CN204162965U - A kind of asphalt pavement structure being applicable to high temperature difference area - Google Patents
A kind of asphalt pavement structure being applicable to high temperature difference area Download PDFInfo
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- CN204162965U CN204162965U CN201420476299.3U CN201420476299U CN204162965U CN 204162965 U CN204162965 U CN 204162965U CN 201420476299 U CN201420476299 U CN 201420476299U CN 204162965 U CN204162965 U CN 204162965U
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- bituminous mixture
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- asphalt
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Abstract
The utility model discloses a kind of asphalt pavement structure being applicable to high temperature difference area, be made up of surface layer in base course, bituminous mixture cutting optimal, High Modulus Asphalt Mixture and phase-change material bituminous mixture upper layer successively from bottom to up, cohered by phase transformation bituminous material adhesion coating between surface layer in phase-change material bituminous mixture upper layer and High Modulus Asphalt Mixture and form; Bituminous mixture cutting optimal is formed by pitch, coarse aggregate, fines, inserts and lignose mixing manufacture; Phase-change material bituminous mixture upper layer is AC bituminous mixture, SMA bituminous mixture or the manufacture of OGFC bituminous mixture form; Be provided with three-dimensional honeycomb lamina reticularis between surface layer and bituminous mixture cutting optimal in High Modulus Asphalt Mixture, three-dimensional honeycomb lamina reticularis is by glass fiber or Polyester Fibers is netted works out.The utility model effectively solves asphalt pavement warm degree disease, meets the pavement performance that flexible pavement is good, extends flexible pavement application life.
Description
Technical field
The utility model belongs to field of road, relates to asphalt pavement structure, particularly relates to a kind of asphalt pavement structure being applicable to high temperature difference area.
Background technology
Flexible pavement has good road-ability due to it, the feature such as is easy to repair, initial stage cost is low and is applied gradually, but Pavement Low crack, high temperature rut disease are never effectively solved, the high temperature of flexible pavement, low temperature damage problem are main relevant with material to traffic loading, environment temperature and road structure.The areas such as Xinjiang of China, Qinghai, North Shaanxi, North of Shanxi, summer in the winter temperature difference is large, and day and night temperature is large, and especially can reach 80 DEG C in some areas winter summer temperature difference, winter, day and night temperature can reach 20 ~ 25 DEG C.Summer high temperature easily causes asphalt pavement rut disease, and winter low temperature easily causes flexible pavement shrinkage cracking, and then causes road surface Moisture Damage in rainy season summer in autumn, causes road surface generating function to destroy.
In highway construction research process, environment temperature belongs to unmanageable factor, Chinese scholars is many to be addressed because pavement temperature changes the disease caused from raising bituminous mixture pavement performance in particular circumstances, such as propose modified bitumen, add fiber, optimize the technical schemes such as grating, these " passive type " measures solve the temperature disease problem in some areas, but in high temperature difference area, these " passive type " measures to flexible pavement temperature disease to extenuate effect extremely not obvious.The people such as Wuhan University of Technology Hu Shuguang, Ding Qingjun disclose a kind of preparation method of phase change asphalt pavement material, for improving flexible pavement high-temperature stability.The anti-rut behavior of flexible pavement is the functional major embodiment of middle surface layer, only develop the high temperature anti-rut behavior that phase change asphalt pavement material tentatively can only improve flexible pavement, the anti-rut behavior of surface layer in not improving, will be difficult to the high-temperature stability improving flexible pavement efficiently.In addition, if the middle surface layer of the high anti-rut behavior of simple use, at low ambient temperatures, pavement cracking problem will increase.
Utility model content
For the weak point that prior art exists, the purpose of this utility model is to provide a kind of asphalt pavement structure being applicable to high temperature difference area, this road structure comprehensively makes full use of the anti-rut behavior of phase change asphalt pavement material temp regulating function and high-modulus compound, effective solution asphalt pavement warm degree disease, meet the pavement performance that flexible pavement is good, extend flexible pavement application life, reduce maintenance cost.
The purpose of this utility model is achieved through the following technical solutions:
A kind of asphalt pavement structure being applicable to high temperature difference area, be made up of surface layer in base course, bituminous mixture cutting optimal, High Modulus Asphalt Mixture and phase-change material bituminous mixture upper layer successively from bottom to up, cohered by phase transformation bituminous material adhesion coating between surface layer in described phase-change material bituminous mixture upper layer and High Modulus Asphalt Mixture and form;
Described bituminous mixture cutting optimal is formed by bituminous mixture manufacture, and described bituminous mixture is formed by pitch, coarse aggregate, fines, inserts and lignose mixing manufacture;
In described High Modulus Asphalt Mixture, surface layer is formed by high-modulus asphalt concrete manufacture;
Described phase-change material bituminous mixture upper layer is AC bituminous mixture, SMA bituminous mixture or the manufacture of OGFC bituminous mixture form;
Be provided with three-dimensional honeycomb lamina reticularis between surface layer and bituminous mixture cutting optimal in described High Modulus Asphalt Mixture, described three-dimensional honeycomb lamina reticularis is by glass fiber or Polyester Fibers is netted works out.
In order to realize the utility model better, described phase transformation bituminous material adhesion coating inside is filled and is provided with FRP canvas cloth, this FRP canvas cloth is conducive to the water resistance strengthening phase transformation bituminous material adhesion coating, allows the moisture in phase-change material bituminous mixture upper layer be not easy to enter into High Modulus Asphalt Mixture surface layer.
Preferably, the thickness proportion in described phase-change material bituminous mixture upper layer, High Modulus Asphalt Mixture between surface layer and plain asphalt compound cutting optimal three is 4:(5 ~ 8): (6 ~ 12).
The utility model provides a kind of preferred phase transformation bituminous material adhesion coating technical scheme to be: the spread quantity of described phase transformation bituminous material adhesion coating is 0.1 ~ 0.3L/ ㎡.
As preferably, the thickness proportion in described phase-change material bituminous mixture upper layer, High Modulus Asphalt Mixture between surface layer and plain asphalt compound cutting optimal three is 4:5:6.
As preferably, the thickness proportion in described phase-change material bituminous mixture upper layer, High Modulus Asphalt Mixture between surface layer and plain asphalt compound cutting optimal three is 4:8:12.
The utility model preferred three-dimensional honeycomb lamina reticularis structure technology scheme is: the thickness of described three-dimensional honeycomb lamina reticularis is 4 ~ 8cm.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) the utility model takes full advantage of the temperature adjusting performance of phase change asphalt pavement material and the anti-rut behavior of High Modulus Asphalt Mixture, do not need special construction technology, to high temperature difference environment local highway and conventional section, all there is good compliance, thoroughly can solve flexible pavement high temperature rut and anti-low-temperature cracking harm.
(2) the utility model is provided with by glass fiber or the netted three-dimensional honeycomb lamina reticularis of working out of Polyester Fibers in High Modulus Asphalt Mixture between surface layer and bituminous mixture cutting optimal, this three-dimensional honeycomb lamina reticularis has the structural performance of high stable, can effectively prevent the surface deformation in high temperature difference situation from endangering.
(3) the utility model is filled in phase transformation bituminous material adhesion coating inside and is provided with FRP canvas cloth, this FRP canvas cloth is conducive to the water resistance strengthening phase transformation bituminous material adhesion coating, allows the moisture in phase-change material bituminous mixture upper layer be not easy to enter into High Modulus Asphalt Mixture surface layer.
Accompanying drawing explanation
Fig. 1 is using state schematic diagram of the present utility model;
Fig. 2 is structural representation of the present utility model.
Wherein, the name corresponding to the Reference numeral in accompanying drawing is called:
Above 1-phase-change material bituminous mixture, surface layer in 2-High Modulus Asphalt Mixture, 3-bituminous mixture cutting optimal, 4-phase transformation bituminous material adhesion coating, 5-base course, 5-three-dimensional honeycomb lamina reticularis.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail:
Embodiment
As shown in Fig. 1 ~ Fig. 2, a kind of asphalt pavement structure being applicable to high temperature difference area, be made up of surface layer 2 in base course 5, bituminous mixture cutting optimal 3, High Modulus Asphalt Mixture and phase-change material bituminous mixture upper layer 1 successively from bottom to up, cohered by phase transformation bituminous material adhesion coating 4 between surface layer 2 in phase-change material bituminous mixture upper layer 1 and High Modulus Asphalt Mixture and form;
The preferred bituminous mixture cutting optimal 3 of the present embodiment is formed by bituminous mixture manufacture, and described bituminous mixture is formed by pitch, coarse aggregate, fines, inserts and lignose mixing manufacture;
In the preferred High Modulus Asphalt Mixture of the present embodiment, surface layer 2 is formed by high-modulus asphalt concrete manufacture;
The present embodiment preferred phase-change material bituminous mixture upper layer 1 is that AC bituminous mixture, SMA bituminous mixture or the manufacture of OGFC bituminous mixture form;
As shown in Figure 2, in High Modulus Asphalt Mixture, be provided with three-dimensional honeycomb lamina reticularis 6 between surface layer 2 and bituminous mixture cutting optimal 3, three-dimensional honeycomb lamina reticularis 6 is by glass fiber or Polyester Fibers is netted works out.The thickness of the preferred three-dimensional honeycomb lamina reticularis 6 of the present embodiment is 4 ~ 8cm.
The present embodiment preferred phase transformation bituminous material adhesion coating 4 inside is filled and is provided with FRP canvas cloth, this FRP canvas cloth is conducive to the water resistance strengthening phase transformation bituminous material adhesion coating, allows the moisture in phase-change material bituminous mixture upper layer be not easy to enter into High Modulus Asphalt Mixture surface layer.
Thickness proportion in phase-change material bituminous mixture upper layer 1, High Modulus Asphalt Mixture between surface layer 2 and plain asphalt compound cutting optimal 3 three is 4:5 ~ 8:6 ~ 12.According to the asphalt pavement structure that aforementioned proportion is formed, the harm such as road surface high temperature rut and anti-low-temperature cracking can be solved.
According to above-mentioned ratio, a kind of proportionate relationship embodiment of the present embodiment is: the thickness proportion in phase-change material bituminous mixture upper layer 1, High Modulus Asphalt Mixture between surface layer 2 and plain asphalt compound cutting optimal 3 three is 4:5:6.
According to above-mentioned ratio, a kind of proportionate relationship embodiment of the present embodiment is: the thickness proportion in phase-change material bituminous mixture upper layer 1, High Modulus Asphalt Mixture between surface layer 2 and plain asphalt compound cutting optimal 3 three is 4:8:12.
The spread quantity of the present embodiment preferred phase transformation bituminous material adhesion coating 4 is 0.1 ~ 0.3L/ ㎡.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. one kind is applicable to the asphalt pavement structure in high temperature difference area, it is characterized in that: be made up of surface layer (2) and phase-change material bituminous mixture upper layer (1) in base course (5), bituminous mixture cutting optimal (3), High Modulus Asphalt Mixture successively from bottom to up, cohered by phase transformation bituminous material adhesion coating (4) between surface layer (2) in described phase-change material bituminous mixture upper layer (1) and High Modulus Asphalt Mixture and form;
Described bituminous mixture cutting optimal (3) is formed by bituminous mixture manufacture;
In described High Modulus Asphalt Mixture, surface layer (2) is formed by high-modulus asphalt concrete manufacture;
Described phase-change material bituminous mixture upper layer (1) is AC bituminous mixture, SMA bituminous mixture or the manufacture of OGFC bituminous mixture form;
Be provided with three-dimensional honeycomb lamina reticularis (6) between surface layer (2) and bituminous mixture cutting optimal (3) in described High Modulus Asphalt Mixture, described three-dimensional honeycomb lamina reticularis (6) is by glass fiber or Polyester Fibers is netted works out.
2. according to the asphalt pavement structure being applicable to high temperature difference area according to claim 1, it is characterized in that: described phase transformation bituminous material adhesion coating (4) inside is filled and is provided with FRP canvas cloth.
3. according to the asphalt pavement structure being applicable to high temperature difference area according to claim 1, it is characterized in that: the thickness proportion in described phase-change material bituminous mixture upper layer (1), High Modulus Asphalt Mixture between surface layer (2) and plain asphalt compound cutting optimal (3) three is 4:(5 ~ 8): (6 ~ 12).
4. according to the asphalt pavement structure being applicable to high temperature difference area according to claim 1, it is characterized in that: the spread quantity of described phase transformation bituminous material adhesion coating (4) is 0.1 ~ 0.3L/ ㎡.
5. according to the asphalt pavement structure being applicable to high temperature difference area according to claim 3, it is characterized in that: the thickness proportion in described phase-change material bituminous mixture upper layer (1), High Modulus Asphalt Mixture between surface layer (2) and plain asphalt compound cutting optimal (3) three is 4:5:6.
6. according to the asphalt pavement structure being applicable to high temperature difference area according to claim 3, it is characterized in that: the thickness proportion in described phase-change material bituminous mixture upper layer (1), High Modulus Asphalt Mixture between surface layer (2) and plain asphalt compound cutting optimal (3) three is 4:8:12.
7. according to the asphalt pavement structure being applicable to high temperature difference area according to claim 1, it is characterized in that: the thickness of described three-dimensional honeycomb lamina reticularis (6) is 4 ~ 8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476299.3U CN204162965U (en) | 2014-08-21 | 2014-08-21 | A kind of asphalt pavement structure being applicable to high temperature difference area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420476299.3U CN204162965U (en) | 2014-08-21 | 2014-08-21 | A kind of asphalt pavement structure being applicable to high temperature difference area |
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| CN204162965U true CN204162965U (en) | 2015-02-18 |
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| CN201420476299.3U Expired - Fee Related CN204162965U (en) | 2014-08-21 | 2014-08-21 | A kind of asphalt pavement structure being applicable to high temperature difference area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974892A (en) * | 2017-11-14 | 2018-05-01 | 唐华国 | A kind of environment protection pavement and its construction method |
| CN113882210A (en) * | 2021-08-19 | 2022-01-04 | 于洪岗 | Asphalt pavement structure with three-dimensional space honeycomb structure with zero Poisson effect |
-
2014
- 2014-08-21 CN CN201420476299.3U patent/CN204162965U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974892A (en) * | 2017-11-14 | 2018-05-01 | 唐华国 | A kind of environment protection pavement and its construction method |
| CN113882210A (en) * | 2021-08-19 | 2022-01-04 | 于洪岗 | Asphalt pavement structure with three-dimensional space honeycomb structure with zero Poisson effect |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20190821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |