CN114457645A - Road surface structure of antiskid low noise - Google Patents
Road surface structure of antiskid low noise Download PDFInfo
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- CN114457645A CN114457645A CN202210258977.8A CN202210258977A CN114457645A CN 114457645 A CN114457645 A CN 114457645A CN 202210258977 A CN202210258977 A CN 202210258977A CN 114457645 A CN114457645 A CN 114457645A
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- noise
- antiskid
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- 239000010410 layer Substances 0.000 claims abstract description 146
- 239000002344 surface layer Substances 0.000 claims abstract description 37
- 230000009467 reduction Effects 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 9
- 239000011384 asphalt concrete Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 12
- 239000010426 asphalt Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 241000219112 Cucumis Species 0.000 claims description 3
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 claims description 3
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 20
- 206010039203 Road traffic accident Diseases 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 3
- 239000011247 coating layer Substances 0.000 description 8
- 239000003673 groundwater Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an antiskid low-noise pavement structure, which comprises a pavement body and an antiskid noise reduction layer, wherein the pavement body comprises a soil layer, a cushion layer is laid on the top of the soil layer, a base layer is laid on the top of the cushion layer, a lower sealing layer is laid on the top of the base layer, a surface layer is laid on the top of the lower sealing layer, the antiskid noise reduction layer is laid on the top of the surface layer, and the base layer comprises an underlayer, a lower base layer and an upper base layer, so that the problem that the existing pavement structure is poor in noise reduction effect and mainly originates from the action between a pavement and wheels when various motor vehicles run on the pavement is solved, the noise causes can be divided into an air pumping effect and noise generated by wheel vibration, the noise pollution can be caused, the pavement structure is generally poor in drainage, accumulated water on the pavement cannot be quickly discharged, the skid resistance of the pavement can be reduced, and the driving safety can be directly influenced, the problem of occurrence of traffic accidents is invisibly increased.
Description
Technical Field
The invention relates to the field of pavement structures, in particular to an antiskid low-noise pavement structure.
Background
The road surface is not only required to bear the action of wheel load, but also required to be influenced by natural environment factors, and the influence of driving load and atmospheric factors on the road surface generally weakens gradually along with the depth, so that the road surface is generally of a multilayer structure, a material with good quality is paved on an upper layer with larger stress, a material with poor quality is paved on a lower layer with smaller stress, and thus, materials with different specifications and requirements are adopted on the roadbed.
The road surface structure refers to and constitutes each layer of laying on road surface, and its noise reduction effect of current road surface structure is relatively poor, and mainly stem from the effect between road surface and the wheel when all kinds of motor vehicles are gone on the road surface, the noise reason can be divided into the produced noise of air pump suction effect and wheel vibration, consequently can cause the condition of noise pollution, and road surface structure drainage is relatively poor usually, surface ponding can not discharge fast, consequently can lead to road surface cling compound nature to weaken, directly influence the security of driving, the emergence of traffic accident has increased in the intangible.
Disclosure of Invention
The invention mainly aims to provide an antiskid low-noise road surface structure, and aims to solve the problems that the existing road surface structure is poor in noise reduction effect and mainly comes from the action between the road surface and wheels when various motor vehicles run on the road surface, noise is caused by air pumping effect and noise generated by wheel vibration, so that noise pollution is caused, the road surface structure is poor in drainage performance generally, and accumulated water on the road surface cannot be quickly drained, so that the road surface skid resistance is weakened, the driving safety is directly influenced, and traffic accidents are increased invisibly.
In order to achieve the purpose, the anti-skid low-noise pavement structure provided by the invention comprises a pavement body and an anti-skid noise reduction layer, wherein the pavement body comprises a soil layer, a cushion layer is laid on the top of the soil layer, a base layer is laid on the top of the cushion layer, a lower sealing layer is laid on the top of the base layer, a surface layer is laid on the top of the lower sealing layer, and the anti-skid noise reduction layer is laid on the top of the surface layer.
Preferably, the base layer comprises an underlayer, a lower base layer and an upper base layer, the underlayer is laid on the top of the cushion layer, the lower base layer is laid on the top of the underlayer, the upper base layer is laid on the top of the lower base layer, and the underlayer, the lower base layer and the upper base layer are respectively 3.5% cement-stabilized macadam with the thickness of 20cm, 4.5% cement-stabilized macadam with the thickness of 18cm and 5% cement-stabilized macadam with the thickness of 18 cm.
Preferably, the surface layer comprises a lower surface layer, a middle surface layer and an upper surface layer, wherein the lower surface layer, the middle surface layer and the upper surface layer are respectively coarse-grained asphalt concrete GAC-25 with the thickness of 8cm, medium-grained asphalt concrete GAC-20C with the thickness of 5.5cm and medium-grained modified asphalt concrete GAC-16C with the thickness of 4.5 cm.
Preferably, the bed course is 15cm thick unscreened rubble, the lower seal is laid for hot pitch and melon and rice stone and forms.
Preferably, the anti-skid noise reduction layer comprises a coating layer and a pore layer, the coating layer and the pore layer are respectively a water-based epoxy resin anti-skid floor coating and a graded wearing layer, the coating layer is sprayed on the surface of the pore layer, and the graded wearing layer is made of high-viscosity asphalt.
In the technical scheme of the invention, the cushion layer is arranged, so that the vehicle load borne by the base layer and the surface layer is favorably and evenly diffused to the roadbed, the roadbed has certain toughness, certain strength and rigidity and a water drainage effect, meanwhile, the firm and stable long-term bearing of the vehicle load is provided with an important guarantee, the base layer is mainly used for bearing and diffusing the stress of the surface layer to the cushion layer, the surface layer and the base layer can be effectively connected into a whole by arranging the lower sealing layer, the continuity between the layers can be increased, the load can be more effectively transferred, the waterproof capacity of the road surface is enhanced, the effects of improving the driving condition and protecting the road surface body can be achieved by arranging the surface layer, the road surface body can be favorably provided with a smooth surface, the driving is comfortable, the noise is low, the maintenance is convenient, and the excellent water drainage performance of the road surface body is also ensured, the antiskid effect of the pavement body is improved, and the traffic accidents are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall layer structure of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a pavement body according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of an anti-skid noise reduction layer according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an exemplary infrastructure in accordance with the present invention;
fig. 5 is a schematic view of a surface layer structure according to an embodiment of the invention.
The reference numbers illustrate: 1. a pavement body; 2. an anti-skid noise reduction layer; 201. a coating layer; 202. a void layer; 3. a soil layer; 4. a cushion layer; 5. a base layer; 501. an underlayer; 502. a lower base layer; 503. an upper base layer; 6. a lower sealing layer; 7. a surface layer; 701. a lower layer; 702. a middle layer; 703. and (6) a top layer.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The invention provides an antiskid low-noise road surface structure which aims to solve the problems that the existing road surface structure is poor in noise reduction effect and mainly comes from the action between a road surface and wheels when various motor vehicles run on the road surface, noise causes can be divided into air pumping effect and noise generated by wheel vibration, so that noise pollution can be caused, the road surface structure is poor in drainage performance generally, and accumulated water on the road surface cannot be quickly discharged, so that the skid resistance of the road surface is weakened, the driving safety is directly influenced, and traffic accidents are increased invisibly.
As shown in fig. 1 to 5, an anti-skid low-noise pavement structure provided by an embodiment of the present invention includes a pavement body 1 and an anti-skid noise reduction layer 2, where the pavement body 1 includes a soil layer 3, a cushion layer 4 is laid on the top of the soil layer 3, a base layer 5 is laid on the top of the cushion layer 4, a lower seal layer 6 is laid on the top of the base layer 5, a surface layer 7 is laid on the top of the lower seal layer 6, and the anti-skid noise reduction layer 2 is laid on the top of the surface layer 7.
In the technical scheme of the invention, the cushion layer 4 is arranged, so that the vehicle load borne by the base layer 5 and the surface layer 7 is favorably and evenly diffused to the roadbed, the roadbed has certain toughness, certain strength and rigidity and a water drainage effect, meanwhile, the firm and stable long-term bearing of the vehicle load provides important guarantee, the base layer 5 mainly plays a role in bearing and the stress of the surface layer 7 is diffused to the cushion layer 4, the surface layer 7 and the base layer 5 can be effectively connected into a whole by arranging the lower sealing layer 6, the continuity between the layers can be increased, the load can be more effectively transferred, the waterproof capacity of the road surface is enhanced, the effect of improving the driving condition and protecting the road surface body 1 can be achieved by arranging the surface layer 7, the road surface body 1 can be favorably provided with the effects of smooth surface, comfortable driving and low noise by arranging the anti-skid noise reduction layer 2, the maintenance and repair are convenient, and the pavement body 1 is ensured to have excellent drainage performance, so that the antiskid effect of the pavement body 1 is improved, and the occurrence of traffic accidents is reduced.
Referring to fig. 4, the base layer 5 includes an underlayer 501, a lower base layer 502 and an upper base layer 503, the underlayer 501 is laid on the top of the cushion layer 4, the lower base layer 502 is laid on the top of the underlayer 501, the upper base layer 503 is laid on the top of the lower base layer 502, and the underlayer 501, the lower base layer 502 and the upper base layer 503 are respectively 20cm thick 3.5% cement-stabilized macadam, 18cm thick 4.5% cement-stabilized macadam and 18cm thick 5% cement-stabilized macadam. In this embodiment, the base layer 5 is set as the sub-base layer 501, the lower base layer 502 and the upper base layer 503, and is formed by laying 3.5% cement-stabilized macadam with a thickness of 20cm, 4.5% cement-stabilized macadam with a thickness of 18cm and 5% cement-stabilized macadam with a thickness of 18cm, so that the effect of bearing load can be greatly improved, and the stability of the pavement body 1 is improved.
Further, with continued reference to FIG. 5, the surface layer 7 comprises a lower layer 701, a middle layer 702 and an upper layer 703, wherein the lower layer 701, the middle layer 702 and the upper layer 703 are 8cm thick coarse-grained asphalt concrete GAC-25, 5.5cm thick middle-grained asphalt concrete GAC-20C and 4.5cm thick middle-grained modified asphalt concrete GAC-16C, respectively. In this embodiment, the surface layer 7 is configured as a lower surface layer 701, a middle surface layer 702 and an upper surface layer 703, and is respectively 8cm thick coarse-grained asphalt concrete GAC-25, 5.5cm thick middle-grained asphalt concrete GAC-20C and 4.5cm thick middle-grained modified asphalt concrete GAC-16C, so that the effects of improving driving conditions and protecting the road surface body 1 can be achieved, the flatness of the road surface body 1 is improved, the impact force of wheels on the road surface can be reduced by the flat surface, the vehicle bump cannot be caused when additional vibration is generated during driving, and the driving speed and the comfort can be improved.
With continued reference to fig. 2, the mat 4 is 15cm thick unscreened crushed stone and the lower seal 6 is formed by laying hot asphalt and melon-rice stone. In this embodiment, the cushion layer 4 is formed by paving unscreened broken stones with a thickness of 15cm, so that the vehicle load borne by the base layer 5 and the surface layer 7 can be uniformly diffused to the roadbed, the cushion layer 4 has certain toughness and certain strength and rigidity, the cushion layer 4 is the unscreened broken stones, so that the pores of the cushion layer 4 are large, when the groundwater permeates upwards, the groundwater can be discharged to a place without influencing the top layer, so that the cushion layer 4 has a drainage effect and can bear the vehicle load firmly and stably for a long time, and because the lower sealing layer 6 is formed by paving hot asphalt and melon and rice stones, the surface layer 7 and the base layer 5 can be effectively connected into a whole, the continuity between layers can be increased, the load can be more effectively transferred, the pavement water can be prevented from permeating to the bottom layer and influencing the structural strength of the bottom layer, the pavement water can be discharged to the drainage ditch, and the groundwater can be prevented from permeating upwards, the influence on the road surface is prevented, and the waterproof capability of the road surface is enhanced.
Referring to fig. 3, the anti-slip noise reduction layer 2 includes a coating layer 201 and a pore layer 202, the coating layer 201 and the pore layer 202 are respectively a water-based epoxy resin anti-slip floor coating and a graded wear layer, the coating layer 201 is sprayed on the surface of the pore layer 202, and the graded wear layer is made of high-viscosity asphalt. In this embodiment, the anti-skid noise reduction layer 2 is set as the coating layer 201 and the pore layer 202, and the open-graded wear layer is made of high-viscosity asphalt, so that the pavement body 1 has smooth surface, comfortable driving, low noise and convenient maintenance through the arrangement of large pores, and the pavement body 1 is ensured to have excellent drainage performance, so that the anti-skid effect of the pavement body 1 is improved, and traffic accidents are reduced.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a road surface structure of antiskid low noise, its characterized in that, road surface structure of antiskid low noise includes road surface body (1) and antiskid noise reduction layer (2), road surface body (1) includes soil layer (3), bed course (4) have been laid at the top of soil layer (3), basic unit (5) have been laid at the top of bed course (4), seal (6) under having laid at the top of basic unit (5), surface course (7) have been laid at the top of seal (6) down, antiskid noise reduction layer (2) are laid at the top of surface course (7).
2. The non-skid low-noise pavement structure according to claim 1, wherein the base layer (5) comprises a sub-base layer (501), a lower base layer (502) and an upper base layer (503), the sub-base layer (501) is laid on top of the cushion layer (4), the lower base layer (502) is laid on top of the sub-base layer (501), the upper base layer (503) is laid on top of the lower base layer (502), and the sub-base layer (501), the lower base layer (502) and the upper base layer (503) are 3.5% cement-stabilized macadam with a thickness of 20cm, 4.5% cement-stabilized macadam with a thickness of 18cm and 5% cement-stabilized macadam with a thickness of 18cm, respectively.
3. The antiskid low-noise pavement structure according to claim 1, wherein the surface layer (7) comprises a lower surface layer (701), a middle surface layer (702) and an upper surface layer (703), and the lower surface layer (701), the middle surface layer (702) and the upper surface layer (703) are 8cm thick coarse-grained asphalt concrete GAC-25, 5.5cm thick medium-grained asphalt concrete GAC-20C and 4.5cm thick medium-grained modified asphalt concrete GAC-16C, respectively.
4. A non-skid low-noise pavement structure according to claim 1, characterized in that said bedding (4) is 15cm thick unscreened gravel and said lower sealing layer (6) is laid with hot asphalt and melon stone.
5. A skid-resistant low-noise pavement structure according to claim 1, wherein the skid-resistant noise-reduction layer (2) comprises a paint layer (201) and a pore layer (202), the paint layer (201) and the pore layer (202) are respectively a water-based epoxy resin skid-resistant floor paint and a graded wear layer, the paint layer (201) is sprayed on the surface of the pore layer (202), and the graded wear layer is made of high-viscosity asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258977.8A CN114457645A (en) | 2022-03-16 | 2022-03-16 | Road surface structure of antiskid low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258977.8A CN114457645A (en) | 2022-03-16 | 2022-03-16 | Road surface structure of antiskid low noise |
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| Publication Number | Publication Date |
|---|---|
| CN114457645A true CN114457645A (en) | 2022-05-10 |
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| CN202210258977.8A Pending CN114457645A (en) | 2022-03-16 | 2022-03-16 | Road surface structure of antiskid low noise |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207933831U (en) * | 2017-06-23 | 2018-10-02 | 中国路桥工程有限责任公司 | The asphalt pavement structure of dewatering and noise reduction |
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- 2022-03-16 CN CN202210258977.8A patent/CN114457645A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207933831U (en) * | 2017-06-23 | 2018-10-02 | 中国路桥工程有限责任公司 | The asphalt pavement structure of dewatering and noise reduction |
Non-Patent Citations (1)
| Title |
|---|
| 吴惟钧: "全寿命周期养护成本理念在阳茂高速公路的应用" * |
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Application publication date: 20220510 |