CN201517191U - Photo-thermal reflection type asphalt concrete pavement structure for reducing temperature of pavement - Google Patents
Photo-thermal reflection type asphalt concrete pavement structure for reducing temperature of pavement Download PDFInfo
- Publication number
- CN201517191U CN201517191U CN2009202067015U CN200920206701U CN201517191U CN 201517191 U CN201517191 U CN 201517191U CN 2009202067015 U CN2009202067015 U CN 2009202067015U CN 200920206701 U CN200920206701 U CN 200920206701U CN 201517191 U CN201517191 U CN 201517191U
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- pavement
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- reflection type
- asphalt concrete
- type coating
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- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 230000001680 brushing effect Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002310 reflectometry Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 8
- 239000010426 asphalt Substances 0.000 description 6
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
A photo-thermal reflection type asphalt concrete pavement structure for reducing the temperature of pavement comprises a pavement layer (1) and a photo-thermal reflection type coating (2); the photo-thermal reflection type coating (2) is brushed or sprayed on the upper surface of the pavement layer (1); and an antiskid aggregate layer (3) is spread on the photo-thermal reflection type coating (2). The utility model has high photo-thermal reflectivity, thereby increasing the heat absorptivity of the pavement, reducing the temperature of the pavement and solving the wheel rutting problem of the pavement. The pavement also has the advantages of good wearing resistance, strong skid resistance, long service durability and the like.
Description
One, technical field
The utility model relates to the highway construction road structure, especially a kind of photothermal reflectance type asphalt concrete pavement structure that reduces pavement temperature.
Two, background technology
Along with economic development, technological progress, the construction quantity of road increases year by year.Flexible pavement is owing to have advantages such as planeness height, noise is little, road-ability is good, and therefore, particularly in the high-grade highway, major part all adopts the form of flexible pavement at newly-built highway.But well-known, pitch is a kind of heat-absorbing material, and its solar heat absorptivity is very high, reaches 0.85～0.95.In summer, under the lasting heat radiation effect of the sun, a large amount of heats are absorbed by flexible pavement and are accumulated in asphalt surface course, and this just makes pavement temperature be higher than temperature far away.Owing to the thermoplastic characteristics of bituminous material itself, easy deliquescing generation plasticity flows when high temperature simultaneously.Therefore China is most of regional, the sweltering heat in summer, and high-temperature duration is long, and in addition in the last few years, the traffic volume increases rapidly, vehicle maximizes, the serious channelization etc. that reaches that overloads, and makes flexible pavement be faced with acid test.The needs that just can not adapt to traffic are soon built up on many road surfaces, and early damage happens occasionally, and rut has become high temperature season flexible pavement the most serious potential mode of failure.
At problems such as asphalt pavement rut diseases, Chinese scholars has been carried out a lot of researchs, has proposed a lot of solutions.Adopt at present extensively modified bitumen, enlarge modified bitumen the scope of application (as surface layer bilayer modification in adopting), improve the composition structure (as the SMA road surface) of bituminous mixture etc.These measures have been played certain effect for the prevention or the alleviation of asphalt pavement rut.Yet because bituminous material is to responsive to temperature intrinsic propesties, abovementioned technology still fails to solve flexible pavement high temperature rut problem at all, special occasions such as high grade pavement especially big at the traffic volume, that traffic load is heavy and steel bridge face, abrupt slope bend, charge station, parking lot, the thermostability disease of flexible pavement is still serious.
Three, summary of the invention
The purpose of this utility model is: by showing reflectivity in brushing of plain asphalt concrete surface layer or spraying photothermal reflectance type coating to improve the road, thereby reduce the amount of heat absorption on road surface, reduce pavement temperature, reduce the rut disease, and gather materials and increase pavement skid resistance, thereby make this road surface become the photothermal reflectance type asphalt pavement structure of a kind of high antiskid, high anti-rut, good endurance by adding antiskid.
The technical scheme that the utility model purpose is taked is as follows: comprise supercrust and photothermal reflectance type coating, it is in the brushing of supercrust upper surface or be coated with photothermal reflectance type coating, in photothermal reflectance type coating upper surface spreading antiskid aggregate lift.
The utility model, described supercrust can be newly-built asphalt concrete pavements, also can be the old asphalt concrete road surfaces; Bituminous concrete can be the concrete structure of different grading types, as close-graded road surface, macrovoid drainage road.
The utility model, photothermal reflectance type coating is mixed together at normal temperatures by materials such as matrix resin material, high heat reflection fillers.
Antiskid aggregate lift of the present utility model adopts materials such as haydite, carborundum.
The utility model can be in existing existing asphalt concrete pavement or newly-built asphalt concrete pavement external coating or spraying, reduce the road surface caloric receptivity, reduce pavement temperature by increasing road table reflectivity, reduce the rut disease, have significant social and economic benefit, this pavement construction is easy simultaneously, curing time, is short, in time open to traffic.
Four, description of drawings
Further specify the utility model below in conjunction with accompanying drawing
Accompanying drawing is the utility model road structure schematic cross-sectional view.
Among the figure: 1-supercrust 2-photothermal reflectance type coating 3-antiskid aggregate lift
Five, the specific embodiment
As shown in drawings, adopt materials such as matrix resin, high heat reflection filler to mix stirring at normal temperatures, be prepared into photothermal reflectance section bar material, through the brushing or be sprayed on build or newly-built concrete pavement layer 1 upper epidermis on, form photothermal reflectance type coating 2, in photothermal reflectance type coating 2 upper surface spreading antiskid aggregate lift 3, obtain photothermal reflectance type asphalt concrete pavement structure by the short time health.
Claims (1)
1. photothermal reflectance type asphalt concrete pavement structure that reduces pavement temperature, comprise supercrust (1) and photothermal reflectance type coating (2), it is characterized in that in supercrust (1) upper surface brushing or be coated with photothermal reflectance type coating (2), (2) surperficial spreading antiskid aggregate lift (3) on photothermal reflectance type coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202067015U CN201517191U (en) | 2009-10-19 | 2009-10-19 | Photo-thermal reflection type asphalt concrete pavement structure for reducing temperature of pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202067015U CN201517191U (en) | 2009-10-19 | 2009-10-19 | Photo-thermal reflection type asphalt concrete pavement structure for reducing temperature of pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517191U true CN201517191U (en) | 2010-06-30 |
Family
ID=42497912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202067015U Expired - Fee Related CN201517191U (en) | 2009-10-19 | 2009-10-19 | Photo-thermal reflection type asphalt concrete pavement structure for reducing temperature of pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517191U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908590A (en) * | 2016-03-28 | 2016-08-31 | 韦积分 | Bituminous pavement cooling method |
| CN108977095A (en) * | 2018-07-16 | 2018-12-11 | 东南大学 | A kind of bituminous pavement heat-reflective coating with multi-layer structure and preparation method thereof |
| CN114032732A (en) * | 2021-11-22 | 2022-02-11 | 北京愚公道路养护有限公司 | Bend braking performance test road surface and construction method thereof |
-
2009
- 2009-10-19 CN CN2009202067015U patent/CN201517191U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908590A (en) * | 2016-03-28 | 2016-08-31 | 韦积分 | Bituminous pavement cooling method |
| CN105908590B (en) * | 2016-03-28 | 2018-06-08 | 韦积分 | The cool-down method of bituminous paving |
| CN108977095A (en) * | 2018-07-16 | 2018-12-11 | 东南大学 | A kind of bituminous pavement heat-reflective coating with multi-layer structure and preparation method thereof |
| CN114032732A (en) * | 2021-11-22 | 2022-02-11 | 北京愚公道路养护有限公司 | Bend braking performance test road surface and construction method thereof |
| CN114032732B (en) * | 2021-11-22 | 2023-09-19 | 北京愚公道路养护有限公司 | Bend brake test pavement and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20121019 |