CN107227668A - A kind of fiber asphalt concrete road surface and its construction method - Google Patents
A kind of fiber asphalt concrete road surface and its construction method Download PDFInfo
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- CN107227668A CN107227668A CN201710651360.1A CN201710651360A CN107227668A CN 107227668 A CN107227668 A CN 107227668A CN 201710651360 A CN201710651360 A CN 201710651360A CN 107227668 A CN107227668 A CN 107227668A
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- layer
- fiber
- asphalt concrete
- fibre
- road surface
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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
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
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- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a kind of fiber asphalt concrete road surface, including sub-layer, the permeable layers of the sub-layer upper surface, the lowermost fibre layer for spraying adhesion coating in the permeable layers upper surface, being laid in the adhesion coating upper surface, the asphalt concrete layer for being laid in the lowermost fibre layer upper surface, the top fiber layer for being laid in the asphalt concrete layer upper surface are sprayed on, the top fiber layer, lowermost fibre layer are combined closely with the asphalt concrete layer.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.The invention also discloses a kind of construction method on fiber asphalt concrete road surface, its advantage is identical with above-mentioned beneficial effect.
Description
Technical field
The present invention relates to traffic technical field of construction, more particularly to a kind of fiber asphalt concrete road surface and its apply
Work method.
Background technology
The Random early Detection of bituminous paving is various and complicated, especially damages the most serious with rut to ftracture.As China hands over
Flux quickly increases, and Heavy Traffic and overloading are increasingly serious so that bituminous concrete cracking is more tight with rut problem
It is high, seriously reduce the service quality of road.Therefore, the cracking and rut of bituminous paving early stage how is prevented and treated, 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 to the cracking for preventing and treating bituminous paving with rut.
At present, fiber and bituminous concrete are mainly put into machinery and stirred jointly by the mode of mixing and stirring of fiber asphalt concrete
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 the problem of fiber concrete mixes and stirs difficulty is solved, is the technical barrier for being badly in need of solving.
The content of the invention
It is an object of the invention to provide a kind of fiber asphalt concrete road surface and its construction method, the fiber asphalt concrete
Road surface and its construction method efficiently solve the problem of fiber concrete mixes and stirs difficulty.
In order to solve the above technical problems, the present invention provides following technical scheme:
A kind of fiber asphalt concrete road surface, including sub-layer, be sprayed on the permeable layers of the sub-layer upper surface, spray in
The adhesion coating of the permeable layers upper surface, it is laid in the lowermost fibre of adhesion coating upper surface layer, is laid on 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 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, top fiber layer is that fibre length is 10mm~15mm, fiber equivalent diameter be 0.18mm~
0.24mm fibrous layer;
The lowermost fibre layer is that fibre length is 25mm~40mm, and fiber equivalent diameter is 0.3mm~1.0mm fiber
Layer.
Preferably, the paving of spreading of the top fiber layer and lowermost fibre layer measures m, passes through formula(unit:kg/m2) determine,
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, 0.25m is taken2-0.5m2,
AsFor fiber tiling equivalent area, As=D × L.
Preferably, the thickness of the asphalt concrete layer is 40mm~60mm.
The present invention also provides a kind of construction method on fiber asphalt concrete road surface, including step:
In the upper surface sprinkling priming oil formation permeable layers of sub-layer, form viscous in the upper surface sprinkling sticking layer oil of the permeable layers
Layer;
In the upper surface tiling lowermost fibre formation lowermost fibre layer of the adhesion coating, in the upper surface of lowermost fibre layer
Tile bituminous concrete formation asphalt concrete layer, on the upper surface tiling top fiber formation upper strata of the asphalt concrete layer
Fibrous layer;
Rolled in the upper surface of top fiber layer, make the top fiber layer, lowermost fibre layer and institute
Asphalt concrete layer is stated to combine closely.
Preferably, also include before the upper surface sprinkling priming oil formation permeable layers of sub-layer:Newly-built sub-layer is entered
Row is cleaned and dried, and reinforcement is carried out to old sub-layer.
Preferably, it is additionally included in pitch stand before the upper surface tiling lowermost fibre formation lowermost fibre layer of the adhesion coating
The front-end and back-end of paving machine, which are respectively mounted fiber, spreads to mat formation and puts.
Preferably, the fiber asphalt of construction section is mixed after being rolled in the upper surface of top fiber layer
Solidifying soil surface is conserved.
Fiber asphalt concrete road surface provided by the present invention, including sub-layer, permeable layers, adhesion coating, lowermost fibre layer, pitch
Concrete layer, top fiber layer, sub-layer be located at the bottom, based on layer, sub-layer upper surface cleaning, dry, have sufficiently strong
Degree.Permeable layers are sprayed on sub-layer upper surface, and adhesion coating is sprayed in permeable layers upper surface, and lowermost fibre layer is laid in adhesion coating upper surface, dripped
Blue or green concrete layer is laid in lowermost fibre layer upper surface, and top fiber layer is laid in asphalt concrete layer upper surface, that is,
Priming oil and sticking layer oil are successively sprayed on sub-layer upper surface, lowermost fibre is held under being laid in after sprinkling priming oil and sticking layer oil
Layer upper surface, top fiber is laid in the bituminous concrete upper surface after paving.Top fiber layer, lowermost fibre layer are mixed with pitch
Solidifying soil layer is combined closely, and forms the asphalt concrete pavement of double layer fibre.
Fiber asphalt concrete road surface provided by the present invention, lowermost fibre layer, asphalt concrete layer, top fiber layer point
Do not tile, fiber and concrete need not be mixed and stirred, and process is simple, it is easy to operate, it is to avoid fiber and concrete difficulty are mixed and stirred, and are mixed and stirred
Irregular the problem of, easy construction reduces fibers content, reduces cost, significantly improves the tension of bituminous concrete bottom
Intensity and the anti-rut behavior on surface;Utilization of the fiber asphalt concrete in real road engineering is promoted simultaneously.
The present invention also provides a kind of construction method on fiber asphalt concrete road surface, including step:In the upper table of sub-layer
Face sprinkling priming oil formation permeable layers, in the upper surface sprinkling sticking layer oil formation adhesion coating of permeable layers;In the upper surface tiling lower floor of adhesion coating
Fiber formation lowermost fibre layer, in the upper surface tiling bituminous concrete formation asphalt concrete layer of lowermost fibre layer, in pitch
The upper surface tiling top fiber formation top fiber layer of concrete layer;Rolled, made in the upper surface of top fiber layer
Layer fibrous layer, lowermost fibre layer are combined closely with asphalt concrete layer.
Specifically, during construction:Priming oil and sticking layer oil are successively sprayed on cleaning, the sub-layer upper surface dried, is treated
Sticking layer oil reach can construction reference when, start making fiber asphalt concrete, lowermost fibre is laid in sub-layer upper surface, upper strata
Fiber is laid in the asphalt concrete layer upper surface after paving.In top fiber layer, lowermost fibre layer and asphalt concrete layer paving
The section finished is built, asphalt concrete pavement is rolled, fully compacting, makes fiber and surface layer above and below bituminous concrete deeper
The combination of degree.
The construction method on fiber asphalt concrete road surface provided by the present invention, lowermost fibre layer, asphalt concrete layer, on
Layer fibrous layer is tiled respectively, and fiber and concrete need not be mixed and stirred, process is simple, it is easy to operate, it is to avoid fiber and concrete
Difficulty is mixed and stirred, the problem of uneven mixing, and easy construction reduces fibers content, reduces cost, significantly improves 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 simultaneously
With.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The structural representation on the fiber asphalt concrete road surface that Fig. 1 is provided for a kind of embodiment in the present invention;
Fig. 2 is the construction schematic diagram of the construction method on fiber asphalt concrete road surface.
Marked in accompanying 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 present invention is to provide a kind of fiber asphalt concrete road surface and its construction method, the fiber asphalt concrete
Road surface and its construction method efficiently solve the problem of fiber concrete mixes and stirs difficulty.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It refer to Fig. 1 and Fig. 2, the fiber asphalt concrete road that Fig. 1 is provided for a kind of embodiment in the present invention
The structural representation in face;Fig. 2 is the construction schematic diagram of the construction method on fiber asphalt concrete road surface.
In a kind of embodiment, fiber asphalt concrete road surface provided by the present invention, including sub-layer, permeable layers
2nd, adhesion coating 3, lowermost fibre layer 41, asphalt concrete layer 42, top fiber layer 43, sub-layer be located at the bottom, based on layer, under
Hold the cleaning of the upper surface of layer 1, dry, there is sufficient intensity.Permeable layers 2 are sprayed on the upper surface of sub-layer 1, and adhesion coating 3 is sprayed in the upper table of permeable layers 2
Face, lowermost fibre layer 41 is laid in the upper surface of adhesion coating 3, and asphalt concrete layer 42 is laid in 41 upper surface of lowermost fibre layer, upper strata
Fibrous layer 43 is laid in the upper surface of asphalt concrete layer 42, that is, successively sprays priming oil and viscous on the upper surface of sub-layer 1
Layer oil, lowermost fibre be laid in sprinkling priming oil and sticking layer oil after the upper surface of sub-layer 1, top fiber is laid in pave after
Bituminous concrete upper surface.Top fiber layer 43, lowermost fibre layer 41 are combined closely with asphalt concrete layer 42, form double-deck fine
The asphalt concrete pavement of dimension.
Fiber asphalt concrete road surface provided by the present invention, lowermost fibre layer 41, asphalt concrete layer 42, top fiber
Layer 43 is tiled respectively, fiber and concrete need not be mixed and stirred, and process is simple, it is easy to operate, it is to avoid fiber and concrete difficulty are mixed
The problem of with, uneven mixing, easy construction reduces fibers content, reduces cost, significantly improves bituminous concrete bottom
Tensile strength and surface anti-rut behavior;Utilization of the fiber asphalt concrete in real road engineering is promoted simultaneously.
Above-mentioned fiber asphalt concrete road surface is only a kind of preferred scheme, is specifically not limited thereto, on this basis may be used
Make according to actual needs with targetedly adjusting, so as to obtain different embodiments, top fiber layer 43 can be conjunction
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 a part 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, the high-temperature stability of bituminous concrete is improved, improves asphalt concrete pavement
Anti-rut behavior.
Preferably, top fiber layer 43 and lowermost fibre layer 41 are that tensile strength is more than 500MPa, 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, and only need to meet tensile strength is more than
500MPa, fusing point is more than 220 DEG C, the characteristic of antirust corrosion-proof, that is, meet the fiber of this characteristic be applied to 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 chopped fiber, and top fiber layer 43 is that fibre length is 10mm
~15mm, fiber equivalent diameter is 0.18mm~0.24mm fibrous layer;Length is 10mm~15mm, and equivalent diameter is 0.18mm
~0.24mm, short glass fibre is easy in compacting process be combined with bituminous concrete upper layer, 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
Simply currently preferred example 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
0.3mm~1.0mm fibrous layer, long fine fibre is easy in compacting process combine closely with the Sub-course Asphalt Concrete, 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 currently preferred example, 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
Embodiment progress is some to be changed, and the paving of spreading of top fiber layer 43 and lowermost fibre layer 41 measures m, passes through formulaUnit:kg/m2It is determined that,
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, 0.25m is taken2-0.5m2,
AsFor fiber tiling equivalent area, As=D × L.
Top fiber layer 43, the paving amount of spreading of lowermost fibre layer 41 calculate more accurate, and consumption is more reasonable, and this spreads paving amount scope only
It is currently preferred scope, other can also be used to spread paving amount.
It is important to note that fiber asphalt concrete road surface provided by the present invention is not intended to be limited to such a feelings
Shape, the thickness of asphalt concrete layer 42 is arbitrary value between 40mm~60mm, including endpoint value, such as is 50mm, specific thickness
It can be chosen according to Practical Project, bituminous concrete thickness, certainly it will be appreciated that above-mentioned bituminous concrete thickness range
It is currently preferred example, other thickness can also be used.
The present invention also provides a kind of construction method on fiber asphalt concrete road surface, including step:In the upper table of sub-layer 1
Face sprinkling priming oil formation permeable layers 2, in the upper surface sprinkling sticking layer oil formation adhesion coating 3 of permeable layers 2;Tiled in the upper surface of adhesion coating 3
Lowermost fibre formation lowermost fibre layer 41, in the upper surface tiling bituminous concrete formation asphalt concrete layer of lowermost fibre layer 41
42, in the upper surface tiling top fiber formation top fiber layer 43 of asphalt concrete layer 42;In the upper table of top fiber layer 43
Face is rolled, and top fiber layer 43, lowermost fibre layer 41 is combined closely with asphalt concrete layer 42.
Specifically, during construction:Priming oil and sticking layer oil are successively sprayed on cleaning, the upper surface of sub-layer 1 dried, is treated
Sticking layer oil reach can construction reference when, start making fiber asphalt concrete, lowermost fibre is laid in the upper surface of sub-layer 1, on
Layer fiber is laid in the upper surface of the asphalt concrete layer after paving 42.It is mixed in top fiber layer 43, lowermost fibre layer 41 and pitch
The section that the solidifying making of soil layer 42 is finished, is rolled to asphalt concrete pavement, fully compacting, is made on fiber and bituminous concrete
The combination of cutting optimal deeper degree.
The construction method on fiber asphalt concrete road surface provided by the present invention, lowermost fibre layer 41, asphalt concrete layer
42nd, top fiber layer 43 tiles respectively, fiber and concrete need not be mixed and stirred, and process is simple, it is easy to operate, it is to avoid fiber and
Concrete difficulty is mixed and stirred, the problem of uneven mixing, and easy construction reduces fibers content, reduces cost, significantly improves pitch
The tensile strength of concrete base and the anti-rut behavior on surface;Fiber asphalt concrete has been promoted in real road engineering simultaneously
In utilization.
The construction method on fiber asphalt concrete road surface provided by the present invention, in the case of other parts are immovable,
Preparation before construction, also includes before the upper surface sprinkling priming oil formation permeable layers 2 of sub-layer 1:Newly-built sub-layer 1 is entered
Row is cleaned and dried, and reinforcement is carried out to old sub-layer 1.At the same time, the emulsified asphalt needed for permeable layers 2 and adhesion coating 3 is got out
And modified emulsifying asphalt, meet the upper and lower layer fiber of construction requirement, plant equipment needed for bituminous concrete and construction is convenient real
With.
In order to be conserved after further optimizing above-mentioned technical proposal, construction, carried out in the upper surface of top fiber layer 43
The fiber asphalt concrete road surface of construction section is conserved after rolling.During construction section is conserved, road surface is cleared up, is prohibited
Only vehicle pass-through, treats that pavement temperature is down to 50 DEG C, just can unlocking vehicle pass through.
Construction method provided by the present invention is illustrated by Specific construction process:
Step A:Inspection and evaluation is carried out to existing cement-concrete pavement, reinforcement is carried out 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:Selection emulsified asphalt is priming oil, and permeable layers are sprayed on the road surface after completing cleaning using pitch sprinkling car
Oil, its consumption is chosen according to code requirement.
Step D:Select modified emulsifying asphalt as sticking layer oil, after after priming oil demulsification, existed immediately using bituminous distributor
Sticking layer oil is sprayed on old pavement, its consumption is chosen according to code requirement.
Step E:After after sticking layer oil demulsification, followed by making bituminous concrete, with the advance of asphalt-spreader 6, is used
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 makes lowermost fibre be crushed on the bottom of bituminous concrete as lowermost fibre, and it is 1.4kg/m to spread paving amount2.Meanwhile, using spreading
Mat formation to put and paving length 10mm, the equivalent diameter 0.2mm steel fibre after processing 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, is rolled using dual-steel wheel road roller 5 to asphalt concrete pavement,
Rolling layer is no less than 4 times, fully compacting, fiber is combined closely with bituminous concrete.
Step G:The asphalt concrete pavement that compacting is finished is conserved, road cleaning and waterproof is noted, treats that pitch is mixed
, just 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:
In the description of the invention, it is necessary to which explanation, the orientation or position relationship of the first-class instruction of term are based on accompanying drawing
Shown orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply meaning
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention's
Limitation.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, 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 using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
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), the lowermost fibre that sprays adhesion coating (3) in the permeable layers (2) upper surface, be laid in the adhesion coating (3) upper surface
Layer (41), the asphalt concrete layer (42) for being laid in lowermost fibre layer (41) upper surface, it is laid in the bituminous concrete
The top fiber layer (43) of layer (42) upper surface, the top fiber layer (43), 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 1, it is characterised in that the top fiber layer (43) and institute
It is that tensile strength is more than 500MPa to state lowermost fibre layer (41), and fusing point is more than 220 DEG C, the fibrous layer of antirust corrosion-proof.
4. fiber asphalt concrete road surface according to claim 1, it is characterised in that the top fiber layer (43) is fibre
Dimension length is 10mm~15mm, and fiber equivalent diameter is 0.18mm~0.24mm fibrous layer;
The lowermost fibre layer (41) is that fibre length is 25mm~40mm, and fiber equivalent diameter is 0.3mm~1.0mm fiber
Layer.
5. fiber asphalt concrete road surface according to claim 4, it is characterised in that the top fiber layer (43) and institute
That states lowermost fibre layer (41) spreads paving amount m, passes through formula(unit:kg/
m2) determine,
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, 0.25m is taken2-0.5m2,
AsFor fiber tiling equivalent area, As=D × L.
6. the fiber asphalt concrete road surface according to claim any one of 1-5, it is characterised in that the bituminous concrete
The thickness of layer (42) is 40mm~60mm.
7. a kind of construction method on fiber asphalt concrete road surface, it is characterised in that including step:
In the upper surface sprinkling priming oil formation permeable layers (2) of sub-layer (1), sticking layer oil is sprayed in the upper surface of the permeable layers (2)
Form adhesion coating (3);
In the upper surface tiling lowermost fibre formation lowermost fibre layer (41) of the adhesion coating (3), in lowermost fibre layer (41)
Upper surface tiling bituminous concrete formation asphalt concrete layer (42), the asphalt concrete layer (42) upper surface tile
Top fiber formation top fiber layer (43);
Rolled in the upper surface of top fiber layer (43), make the top fiber layer (43), lowermost fibre layer
(41) combined closely with the asphalt concrete layer (42).
8. construction method according to claim 7, it is characterised in that spray priming oil shape in the upper surface of sub-layer (1)
Also include before into permeable layers (2):Newly-built sub-layer (1) is cleaned and dried, reinforcement is carried out to old sub-layer (1).
9. construction method according to claim 7, it is characterised in that fine in the upper surface tiling lower floor of the adhesion coating (3)
Dimension is additionally included in asphalt-spreader (6) front-end and back-end before forming lowermost fibre layer (41) are respectively mounted fiber and spread to mat formation and put.
10. construction method according to claim 7, it is characterised in that enter in the upper surface of top fiber layer (43)
Go and the fiber asphalt concrete road surface of construction section is conserved after rolling.
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CN108507486A (en) * | 2018-03-13 | 2018-09-07 | 广东工业大学 | A kind of detection method of pavement structure strain |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1276720A1 (en) * | 1984-12-20 | 1986-12-15 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Method of constructing asphalt concrete pavings |
JPH09177014A (en) * | 1995-12-22 | 1997-07-08 | Mitsui Toatsu Chem Inc | Road reinforcing sheet, its manufacture, and reinforcing method for road using it |
CN101806028A (en) * | 2010-03-16 | 2010-08-18 | 武汉理工大学 | Layered steel fiber conductive bituminous concrete |
CN102444070A (en) * | 2011-08-30 | 2012-05-09 | 武汉理工大学 | Double-layer stainless steel fiber conductive cement concrete |
CN205954432U (en) * | 2016-08-09 | 2017-02-15 | 济南大禹环保科技有限公司 | High wear -resisting floor coating |
CN207314073U (en) * | 2017-08-02 | 2018-05-04 | 广东工业大学 | A kind of fiber asphalt concrete road surface |
-
2017
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1276720A1 (en) * | 1984-12-20 | 1986-12-15 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Method of constructing asphalt concrete pavings |
JPH09177014A (en) * | 1995-12-22 | 1997-07-08 | Mitsui Toatsu Chem Inc | Road reinforcing sheet, its manufacture, and reinforcing method for road using it |
CN101806028A (en) * | 2010-03-16 | 2010-08-18 | 武汉理工大学 | Layered steel fiber conductive bituminous concrete |
CN102444070A (en) * | 2011-08-30 | 2012-05-09 | 武汉理工大学 | Double-layer stainless steel fiber conductive cement concrete |
CN205954432U (en) * | 2016-08-09 | 2017-02-15 | 济南大禹环保科技有限公司 | High wear -resisting floor coating |
CN207314073U (en) * | 2017-08-02 | 2018-05-04 | 广东工业大学 | A kind of fiber asphalt concrete road surface |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108507486A (en) * | 2018-03-13 | 2018-09-07 | 广东工业大学 | A kind of detection method of pavement structure strain |
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