CN211395218U - Cold regeneration basic unit road surface structure of emulsified asphalt plantmix - Google Patents
Cold regeneration basic unit road surface structure of emulsified asphalt plantmix Download PDFInfo
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- CN211395218U CN211395218U CN201922366064.4U CN201922366064U CN211395218U CN 211395218 U CN211395218 U CN 211395218U CN 201922366064 U CN201922366064 U CN 201922366064U CN 211395218 U CN211395218 U CN 211395218U
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Abstract
The utility model discloses a cold basic unit road surface structure of regenerating of emulsified asphalt plantmix, the top of road surface basic unit body is equipped with regeneration basic unit body, regeneration basic unit body from the top down is equipped with the cold basic unit of regenerating of emulsified asphalt plantmix in proper order, goes up pitch crack control veneer, the cold flexible basic unit of regenerating of emulsified asphalt, tie coat, rubble subbase and cement stabilization rubble basic unit and pitch crack control veneer down. The utility model discloses the high strength high temperature resistant fabric that sets up goes up pitch crack control back and the anti crack of pitch crack control back of the layer subsides surface has great tensile strength, can effectively resist layer crack department tensile stress, restriction crack width development has played the effect that adds the muscle, has improved the tensile strength of bituminous paving local structural layer, and anti crack subsides are laid at layer crack surface between layer, form a complete water proof barrier, can cut off the rain and snow and ooze the route under water to reduce the road surface water harm.
Description
Technical Field
The utility model relates to a road surface basic unit technical field especially relates to a cold basic unit's road surface structure of regenerating of emulsified asphalt plantmix.
Background
China takes a semi-rigid base layer flexible pavement structure as a main structural form, two main road maintenance schemes are direct additional pavement and excavation reconstruction at present, however, two construction processes have important defects. If a conventional maintenance method is adopted, a large amount of dug and milled asphalt mixture is abandoned, and new stone and asphalt resources are excessively exploited, so that not only can the forest vegetation be reduced, and the serious ecological environment damage such as water and soil loss be caused, but also the resource waste is great.
Pavement recycling refers to the process of recycling and reusing the original pavement materials. In particular to road engineering, the damaged pavement surface layer and base layer materials are dug, recovered and crushed, and then are reused in the new pavement structure layer, so that the purpose of recovering and utilizing old materials is achieved. Obviously, the cost reduction and environmental protection and energy conservation brought by recycling the old materials become the primary advantages of the regeneration process, and the problem of cracks and water leakage cannot be solved by the existing pavement structure.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a cold basic unit's road surface structure of regenerating of emulsified asphalt plantmix has solved the unable problem of handling the crack and leaking of current road surface regeneration.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cold basic unit pavement structure of regenerating of emulsified asphalt plant-mixing, includes road surface base body, the top of road surface base body is equipped with regeneration base body, regeneration base body from the top down is equipped with cold regeneration base layer of emulsified asphalt plant-mixing, goes up pitch crack control adhesive layer, the cold flexible basic unit of regenerating of emulsified asphalt, tie coat, rubble subbase and cement stabilization rubble basic unit and pitch crack control adhesive layer down in proper order, the subsides of pitch crack control adhesive layer are in the surface of road surface base body down, be equipped with sealed glue between cold regeneration base layer of emulsified asphalt plant-mixing and the cold flexible basic unit of regenerating of emulsified asphalt plant-mixing and the last pitch crack control adhesive layer, cement stabilization rubble basic unit and road surface base body and pitch crack control adhesive layer down also fill have sealed glue.
Preferably, the emulsified asphalt plant-mixed cold-recycling base layer and the emulsified asphalt cold-recycling flexible base layer are formed by paving emulsified asphalt plant-mixed cold-recycling mixture with the thickness of 15cm-22 cm.
Preferably, the upper asphalt anti-cracking veneer layer and the lower asphalt anti-cracking veneer layer both comprise a polymer waterproof film and a polypropylene layer, and the polymer waterproof film is compounded on the polypropylene layer.
Preferably, the polymer waterproofing membrane has a thickness of 2 to 4 mm.
Preferably, the bonding layer is formed by paving SBS modified emulsified asphalt with the thickness of 0.05 cm.
(III) advantageous effects
The utility model provides a cold basic unit road surface structure of regenerating of emulsified asphalt plantmix possesses following beneficial effect: the utility model discloses set up the road surface base layer body, the surface of road surface base layer body is provided with emulsified asphalt plant-mixed cold regeneration basic unit, go up pitch crack control veneer, emulsified asphalt cold regeneration flexible basic unit, the tie coat, rubble subbase layer and cement stabilization rubble basic unit and pitch crack control veneer down, wherein emulsified asphalt plant-mixed cold regeneration basic unit and the setting of the cold regeneration flexible basic unit of emulsified asphalt help the stability of road surface, avoid it to break, the high strength high temperature resistant fabric of the crack control veneer of the upper pitch crack control veneer and the pitch crack control veneer down of setting has great tensile strength, can effectively resist the tensile stress of interlaminar crack department, limit crack width development, the effect of muscle has been played, the tensile strength of bituminous pavement local structural layer has been improved, the polymer in the crack control veneer is the material that has certain viscoelasticity, and has good low temperature flexibility, lay between bituminous pavement layer, the composite layer with good viscoelasticity under certain low temperature is equivalently arranged, the tensile stress at the crack is gradually attenuated to a wider range through the expansion of the composite layer with good viscoelasticity, the effect of absorbing tensile energy can be achieved, the anti-crack paste is paved on the surface of an interlayer crack to form a complete waterproof impermeable layer, and a rain and snow underwater seepage path can be cut off, so that the damage of road surface water is reduced, and the bonding layer, the gravel subbase layer and the cement stabilized gravel base layer all play a role in strengthening the strength of the regenerated base body and avoiding the breakage of the regenerated base body.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the asphalt anti-cracking coating of the present invention.
In the figure: 1. a pavement base body; 2. cold plant-mixing emulsified asphalt to regenerate the base layer; 3. applying an asphalt anti-cracking adhesive layer; 4. cold regenerating the flexible base layer by emulsified asphalt; 5. a bonding layer; 6. a crushed stone sub-base layer; 7. a cement stabilized macadam base; 8. laying an asphalt anti-cracking adhesive layer; 9. sealing glue; 10. a polymeric water-resistant membrane; 11. a polypropylene layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the following examples are proposed:
the utility model provides an emulsified asphalt plant-mixed cold regeneration base pavement structure, includes road surface base layer body 1, the top of road surface base layer body 1 is equipped with regeneration base layer body, regeneration base layer body from the top down is equipped with emulsified asphalt plant-mixed cold regeneration base layer 2 in proper order, goes up pitch crack control adhesive layer 3, the cold flexible base layer 4 of regenerating of emulsified asphalt, tie coat 5, rubble subbase layer 6 and cement stabilization rubble basic unit 7 and pitch crack control adhesive layer 8 down, pitch crack control adhesive layer 8 pastes down the surface of road surface base layer body 1, be equipped with sealed glue 9 between emulsified asphalt plant-mixed cold regeneration base layer 2 and the cold flexible base layer 4 of regenerating of emulsified asphalt and the last pitch crack control adhesive layer 3, cement stabilization rubble basic unit 7 and road surface base layer body 1 also fill sealed glue 9 with lower pitch crack control adhesive layer 8.
In the embodiment, the emulsified asphalt plant-mixed cold-recycling base layer 2 and the emulsified asphalt cold-recycling flexible base layer 4 are paved by emulsified asphalt plant-mixed cold-recycling mixture with the thickness of 15cm-22 cm. The emulsified asphalt is cold regenerated, and is the most common generalized regenerant due to simple and convenient operation.
In this embodiment, the upper asphalt anti-cracking coating 3 and the lower asphalt anti-cracking coating 8 both include a polymer waterproof film 10 and a polypropylene layer 11, the polymer waterproof film 10 is compounded on the polypropylene layer 11, and the thickness of the polymer waterproof film 10 is 2-4 mm. The upper asphalt anti-cracking veneer layer 3 and the lower asphalt anti-cracking veneer layer 8 have high tensile strength, good toughness and surface viscosity, are suitable for a pavement base, and can prevent cracks caused by temperature influence and vertical load from reflecting to the pavement base body 1.
In this example, the adhesive layer 5 was made of SBS modified emulsified asphalt having a thickness of 0.05cm, and sprayed using an asphalt spraying vehicle in an amount of 0.5kg/m2。
In fig. 1-2, the utility model provides a pavement base body 1, the surface of pavement base body 1 is provided with emulsified asphalt plant-mixed cold regeneration base layer 2, upper asphalt crack control paste layer 3, emulsified asphalt cold regeneration flexible base layer 4, bonding layer 5, rubble sub-base layer 6, cement stabilized macadam base layer 7 and lower asphalt crack control paste layer 8, wherein the emulsified asphalt plant-mixed cold regeneration base layer 2 and the emulsified asphalt cold regeneration flexible base layer 4 are provided, which is helpful for the stability of the pavement and avoids the cracking of the pavement, the high-strength high-temperature resistant fabric on the surface of upper asphalt crack control paste layer 3 and lower asphalt crack control paste layer 8 has larger tensile strength, can effectively resist the tensile stress of the interlayer crack, limit the crack width development, play the role of reinforcement, improve the tensile strength of the asphalt pavement local structural layer, the polymer in the crack control paste is a material with certain viscoelasticity, the anti-crack composite base layer is paved on the asphalt pavement layer, namely a composite layer with good viscoelasticity under a certain low temperature condition is arranged, the tensile stress at the crack is gradually attenuated to a wider range through the expansion of the good viscoelasticity composite layer, the anti-crack composite base layer can play a role in absorbing tensile energy, the anti-crack composite base layer is paved on the surface of the crack between the layers to form a complete waterproof impermeable layer, a rain and snow underwater seepage path can be cut off, and therefore the pavement water damage is reduced, and the bonding layer 5, the gravel subbase layer 6 and the cement stabilized gravel base layer 7 all play a role in strengthening the strength of the regenerated base body and avoiding the breakage of the regenerated base body.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an emulsified asphalt plant mixes cold regeneration basic unit road surface structure which characterized in that: including the road surface basic unit body, the top of road surface basic unit body is equipped with regeneration basic unit body, regeneration basic unit body from the top down is equipped with cold regeneration basic unit of emulsified asphalt plant-mix, goes up pitch crack control adhesive layer, the cold flexible basic unit of regenerating of emulsified asphalt, tie coat, rubble subbase and cement stabilization rubble basic unit and pitch crack control adhesive layer down in proper order, pitch crack control adhesive layer pastes down the surface of road surface basic unit body, emulsified asphalt plant-mix cold regeneration basic unit and emulsified asphalt cold regeneration flexible basic unit and last pitch crack control adhesive layer between be equipped with sealed glue, cement stabilization rubble basic unit and road surface basic unit body also fill sealed glue with pitch crack control adhesive layer down.
2. The emulsified asphalt plant-mixed cold-recycling base pavement structure as claimed in claim 1, wherein: the emulsified asphalt plant-mixed cold-recycling base layer and the emulsified asphalt cold-recycling flexible base layer are formed by paving emulsified asphalt plant-mixed cold-recycling mixture with the thickness of 15cm-22 cm.
3. The emulsified asphalt plant-mixed cold-recycling base pavement structure as claimed in claim 1, wherein: the upper asphalt anti-cracking adhesive layer and the lower asphalt anti-cracking adhesive layer both comprise a polymer waterproof film and a polypropylene layer, and the polymer waterproof film is compounded on the polypropylene layer.
4. The emulsified asphalt plant-mixed cold recycling base pavement structure as claimed in claim 3, wherein: the thickness of the polymer waterproof membrane is 2-4 mm.
5. The emulsified asphalt plant-mixed cold-recycling base pavement structure as claimed in claim 1, wherein: the bonding layer is formed by paving SBS modified emulsified asphalt with the thickness of 0.05 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922366064.4U CN211395218U (en) | 2019-12-25 | 2019-12-25 | Cold regeneration basic unit road surface structure of emulsified asphalt plantmix |
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| CN201922366064.4U CN211395218U (en) | 2019-12-25 | 2019-12-25 | Cold regeneration basic unit road surface structure of emulsified asphalt plantmix |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626953A (en) * | 2020-12-16 | 2021-04-09 | 赵文政 | Regenerated pavement base material and construction method thereof |
| CN114808586A (en) * | 2022-05-16 | 2022-07-29 | 中交一公局第一工程有限公司 | Construction method for preventing asphalt pavement from cracking in severe cold region |
-
2019
- 2019-12-25 CN CN201922366064.4U patent/CN211395218U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626953A (en) * | 2020-12-16 | 2021-04-09 | 赵文政 | Regenerated pavement base material and construction method thereof |
| CN114808586A (en) * | 2022-05-16 | 2022-07-29 | 中交一公局第一工程有限公司 | Construction method for preventing asphalt pavement from cracking in severe cold region |
| CN114808586B (en) * | 2022-05-16 | 2024-03-15 | 中交一公局第一工程有限公司 | Construction method for asphalt pavement anti-cracking in severe cold region |
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