CN207003169U - A kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete - Google Patents
A kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete Download PDFInfo
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- CN207003169U CN207003169U CN201720673929.XU CN201720673929U CN207003169U CN 207003169 U CN207003169 U CN 207003169U CN 201720673929 U CN201720673929 U CN 201720673929U CN 207003169 U CN207003169 U CN 207003169U
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Abstract
A kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete, the maintenance structure and former Pavement mosaic, lower stabilized base, heated bitumen confining bed, water-proof tack coat, antiskid wearing layer, hot in-plant reclaimed asphalt concrete layer and top course including being laid on former upper pavement surface successively, wherein, lower stabilized base is molded over former road surface by one layer of cured layer, and heated bitumen confining bed splices with lower stabilized base, water-proof tack coat splices with heated bitumen confining bed, antiskid wearing layer splices with water-proof tack coat, and above-mentioned connecting method is edge staged splicing.The utility model technique is simple, easy to process, and shaping is quick, can effectively improve the durability on road surface and can effectively prevent reflection crack.
Description
Technical field
Engineering for pavement maintenance technical field is the utility model is related to, specially a kind of plantmix's heat for being related to rebuilding old road engineering
The maintenance of surface structure of Recycled Asphalt Pavement.
Background technology
Principal mode of the asphalt concrete pavement as China's each standard highway at this stage, has that driving comfort level is good, peace
The features such as overall coefficient is high, strong adaptability and reparation are simple.Bituminous paving is after operation is built up, in traffic loading, natural environment
And under the collective effect of human factor, its pavement performance, road-ability and safety coefficient etc. can extension over time without
It is disconnected to decline, the development of the disease such as simultaneous asphalt membrane comes off, crack, rut, loose, pit, and then endanger whole road
The safety and life-span of face structure sheaf and basic unit.Therefore suitable age in pavement usage life cycle, using appropriate method,
It is particularly important that road pavement carries out preventative maintenance.
A kind of defense maintenance of the asphalt pavement conserving structure sheaf as early stage, is mainly used in built highway system,
Delay the time that road destroys, and keep or improve pavement skid resistance, draining, anti-dazzle, noise reduction requirement pavement performance road surface
A kind of reinforcement of structure, in the case where only function of surface decays, in order to recover one kind week of the service function of road surface
The conservation layer of phase property.But asphalt pavement conserving structure Rotating fields of the prior art are excessively simple, and there is complex process, cost
The defects of height, poor durability, more technology uncontrollable factor, while pollution is big and waste discharge is more, thus need to carry out it
Improve, make road surface that there is good synthesis pavement performance, anti-ponding performance and preferable durability, road-ability and safety
Property.
Utility model content
The technical problem that the utility model solves is to provide a kind of maintenance of surface of hot in-plant reclaimed asphalt concrete
Structure, to solve the shortcomings that in above-mentioned background technology.
The technical problem that the utility model solves is realized using following technical scheme：
A kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete, the maintenance structure and former Pavement mosaic, including according to
It is the secondary lower stabilized base for being laid on former upper pavement surface, heated bitumen confining bed, water-proof tack coat, antiskid wearing layer, hot in-plant reclaimed
Asphalt concrete layer and top course, wherein, lower stabilized base is molded over former road surface by one layer of cured layer, and heat drips
Blue or green confining bed splices with lower stabilized base, and water-proof tack coat splices with heated bitumen confining bed, antiskid wearing layer and water-proof tack coat
Splicing, and above-mentioned connecting method is edge staged splicing.
In the utility model, the former road surface is cracking existing cement-concrete pavement or the Bituminous concrete surface road for producing lesion cracking
Face.
In the utility model, the cured layer is that early-strength Cement Cold Regeneration Technology old pavement material fills former top course seam
Gap, and be molded in early-strength Cement Cold Regeneration Technology old pavement material surface coating asphalt leveling course solidify afterwards, and asphalt leveling course
Thickness is not less than 5mm.
In the utility model, the lower stabilized base is the lime-sand-clay mixture formable layer that a layer thickness is 160~180mm
Or directly use portland cement PO42.5 curing moldings, when it uses portland cement PO42.5 curing moldings, its thickness
For 120~150mm.
In the utility model, the thickness of the heated bitumen confining bed is 7~9mm.
In the utility model, the water-proof tack coat thickness is 0.5~1mm, is high adhered modification emulsified asphalt layer.
In the utility model, the thickness of the antiskid wearing layer is 14~16mm, is molded for cold-mix asphalt compound.
In the utility model, the top course is one layer of brand-new asphalt layer, and the brand-new asphalt
The thickness of layer is 3~8mm.
Beneficial effect：The utility model uses old pavement regeneration techniques so that the material of old asphalt pavement obtains again sharp
With, its is compact-sized, and interlayer structure is reasonable, using hot in-plant reclaimed asphalt concrete, improve road surface durability and can be effective
Reflection crack is prevented, meanwhile, its composite construction layer can effectively improve and improve the Rut resistance on former road surface, water resistant mist, anti-disperse, drop
Make an uproar, the performance of durability, so as to extend the service life on related road surface, the advantages that its environmental protection meets sustainable development, tool
There are obvious economic value and social benefit.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the utility model preferred embodiment.
Wherein：1st, top course；2nd, hot in-plant reclaimed asphalt concrete layer；3rd, antiskid wearing layer；4th, water-proof tack coat；5、
Heated bitumen confining bed；6th, lower stabilized base；7th, asphalt leveling course；8th, early-strength Cement Cold Regeneration Technology old pavement material packed layer；9、
Former road surface.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to a kind of preferred embodiment of the maintenance of surface structure of Fig. 1 hot in-plant reclaimed asphalt concrete, in this implementation
Example in, maintenance of surface structure is molded over thereon using the existing cement-concrete pavement that ftractureed as former road surface 9, its be molded over its
It is filled on the injustice on former road surface 9 and cracking part by early-strength Cement Cold Regeneration Technology old pavement material packed layer 8, and in morning
The surface of strong type Cement Cold Regeneration Technology old pavement material packed layer 8 is levelling as pitch by the use of the brand-new pitch that a layer thickness is 8mm
Layer 7 carries out levelling.
Maintenance of surface structure forms lower stabilized base 6, heated bitumen envelope using asphalt leveling course 7 as plane, on this successively
Layer 5, water-proof tack coat 4, antiskid wearing layer 3, hot in-plant reclaimed asphalt concrete layer 2 and top course 1 are closed, wherein, it is lower steady
Determine basic unit 6 and use portland cement PO42.5 curing moldings, its molding thickness is 140mm, and the lower stabilized base 6 is molded directly within
The surface of asphalt leveling course 7；And heated bitumen confining bed 5 is spliced with lower stabilized base 6 at edge using staged, its thickness is 8mm；
Water-proof tack coat 4 is the high adhered modification emulsified asphalt layer that a layer thickness is 4mm, and and is used with heated bitumen confining bed 5 at edge
Staged is spliced, and antiskid wearing layer 3 is the cold-mix asphalt mixing bed of material that a layer thickness is 15mm, and it is also with water-proof tack coat 4
Edge staged splicing.And hot in-plant reclaimed asphalt concrete layer 2 is molded directly within the surface of antiskid wearing layer 3, and in plantmix's heat
The surface forming of Recycled Asphalt Pavement layer 2 has brand-new asphalt layer of a layer thickness for 8mm as top course 1.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
1. a kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete, the maintenance structure and former Pavement mosaic, its feature exist
In, including lower stabilized base, heated bitumen confining bed, water-proof tack coat, antiskid wearing layer, the factory of former upper pavement surface are laid on successively
Heat regeneration asphalt concrete layer and top course are mixed, wherein, lower stabilized base is molded over former road surface table by one layer of cured layer
Face, and heated bitumen confining bed and lower stabilized base splice, water-proof tack coat splices with heated bitumen confining bed, and antiskid wearing layer is with preventing
Water tack coat splices, and above-mentioned connecting method is edge staged splicing.
2. maintenance of surface structure according to claim 1, it is characterised in that the former road surface is cracking existing cement-concrete pavement
Or produce the old asphalt pavement of lesion cracking.
3. maintenance of surface structure according to claim 1, it is characterised in that the cured layer is early-strength Cement Cold Regeneration Technology
Old pavement material fills former top course gap, and is coated with a layer thickness on early-strength Cement Cold Regeneration Technology old pavement material surface
Asphalt leveling course not less than 5mm.
4. maintenance of surface structure according to claim 1, it is characterised in that the lower stabilized base is that a layer thickness is
160~180mm two ash stability soil layer.
5. maintenance of surface structure according to claim 1, it is characterised in that the lower stabilized base is that a layer thickness is
120~150mm portland cement PO42.5 cured layers.
6. maintenance of surface structure according to claim 1, it is characterised in that the thickness of the heated bitumen confining bed be 7~
9mm。
7. maintenance of surface structure according to claim 1, it is characterised in that the water-proof tack coat is that a layer thickness is
0.5~1mm high adhered modification emulsified asphalt layer.
8. maintenance of surface structure according to claim 1, it is characterised in that the antiskid wearing layer is that a layer thickness is 14
~16mm cold-mix asphalt mixing the bed of material.
9. maintenance of surface structure according to claim 1, it is characterised in that the top course be a layer thickness be 3~
8mm brand-new asphalt layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673929.XU CN207003169U (en) | 2017-06-02 | 2017-06-02 | A kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673929.XU CN207003169U (en) | 2017-06-02 | 2017-06-02 | A kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete |
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| Publication Number | Publication Date |
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| CN207003169U true CN207003169U (en) | 2018-02-13 |
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| CN201720673929.XU Active CN207003169U (en) | 2017-06-02 | 2017-06-02 | A kind of maintenance of surface structure of hot in-plant reclaimed asphalt concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455770A (en) * | 2020-04-17 | 2020-07-28 | 中国建筑土木建设有限公司 | Asphalt pavement splicing structure based on recycled materials and construction method thereof |
-
2017
- 2017-06-02 CN CN201720673929.XU patent/CN207003169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455770A (en) * | 2020-04-17 | 2020-07-28 | 中国建筑土木建设有限公司 | Asphalt pavement splicing structure based on recycled materials and construction method thereof |
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