CN204530364U - The complete thick formula revived structure of semi-rigid asphalt pavement - Google Patents
The complete thick formula revived structure of semi-rigid asphalt pavement Download PDFInfo
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- CN204530364U CN204530364U CN201520138296.3U CN201520138296U CN204530364U CN 204530364 U CN204530364 U CN 204530364U CN 201520138296 U CN201520138296 U CN 201520138296U CN 204530364 U CN204530364 U CN 204530364U
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Abstract
The utility model provides the complete thick formula revived structure of a kind of semi-rigid asphalt pavement, and complete thick formula revived structure comprises hot in-plant reclaimed upper layer, hot in-plant reclaimed middle surface layer, cold in-plant recycling cutting optimal, recycled cement stabilized macadam base, recycled cement stabilization gravel subbase and regeneration bed course from top to bottom successively.Waste and old ground surface material recycling utilization is applied to road infrastructure construction and maintenance by revived structure of the present utility model, whole semi-rigid base asphalt pavement structure is turned waste into wealth, form the industrial chain that meets Mode of Circular, waste and scrap can be avoided to pile be rivals in a contest appropriation of land and the pollution to environment, can reduce building stones, pitch, the demand of cement, and attenuating is built the road, maintain road cost, improve the level of resources utilization, to reduce the loss waste, at utmost to reduce resource consumption, create economic benefit large as far as possible, realize scientific development, be of great practical significance.
Description
Technical field
The utility model relates to asphalt highway structure, more specifically, relates to the complete thick formula revived structure of a kind of semi-rigid asphalt pavement.
Background technology
Highway in China its construction level is rapidly developed in recent years, present stage highway in China late maintaining technical level also backwardness relatively, the road maintenance technique adopted at present mainly contains and overlays or dig reconstruction.Overlay can make grade elevation lifting, and road structure is complicated, makes later period maintenance inconvenience; Overhaul to rebuild in work progress, produce a large amount of discarded old material on the one hand, cause material resources to waste, on the other hand discarded old material land occupation resource, exhaustive exploitation stone ore causes the environmental disruptions such as soil erosion.
In Department of Transportation's highway maintenance " 12 " development outline, require that the waste and old ground surface material cyclic utilization rate of national highway maintenance reaches 40%, the waste and old ground surface material cyclic utilization rate of Trunk highway highway reaches 70%; The waste and old ground surface material cyclic utilization rate of speedway reaches 100%.Therefore China's flexible pavement late maintaining, maintenance and reconstruction work are faced with arduous challenge, therefore need study from aspects such as technology, material, techniques for flexible pavement, propose and adopt scientific and reasonable method to improve flexible pavement quality, extend its application life, reduce costs and economize on resources.The urgent task faced at present adopts suitable new material, new technology, new construction, carries out scientific and rational maintenance, improves pavement quality, extend its application life.
China Higher level highway, especially the road surface of speedway is mostly Semi rigid bituminous surface structure, and namely surface layer adopts asphalt mixture material, and basic unit, subbase adopt the semi-rigid materials such as cement stabilized type, lime stabilization class, industrial residue Stabilized.Regeneration techniques for this type of road surface mainly concentrates on surface layer, little to the regeneration of basic unit, subbase, small part basic unit and the utilization of subbase are also used in combination after milling together with surface layer, therefore lack and to become more meticulous regeneration to each structure of Semi rigid bituminous surface.
Utility model content
For Problems existing in correlation technique, the purpose of this utility model is to provide a kind of semi-rigid asphalt pavement complete thick formula revived structure, is applied in road infrastructure construction and maintenance at least to realize waste and old ground surface material recycling utilization.
For achieving the above object, the utility model provides the complete thick formula revived structure of a kind of semi-rigid asphalt pavement, and this complete thick formula revived structure comprises hot in-plant reclaimed upper layer, hot in-plant reclaimed middle surface layer, cold in-plant recycling cutting optimal, recycled cement stabilized macadam base, recycled cement stabilization gravel subbase and regeneration bed course from top to bottom successively.
According to the utility model, the salvage material of hot in-plant reclaimed upper layer, hot in-plant reclaimed middle surface layer, cold in-plant recycling cutting optimal, recycled cement stabilized macadam base, recycled cement stabilization gravel subbase and regeneration bed course all derives from old asphalt pavement deck.
According to the utility model, the surface material of old asphalt pavement deck reclaims the material as hot in-plant reclaimed upper layer, hot in-plant reclaimed middle surface layer and cold in-plant recycling cutting optimal, and the semi-rigid type base of old asphalt pavement deck and subbase course material reclaim as recycled cement stabilized macadam base, recycled cement stabilization gravel subbase and regenerate gathering materials of bed course.
According to the utility model, hot in-plant reclaimed upper layer thickness is 3 ~ 6cm.
According to the utility model, hot in-plant reclaimed middle surface thickness is 4 ~ 8cm.
According to the utility model, cold in-plant recycling cutting optimal thickness is 8 ~ 16cm.
According to the utility model, recycled cement stabilized macadam base thickness is 15 ~ 40cm.
According to the utility model, recycled cement stabilization gravel subbase thickness is 15 ~ 25cm.
According to the utility model, regeneration cushion thickness is 15 ~ 20cm.
Advantageous Effects of the present utility model is:
Waste and old ground surface material recycling utilization is applied to road infrastructure construction and maintenance by revived structure of the present utility model, whole semi-rigid base asphalt pavement structure is turned waste into wealth, form the industrial chain that meets Mode of Circular, waste and scrap can be avoided to pile be rivals in a contest appropriation of land and the pollution to environment, can reduce building stones, pitch, the demand of cement, and attenuating is built the road, maintain road cost, improve the level of resources utilization, to reduce the loss waste, at utmost to reduce resource consumption, create economic benefit large as far as possible, realize scientific development, be of great practical significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model revived structure.
Detailed description of the invention
Referring now to accompanying drawing, the complete thick formula revived structure of semi-rigid asphalt pavement of the present utility model is described.
As shown in Figure 1, be the structural representation of the utility model revived structure embodiment.Particularly, this complete thick formula revived structure comprises hot in-plant reclaimed upper layer 1, hot in-plant reclaimed middle surface layer 2, cold in-plant recycling cutting optimal 3, recycled cement stabilized macadam base 4, recycled cement stabilization gravel subbase 5 and regeneration bed course 6 from top to bottom successively.In other words, above-mentioned each layer is mutually stacked, thus forms the complete thick formula revived structure of semi-rigid asphalt pavement.
Particularly, in a preferred embodiment, the salvage material of hot in-plant reclaimed upper layer 1, hot in-plant reclaimed middle surface layer 2, cold in-plant recycling cutting optimal 3, recycled cement stabilized macadam base 4, recycled cement stabilization gravel subbase 5 and regeneration bed course 6 all derives from old asphalt pavement deck.
In addition, in a preferred embodiment, the surface material of above-mentioned old asphalt pavement deck reclaims the material as hot in-plant reclaimed upper layer 1, hot in-plant reclaimed middle surface layer 2 and cold in-plant recycling cutting optimal 3; And the semi-rigid type base of old asphalt pavement deck and subbase course material reclaim as recycled cement stabilized macadam base 4, recycled cement stabilization gravel subbase 5 and regenerate gathering materials of bed course 6.
In an alternate embodiment of the invention, the thickness of hot in-plant reclaimed upper layer 1 can be 3 ~ 6cm, and the constituent of hot in-plant reclaimed upper layer 1 can comprise modified bitumen, newly gathers materials, waste asphalt pavement material (RAP).Wherein, RAP and the mixture proportion newly gathered materials can be 10:90 ~ 30:70.
In further alternative embodiment, the thickness of hot in-plant reclaimed middle surface layer 2 can be 4 ~ 8cm, and the constituent of hot in-plant reclaimed middle surface layer 2 can comprise modified bitumen, newly gathers materials, waste asphalt pavement material (RAP).Wherein, RAP and the mixture proportion newly gathered materials can be 10:90 ~ 50:50.
In addition, the thickness of cold in-plant recycling cutting optimal 3 can be 8 ~ 16cm, and the constituent of cold in-plant recycling cutting optimal 3 can comprise foamed asphalt or mulseal, cement, waste asphalt pavement material (RAP).
Optionally, the thickness of recycled cement stabilized macadam base 4 can be 15 ~ 40cm, and the constituent of recycled cement stabilized macadam base 4 can comprise cement, recycled coarse aggregate, recycled fine aggregate and water.Wherein, cement is portland cement or the Portland cement of label 32.5, and the percentage by weight of this cement can be 6% ~ 8%.
In addition, the thickness of recycled cement stabilization gravel subbase 5 can be 15 ~ 25cm, and the constituent of recycled cement stabilization gravel subbase 5 can comprise cement, recycled coarse aggregate, recycled fine aggregate and water.Wherein, cement is portland cement or the Portland cement of label 32.5, and the percentage by weight of cement can be 3% ~ 6%.
The thickness of regeneration bed course 6 can be 15 ~ 20cm, and the constituent regenerating bed course 6 can comprise cement, recycled coarse aggregate, recycled fine aggregate and water.Wherein, cement is portland cement or the Portland cement of label 32.5, and the percentage by weight of cement is 3% ~ 5%.
Certainly should be appreciated that above-mentioned various thickness, selection and percentage by weight all can be determined according to concrete service condition, the utility model is not limited to this.
In sum, waste and old ground surface material recycling utilization is applied to road infrastructure construction and maintenance by revived structure of the present utility model, whole semi-rigid base asphalt pavement structure is turned waste into wealth, form the industrial chain that meets Mode of Circular, waste and scrap can be avoided to pile be rivals in a contest appropriation of land and the pollution to environment, can reduce building stones, pitch, the demand of cement, and attenuating is built the road, maintain road cost, improve the level of resources utilization, to reduce the loss waste, at utmost to reduce resource consumption, create economic benefit large as far as possible, realize scientific development, be of great practical significance.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. the complete thick formula revived structure of semi-rigid asphalt pavement, it is characterized in that, described complete thick formula revived structure comprises hot in-plant reclaimed upper layer (1), hot in-plant reclaimed middle surface layer (2), cold in-plant recycling cutting optimal (3), recycled cement stabilized macadam base (4), recycled cement stabilization gravel subbase (5) and regeneration bed course (6) from top to bottom successively.
2. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 1, it is characterized in that, the salvage material of described hot in-plant reclaimed upper layer (1), described hot in-plant reclaimed middle surface layer (2), described cold in-plant recycling cutting optimal (3), described recycled cement stabilized macadam base (4), described recycled cement stabilization gravel subbase (5) and described regeneration bed course (6) all derives from old asphalt pavement deck.
3. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 2, it is characterized in that, the surface material of described old asphalt pavement deck reclaims the material as described hot in-plant reclaimed upper layer (1), described hot in-plant reclaimed middle surface layer (2) and described cold in-plant recycling cutting optimal (3), and the semi-rigid type base of described old asphalt pavement deck and subbase course material reclaimed as described recycled cement stabilized macadam base (4), the gathering materials of described recycled cement stabilization gravel subbase (5) and described regeneration bed course (6).
4. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 1, is characterized in that, described hot in-plant reclaimed upper layer (1) thickness is 3 ~ 6cm.
5. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 1, is characterized in that, described hot in-plant reclaimed middle surface layer (2) thickness is 4 ~ 8cm.
6. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 1, is characterized in that, described cold in-plant recycling cutting optimal (3) thickness is 8 ~ 16cm.
7. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 1, is characterized in that, described recycled cement stabilized macadam base (4) thickness is 15 ~ 40cm.
8. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 1, is characterized in that, described recycled cement stabilization gravel subbase (5) thickness is 15 ~ 25cm.
9. the complete thick formula revived structure of semi-rigid asphalt pavement according to claim 1, is characterized in that, described regeneration bed course (6) thickness is 15 ~ 20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138296.3U CN204530364U (en) | 2015-03-11 | 2015-03-11 | The complete thick formula revived structure of semi-rigid asphalt pavement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520138296.3U CN204530364U (en) | 2015-03-11 | 2015-03-11 | The complete thick formula revived structure of semi-rigid asphalt pavement |
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| CN204530364U true CN204530364U (en) | 2015-08-05 |
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| CN201520138296.3U Expired - Fee Related CN204530364U (en) | 2015-03-11 | 2015-03-11 | The complete thick formula revived structure of semi-rigid asphalt pavement |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896221A (en) * | 2017-02-28 | 2017-06-27 | 四川理工学院 | A kind of asphalt-regenerating concrete road surface experimental rig |
| CN107059528A (en) * | 2016-12-23 | 2017-08-18 | 广西壮族自治区浦北公路管理局 | Cement concrete pavement regeneration method for repairing and mending |
| CN109322225A (en) * | 2018-10-24 | 2019-02-12 | 山东省交通科学研究院 | A kind of multi-layer recycled functional layer drainage crack resistance type asphalt pavement maintenance structure |
| CN110205895A (en) * | 2019-04-19 | 2019-09-06 | 河南省交通科学技术研究院有限公司 | A kind of green low-carbon environment-friendly type road structure using regrown material |
| CN113430881A (en) * | 2021-01-14 | 2021-09-24 | 绍兴文理学院 | Regenerated roadbed laying method based on solid waste full utilization |
-
2015
- 2015-03-11 CN CN201520138296.3U patent/CN204530364U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059528A (en) * | 2016-12-23 | 2017-08-18 | 广西壮族自治区浦北公路管理局 | Cement concrete pavement regeneration method for repairing and mending |
| CN106896221A (en) * | 2017-02-28 | 2017-06-27 | 四川理工学院 | A kind of asphalt-regenerating concrete road surface experimental rig |
| CN106896221B (en) * | 2017-02-28 | 2019-04-16 | 四川理工学院 | A kind of pitch Recycled concrete pavement experimental rig |
| CN109322225A (en) * | 2018-10-24 | 2019-02-12 | 山东省交通科学研究院 | A kind of multi-layer recycled functional layer drainage crack resistance type asphalt pavement maintenance structure |
| CN110205895A (en) * | 2019-04-19 | 2019-09-06 | 河南省交通科学技术研究院有限公司 | A kind of green low-carbon environment-friendly type road structure using regrown material |
| CN110205895B (en) * | 2019-04-19 | 2021-08-20 | 河南省交通科学技术研究院有限公司 | Green low-carbon environment-friendly road structure adopting recycled materials |
| CN113430881A (en) * | 2021-01-14 | 2021-09-24 | 绍兴文理学院 | Regenerated roadbed laying method based on solid waste full utilization |
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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: 20150805 Termination date: 20160311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |