CN115162090A - Compaction method for asphalt pavement - Google Patents
Compaction method for asphalt pavement Download PDFInfo
- Publication number
- CN115162090A CN115162090A CN202210921757.9A CN202210921757A CN115162090A CN 115162090 A CN115162090 A CN 115162090A CN 202210921757 A CN202210921757 A CN 202210921757A CN 115162090 A CN115162090 A CN 115162090A
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- CN
- China
- Prior art keywords
- pavement
- asphalt
- compacting
- atomized
- slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005056 compaction Methods 0.000 title claims abstract description 30
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 10
- 238000011049 filling Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 4
- 239000011384 asphalt concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
-
- 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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention relates to a compaction method of an asphalt pavement, which comprises the following steps: cleaning the pavement; filling slurry into the gap of the road surface, and scraping the road surface; and atomizing and spraying asphalt on the pavement, scraping the pavement, and drying to form a compacted pavement. The invention effectively solves the problem of insufficient compaction degree of the asphalt pavement in the road construction process, and the loose gaps of the asphalt pavement are filled to compact the asphalt pavement, so that the pavement structure is enhanced, the service life and the attractiveness of the pavement structure are improved, the quality defect is eliminated, and the construction quality is improved.
Description
Technical Field
The invention relates to the field of road construction, in particular to a compaction method of an asphalt pavement.
Background
Along with the continuous development of urban traffic, urban expressways, main roads, secondary roads and branches are mostly asphalt concrete surface courses, and the asphalt concrete surface courses have better high-temperature stability, low-temperature crack resistance, water stability and fatigue resistance, are the most common road surface course materials at present, but have some problems in the construction process: in the pavement paving process, manual auxiliary paving is needed, the virtual paving coefficients of the manual paving and mechanical paving are different, the manual paving is loose, and the conditions of local segregation and insufficiently dense appearance are easy to occur after compaction; if the pavement is paved continuously by adopting the hot joint, the compaction is not timely due to construction reasons, and the surface loosening phenomenon easily occurs at the joint position; inspection shaft, curb are peripheral owing to road roller operation reason, should not carry out whole rolling, generally adopt artifical rammer mechanical compaction, but whole compaction effect obviously is less than road roller rolling effect, and the surface is loose, not closely knit.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a compaction method of an asphalt pavement, which solves the problem of insufficient compaction of the asphalt pavement in the road construction process, and the loose gaps of the asphalt pavement are filled to compact the asphalt pavement, so that the pavement structure is enhanced, the service life and the attractiveness of the pavement structure are improved, the quality defects are eliminated, and the construction quality is improved.
The technical scheme for realizing the purpose is as follows:
the invention provides a compaction method of an asphalt pavement, which comprises the following steps:
cleaning the pavement;
filling slurry into the gap of the road surface, and scraping the road surface;
and atomizing and spraying asphalt on the pavement, scraping the pavement, and drying to form a compacted pavement.
The invention adopts the compaction method of the asphalt pavement, fills the gaps of the pavement by using the slurry, atomizes and sprays the asphalt to the pavement after the pavement is scraped, scrapes the pavement, and forms the compacted pavement after drying, thereby solving the problem of insufficient compaction degree of the asphalt pavement in the road construction process.
The compaction method of the asphalt pavement of the invention is further improved in that when the pavement is cleaned, the compaction method also comprises the following steps:
and removing silt in the gap of the road surface.
The compaction method of the asphalt pavement of the invention is further improved in that when the slurry is filled, the compaction method also comprises the following steps:
mixing and stirring carborundum and modified asphalt to form viscous slurry, and filling the slurry into gaps of the road surface.
The compaction method of the asphalt pavement is further improved in that the atomized and sprayed asphalt is modified emulsified asphalt.
The compaction method of the asphalt pavement is further improved in that the asphalt is atomized and sprayed on the pavement for less than or equal to three times, and the pavement is scraped after each atomized and sprayed asphalt.
The compaction method of the asphalt pavement is further improved in that the asphalt distributor is used for atomizing and spraying.
The compaction method of the asphalt pavement is further improved in that atomization spraying is carried out by using an atomizer.
The compaction method of the asphalt pavement is further improved in that the pavement is scraped by using a flat soft rake.
The compaction method of the asphalt pavement is further improved in that the pavement is scraped by a mechanical soft rake.
The compaction method of the asphalt pavement is further improved in that the pavement is atomized, sprayed with asphalt, and scraped to be flat, and then naturally leaked, air-dried, demulsified and dried to form the compacted pavement.
Drawings
Fig. 1 is a schematic view of an initial state of a road surface.
FIG. 2 is a schematic view showing a state after grouting and leveling in the compaction method for asphalt pavement according to the present invention.
FIG. 3 is a schematic view of the asphalt compacted by the method of the present invention after being sprayed and screeded.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a compaction method of an asphalt pavement, which comprises the steps of filling gaps of the pavement with slurry, further leveling, spraying asphalt to the pavement in an atomized manner, leveling the pavement, and drying to form a compacted pavement, so that the problem of insufficient compaction of the asphalt pavement in the road construction process is solved, and the asphalt pavement is compacted by filling the gaps of the loose asphalt pavement, so that the pavement structure is enhanced, the service life and the attractiveness of the pavement structure are prolonged, the quality defect is eliminated, and the construction quality is improved. The method for compacting the asphalt pavement according to the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic view illustrating an initial state of a road surface. The method for compacting the asphalt pavement according to the present invention will be described with reference to FIG. 1.
Referring to fig. 1 to 3, the method for compacting an asphalt pavement according to the present invention comprises the following steps:
cleaning the pavement;
filling slurry into the gap of the road surface, and scraping the road surface;
and atomizing and spraying asphalt on the pavement, scraping the pavement, and drying to form a compacted pavement.
Specifically, the asphalt spraying vehicle is used for atomizing and spraying.
Specifically, the atomizing spray is carried out by utilizing an atomizer.
Preferably, the road surface is screeded with a flat soft rake.
Preferably, the road surface is screeded by a mechanical soft rake.
Furthermore, after the road surface is atomized, sprayed with asphalt and stricken off, the road surface is naturally leaked, air-dried, demulsified and dried, so that a compacted road surface is formed.
As a preferred embodiment of the present invention, when cleaning a road surface, the method further includes:
and removing silt in the gaps of the pavement.
Further, when the slurry is filled, the method further comprises the following steps:
the carborundum and the modified asphalt are mixed and stirred to form viscous slurry, and the slurry is filled in gaps of the road surface.
Specifically, the atomized asphalt is modified emulsified asphalt.
And further, spraying asphalt on the road surface in an atomizing mode for less than or equal to three times, and scraping the road surface after spraying the asphalt in an atomizing mode every time, namely spraying a layer of scraping layer.
The concrete construction mode of the compaction method of the asphalt pavement of the invention is as follows:
thoroughly cleaning the pavement to avoid silt existing in the gap of the original asphalt pavement, wherein the pavement has a larger gap as shown in figure 1;
after the pavement is cleaned, the carborundum and the modified asphalt are stirred according to the mixing ratio to be in a viscous state, the cleaned pavement is subjected to crack pouring by utilizing the slurry to fill gaps of the pavement, and a flat soft rake or a mechanical soft rake is used for scraping to ensure that the slurry is uniformly and completely filled, the surface of the crack-poured pavement is flat, the pavement is in a structure below a parting line in the figure 2, and an unfilled part is arranged above the parting line;
after the crack pouring of the road surface is finished, after the slurry is cooled, atomizing and spraying modified emulsified asphalt by using an atomizer or an asphalt spraying vehicle to enable the road surface to be uniformly stained with asphalt, wherein the spraying times are determined according to the actual conditions on site and generally do not exceed three times, a flat soft rake or a mechanical soft rake is adopted to strike off after each atomizing and spraying to ensure the uniformity of the asphalt, after the asphalt construction is finished, the compressed road surface is formed after natural leakage, air drying, emulsion breaking and drying of the road surface, and the traffic can be opened, wherein the road surface at the moment is as shown in figure 3.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A compaction method for asphalt pavements is characterized by comprising the following steps:
cleaning the pavement;
filling slurry into the gap of the pavement and leveling the pavement;
and atomizing and spraying asphalt on the pavement, scraping the pavement, and drying to form a compacted pavement.
2. The method of compacting an asphalt pavement according to claim 1, further comprising, when cleaning the pavement:
and removing silt at the gap of the pavement.
3. The method of compacting an asphalt pavement according to claim 1, further comprising, when filling the slurry:
mixing and stirring carborundum and modified asphalt to form viscous slurry, and filling the slurry into gaps of the pavement.
4. A method for compacting an asphalt pavement according to claim 1, wherein the atomized asphalt is a modified emulsified asphalt.
5. A method for compacting an asphalt pavement according to claim 1, wherein the asphalt is atomized and sprayed onto the pavement three times or less and the pavement is screeded after each atomized and sprayed asphalt.
6. A method of compacting asphalt pavements according to claim 1, characterized in that the atomized spray is carried out by means of an asphalt distributor.
7. A method for compacting asphalt pavements according to claim 1, wherein the atomizing spray is carried out by means of an atomizer.
8. A method of compacting an asphalt pavement according to claim 1, wherein the pavement is screeded with a flat soft rake.
9. A method of compacting an asphalt pavement according to claim 1, characterized in that said pavement is screeded with a mechanical soft rake.
10. The method of compacting asphalt pavement according to claim 1, wherein the pavement is atomized, sprayed with asphalt, screeded, naturally leaked, air dried, demulsified, and dried to form a compacted pavement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921757.9A CN115162090A (en) | 2022-08-02 | 2022-08-02 | Compaction method for asphalt pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921757.9A CN115162090A (en) | 2022-08-02 | 2022-08-02 | Compaction method for asphalt pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115162090A true CN115162090A (en) | 2022-10-11 |
Family
ID=83477524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210921757.9A Pending CN115162090A (en) | 2022-08-02 | 2022-08-02 | Compaction method for asphalt pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115162090A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444067A (en) * | 2011-10-31 | 2012-05-09 | 华南理工大学 | Composite seal coat for pavement maintenance |
| CN104179107A (en) * | 2014-08-22 | 2014-12-03 | 长安大学 | Oil enhanced fog seal material for asphalt pavement and preparation method and construction method of oil enhanced fog seal material |
| CN105421185A (en) * | 2015-11-09 | 2016-03-23 | 重庆诚邦路面材料有限公司 | Fine surface treatment method for double-layer spread type bituminous pavement |
| CN108914748A (en) * | 2018-07-26 | 2018-11-30 | 江苏增光复合材料科技有限公司 | A kind of road surface construction grout sealing technique |
| CN112030658A (en) * | 2020-07-23 | 2020-12-04 | 南京兴佑交通科技有限公司 | Preventive maintenance method for pavement |
| CN112408860A (en) * | 2020-11-04 | 2021-02-26 | 广东中和正通工程技术有限公司 | Asphalt concrete and application thereof |
-
2022
- 2022-08-02 CN CN202210921757.9A patent/CN115162090A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444067A (en) * | 2011-10-31 | 2012-05-09 | 华南理工大学 | Composite seal coat for pavement maintenance |
| CN104179107A (en) * | 2014-08-22 | 2014-12-03 | 长安大学 | Oil enhanced fog seal material for asphalt pavement and preparation method and construction method of oil enhanced fog seal material |
| CN105421185A (en) * | 2015-11-09 | 2016-03-23 | 重庆诚邦路面材料有限公司 | Fine surface treatment method for double-layer spread type bituminous pavement |
| CN108914748A (en) * | 2018-07-26 | 2018-11-30 | 江苏增光复合材料科技有限公司 | A kind of road surface construction grout sealing technique |
| CN112030658A (en) * | 2020-07-23 | 2020-12-04 | 南京兴佑交通科技有限公司 | Preventive maintenance method for pavement |
| CN112408860A (en) * | 2020-11-04 | 2021-02-26 | 广东中和正通工程技术有限公司 | Asphalt concrete and application thereof |
Non-Patent Citations (10)
| Title |
|---|
| 严任苗, 合肥大业大学出版社 * |
| 叶新军;王永维;彭磊;何文敏;高妮;夏雨;高嘉骏;: "含砂雾封层耐磨耗性影响因素合理控制范围试验分析" * |
| 安芳;: "浅谈沥青路面预防性养护" * |
| 平树江;郭勇;郭盛;薄占顺;崔坤荣;: "沥青路面含砂雾封层预防性养护技术工程应用研究" * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221011 |