CN207314073U - A kind of fiber asphalt concrete road surface - Google Patents
A kind of fiber asphalt concrete road surface Download PDFInfo
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- CN207314073U CN207314073U CN201720960190.0U CN201720960190U CN207314073U CN 207314073 U CN207314073 U CN 207314073U CN 201720960190 U CN201720960190 U CN 201720960190U CN 207314073 U CN207314073 U CN 207314073U
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- Prior art keywords
- layer
- fiber
- asphalt concrete
- road surface
- fibre
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- 239000000835 fiber Substances 0.000 title claims abstract description 179
- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 68
- 239000004567 concrete Substances 0.000 claims abstract description 39
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 152
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 239000012209 synthetic fiber Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 abstract description 10
- 239000007921 spray Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 230000037452 priming Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a kind of fiber asphalt concrete road surface, including sub-layer, it is sprayed on the permeable layers (2) of the sub-layer (1) upper surface, spray in the adhesion coating (3) of the permeable layers (2) upper surface, it is laid in the lowermost fibre layer (41) of the adhesion coating (3) upper surface, it is laid in the asphalt concrete layer (42) of lowermost fibre layer (41) upper surface, it is laid in the top fiber layer (43) of the asphalt concrete layer (42) upper surface, the top fiber layer (43), the lowermost fibre layer (41) is combined closely with the asphalt concrete layer (42).The fiber asphalt concrete road surface efficiently solves the problem of fiber concrete mixes and stirs difficulty, has promoted utilization of the fiber asphalt concrete in real road engineering.
Description
Technical field
Traffic technical field of construction is the utility model is related to, more particularly to a kind of fiber asphalt concrete road surface.
Background technology
The Random early Detection of bituminous paving is various and complicated, especially the most serious with cracking and track infringement.As China is handed over
Flux quickly increases, Heavy Traffic and overloading getting worse so that bituminous concrete cracking is more tight with track problem
It is high, seriously reduce the service quality of road.Therefore, the cracking and track of bituminous paving early stage how is prevented, is one ten
Divide stubborn problem.
Experimental data shows, fiber is mixed in bituminous concrete, can effectively improve the high-temperature stable of bituminous concrete
Property, its anti-crack ability is improved, this has great significance the cracking for preventing bituminous paving with track.
At present, the mode of mixing and stirring of fiber asphalt concrete is mainly that fiber and bituminous concrete are put into machinery to stir jointly
Mix, this mode of mixing and stirring has the problem of being difficult to uniformly mix and stir.Work as which results in fiber asphalt concrete in real road engineering
In be difficult to promote the use.
Therefore, how to solve the problems, such as that fiber concrete mixes and stirs difficulty, promote fiber asphalt concrete in real road engineering
In utilization, be those skilled in the art be badly in need of solve technical barrier.
Utility model content
The purpose of this utility model is to provide a kind of fiber asphalt concrete road surface, and the fiber asphalt concrete road surface is effective
Ground solves the problems, such as that fiber concrete mixes and stirs difficulty, has promoted utilization of the fiber asphalt concrete in real road engineering.
In order to solve the above technical problems, the utility model provides following technical solution：
A kind of fiber asphalt concrete road surface, including sub-layer, be sprayed on the sub-layer upper surface permeable layers, injection in
The adhesion coating of the permeable layers upper surface, the lowermost fibre layer for being laid in the adhesion coating upper surface, be laid on the lowermost fibre layer
The asphalt concrete layer on surface, the top fiber layer for being laid in the asphalt concrete layer upper surface, the top fiber layer, institute
Lowermost fibre layer is stated to combine closely with the asphalt concrete layer.
Preferably, the top fiber layer is synthetic fiber layer, steel fibre layer or carbon fiber layer；The lowermost fibre layer is
Synthetic fiber layer, steel fibre layer or carbon fiber layer.
Preferably, the top fiber layer and the lowermost fibre layer are more than 500MPa for tensile strength, and fusing point is more than 220
DEG C, the fibrous layer of antirust corrosion-proof.
Preferably, the top fiber layer is that fibre length is 10mm~15mm, fiber equivalent diameter for 0.18mm~
The fibrous layer of 0.24mm.
Preferably, the lowermost fibre layer is that fibre length is 25mm~40mm, fiber equivalent diameter for 0.3mm~
The fibrous layer of 1.0mm.
Preferably, the value for spreading paving amount m of the top fiber layer and the lowermost fibre layer, passes through formulaDetermine, wherein the unit of m is kg/m2,
Wherein：N=At/As,
D is fiber equivalent diameter,
L is fibre length,
N is to spread paving number of fiber,
AtPaving fiber area is spread for unit square metre, takes 0.25m2-0.5m2,
AsFor fiber tiling equivalent area, As=D × L.
Preferably, the thickness of the asphalt concrete layer is 40mm~60mm.
Preferably, the asphalt concrete layer is laid with by asphalt-spreader, the front-end and back-end of the asphalt-spreader
It is mounted on fiber and spreads to mat formation to put.
Fiber asphalt concrete road surface provided by the utility model, including sub-layer, permeable layers, adhesion coating, lowermost fibre layer,
Asphalt concrete layer, top fiber layer, sub-layer are located at the bottom, based on layer, it is the cleaning of sub-layer upper surface, dry, have foot
Enough intensity.Permeable layers are sprayed on sub-layer upper surface, and adhesion coating injection is laid in adhesion coating upper table in permeable layers upper surface, lowermost fibre layer
Face, asphalt concrete layer are laid in lowermost fibre layer upper surface, and top fiber layer is laid in asphalt concrete layer upper surface, also
It is that priming oil and sticking layer oil are successively sprayed on sub-layer upper surface, after lowermost fibre is laid in sprinkling priming oil and sticking layer oil
Sub-layer upper surface, top fiber are laid in the bituminous concrete upper surface after paving.Top fiber layer, lowermost fibre layer and drip
Blue or green concrete layer is combined closely, and forms the asphalt concrete pavement of double layer fibre.
Fiber asphalt concrete road surface provided by the utility model, lowermost fibre layer, asphalt concrete layer, top fiber
Layer tiles respectively, and fiber and concrete need not mix and stir, and process is simple, easily operated, avoid fiber and concrete difficulty is mixed and stirred,
It is the problem of uneven mixing, easy for construction, reduce fibers content, reduce cost, significantly improve bituminous concrete bottom
Tensile strength and the anti-rut behavior on surface；Utilization of the fiber asphalt concrete in real road engineering is promoted at the same time.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
The structural representation on the fiber asphalt concrete road surface that Fig. 1 is provided by a kind of embodiment in the utility model
Figure；
Fig. 2 is the construction schematic diagram on fiber asphalt concrete road surface.
Marked in attached drawing as follows：
1- sub-layers, 2- permeable layers, 3- adhesion coatings, 41- lowermost fibres layer, 42- asphalt concrete layers, 43- top fibers layer, 5-
Road roller, 6- asphalt-spreaders, 7- motortilter (dumper car,dumper)s.
Embodiment
The core of the utility model is to provide a kind of fiber asphalt concrete road surface, and the fiber asphalt concrete road surface is effective
Ground solves the problems, such as that fiber concrete mixes and stirs difficulty, has promoted utilization of the fiber asphalt concrete in real road engineering.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1 and fiber asphalt coagulation that Fig. 2, Fig. 1 are provided by a kind of embodiment in the utility model
The structure diagram of soil surface；Fig. 2 is the construction schematic diagram on fiber asphalt concrete road surface.
In a kind of embodiment, fiber asphalt concrete road surface provided by the utility model, including sub-layer,
Permeable layers 2, adhesion coating 3, lowermost fibre layer 41, asphalt concrete layer 42, top fiber layer 43, sub-layer are located at the bottom, based on
Layer, the cleaning of 1 upper surface of sub-layer, drying, there is sufficient intensity.Permeable layers 2 are sprayed on 1 upper surface of sub-layer, and adhesion coating 3 is sprayed in permeable layers
2 upper surfaces, lowermost fibre layer 41 are laid in 3 upper surface of adhesion coating, and asphalt concrete layer 42 is laid in 41 upper surface of lowermost fibre layer,
Top fiber layer 43 is laid in 42 upper surface of asphalt concrete layer, that is, successively sprays priming oil on 1 upper surface of sub-layer
And sticking layer oil, lowermost fibre are laid in 1 upper surface of sub-layer after sprinkling priming oil and sticking layer oil, top fiber, which is laid in, to pave
Bituminous concrete upper surface afterwards.Top fiber layer 43, lowermost fibre layer 41 and asphalt concrete layer 42 are combined closely, and are formed double
The asphalt concrete pavement of layer fiber.
Fiber asphalt concrete road surface provided by the utility model, lowermost fibre layer 41, asphalt concrete layer 42, upper strata
Fibrous layer 43 tiles respectively, and fiber and concrete need not mix and stir, and process is simple, easily operated, avoids fiber and concrete
The problem of difficulty is mixed and stirred, uneven mixing, it is easy for construction, reduce fibers content, reduce cost, significantly improve bituminous concrete
The tensile strength of bottom and the anti-rut behavior on surface；Fortune of the fiber asphalt concrete in real road engineering is promoted at the same time
With.
Above-mentioned fiber asphalt concrete road surface is only a kind of preferred solution, is specifically not limited thereto, on this basis may be used
Made according to actual needs with targetedly adjusting, so as to obtain different embodiments, top fiber layer 43 can be to close
Into fibrous layer, steel fibre layer or carbon fiber layer, lowermost fibre layer 41 is synthetic fiber layer, steel fibre layer or carbon fiber layer, fiber
For any kind in synthetic fibers, steel fibre, carbon fiber.Synthetic fibers are the mixed of steel fibre, carbon fiber or other fibers
Condensating fiber.Fibrous layer intensity is higher, can play the role of reinforcing concrete, can improve the intensity of bituminous concrete, effectively
Improvement bituminous concrete high-temperature stability.Lowermost fibre is mutual with lower floor bituminous concrete after bituminous concrete compacting
With reference to insertion, lowermost fibre bituminous concrete is formed, bituminous concrete lower floor tensile capacity is improved, prevents bituminous concrete lower floor
Cracking, also it is prevented that crack from bottom to top.Top fiber is mutual with upper strata bituminous concrete after bituminous concrete compacting
With reference to insertion, top fiber bituminous concrete is formed, improves the high-temperature stability of bituminous concrete, improves asphalt concrete pavement
Anti-rut behavior.
Preferably, top fiber layer 43 and lowermost fibre layer 41 are more than 500MPa for tensile strength, and fusing point is more than 220 DEG C,
The fibrous layer of antirust corrosion-proof, top fiber, lowermost fibre are not limited to certain special fiber, only need to meet that tensile strength is more than
500MPa, fusing point are more than 220 DEG C, the characteristic of antirust corrosion-proof, that is, meet the fiber of this characteristic be suitable for top fiber, under
Layer fiber.
On the basis of above-mentioned embodiment, those skilled in the art can be according to the difference of specific occasion, to fibre
Tie up asphalt concrete pavement and carry out some changes, top fiber is thin staple fiber, and top fiber layer 43 is that fibre length is 10mm
~15mm, fiber equivalent diameter are the fibrous layer of 0.18mm~0.24mm；Length is 10mm~15mm, equivalent diameter 0.18mm
~0.24mm, short glass fibre in compacting process with bituminous concrete upper layer easy to be combined, embedded bituminous concrete upper epidermis,
So as to improve the high-temperature stability of bituminous concrete.Certainly it will be appreciated that above-mentioned top fiber length and equivalent diameter model
The preferable example of simply the utility model is enclosed, other length can also be used.
Lowermost fibre is elongated fibers, and lowermost fibre layer 41 is that fibre length is 25mm~40mm, and fiber equivalent diameter is
The fibrous layer of 0.3mm~1.0mm, long fine fibre is easy to combine closely with the Sub-course Asphalt Concrete in compacting process, so as to carry
The tensile capacity of high the Sub-course Asphalt Concrete, prevents the generation in crack.Certainly it will be appreciated that lowermost fibre length and equivalent
Diameter range is the preferable example of the utility model, can also use other length.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Some changes of embodiment progress, top fiber layer 43 and lowermost fibre layer 41 spread paving amount m, pass through formulaDetermine, unit：kg/m2,
Wherein：N=At/As,
D is fiber equivalent diameter,
L is fibre length,
N is to spread paving number of fiber,
AtPaving fiber area is spread for unit square metre, takes 0.25m2-0.5m2,
AsFor fiber tiling equivalent area, As=D × L.
Top fiber layer 43, lowermost fibre layer 41 spread paving amount calculate it is more accurate, dosage is more reasonable, this spread paving amount scope only
It is the preferable scope of the utility model, paving amount can also be spread using other.
It is important to note that fiber asphalt concrete road surface provided by the utility model be not intended to be limited to it is such a
Situation, the thickness of asphalt concrete layer 42 arbitrary value between 40mm~60mm, including endpoint value, for example be 50mm, it is specific thick
Degree can be chosen according to Practical Project, bituminous concrete thickness, certainly it will be appreciated that above-mentioned bituminous concrete thickness range
The simply preferable example of the utility model, can also use other thickness.
For the fiber asphalt concrete road surface in above-mentioned each embodiment, asphalt concrete layer 42 passes through asphalt-spreader
6 are laid with, and the front-end and back-end of asphalt-spreader 6, which are mounted on fiber, spreads to mat formation and put, and paver works when driving, and front end, which is spread, mats formation
Put and spread the fiber of paving and be laid in 1 surface of sub-layer, rear end spreads to mat formation and puts the fiber for spreading paving and be laid in the bituminous concrete after paving
Surface, simple in structure, work efficiency is higher.Asphalt concrete layer 42 is laid with by asphalt-spreader 6, and material passes through self-dumping
Automobile 7 enters in asphalt-spreader 6, more convenient.Ground usually using road roller 5 in the upper surface of top fiber layer 43
Pressure, top fiber layer 43, lowermost fibre layer 41 and asphalt concrete layer 42 is combined closely, with machinery the gravity of itself,
Road pavement surface layer is compacted, and is made to be rolled layer and is produced permanent deformation and closely knit, can concentrate strength on being compacted protrusion, be compacted flatness
It is high.
Construction method provided by the utility model is illustrated by Specific construction process：
Step A：Inspection and evaluation is carried out to existing cement-concrete pavement, carries out reinforcement if necessary.Meanwhile block and hand in construction section
It is logical, prepare material requested and construction machinery.
Step B：Old pavement is cleared up, old pavement identifier marking is removed using polishing removing method and other are difficult to clean off
Attachment, then using air compressor machine connection high-pressure spray gun blow surface dirt debris.
Step C：It is priming oil to select emulsified asphalt, sprays permeable layers on the road surface after completing to clear up using pitch sprinkling car
Oil, its dosage are chosen according to code requirement.
Step D：Modified emulsifying asphalt is selected after priming oil demulsification, to exist immediately using bituminous distributor as sticking layer oil
Sticking layer oil is sprayed on old pavement, its dosage is chosen according to code requirement.
Step E：After sticking layer oil demulsification, followed by making bituminous concrete, with the advance of asphalt-spreader 6, uses
Spread to mat formation and put the fibre of the steel after processing that paving length 30mm, equivalent diameter 0.3mm~0.8mm are spread in the front of asphalt-spreader 6
Dimension is used as lowermost fibre, lowermost fibre is crushed on the bottom of bituminous concrete, and it is 1.4kg/m to spread paving amount2.Meanwhile using spreading
Mat formation to put and paving length 10mm, the steel fibre after processing of equivalent diameter 0.2mm are spread in the front of asphalt-spreader 6 as upper strata
Fiber, i.e., spread paving top fiber on the surface of bituminous concrete, and it is 1.4kg/m to spread paving amount2。
Step F：The section finished to top fiber, rolls asphalt concrete pavement using dual-steel wheel road roller 5,
Rolling layer is no less than 4 times, fully compacting, fiber is combined closely with bituminous concrete.
Step G：The asphalt concrete pavement finished to compacting conserves, and pays attention to road cleaning and waterproof, treats that pitch mixes
, can open to traffic when solidifying soil surface temperature is less than 50 DEG C.
Steel fibre asphalt concrete pavement pavement performance and the comparison on asphalt concrete road surface in this example：
, it is necessary to explanation in the description of the utility model, the orientation or position relationship of the first-class instruction of term be based on
Orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplify description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the utility model.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of fiber asphalt concrete road surface, it is characterised in that including sub-layer, be sprayed on the sub-layer (1) upper surface
Permeable layers (2), injection in the permeable layers (2) upper surface adhesion coating (3), be laid in the lowermost fibre of the adhesion coating (3) upper surface
Layer (41), be laid in the asphalt concrete layer (42) of lowermost fibre layer (41) upper surface, be laid in the bituminous concrete
The top fiber layer (43) of layer (42) upper surface, the top fiber layer (43), the lowermost fibre layer (41) and the pitch
Concrete layer (42) is combined closely.
2. fiber asphalt concrete road surface according to claim 1, it is characterised in that the top fiber layer (43) is conjunction
Into fibrous layer, steel fibre layer or carbon fiber layer；The lowermost fibre layer (41) is synthetic fiber layer, steel fibre layer or carbon fiber
Layer.
3. fiber asphalt concrete road surface according to claim 2, it is characterised in that the top fiber layer (43) and institute
State lowermost fibre layer (41) and be more than 500MPa for tensile strength, fusing point is more than 220 DEG C, the fibrous layer of antirust corrosion-proof.
4. fiber asphalt concrete road surface according to claim 3, it is characterised in that the top fiber layer (43) is fibre
Dimension length is 10mm~15mm, and fiber equivalent diameter is the fibrous layer of 0.18mm~0.24mm.
5. fiber asphalt concrete road surface according to claim 4, it is characterised in that the lowermost fibre layer (41) is fibre
Dimension length is 25mm~40mm, and fiber equivalent diameter is the fibrous layer of 0.3mm~1.0mm.
6. fiber asphalt concrete road surface according to claim 5, it is characterised in that the top fiber layer (43) and institute
The value for spreading paving amount m of lowermost fibre layer (41) is stated, passes through formulaDetermine,
Wherein the unit of m is kg/m2,
Wherein：N=At/As,
D is fiber equivalent diameter,
L is fibre length,
N is to spread paving number of fiber,
AtPaving fiber area is spread for unit square metre, takes 0.25m2-0.5m2,
AsFor fiber tiling equivalent area, As=D × L.
7. according to claim 1-6 any one of them fiber asphalt concretes road surface, it is characterised in that the bituminous concrete
The thickness of layer (42) is 40mm~60mm.
8. fiber asphalt concrete road surface according to claim 7, it is characterised in that the asphalt concrete layer (42) is logical
Asphalt-spreader (6) laying is crossed, the front-end and back-end of the asphalt-spreader (6), which are mounted on fiber, spreads to mat formation and put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960190.0U CN207314073U (en) | 2017-08-02 | 2017-08-02 | A kind of fiber asphalt concrete road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960190.0U CN207314073U (en) | 2017-08-02 | 2017-08-02 | A kind of fiber asphalt concrete road surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207314073U true CN207314073U (en) | 2018-05-04 |
Family
ID=62433993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720960190.0U Expired - Fee Related CN207314073U (en) | 2017-08-02 | 2017-08-02 | A kind of fiber asphalt concrete road surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207314073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227668A (en) * | 2017-08-02 | 2017-10-03 | 广东工业大学 | A kind of fiber asphalt concrete road surface and its construction method |
| CN115627676A (en) * | 2022-09-20 | 2023-01-20 | 中铁十一局集团有限公司 | Road construction is with road surface device of paving |
-
2017
- 2017-08-02 CN CN201720960190.0U patent/CN207314073U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227668A (en) * | 2017-08-02 | 2017-10-03 | 广东工业大学 | A kind of fiber asphalt concrete road surface and its construction method |
| CN115627676A (en) * | 2022-09-20 | 2023-01-20 | 中铁十一局集团有限公司 | Road construction is with road surface device of paving |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 |