CN207259897U - A kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair - Google Patents
A kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair Download PDFInfo
- Publication number
- CN207259897U CN207259897U CN201720548469.8U CN201720548469U CN207259897U CN 207259897 U CN207259897 U CN 207259897U CN 201720548469 U CN201720548469 U CN 201720548469U CN 207259897 U CN207259897 U CN 207259897U
- Authority
- CN
- China
- Prior art keywords
- pitch
- medium temperature
- towns
- cities
- asphalt
- 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.)
- Active
Links
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair, including set gradually from top to bottom medium temperature modified pitch wearing course, fill surface layer and original concrete layer in the medium temperature modified pitch of anti-rut agent, be equipped with modified emulsifying asphalt tack coat between each layer.It with good high-temperature stability, and can construct in the case of 100 120 DEG C, and there is good rammability, overcome high-modulus asphalt road surface in maintenance engineering due to being difficult to ensure that the problem of compactness that construction temperature is brought is insufficient.
Description
Technical field
It the utility model is related to town road construction technique field, and in particular to one kind is used for cities and towns asphalt pavement rut disease
The mid temperature pitch pavement structure that evil is repaired.
Background technology
The high temperature track on road surface always is one of Major Diseases of bituminous paving.Although dripped in the construction period using modified
The technological means such as blue or green, admixture anti-rut agent can delay the time that track occurs, but in part special road section, as bus zone,
The very serious track disease of the appearance that crossroad, Large Longitudinal Slope etc. are still difficult to avoid that, driving comfort to vehicle, even
Driving safety all brings very big influence.At present, the mode that track is repaired in town road is mainly new using being overlayed after milling
The mode of asphalt surface course, but there is problems with maintenance process.1) to improve the anti-rut behavior of mixture, frequently with
The technological means such as modified pitch, high-modulus asphalt, admixture anti-rut agent improve the high-temperature behavior of mixture, but modified mixing
Material generally requires the construction temperature of the execution conditions of higher, particularly higher, this brings very big inconvenience to maintenance engineering；2) due to
Maintenance is mainly above-mentioned special road section, and single quantities is smaller, therefore is difficult to large area do mechanization operation is unfolded during construction, therefore
Asphalt mixture warm is spent low when often resulting in construction, it is difficult to which grinding compacting, is easier track occur on the contrary after maintenance.
In view of the above problems, the utility model provides a kind of high-modulus asphalt pavement structure of medium temperature construction, it not only has
There is good high-temperature stability, and can construct in the case of 100-120 DEG C, and there is good rammability,
So as to overcome high-modulus asphalt road surface in maintenance engineering due to being difficult to ensure that the problem of compactness that construction temperature is brought is insufficient.
As a result of medium temperature construction technology, pitch mix and stir temperature and construction temperature is all relatively low, make pitch old during mixing and stirring
Change mitigates significantly, improves the ageing-resistant performance on road surface, extends the construction service life on road surface.
The content of the invention
The technical problems to be solved in the utility model is, for existing town road track disease maintenance bituminous paving knot
Structure constructional difficulties, be difficult to the problem of compacting, there is provided a kind of mid temperature pitch road for cities and towns asphalt pavement rut damage repair
Face structure, has good high-temperature stability, and can construct in the case of 100-120 DEG C, and with good
Rammability, overcomes high-modulus asphalt road surface in maintenance engineering due to being difficult to ensure that compactness deficiency that construction temperature brings
Problem.
The utility model is that technical solution is used by solving above-mentioned technical problem：
A kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair, including set successively from top to bottom
The medium temperature modified pitch wearing course put, fill surface layer and original concrete layer in the medium temperature modified pitch of anti-rut agent, each layer it
Between be equipped with modified emulsifying asphalt tack coat.
According to above-mentioned technical proposal, the medium temperature modified pitch wearing course is modified for medium temperature modified asphalt SMA -13 or medium temperature
Bitumen A C-13C.
According to above-mentioned technical proposal, the thickness of medium temperature modified pitch wearing course is 40mm.
According to above-mentioned technical proposal, the modified emulsifying asphalt tack coat is SBR modified emulsifying asphalts, and spread quantity is
0.4~0.6L/ ㎡.
According to above-mentioned technical proposal, the thickness of surface layer is 50- in the medium temperature modified pitch of the admixture anti-rut agent
70mm。
According to above-mentioned technical proposal, fill in the medium temperature modified pitch of anti-rut agent and gone back between surface layer and original concrete layer
Equipped with medium temperature modified pitch cutting optimal.
According to above-mentioned technical proposal, the medium temperature modified pitch cutting optimal is medium temperature modified pitch AC-25C.
According to above-mentioned technical proposal, the thickness of medium temperature modified pitch cutting optimal is 70-80mm.
According to above-mentioned technical proposal, original concrete layer replaces with steady layer of water.
The utility model has the advantages that：
Mid temperature pitch is modified by multilayer, and anti-rut agent is with the addition of in the middle surface layer of pavement structure shear stress maximum, is made
Road surface has good high-temperature stability, and all mixtures can construct in the case of 100-120 DEG C, has good
Rammability, so as to overcome high-modulus asphalt road surface in maintenance engineering due to being difficult to ensure that compactness that construction temperature brings not
The problem of sufficient, as a result of medium temperature construction technology, pitch mix and stir temperature and construction temperature is all relatively low, mixing and stirring pitch
Aging in journey mitigates significantly, improves the ageing-resistant performance on road surface, extends the construction service life on road surface.
Brief description of the drawings
Fig. 1 is that the mid temperature pitch road surface in the utility model embodiment 1 for cities and towns asphalt pavement rut damage repair is tied
The structure diagram of structure；
Fig. 2 is that the mid temperature pitch road surface in the utility model embodiment 2 for cities and towns asphalt pavement rut damage repair is tied
The structure diagram of structure；
In figure, 1- medium temperature modified pitch wearing courses, surface layer in the medium temperature modified pitch of 2- admixture anti-rut agents, 3- is original mixed
Solidifying soil layer, 4- modified emulsifying asphalt tack coats, 5- medium temperature modified pitch cutting optimals.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, for cities and towns asphalt pavement rut damage repair in a kind of embodiment 1 provided by the utility model
Mid temperature pitch pavement structure, including set gradually from top to bottom medium temperature modified pitch wearing course, modified emulsifying asphalt tack coat,
Fill surface layer, modified emulsifying asphalt tack coat and original concrete layer in the medium temperature modified pitch of anti-rut agent.
Further, the medium temperature modified pitch wearing course is medium temperature modified asphalt SMA -13 or medium temperature modified pitch AC-
13C。
Further, the thickness of medium temperature modified pitch wearing course is 40mm.
Further, medium temperature modified asphalt SMA -13 be SMA-13 admixture 0.3% polyester fiber, bitumen aggregate ratio 6.0
~6.3%；The bitumen aggregate ratio of medium temperature modified pitch AC-13 is 4.8~5.0%, and medium temperature modified pitch AC-13 is filled in AC-13
A certain proportion of polyester fiber (ratio most preferably 0.3%), the construction temperature of two kinds of mixtures is 100-120 DEG C.
Further, the modified emulsifying asphalt tack coat is SBR modified emulsifying asphalts, and spread quantity is 0.4~0.6L/
㎡。
Further, the thickness of surface layer is 50-70mm in the medium temperature modified pitch of the admixture anti-rut agent.
Further, surface layer is to be changed using mid temperature pitch or medium temperature in the medium temperature modified pitch of the admixture anti-rut agent
Property pitch admixture mixture gross mass 0.3~0.5% the anti-rut agent AC-16C or AC-20C that prepare, dynamic stability reaches
8000 times/more than mm, construction temperature is 100-120 DEG C.
Further, original concrete layer replaces with steady layer of water.
In one embodiment 2 of the utility model, as shown in Fig. 2, surface layer in the medium temperature modified pitch of admixture anti-rut agent
Medium temperature modified pitch cutting optimal is additionally provided between original concrete layer；Medium temperature modified pitch cutting optimal passes through modified emulsifying respectively
Surface layer and original concrete layer are connected in medium temperature modified pitch of the asphalt tack coat with filling anti-rut agent.
Further, the medium temperature modified pitch cutting optimal is medium temperature modified pitch AC-25C.
Further, the thickness of medium temperature modified pitch cutting optimal is 70-80mm, and construction temperature is 100-120 DEG C.
As shown in Fig. 2, this structure includes medium temperature modified pitch wearing course, the modified emulsifying asphalt from top to bottom set gradually
Tack coat, fill surface layer, modified emulsifying asphalt tack coat in the medium temperature modified pitch of anti-rut agent, below medium temperature modified pitch
Layer, modified emulsifying asphalt tack coat and original concrete layer or steady layer of water.
The SMA-13 mixtures that colorful water-permeable asphalt surface course is prepared using modified mid temperature pitch, dynamic stability are more than 6000
Secondary/mm, thickness 40mm；Middle surface layer fills the anti-rut agent of concrete quality 0.3% using mid temperature pitch AC-20C is modified,
Dynamic stability is more than 8000 times/mm, thickness 60mm；The AC-25C that cutting optimal is prepared using modified mid temperature pitch, thickness are
80mm；Bitumen layer lower floor is the concrete layer or cement stabilized macadam layer on original road surface.It is all provided with being modified among each structure sheaf
Emulsified asphalt tack coat, using SBR modified emulsifying asphalts, spread quantity is 0.4~0.6L/ ㎡.
In conclusion the utility model and prior art contrast have the following advantages：As a result of three layers of modified medium temperature
Pitch, and anti-rut agent is with the addition of in the middle surface layer of pavement structure shear stress maximum, therefore this structure is steady with good high temperature
It is qualitative；It is that all mixtures can be applied in the case of 100-120 DEG C as a result of mid temperature pitch, in this structure
Work, and there is good rammability, so as to overcome high-modulus asphalt road surface in maintenance engineering due to being difficult to ensure that construction temperature
Spend the problem of compactness brought is insufficient；As a result of medium temperature construction technology, pitch mix and stir temperature and construction temperature all compared with
It is low, aging of the pitch during mixing and stirring is mitigated significantly, improve the ageing-resistant performance on road surface, extend the construction longevity on road surface
Life.
The preferred embodiment of only the utility model above, cannot limit the power of the utility model with this certainly
Sharp scope, therefore the equivalence changes made according to present utility model application the scope of the claims, still belong to the scope of protection of the utility model.
Claims (9)
1. a kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair, it is characterised in that including from upper
The medium temperature modified pitch wearing course that is set gradually under and, fill surface layer and original concrete in the medium temperature modified pitch of anti-rut agent
Layer, it is equipped with modified emulsifying asphalt tack coat between each layer.
2. the mid temperature pitch pavement structure according to claim 1 for cities and towns asphalt pavement rut damage repair, it is special
Sign is that the medium temperature modified pitch wearing course is medium temperature modified asphalt SMA -13 or medium temperature modified pitch AC-13C.
3. the mid temperature pitch pavement structure according to claim 1 for cities and towns asphalt pavement rut damage repair, it is special
Sign is that the thickness of medium temperature modified pitch wearing course is 40mm.
4. the mid temperature pitch pavement structure according to claim 1 for cities and towns asphalt pavement rut damage repair, it is special
Sign is that the modified emulsifying asphalt tack coat is SBR modified emulsifying asphalts, and spread quantity is 0.4~0.6L/ ㎡.
5. the mid temperature pitch pavement structure according to claim 1 for cities and towns asphalt pavement rut damage repair, it is special
Sign is that the thickness of surface layer is 50-70mm in the medium temperature modified pitch of the admixture anti-rut agent.
6. the mid temperature pitch pavement structure according to claim 1 for cities and towns asphalt pavement rut damage repair, it is special
Sign is, fills and is additionally provided with the medium temperature modified pitch of anti-rut agent between surface layer and original concrete layer under medium temperature modified pitch
Surface layer.
7. the mid temperature pitch pavement structure according to claim 6 for cities and towns asphalt pavement rut damage repair, it is special
Sign is that the medium temperature modified pitch cutting optimal is medium temperature modified pitch AC-25C.
8. the mid temperature pitch pavement structure according to claim 6 for cities and towns asphalt pavement rut damage repair, it is special
Sign is that the thickness of medium temperature modified pitch cutting optimal is 70-80mm.
9. the mid temperature pitch for cities and towns asphalt pavement rut damage repair according to any one in claim 1~8
Pavement structure, it is characterised in that original concrete layer replaces with steady layer of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548469.8U CN207259897U (en) | 2017-05-17 | 2017-05-17 | A kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548469.8U CN207259897U (en) | 2017-05-17 | 2017-05-17 | A kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207259897U true CN207259897U (en) | 2018-04-20 |
Family
ID=61914934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548469.8U Active CN207259897U (en) | 2017-05-17 | 2017-05-17 | A kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207259897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638282A (en) * | 2021-08-13 | 2021-11-12 | 江苏瑞文戴尔交通科技有限公司 | Structural layer for repairing deep track of asphalt pavement and construction method |
-
2017
- 2017-05-17 CN CN201720548469.8U patent/CN207259897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638282A (en) * | 2021-08-13 | 2021-11-12 | 江苏瑞文戴尔交通科技有限公司 | Structural layer for repairing deep track of asphalt pavement and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108003639B (en) | Maintenance construction method for asphalt pavement cementation wearing course | |
| CN103951343B (en) | A kind of compound cold asphalt mixture for asphalt pavement pit repairing | |
| CN103866667A (en) | Semi-flexible heavy-duty pavement paving structure | |
| CN106149500B (en) | A kind of construction method of cement emulsified asphalt mortar penetration type half-flexible pavement | |
| CN107915878A (en) | It is a kind of suitable for asphalt composite modifier of modified hard pitch and preparation method thereof | |
| CN104762861A (en) | Semi-flexible pavement based on cold-recycling base of bituminous pavement and construction method of semi-flexible pavement | |
| CN104203865A (en) | Repair material for asphalt road and using method thereof | |
| CN106948235A (en) | A kind of bituminous paving interlayer construction method | |
| CN106336674A (en) | High-viscidity and high-elasticity modified asphalt and preparation method thereof | |
| CN209338946U (en) | A kind of large longitudinal slope Deteriorated concrete pavement regenerated road surface structure | |
| CN102051849A (en) | Preparation method of stone matrix asphalt mixture | |
| CN106630767A (en) | MS-IV-type iron tailings micro-surfacing mixture and preparation method thereof | |
| CN106320127B (en) | A kind of reclaimed bituminous pavement | |
| CN207259897U (en) | A kind of mid temperature pitch pavement structure for cities and towns asphalt pavement rut damage repair | |
| CN105906235B (en) | The compound improvement asphalt-mastic-broken stone materials of the discrete PAn-PE of type electromagnetic induction heat and its preparation method and construction method | |
| CN104927759B (en) | A kind of interface adhesive material and black overlay structure and its construction technology of changing in vain based on the material | |
| US20060127572A1 (en) | Method for producing a bituminous mix, in particular by cold process, and bituminous mix obtained by said method | |
| CN101220574A (en) | Method for paving track resistant road surface and product improving track resistant capability of road surface | |
| CN107288003A (en) | A kind of road surface or preventive maintenance of deck structure and its construction method | |
| CN209243483U (en) | A kind of pavement structure | |
| CN105040544B (en) | Large Longitudinal Slope section anti-rutting asphalt pavement structure | |
| CN106477974A (en) | A kind of glass fibre and water-base epoxy emulsified asphalt material for road repair | |
| CN110172909A (en) | Cement concrete bridge deck bilayer AC Asphalt mixture pavement structure and method for paving | |
| CN105884265A (en) | Asphalt mixture pavement | |
| CN206784100U (en) | A kind of bituminous paving interlayer structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |