CN110080054A - A kind of substep paves the method for the multi-functional thin layer of color asphalt - Google Patents
A kind of substep paves the method for the multi-functional thin layer of color asphalt Download PDFInfo
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- CN110080054A CN110080054A CN201910410301.4A CN201910410301A CN110080054A CN 110080054 A CN110080054 A CN 110080054A CN 201910410301 A CN201910410301 A CN 201910410301A CN 110080054 A CN110080054 A CN 110080054A
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- thin layer
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- paves
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
Abstract
It paves the method for the multi-functional thin layer of color asphalt the present invention provides a kind of substep, is related to laying of roadway technical field, thinner, pavement performance more preferably road surface can not only be obtained, moreover it is possible to by high-performance road surface in conjunction with common laying equipment, optimized allocation of resources；This method step includes: S1, prepares chromatic bitumen mixture；S2, the sprinkling that adhesion coating is carried out using spray appliance；S3, after adhesion coating solidification, use laying equipment to carry out chromatic bitumen mixture and pave；S4, the chromatic bitumen mixture progress static state after paving is rolled；The chromatic bitumen mixture includes: the rubble of 5~10mm: 68~72 parts, aggregate chips of the partial size less than 3mm: 22~26 parts, miberal powder or cement: 1.6~2.4 parts, color modified pitch: 4~6 parts.Technical solution provided by the invention is suitable for the paving process of road surface layer.
Description
[technical field]
It paves the side of the multi-functional thin layer of color asphalt the present invention relates to laying of roadway technical field more particularly to a kind of substep
Method.
[background technique]
Colorful Asphalt Pavement has significantly aesthetic road environmental effect, preferably coordinates, beautifies with the art of architecture of surrounding
City induces traffic, promotes the functions such as traffic safety, the monotonicity for significantly improving general black road surface, so just
The regions such as the traffic guidance section of the newly-built road in significant city, square, high-grade highway are being increasingly used for, thus
The characteristic and style of a country or a city can be embodied.What China various regions were all different degrees of at present has built color asphalt
Road surface.
However, on the one hand, the either traditional decompression of the production ways of color asphalt takes off matter and still utilizes modern industry stone
Oiling chemical product mix with asphalt performance comparable polymer light color cementing material, price is all considerably beyond current common
The price of pitch or modified pitch；To make the cost on entire color asphalt road greatly improve, color asphalt is seriously constrained
The popularization and development on road surface.On the other hand, the quantity of existing high-performance paver or insufficient, in industry to superior
The demand on the road surface of pavement performance is gradually increased, and the demand to high-performance paver is also growing day by day, so that high-performance paver
Using anxiety, and a large amount of common pavers are idle, and resource distribution is unreasonable.In another aspect, existing color asphalt coagulation
Dirt road less than optimal performance has poor antiskid performance, poor waterproof properties, travels the spies such as noise is big, rutting resistance is poor, durability is poor
Point；Existing market is other than traditional AC-13 chromatic bitumen mixture road surface, and there are also partial colour ultra-thin wearing layer road surfaces, though
So comparing AC road surface structare layer thickness and pavement performance has part to be promoted, but also shows slightly insufficient, and especially durability is poor.
It paves the method for the multi-functional thin layer of color asphalt therefore, it is necessary to design a kind of new substep, to solve or mitigate
Said one or multiple problems.
[summary of the invention]
In view of this, paving the method for the multi-functional thin layer of color asphalt the present invention provides a kind of substep, can not only obtain
Obtain thinner, pavement performance more preferably road surface, moreover it is possible to by high-performance road surface in conjunction with common laying equipment, optimization resource point
Match.
On the one hand, the present invention provides a kind of method that substep paves the multi-functional thin layer of color asphalt, which is characterized in that step
Include:
S1, chromatic bitumen mixture is prepared；
S2, the sprinkling that adhesion coating is carried out using spray appliance；
S3, after adhesion coating solidification, use laying equipment to carry out chromatic bitumen mixture and pave；
S4, the chromatic bitumen mixture progress static state after paving is rolled, it is multi-functional that color asphalt is obtained after pavement forming
Thin layer.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, in the S2
Adhesion coating is not viscous wheel modified emulsifying asphalt adhesion coating or epoxy resin adhesion coating.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the adhesion coating
Fountain height is 0.8L/m2~1.0L/m2。
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the tool of the S1
Body step includes:
S101, the aggregate chips by the rubble of 5mm~10mm, partial size less than 3mm are heated up to 175 DEG C~190 DEG C；It will be color modified
Pitch is warmed to 140 DEG C~160 DEG C；
Rubble that 68~72 parts of partial sizes are 5mm~10mm, 22~26 parts of partial sizes are less than the stone of 3mm by S102, by weight
Bits, 1.6~2.4 parts of miberal powders or cement transportation to stirring container are mixed and stirred；
S103, the color modified pitch that parts by weight are 4~6 parts is added in stirring container and is mixed and stirred, obtain colour
Asphalt.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the S102's
Mixing time is 8s~10s；The mixing time of the S103 is 35s~40s.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, coloured silk described in S3
The paving material of color asphalt is 150 DEG C~160 DEG C, is pressed after paving using electrically heated vibration screed.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the colored drip
The spreading speed of green mixture is 8m/min~20m/min；The paving thickness of the chromatic bitumen mixture be 1.0cm~
2.0cm。
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the S4 are specific
It is rolled including carrying out at least twice of static state before pavement temperature is down to 120 DEG C.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the colored drip
The porosity of green multi-functional thin layer is 10% or more, is 80% or more together with hole.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the colored drip
The construction depth of green multi-functional thin layer is greater than 1.2mm.
Compared with prior art, the present invention can be obtained including following technical effect: multifunctional colour thin layer of the invention
Using substep Paving Techniques, on the basis of guaranteeing pavement performance, it is (such as same to high-performance paver to can solve thin layer construction
Walk paver) dependence；The multi-functional thin layer of color asphalt has more preferably Pavement Performance, has antiskid, water-mist-proof, noise reduction, resistance to
The advantages that property is good long, avoids the diseases such as track, the pit slot that common color bituminous pavement often occurs well；Multi-functional thin layer is thick
Degree is only 1cm~2cm, reduces material utilization amount, and energy conservation and environmental protection reduces cost.
Certainly, it implements any of the products of the present invention it is not absolutely required to while reaching all the above technical effect.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that substep provided by one embodiment of the present invention paves the paving method process of the multi-functional thin layer of color asphalt
Figure.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
Existing colored road surface cost is high, to reduce cost, first is that the cost of raw material (color asphalt) is reduced, second is that reducing
The thickness of structure sheaf.In terms of the cost of raw material, due to the market of its complicated production process and minorityization, so that color asphalt
Price as binder is always in run at high level；In terms of the thickness of structure sheaf,.
A kind of multi-functional thin layer of the color asphalt that substep paves, it is multi-functional using the technique making color asphalt to pave step by step
Thin layer, wherein the raw material for being prepared as following parts by weight of multi-functional thin layer:
Coarse aggregate is the rubble that partial size is 5~10mm: 68~72 parts；
Fine aggregate is the aggregate chips that partial size is less than 3mm: 22~26 parts；
Filler is miberal powder or cement: 1.6~2.4 parts；
Color modified pitch: 4~6 parts.
Adhesion coating is 0.7~1 part using not viscous wheel SBS modified emulsifying asphalt adhesion coating or epoxy resin adhesion coating, parts by weight.
The process for the multi-functional thin layer of color asphalt that substep paves is as shown in Figure 1, step includes:
Step 1: preparing thin layer mixture；
Chromatic bitumen mixture used in the multi-functional thin layer of color asphalt can be carried out with the asphalt mixer plant of any model
Above-mentioned 5~10mm rubble, partial size are less than 3mm aggregate chips and are heated up to 175~190 DEG C, color modified pitch is heated up to by mixing
140~160 DEG C, then 68~72 parts of 5~10mm rubbles, 22~26 parts of partial sizes be less than 3mm aggregate chips, 1.6~2.4 parts of miberal powders or
In cement transportation to the stirring container of asphalt mixer plant, mix and stir 8~10 seconds；Then 4~6 parts of color modified pitches are added to mix
With 35~40 seconds, that is, can be made into the multi-functional thin layer mixture of color asphalt；The temperature of chromatic bitumen mixture is when mixing and stirring completion
160~180 DEG C, preferable temperature is 165~175 DEG C.
Step 2: substep paves；
It carries out substep to pave, the first step cannot not spray viscously the adhesion coating of wheel modified emulsifying asphalt first or epoxy resin adhesion coating is being spread
, can be after the above paver after adhesion coating solidification on the road surface built, then upper paver progress chromatic bitumen mixture paves.
The sprinkling of adhesion coating: several hours before chromatic bitumen mixture paves start to carry out the sprinkling of not viscous wheel adhesion coating.It is viscous
Layer meets high viscosity, can be temporary fixing, after solidification can upper construction machinery, cannot not can be viscously specifically take turns modified emulsifying asphalt adhesion coating or
Person's epoxy resin adhesion coating.Spray appliance uses adhesion coating sprinkling wagon.The necessary accurate measurement of fountain height, to guarantee that pavement spread is equal
Even, ideal fountain height is 0.8~1.0L/m2, for disparity items, can be carried out calculating the tune with fountain height by field engineer
It is whole.
Chromatic bitumen mixture paves: wheel emulsified asphalt cannot be not being sprayed viscously, and emulsified asphalt layer is temporary fixing, it is full
It can start paving for mixture completely after the requirement of the above construction machinery, work progress scene temperature must not be lower than 10 DEG C, no
It can construct in the rain.
It includes hopper, conveyor width are adjustable using common laying equipment for the multi-functional thin layer of multiple step format color asphalt
The parts such as vibration, the screed that vibrates.Equipment can complete hot asphalt mixture and pave and press.The paving width of paver can
It adjusts, to reach ideal road surface effect.
Chromatic bitumen mixture paving material is about 150~160 DEG C, and colored hot asphalt mixture paves to be sprayed in all adhesion coatings
It spills on surface, and is pressed by electrically heated vibration screed.The multi-functional thin layer of color asphalt paves must determine booth in advance
Width and thickness are spread, in order to project amount statistics.
Chromatic bitumen mixture, to construction site, mixes color asphalt using plain asphalt paver by vehicle transport
Material pave on road surface, asphalt-spreader in the operation process for paving chromatic bitumen mixture, sprayed and it is cured not
Viscous wheel modified emulsifying asphalt or epoxy adhesion coating melt and are formed foam under the action of chromatic bitumen mixture thermal energy, and rising is wrapped up in
It is attached to the building stones surrounding of chromatic bitumen mixture lower part, and starts demulsification, solidification；To realize that chromatic bitumen mixture is held under
The efficient bonding of layer.Spreading speed control in 8~20m/min, the paving thickness of chromatic bitumen mixture be 1.0~2.0cm (by
Specific road conditions and design drawing determine).
Step 3: rolling.
The multi-functional thin layer of color asphalt rolls and must carry out at least twice before pavement temperature is down to 120 DEG C and rolled
Journey.It must be compacted at once after chromatic bitumen mixture paves, carry out static stone roller using 9~12 tons of dual-steel wheel road rollers
Pressure, rolls 2~3 times, makes pavement forming.Road roller static cannot rest on the hot asphalt mixture surface just to have paved.
Road roller must be safeguarded well, have reliable operation stability, soap lye water add-on system and scraper plate are equipped with, to prevent from newly spreading out
Colored hot asphalt mixture is spread to be sticked on rolling wheel.There are two types of working conditions for steel roller, and one is do not open rolling for vibration
State is called static pressure, and also referred to as static state rolls；Another kind is that vibration rolls, and is that steel wheel is rolled in vibration.Thin layer of the invention
Roll and usually carry out in a static manner, need to determine grinding operation width before rolling, completion and road surface temperature are being rolled in new road surface
Degree can open to traffic after being cooled to 50 DEG C or less.
Wherein, the coarse aggregate rubble in multi-functional thin layer mixture is specific using ragstones such as basalt, diabases
Index it is as shown in table 1.
1 coarse aggregate performance indicator of table
| Pilot project | Test method | Unit | It is required that |
| Los Angeles abrasion loss | T 0317–2005 | % | 23max |
| Elongated flat granule content 3:1 | T 0312–2005 | % | 10max |
| The single plane of disruption | T 0346–2000 | % | 100min |
| Two or more planes of disruption | T 0346–2000 | % | 90min |
| With asphalt adhesion | T 0616–1993 | - | > 5 |
Fine aggregate in multi-functional thin layer mixture is that partial size is less than 3mm aggregate chips, and specific targets are as shown in table 2.
2 fine aggregate performance indicator of table
| Pilot project | Test method | Unit | It is required that |
| Sand equivalent | T 0334–2005 | % | 60min |
| Fine aggregate angularity test | T 0344–2000 | % | 30min |
Filler in multi-functional thin layer mixture preferably uses the hydrophobicities such as limestone building stones through levigate obtained miberal powder, miberal powder
It is required that dry, clean, gradation must satisfy the requirement of table 3.
The requirement of 3 filler gradation of table
| Screen size (mm) | Percent of pass (%) |
| 0.6 | 100 |
| 0.075 | >75 |
Color modified pitch in multi-functional thin layer mixture (usually has red, green in addition to the color for meeting design requires
Color, blue, yellow, brown etc.), asphalt performance also needs to meet the index in table 4.
The color modified asphalt performance indexes of table 4
The not viscous wheel modified emulsifying asphalt adhesion coating or epoxy adhesion coating that multi-functional thin layer uses, have good adhesive property and
Water resistant characteristic；Meanwhile, it is capable to it is temporary fixing after realizing sprinkling, accomplish not glue wheel；Meet the very thin characteristic of multifunctional colour thin layer
With the requirement of gap gradation or open gradation.
The multi-functional thin layer of color asphalt uses the gap gradation that matches with construction technology or cut-offs gradation, enable coarse fodder with
Polymer modification emulsified asphalt bonds well, while thick skeleton shape keeps the function of good antiskid, noise reduction, draining；Wherein
Mixture gradation requires as shown in table 5.
5 thin layer mixture gradation index of table
The bulk properties of the chromatic bitumen mixture of preparation are as shown in table 6, and the dosage of mixture requires as shown in table 7, to mix
The performance indicator for closing material is as shown in table 8.
6 mixture volume characteristic of table
| Project | It is required that |
| Porosity Va (%), Min | 10 |
| Void in mineral aggregate VMA (%), Min | 21 |
| Pitch interstitial rate VFA (%), | 30-60 |
The requirement of 7 mixture asphalt content of table
| Project | It is required that |
| Oil film thickness (μm), Min | 9 |
| Ratio of filler bitumen (%), Max | 1.4 |
8 mixture performance index of table
| Project | It is required that |
| Dynamic stability (secondary/min), Min | 4000 |
| Freeze-thaw split intensity TSR (%), Min | 80 |
| Analysis leakage (%), Max | 0.1 |
The present invention multi-functional thin layer of color asphalt that paves of substep is compared to plain edition AC-13 Colorful Asphalt Pavement and ultra-thin
Wearing course has many advantages, is summarized as follows:
1, the AC-13 asphaltic road-mix surface course that current China is mostly used using the design of color asphalt superficial layer cover, 3~
The thickness of 4cm is the lower limit of its design, it is difficult to which one can not be formed by further reducing thickness because Laminate construction thickness is too thin
A effective entirety, may generate construction when due to temperature decline it is too fast to can not timely and effectively be rolled,
The risks such as it is easy to fall off after being open to traffic；The thickness on colour ultra-thin wearing course road surface is minimum to be also required to maintain 1.5cm or more；And this hair
Bright multi-functional thickness of thin layer is only 1cm~2cm, minimum thickness up to 1cm, be common AC-13 type bituminous pavement four/
One or one third, one third is also reduced than ultra-thin wearing layer thickness, reduces material utilization amount, energy conservation and environmental protection reduces cost；
2, multifunctional colour thin layer of the invention has more preferably Pavement Performance, has antiskid, water-mist-proof, noise reduction, durable
The advantages that property is good；The diseases such as track, the pit slot that common color bituminous pavement often occurs are avoided well；Since color asphalt is more
Function thickness of thin layer is only 1.0~2.0cm, and the maximum particle diameter of rubble has reached 9.5mm, can effectively support road surface running vehicle
When the wheel pressure that is transmitted, so rutting deformation will not be caused in so thin structure sheaf；Modified emulsifying asphalt adhesion coating,
The thickness of asphalt membrane is about 0.7mm after solidification, and effect does not make still to bond securely between thin layer and sub-layer, also very
Play the role of it well as waterproof layer, surface water can be cut off and penetrated among next layer under pressure of driving a vehicle, from this layer
From the point of view of face, multifunctional colour thin layer protects sub-layer well, reduces the pit slot as caused by water destruct；
3, the multi-functional thin layer of color asphalt of the present invention is using cut-offfing gradation design, 10% or more macroporosity and up to
80% or more interconnected pore rate can take into account road surface drainage function, while increase its durability；Macroporosity makes it anti-
It is more excellent than prevailing roadway in terms of sliding, reduction water mist, reduction noise；In antiskid aspect of performance, construction depth requires to be greater than 0.8mm,
1.2mm can be generally greater than, coefficient of friction can be maintained for a long time even better after being open to traffic；Wherein, interconnected pore rate: refer to
The quantity that single hole all communicates with one another accounts for the ratio of total pore space quantity；
4, using substep Paving Techniques, wheel modified emulsifying asphalt adhesion coating or epoxy adhesion coating cannot not be dispensed viscously first, is applied to pass through
It can solve thin on the basis of guaranteeing pavement performance with asphalt concrete paver paved mixture again after work vehicle
Dependence of the layer construction to high-performance paver；In the case where high-performance paver limited amount, high using anxiety, cost,
High performance color asphalt thin layer can be combined with common paver, have very big application value, be solved many practical
Problem；
5, in rebuilding old road, the multi-functional thin layer of making color asphalt is more more advantageous than common color pitch；Firstly,
The thickness of the multi-functional thin layer of color asphalt only has 1.0~2.0cm, and the absolute altitude of road pavement, headroom, draining, dead load influence less, to answer
With convenient, flexible；It is overlayed on old cement concrete road secondly, independent structure layer can be made, plays the role of improving driving condition；So from
Design thickness, pavement performance, application range etc. carry out comprehensive examination and evaluation, the use with higher of the multi-functional thin layer of color asphalt
Value, it not only meets the requirement of colored road surface, and construction method is simple, and maintenance is easy, and cost is not also high.
It paves the method for the multi-functional thin layer of color asphalt, carries out to a kind of substep provided by the embodiment of the present application above
It is discussed in detail.The description of the example is only used to help understand the method for the present application and its core ideas；Meanwhile for this
The those skilled in the art in field, according to the thought of the application, there will be changes in the specific implementation manner and application range,
In conclusion the contents of this specification should not be construed as limiting the present application.
Some vocabulary has such as been used to censure specific components in specification and claims.Those skilled in the art
, it is to be appreciated that hardware manufacturer may call the same component with different nouns.Present specification and claims are not
In such a way that the difference of title is as component is distinguished, but with the difference of component functionally as the criterion of differentiation.Such as
It is an open language in "comprising", " comprising " of the specification and claims in the whole text mentioned in, therefore " packet should be construed to
Containing/including but not limited to "." substantially " refer within the acceptable error range, those skilled in the art can centainly miss
The technical problem is solved in poor range, basically reaches the technical effect.Specification subsequent descriptions be implement the application compared with
Good embodiment, so the description is being not intended to limit the scope of the present application for the purpose of the rule for illustrating the application.
The protection scope of the application is subject to view the appended claims institute defender.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the application
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection scope of the appended claims.
Claims (10)
- A kind of method of the multi-functional thin layer of color asphalt 1. substep paves, which is characterized in that step includes:S1, chromatic bitumen mixture is prepared；S2, the sprinkling that adhesion coating is carried out using spray appliance；S3, after adhesion coating solidification, use laying equipment to carry out chromatic bitumen mixture and pave；S4, the chromatic bitumen mixture progress static state after paving is rolled, the multi-functional thin layer of color asphalt is obtained after pavement forming.
- The method of the multi-functional thin layer of color asphalt 2. substep according to claim 1 paves, which is characterized in that the S1's Specific steps include:S101, the aggregate chips by the rubble of 5mm~10mm, partial size less than 3mm are heated up to 175 DEG C~190 DEG C；By color modified pitch It is warmed to 140 DEG C~160 DEG C；S102, by weight, by the aggregate chips of rubble, 22~26 parts of partial sizes less than 3mm that 68~72 parts of partial sizes are 5mm~10mm, 1.6~2.4 parts of miberal powders or cement transportation to stirring container are mixed and stirred；S103, the color modified pitch that parts by weight are 4~6 parts is added in stirring container and is mixed and stirred, obtain color asphalt Mixture.
- The method of the multi-functional thin layer of color asphalt 3. substep according to claim 2 paves, which is characterized in that the S102 Mixing time be 8s~10s；The mixing time of the S103 is 35s~40s.
- The method of the multi-functional thin layer of color asphalt 4. substep according to claim 1 paves, which is characterized in that in the S2 Adhesion coating be not viscous wheel modified emulsifying asphalt adhesion coating or epoxy resin adhesion coating.
- The method of the multi-functional thin layer of color asphalt 5. substep according to claim 1 paves, which is characterized in that the adhesion coating Fountain height be 0.8L/m2~1.0L/m2。
- The method of the multi-functional thin layer of color asphalt 6. substep according to claim 1 paves, which is characterized in that described in S3 The paving material of chromatic bitumen mixture is 150 DEG C~160 DEG C, is pressed after paving using electrically heated vibration screed.
- The method of the multi-functional thin layer of color asphalt 7. substep according to claim 6 paves, which is characterized in that the colour The spreading speed of asphalt is 8m/min~20m/min；The paving thickness of the chromatic bitumen mixture be 1.0cm~ 2.0cm。
- The method of the multi-functional thin layer of color asphalt 8. substep according to claim 1 paves, which is characterized in that the S4 tool Body includes carrying out at least twice of static state before pavement temperature is down to 120 DEG C to roll.
- 9. -8 any substeps pave the method for the multi-functional thin layer of color asphalt according to claim 1, which is characterized in that institute The porosity for stating the multi-functional thin layer of color asphalt is 10% or more, and interconnected pore rate is 80% or more.
- The method of the multi-functional thin layer of color asphalt 10. substep according to claim 9 paves, which is characterized in that the coloured silk The construction depth of the multi-functional thin layer of color pitch is greater than 1.2mm.
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| NL1024952C2 (en) * | 2003-12-05 | 2005-06-14 | Frans Werner Uhl | Hard paving or floor coating laying method, by scattering particles onto warm surface layer and cutting through them after compaction and cooling |
| CN101929119A (en) * | 2010-08-25 | 2010-12-29 | 广州新粤交通技术有限公司 | Color asphalt ultrathin wearing layer and preparation method thereof |
| CN104032639A (en) * | 2014-06-19 | 2014-09-10 | 广州新粤交通技术有限公司 | Ice condensation resistant ultra-thin wearing course pavement and preparation method thereof |
| CN109610259A (en) * | 2018-11-19 | 2019-04-12 | 厦门华特公路沥青技术有限公司 | A kind of road ultra-thin wearing layer and preparation method thereof |
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