CN207003179U - Road surface with dewatering type bituminous epoxy open gradation long-life Friction Surface - Google Patents
Road surface with dewatering type bituminous epoxy open gradation long-life Friction Surface Download PDFInfo
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- CN207003179U CN207003179U CN201720943002.3U CN201720943002U CN207003179U CN 207003179 U CN207003179 U CN 207003179U CN 201720943002 U CN201720943002 U CN 201720943002U CN 207003179 U CN207003179 U CN 207003179U
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Abstract
It the utility model is related to a kind of road surface with dewatering type bituminous epoxy open gradation long-life Friction Surface, including the subcrust, pervious bed, anti-skidding draining top layer set gradually from the bottom to top, wherein described pervious bed includes being sequentially distributed porous concrete layer, metalling and gravel layer from top to bottom, and zone of heating is provided between described porous concrete layer and metalling；The zone of heating includes some carbon fiber heating lines in parallel, the carbon fiber heating line is laid on metalling, two terminations of the carbon fiber heating line connect energization cable by shunt leads respectively, the energization cable is arranged on road surface side, the energization cable extends along road surface bearing of trend, and the shunt leads is provided with power-on switch；Also include the water leg for being arranged on some interconnections of anti-skidding draining top layer sidepiece, the water leg has upward opening, and the both ends of the water leg are provided with the tongue and groove that can mutually overlap.
Description
Technical field
It the utility model is related to a kind of road surface with dewatering type bituminous epoxy open gradation long-life Friction Surface.
Background technology
As the volume of traffic increases rapidly, the problems such as vehicle maximization, overload are serious, vehicle channelization, increasingly highlights, and makes drip
Face a severe test blue or green concrete road surface.How to realize that the long-lived of bituminous paving durable is asked into what various countries road work person faced
Topic.Research at present is mainly by increasing the structural strength of face and cutting optimal in road, to reach the purpose for extending service life, so
And asphalt surface course is because directly and environment contact, service condition harshness, it is relatively low to be used for time limit requirement, it need to meet 12~
The requirement of 15 years, and be limited to 5-8 or so bituminous paving actual medium-capital overhauling years at present, cause top layer and surface layer, basic unit
Life-span mismatches.Meanwhile gradually stepping up with people's awareness of safety, antiskid performance in top layer is also increasingly paid close attention to, and at present
The punishment of road pavement top layer antiskid performance is without preferable effective measures.
In addition, continuous sleety weather, the problem of these methods also can't resolve accumulated snow at all.The sleet weather in winter satisfies the need
Damage caused by face will be more serious, and vehicle traveling is on sleet road and its dangerous, therefore road roadlock caused by sleety weather
The economic loss that broken belt comes will be huge
In view of the defects of above-mentioned, the design people is actively subject to research and innovation, a kind of with the drip of dewatering type epoxy to found
The road surface of blue or green open gradation long-life Friction Surface, make it with more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide and a kind of prevents icy on road thering is dewatering type
The road surface of bituminous epoxy open gradation long-life Friction Surface.
The utility model has a road surface of dewatering type bituminous epoxy open gradation long-life Friction Surface, including from the bottom to top according to
The subcrust of secondary setting, pervious bed, anti-skidding draining top layer, wherein the pervious bed includes being sequentially distributed porous mix from top to bottom
Solidifying soil layer, metalling and gravel layer, vertical aqueduct pass through the porous concrete layer, and its upper end tube nozzle stretches into described porous mixed
Solidifying soil layer, the lower end mouth of pipe stretch into the metalling or gravel layer；Heating is provided between described porous concrete layer and metalling
Layer；The zone of heating includes some carbon fiber heating lines in parallel, and the carbon fiber heating line is laid on metalling, the carbon
Two terminations of fiber line with heating function connect energization cable by shunt leads respectively, and the energization cable is arranged on road surface side,
The energization cable extends along road surface bearing of trend, and the shunt leads is provided with power-on switch；
Also include the water leg for being arranged on some interconnections of anti-skidding draining top layer sidepiece, the water leg has upward
Opening, the both ends of the water leg are provided with the tongue and groove that can mutually overlap.
Further, it is additionally provided with and is pressed against on carbon fiber heating line between the zone of heating and the porous concrete layer
The heat dissipating layer to be come for the heat diffusion for sending carbon fiber heating line, the heat dissipating layer are that anti-rust metal stratum reticulare or carbon are fine
Tie up stratum reticulare.
Further, thermal insulation layer is provided between described pervious bed and subcrust, described thermal insulation layer is by rubble and pottery
The mixture of porcelain waste material, which is piled up, to be formed.
Further, the center height of the pervious bed is higher than the both sides height of pervious bed, folder caused by its difference in height
Angle is not more than 5 degree.
Further, the vertical aqueduct is cylindrical tube, a diameter of 5~15cm of the vertical aqueduct.
Further, the thickness on the anti-skidding draining top layer is 2.5cm to 3cm.
Further, the thickness of the porous concrete layer is 20cm, and the thickness of the metalling is 40cm, the gravel
The thickness of layer is 60cm.
Further, road surface side is additionally provided with solar bracket, and solar panels are provided with the top of the solar bracket, described
Solar bracket is provided with the battery for connecting the solar panels, battery described in the energization cable connection
By such scheme, the utility model at least has advantages below：
Road surface has water penetration, and the seeping phenomenon of road can be comparatively fast eliminated when rainy, prevents icy on road, and can make rain
Water rapidly permeates into underground.In winter, with reference to the heat of solar energy acquisition, the temperature on road surface can be maintained at more than 20 DEG C, prevented
Road snow mantle freezes；The danger that the icing on solution road surface and accumulated snow are brought to vehicle, instead of Snow Agent, solves Snow Agent and make
Into environmental disruption.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is that the pavement structure that the utility model has dewatering type bituminous epoxy open gradation long-life Friction Surface is illustrated
Figure.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Embodiment 1
Referring to Fig. 1, one kind described in the preferred embodiment of the utility model one has dewatering type bituminous epoxy open gradation long-lived
Order Friction Surface road surface, including set gradually from the bottom to top subcrust 1, pervious bed, anti-skidding draining top layer 6, wherein institute
Stating pervious bed includes being sequentially distributed porous concrete layer 5, metalling 3 and gravel layer 2, described porous concrete layer from top to bottom
Zone of heating 4 is provided between metalling；The zone of heating includes some carbon fiber heating lines in parallel, the carbon fiber heating line
It is laid on metalling, two terminations of the carbon fiber heating line connect energization cable by shunt leads respectively, described logical
Electrical cables are arranged on road surface side, and the energization cable extends along road surface bearing of trend, and the shunt leads is opened provided with energization
Close.
In the present embodiment, in addition to it is arranged on the water leg of some interconnections of anti-skidding draining top layer sidepiece, the collection
Tank has upward opening, and the both ends of the water leg are provided with the tongue and groove that can mutually overlap.
The present embodiment, in addition to the water leg 7 of some interconnections of anti-skidding draining top layer sidepiece is arranged on, it is described to catchment
Groove has upward opening, and the both ends of the water leg are provided with the tongue and groove that can mutually overlap.
In the present embodiment, in order to preferably distribute heat, between the zone of heating and the porous concrete layer
It is additionally provided with and is pressed against the heat dissipating layer that the heat diffusion for being used for sending carbon fiber heating line on carbon fiber heating line comes, it is described
Heat dissipating layer is anti-rust metal stratum reticulare or carbon fiber stratum reticulare.Thermal insulation layer is provided between described pervious bed and subcrust, it is described
Thermal insulation layer piled up and form by the mixture of rubble and shraff.During winter, carbon fiber heating line is heated, controls the temperature on road surface
Degree.Pavement temperature can be maintained at 20 DEG C for a long time.Snowy day, there is no accumulated snow and ponding substantially.
In the present embodiment, road surface side is additionally provided with solar bracket, and solar panels, institute are provided with the top of the solar bracket
State solar bracket and be provided with the battery for connecting the solar panels, battery described in the energization cable connection.Solar energy
It is a kind of renewable green energy resource, electric energy, heat energy can be converted into solar energy by collecting device, heat is stored by phase transformation
Hot material stores, and is reused until snow melt.And solar energy acquisition system can be combined with road lighting system, use
In summer road lighting.
Embodiment 2
The present embodiment has the road surface of dewatering type bituminous epoxy open gradation long-life Friction Surface, on the basis of embodiment 1
On, in order to preferably remove the water on road surface, multiple vertical aqueducts, the vertical aqueduct are equipped with the pervious bed
Upper end tube nozzle stretch into the porous concrete layer, the lower end mouth of pipe stretches into the metalling or gravel layer.The vertical aqueduct
For cylindrical tube, a diameter of 5~15cm of the vertical aqueduct.Thus metalling and water storage and the draining energy of gravel layer are utilized
Power, the rainwater on ground is introduced into road-face water-collecting groove, avoids the accumulation of rainwater on the ground.
In the various embodiments described above, the center height of the pervious bed is higher than the both sides height of pervious bed, and its difference in height is produced
Raw angle is not more than 5 degree.
In the various embodiments described above, the thickness on the anti-skidding draining top layer is 2.5cm to 3cm.
In the various embodiments described above, the thickness of the porous concrete layer is 20cm, and the thickness of the metalling is 40cm, institute
The thickness for stating gravel layer is 60cm.
Friction Surface described in the utility model can be anti-skidding draining top layer of the prior art, in addition, additionally providing
A kind of dewatering type bituminous epoxy open gradation long-life Friction Surface compound, the Friction Surface can not only lift top layer and use the longevity
The durability of life and antiskid performance, additionally it is possible to solve the problems, such as existing open gradation draining durability of asphalt mixture difference, effectively avoid passing
Easily there is the phenomenon that aggregate is peeled off, dispersed in system draining compound.It is dewatering type bituminous epoxy open gradation long-life antiskid table below
The specific introduction of layer compound：
(1) mineral aggregate gradation
In view of the above-mentioned problems, the utility model proposes a kind of mixing of dewatering type bituminous epoxy open gradation long-life Friction Surface
Expect (EGFC10), the nominal maximum aggregate size that gathers materials is 9.5mm, enables to skin depth to control in 2-3cm, advantageously forms longevity
Order thin layer top layer, the main mineral aggregate composition for including following masses percentage：
The EGFC10 grading limits of table 1
| Screen size (mm) | EGFC-10 percent of pass (%) | Current specifications OGFC-10 |
| 13.2 | 100 | 100 |
| 9.5 | 85~100 | 90~100 |
| 4.75 | 20~50 | 50~70 |
| 2.36 | 8~18 | 10~22 |
| 1.18 | 6~14 | 6~18 |
| 0.6 | 4~10 | 4~15 |
| 0.3 | 3~8 | 3~12 |
| 0.15 | 2~7 | 3~8 |
The percent of pass of 4.75mm sieve apertures is reduced, such a design can make mutually to interconnect between the epoxy resin in bituminous epoxy
Connect, form overall thermosetting tridimensional network, improve the service life of EGFC10 compounds.
(2) gather materials technical requirements
Coarse aggregate should be uniform, clean, dry, and without weathering particle, flat-elongated particles are few, grain shape near cubic,
With enough intensity and durability, preferably from high-adhesiveness, high abrasion resistance, high crush resistance high-quality aggregate, such as Black Warrior
Rock, diabase.
2 long-life of table top layer coarse aggregate technical requirements
(3) voidage and asphalt optimum content
The voidage of porous asphalt pavement is typically set to 18%~25% both at home and abroad at present.It was verified that open gradation draining
In use, the densification again of traffic load and dust blocking etc. cause road surface gradually to lose partial drainage noise reduction on road surface
Performance, factor, the voidage such as traffic load compacting should be inclined to high level during consideration construction, operation.Consider draining, resist
The functions such as cunning, noise reduction and durability, the objective air void of open gradation epoxy asphalt mixture is set to 16-20%；
The Initial asphalt content of compound is calculated according to formula (1) and (2).
Pb=h × A (2)
H --- asphalt filmthickness；
A --- the total surface area gathered materials；
A, b, c, d, e, g --- mineral aggregate respectively 4.75mm, 2.36mm, 1.18mm, 0.6mm, 0.3mm, 0.15mm,
The percent of pass of 0.075mm sieve apertures.
The asphalt membrane thickness that China's specification is recommended is 14 μm, Japan《Drainage road technical manual》Middle recommendation PA pitch
Film thickness is generally more than 20 μm, and the increase of asphalt membrane thickness effectively improves the durability of asphalt, it is contemplated that epoxy
The characteristics of universal more general cementitious matter of pitch effective content and bituminous epoxy film is thick in pitch, and Japan uses thicker pitch
Fiber is added during film, considers the analysis leakage characteristic of economy and epoxy asphalt mixture in work progress, selection calculates ring
17 μm of oxygen asphalt membrane thickness.
By to the two-sided hair body for respectively hitting real 50 shapings marshal piece, asphalt being determined using volumetric method of test specimen
Product density, determine that optimal pitch is used by calculating maximum theory density, voidage VV, void in mineral aggregate VMA and saturation degree VFA
Amount, bituminous cements dosage is 6.0-7.0% (accounting for compound total amount mass ratio).
(4) preparation process
Due to the particularity of bituminous epoxy, curing reaction can occur after its A, B component mixing, and reaction speed is with temperature
Rise and accelerate rapidly.During epoxy asphalt mixture mix, strict temperature control, duration of mixing.Level is opened herein
It is as follows with epoxy asphalt mixture blending method：
1) preparation of bituminous epoxy cementitious matter
Component A (epoxy resin) is preheated at 50~60 DEG C, and component B (asphalt, curing agent) is heated to 120 DEG C of left sides
The right side, it is set to melt completely.A certain amount of component A and component B mixing is weighed in proportion, is stirred, you can obtain bituminous epoxy glue
Ramming material.
2) mix of epoxy asphalt mixture
By deployed bituminous epoxy cementitious matter with matching somebody with somebody the building stones, the miberal powder mix to uniform, Ran Houcheng that weigh by design level
Type marshal piece or rut plate.
3) health of epoxy asphalt mixture test specimen
The marshal piece or rut plate of forming, 120 DEG C of baking oven health 4h are put into, make it be fully cured, then carry out phase
The performance test answered.
(5) bituminous epoxy cementitious matter performance
Using bituminous epoxy epoxy resin：Curing agent：The ratio of pitch is 1:1:4.2, asphalt content reaches 70%-
75%, it is 100-120min that construction, which can take the time in,.Using two big index of tensile strength and fracture elongation, road bituminous epoxy
Technical indicator is as shown in table 3.
The technical performance of 3 long-life of table top layer bituminous epoxy
(6) mixture performance is verified
The open gradation epoxy asphalt mixture EGFC10 technical requirements of table 4
Above-mentioned asphalt mixture design is to use low-dosage epoxy resin so that compound have higher high-temperature stability and
Anti-water damage property, it is effectively improved the overall anti-rut behavior in road surface and waterproof damage capability.Meanwhile by special grading and
Asphalt optimum content designs, and improves the durability and service life of compound as far as possible.
(1) embodiment 1
1) bituminous epoxy cementitious matter performance
The cementitious matter technical performance of table 1
Gathered materials using 0-3mm, 3-5mm, 5-10mm third gear and miberal powder, control key sieve 2.36mm pass through percentage, choosing
7.4%, 10.2%, 14.7% 3 groups of gradings are selected as primary election grading.
It is computed the bitumen aggregate ratio using bitumen aggregate ratio 6.3% as examination grading.It is two-sided respectively to hit real 50 shapings marshal piece, adopt
With the bulk density of volumetric method measure asphalt, Marshall Test the results are shown in Table 2.It is objective air void with 18%, choosing
Deciding grade and level is matched somebody with somebody with 3 for design level.
2 three kinds of examination grading Marshall Test result summary sheets of table
1) Marshall stability
According to the mixture gradation and bitumen aggregate ratio of determination, Marshall stability test is carried out, test specimen is put into 60 DEG C of water
30min determines its Marshall stability and flow valuve.By the results showed that open gradation epoxy asphalt mixture EGFC-10's of table 5
Stability reaches 11.36kN, is macrovoid drip much larger than stability >=3.5kN of porous asphalt technical requirements
2 times of blue or green compound, general porous asphalt Marshall stability is only 4~6kN.
The Marshall stability test result of table 3
Dispersion test
Test specimen is two-sided to hit real 50 times marshal piece, and the immersion of Ken Tabao standards is carried out after the 20h that soaked in 20 DEG C of water and is flown
Experiment is dissipated, investigation test specimen gathers materials coheres force intensity with pitch, while evaluates the water stability of asphalt.Bituminous epoxy
EGFC-10 loss lates of dispersing are only 8.9%, much meet specification technique requirement, so as to prevent open gradation bituminous epoxy EGFC-10
Occur peeling off and loosely destroy, ensure the durability on road surface.
The immersion dispersion test result of table 4
High temperature rut performance
Bituminous epoxy EGFC-10 high-temperature stability is examined using wheel tracking test, determines its high temperature rutting resistance.For up to
To EGFC-10 Marshall standard compactness and design object voidage, through multiple pressure testing, rolling layer and rut voidage are determined
Relation, when rolling 12 round (24 times), EGFC-10 reaches design object voidage 18%.
Meet the rut test piece of objective air void using edge runner shaping, at 60 ± 1 DEG C, under the conditions of 0.7 ± 0.05MPa,
Carry out wheel tracking test.As seen from the experiment, bituminous epoxy EGFC-10 rut dynamic stability reaches 10000 times/more than mm,
Much meet technical requirements of the specification to dynamic stability >=3000 time/mm of porous asphalt, be modified asphalt
3 times of compound.Illustrate that open gradation epoxy asphalt mixture EGFC-10 has good high temperature rutting resistance.
The wheel tracking test dynamic stability of table 5
Low-temperature bending test
Bituminous epoxy is different from the viscoelastic materials such as common high-viscosity asphalt, rubber asphalt, SBS modified pitch, and it is low
Close to elastomeric material under the conditions of temperature, brittle break easily occurs under cryogenic.Drainage pavement compound is typically without low
The test of warm girder, in order to investigate the combination property of bituminous epoxy mixing comprehensively, this research according to《Highway engineering pitch and pitch mix
Close material testing regulations》The regulation shaping standard vehicle rut plate of (JTG E20-2011), after test specimen is fully cured (4h, 120 DEG C), cuts
30mm*35mm*250mm standard prism girder test specimen is cut into, carries out low-temperature bending test evaluation bituminous epoxy mixing
Expect that low-temperature cracking-resistance influences.
As seen from the experiment, open gradation bituminous epoxy EGFC-10 bending tensile strength reaches 7.82MPa, stiffness modulus
3500MPa, failure strain meet code requirement.Show that open gradation bituminous epoxy EGFC-10 does not only have higher intensity, and it is low
Possess good cracking resistance under temperature.
The girder bend test result of table 6
Water stability is tested
Using immersion Marshall test and indirect tensile test on frozen-thaw come the water stabilizing of test design asphalt.By trying
Test result and understand that EGFC-10 residual stability MS0 reaches 88.6%, intensity is 90.2% than TSR after freeze-thaw split,
It is satisfied by specification technique requirement.
The immersion Marshall stability test result of table 7
The indirect tensile test on frozen-thaw result of table 8
Drainage performance
The rut test piece being molded using edge runner, the demoulding are erected carry out infiltration test, determine oozing for bitumen mixture specimen
Water coefficient, evaluation macrovoid open-shelf range EGFC-10 drainage performance.With reference to《Highway engineering pitch and pitch mix
Close material testing regulations》(JTG E20-2011), its infiltration coefficient Cw=60*400/7.8=3077mL/min is surveyed, illustrates out level
With bituminous epoxy EGFC-10 drainage performance is oozed with good.
Antiskid performance
The rut test piece being molded using edge runner, the friction of asphalt in humid conditions is determined with pendulum type friction instrument
Pendulum value, evaluate the antiskid performance on road surface.Portable pendulum tester test result, antiskid wearing layer EGFC-10 friction pendulum value reach 72, met
《Bituminous pavement design for highway specification》It is more than 58 technical requirements in (JTG D50-2006) to friction pendulum value.Open gradation epoxy drips
Blue or green EGFC-10 has an excellent antiskid performance, and travel safety is higher.
The EGFC-10 pendulum value result of the tests of table 9
| Mix type | 1 | 2 | 3 | Average value (BPN) | Technical requirements |
| EGFC-10 | 71 | 72 | 73 | 72 | ≥58 |
(2) embodiment 2
The bituminous epoxy EGFC-10 mixture gradations of table 1
(3) mix calculation
According to target level with three groups of gradings are first determined, preliminary examination bitumen aggregate ratio is calculated for 17 μm by asphalt membrane thickness, two-sided each
Real 50 shaping test pieces are hit, voidage VV is determined, performance verification, volume is carried out on the basis of voidage VV meets technical requirements
Index is as shown in table 2.
The bitumen aggregate ratio result of calculation of table 2
(4) performance test
According to selected grading and bitumen aggregate ratio, checking bituminous epoxy EGFC-10 compounds Marshall stability, Xie Lunbao analysis
Leak the performances such as (beaker method), Superpave mix-design, immersion Marshall stability, dynamic stability, low-temperature cracking-resistance, the performance test results
It is shown in Table 3.
The bituminous epoxy EGFC-10 mixture performance testing results of table 3
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (9)
- A kind of 1. road surface with dewatering type bituminous epoxy open gradation long-life Friction Surface, it is characterised in that including by it is lower extremely On set gradually subcrust, pervious bed, anti-skidding draining top layer, wherein the pervious bed include be sequentially distributed from top to bottom it is more Hole concrete layer, metalling and gravel layer, zone of heating is provided between described porous concrete layer and metalling；The zone of heating Including some carbon fiber heating lines in parallel, the carbon fiber heating line is laid on metalling, the carbon fiber heating line Two terminations connect energization cable by shunt leads respectively, and the energization cable is arranged on road surface side, the energization cable Extend along road surface bearing of trend, the shunt leads is provided with power-on switch；Also include the water leg for being arranged on some interconnections of anti-skidding draining top layer sidepiece, the water leg has upward open Mouthful, the both ends of the water leg are provided with the tongue and groove that can mutually overlap.
- 2. the road surface according to claim 1 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature It is, is additionally provided with to be pressed against on carbon fiber heating line between the zone of heating and the porous concrete layer and is used for carbon fiber The heat dissipating layer that the heat diffusion that line with heating function is sent comes, the heat dissipating layer are anti-rust metal stratum reticulare or carbon fiber stratum reticulare.
- 3. the road surface according to claim 1 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature Be, be provided with thermal insulation layer between described pervious bed and subcrust, described thermal insulation layer by rubble and shraff mixing Thing, which is piled up, to be formed.
- 4. the road surface according to claim 1 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature It is, the center height of the pervious bed is higher than the both sides height of pervious bed, and angle caused by its difference in height is no more than 5 degree.
- 5. the road surface according to claim 1 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature It is, is equipped with multiple vertical aqueducts in the pervious bed, the upper end tube nozzle of the vertical aqueduct stretches into described porous mixed Solidifying soil layer, the lower end mouth of pipe stretch into the metalling or gravel layer.
- 6. the road surface according to claim 5 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature It is, the vertical aqueduct is cylindrical tube, a diameter of 5~15cm of the vertical aqueduct.
- 7. the road surface according to claim 1 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature It is, the thickness on the anti-skidding draining top layer is 2.5cm to 3cm.
- 8. the road surface according to claim 1 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature It is, the thickness of the porous concrete layer is 20cm, and the thickness of the metalling is 40cm, and the thickness of the gravel layer is 60cm。
- 9. the road surface according to claim 1 with dewatering type bituminous epoxy open gradation long-life Friction Surface, its feature It is, road surface side is additionally provided with solar bracket, is provided with solar panels at the top of the solar bracket, on the solar bracket Provided with the battery for connecting the solar panels, battery described in the energization cable connection.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003969A (en) * | 2019-12-10 | 2020-04-14 | 东南大学 | Ultrathin anti-skid wearing layer and pavement with same |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003969A (en) * | 2019-12-10 | 2020-04-14 | 东南大学 | Ultrathin anti-skid wearing layer and pavement with same |
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