the dewatering and noise reduction layer；The supporting course being laid with by particulate formula bituminous concrete is located at the lower section of the noise reduction Anti-crack layer；Base made of compacting is laid with by cement and the mixing of various macadam-aggregate mixes, is located at the lower section of the supporting course；By cement, rubble and dirt mixing are laid with bed course made of compacting, are located at the lower section of the base；In addition, the protective layer, dewatering and noise reduction layer, noise reduction Anti-crack layer and load-bearing interlayer are both provided with waterproofing tack coat.It can effectively reduce driving noise, and road surface drainage is functional, and antiwear property is strong, and the service life is longer.
Description
Technical field
The utility model is related to technical field of road construction, more particularly to a kind of asphalt pavement structure of dewatering and noise reduction.
Background technology
With the development of automobile engineering, the noise that the automobile dynamic system based on engine generates has been obtained for greatly
Control, and automobile disturbs the noise also ambient conditions with the shape of automobile, travel speed and surrounding of its surrounding air flowing
It is related, therefore in road engineering research, the research for the noise that the interaction between tire/road surface generates is reduced to seem particularly
It is important.And wherein, by the transformation of road pavement structure, apparent improvement result can be played to noise.But it is currently, domestic
Asphalt pavement structure is driven a vehicle, and noise is larger, and resident and driving personnel to surrounding cause certain puzzlement.Therefore, for
The transformation of asphalt pavement structure will have far-reaching significance the environment for improving urban road construction.
Utility model content
One purpose of the utility model is to solve at least the above, and provide the advantages of at least will be described later.
The utility model is to provide a kind of asphalt pavement structure of dewatering and noise reduction there are one purpose, can effectively reduce row
Vehicle noise, road surface drainage is functional, and antiwear property is strong, and the service life is longer.
In order to realize these purposes and other advantages according to the present utility model, a kind of asphalt road of dewatering and noise reduction is provided
Face structure, including：
The thickness of the protective layer being made of emulsified bitumen slurry mixture, the protective layer is 1.5cm；
The dewatering and noise reduction layer being made of Asphalt mix for open-graded friction course, the dewatering and noise reduction layer are located under the protective layer
Side, thickness 3cm, voidage 15-22%, infiltration coefficient are more than 3000ml/min；
The noise reduction Anti-crack layer being made of rubber asphalt concrete, the noise reduction Anti-crack layer are located under the dewatering and noise reduction layer
Side；
The supporting course being made of particulate formula bituminous concrete, the supporting course are located at the lower section of the noise reduction Anti-crack layer；
The base constituted is mixed by cement and macadam-aggregate mix, the base is located at the lower section of the supporting course；
The bed course being made of cement lime stabilized soil stabilization gravel, the bed course are located at the lower section of the base；
In addition, the protective layer, dewatering and noise reduction layer, noise reduction Anti-crack layer and load-bearing interlayer are both provided with waterproofing tack coat.
Preferably, in the asphalt pavement structure of the dewatering and noise reduction, the waterproofing tack coat includes that rubber asphalt is broken
Stone sealing and the polyurethane coating sprayed coating being sprayed on the rubber asphalt crushed stone sealing.
Preferably, in the asphalt pavement structure of the dewatering and noise reduction, the thickness of the noise reduction Anti-crack layer is 3-5cm.
Preferably, in the asphalt pavement structure of the dewatering and noise reduction, the thickness of the supporting course is 6-8cm.
Preferably, in the asphalt pavement structure of the dewatering and noise reduction, the thickness of the base is 12-18cm.
Preferably, in the asphalt pavement structure of the dewatering and noise reduction, the thickness of the bed course is 12-18cm.
The utility model includes at least following advantageous effect：
The utility model by be arranged successively be laid with bed course, base, supporting course, noise reduction Anti-crack layer, dewatering and noise reduction layer with
And protective layer so that the asphalt pavement structure constructed not only reduces noise of driving a vehicle, the performance of draining with good, moreover it is possible to
It is enough to reduce abrasion, extend maintenance period, to reduce the use cost on road surface.
By being laid with the protective layer of emulsified bitumen slurry mixture composition on dewatering and noise reduction layer, dewatering and noise reduction is neither influenced
The draining of layer and reduction noise performance, moreover it is possible to avoid dewatering and noise reduction layer from being worn, and the absent-mindedness of the inside structure can be postponed, improve road
Face skid resistance plays a certain protective role dewatering and noise reduction layer, to significantly improve pavement quality, and extends making for road surface
Use the service life.
By the way that the dewatering and noise reduction layer being laid with by Asphalt mix for open-graded friction course is arranged, the gap on road surface can be utilized to play more
The effect of hole sound absorbing material, while tire bottom air compression " sonic boom " sound that then release generates is since compressed air passes through company
Logical gap dissipates and is inhibited, so that driving noise significantly reduces, " sonic boom " of the rainy day due to eliminating water body, drop
The amount of making an uproar is more notable, while the gap on road surface can be such that rainwater is permeated downwards by gap, avoid surface gathered water.
By being both provided with waterproofing tack coat in protective layer, dewatering and noise reduction layer, noise reduction Anti-crack layer and load-bearing interlayer so that
Each interlayer adhesion is close, avoids road surface since interlaminar separation damages, while the adhesive linkage of waterproof can avoid being dropped by waterproof
The rainwater that layer of making an uproar penetrates penetrates into noise reduction Anti-crack layer, and the moisture of each interlayer will not be interpenetrated, and avoids the flowing of moisture
Cause the damage of pavement structure.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural schematic diagram of the asphalt pavement structure of dewatering and noise reduction described in the utility model.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figure 1, the utility model provides a kind of asphalt pavement structure of dewatering and noise reduction, including：It is dilute by emulsified asphalt
The protective layer 1 that mixture is constituted is starched, the thickness of the protective layer 1 is 1.5cm；The draining drop being made of Asphalt mix for open-graded friction course
It makes an uproar layer 2, the dewatering and noise reduction layer 2 is located at the lower section of the protective layer 1, thickness 3cm, voidage 15-22%, infiltration coefficient
More than 3000ml/min；The noise reduction Anti-crack layer 3 being made of rubber asphalt concrete, the noise reduction Anti-crack layer 3 are located at the draining
The lower section of noise reduction layer 2；The supporting course 4 being made of particulate formula bituminous concrete, the supporting course 4 are located at the noise reduction Anti-crack layer 3
Lower section；The base 5 constituted is mixed by cement and macadam-aggregate mix, the base 5 is located at the lower section of the supporting course 4；By water
The bed course 6 that mudstone dirt stabilization gravel is constituted, the bed course 6 are located at the lower section of the base 5；In addition, the protective layer 1, row
It is both provided with waterproofing tack coat 7 between water noise reduction layer 2, noise reduction Anti-crack layer 3 and supporting course 4.
In the above scheme, it by being laid with noise reduction Anti-crack layer below dewatering and noise reduction layer, is laid with by rubber asphalt concrete
Made of noise reduction Anti-crack layer itself there is certain elasticity, thus the noise for being passed to by dewatering and noise reduction layer has certain disappear
Change acts on, it is thus possible to the further noise reduced when being formed, meanwhile, the certain extension having by rubber asphalt concrete
Property, it can resist that road surface is certain to expand with heat and contract with cold, and shearing force caused by road pavement in driving, thereby reduce pavement crack
Generation, improve the service life on road surface.By being laid with supporting course above base, it is laid with by particulate formula bituminous concrete
Supporting course structure is fine and closely woven, structure sheaf gap very little, thus has good load bearing effect, and then reduces road surface and bear a heavy burden to base
Influence, that is, further improve the durability on road surface, improve the service life of the asphalt pavement structure of the dewatering and noise reduction.
Wherein, the cement lime stabilized soil stabilization gravel is mixed by cement, dirt and rubble.
In one preferred embodiment, the waterproofing tack coat 7 includes that rubber asphalt crushed stone sealing is dripped with the rubber is sprayed at
Polyurethane coating sprayed coating on green crushed stone sealing.
In the above scheme, by the way that waterproofing tack coat is arranged by rubber asphalt crushed stone sealing and polyurethane coating sprayed coating group
At the effect of the existing waterproof bonding of rubber asphalt crushed stone sealing, moreover it is possible to make each interlayer that there is certain elasticity and ductility, and gather
Urethane coating sprayed coating can further increase the water resistance of each interlayer, to improve the service life of pavement structure.
In one preferred embodiment, the thickness of the noise reduction Anti-crack layer 3 is 3-5cm.
In the above scheme, the noise reduction Anti-crack layer for being 3-5cm by setting thickness, can prevent the generation of reflection crack,
Improve the service life on road surface.
In one preferred embodiment, the thickness of the supporting course 4 is 6-8cm.
In the above scheme, by the way that the supporting course that thickness is 6-8cm is arranged, noise reduction Anti-crack layer thereon can be played good
Good supporting role, and play a very good protection to the base under it, balance reaches the analysis of wheel vertical power of base, reduces base
The damage probability on layer road surface.
In one preferred embodiment, the thickness of the base 5 is 12-18cm.
In the above scheme, by be arranged thickness be 12-18cm base, and in base cement and macadam-aggregate mix weight
Amount is than being 1:0.05, the analysis of wheel vertical power transmitted by supporting course can either be born, and the erosion of underground water can be resisted.
In one preferred embodiment, the thickness of the bed course 6 is 12-18cm.
In the above scheme, by be arranged thickness be 12-18cm bed course, and in bed course cement, rubble and dirt weight
Amount is than being 1:3.5:0.5, it can effectively exclude the Free water being detained in road surface and base, it is ensured that pavement structure is in drying
Or middle wet condition, while the load stress transmitted by base can be transmitted and spread, ensure roadbed work within the scope of allowable stress
Make.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. a kind of asphalt pavement structure of dewatering and noise reduction, which is characterized in that including：
The thickness of the protective layer being made of emulsified bitumen slurry mixture, the protective layer is 1.5cm；
The dewatering and noise reduction layer being made of Asphalt mix for open-graded friction course, the dewatering and noise reduction layer are located at the lower section of the protective layer, thick
Degree is 3cm, and voidage 15-22%, infiltration coefficient is more than 3000ml/min；
The noise reduction Anti-crack layer being made of rubber asphalt concrete, the noise reduction Anti-crack layer are located at the lower section of the dewatering and noise reduction layer；
The supporting course being made of particulate formula bituminous concrete, the supporting course are located at the lower section of the noise reduction Anti-crack layer；
The base constituted is mixed by cement and macadam-aggregate mix, the base is located at the lower section of the supporting course；
The bed course being made of cement lime stabilized soil stabilization gravel, the bed course are located at the lower section of the base；
In addition, the protective layer, dewatering and noise reduction layer, noise reduction Anti-crack layer and load-bearing interlayer are both provided with waterproofing tack coat.
2. the asphalt pavement structure of dewatering and noise reduction as described in claim 1, which is characterized in that the waterproofing tack coat includes rubber
Glue bitumen macadam seal coat and the polyurethane coating sprayed coating being sprayed on the rubber asphalt crushed stone sealing.
3. the asphalt pavement structure of dewatering and noise reduction as described in claim 1, which is characterized in that the thickness of the noise reduction Anti-crack layer
For 3-5cm.
4. the asphalt pavement structure of dewatering and noise reduction as described in claim 1, which is characterized in that the thickness of the supporting course is 6-
8cm。
5. the asphalt pavement structure of dewatering and noise reduction as described in claim 1, which is characterized in that the thickness of the base is 12-
18cm。
6. the asphalt pavement structure of dewatering and noise reduction as described in claim 1, which is characterized in that the thickness of the bed course is 12-
18cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745337.4U CN207933831U (en) | 2017-06-23 | 2017-06-23 | The asphalt pavement structure of dewatering and noise reduction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745337.4U CN207933831U (en) | 2017-06-23 | 2017-06-23 | The asphalt pavement structure of dewatering and noise reduction |
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| Publication Number | Publication Date |
|---|---|
| CN207933831U true CN207933831U (en) | 2018-10-02 |
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ID=63644203
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| CN201720745337.4U Active CN207933831U (en) | 2017-06-23 | 2017-06-23 | The asphalt pavement structure of dewatering and noise reduction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409251A (en) * | 2019-06-14 | 2019-11-05 | 湖南交通国际经济工程合作有限公司 | A kind of dewatering and noise reduction pavement construction method |
| CN113202001A (en) * | 2021-04-07 | 2021-08-03 | 中安龙山建设集团有限公司 | A reinforced structure for highway construction |
| CN114457645A (en) * | 2022-03-16 | 2022-05-10 | 深圳市盛通万虹科技有限公司 | Road surface structure of antiskid low noise |
-
2017
- 2017-06-23 CN CN201720745337.4U patent/CN207933831U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409251A (en) * | 2019-06-14 | 2019-11-05 | 湖南交通国际经济工程合作有限公司 | A kind of dewatering and noise reduction pavement construction method |
| CN113202001A (en) * | 2021-04-07 | 2021-08-03 | 中安龙山建设集团有限公司 | A reinforced structure for highway construction |
| CN114457645A (en) * | 2022-03-16 | 2022-05-10 | 深圳市盛通万虹科技有限公司 | Road surface structure of antiskid low noise |
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