CN107489080B - A kind of anti-freeze road and its construction method - Google Patents
A kind of anti-freeze road and its construction method Download PDFInfo
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- CN107489080B CN107489080B CN201710820197.7A CN201710820197A CN107489080B CN 107489080 B CN107489080 B CN 107489080B CN 201710820197 A CN201710820197 A CN 201710820197A CN 107489080 B CN107489080 B CN 107489080B
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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
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
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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
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
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Abstract
The present invention provides a kind of anti-freeze roads and preparation method thereof, including graded broken stone layer, cement stabilized base course, stabilization gravel layer and the asphalt concrete layer being sequentially distributed from the bottom to top, wherein, asphalt concrete layer includes the bituminous concrete lower layer being sequentially distributed from the bottom to top, oil pipe layer and bituminous concrete upper layer；Oil pipe layer includes the uniform oil pipe being laid with and be connected to, and oil pipe is connected with solar absorber plate；Bituminous concrete lower layer and bituminous concrete upper layer are laid with to obtain by mixture, and mixture is formed by rubble, pitch, transformation unit and steel fibre mixing mixing；The inside of transformation unit is spherical phase change paraffin, and outside is wrapping layer, and wrapping layer is mixed by graphene, nano aluminium oxide, heat conducting fiber, cement and water；The phase transition temperature of phase change paraffin is 0-5 DEG C.The anti-freeze road construction is simple, and it is good to have anti-freeze effect.
Description
Technical field
The invention belongs to technical field of road engineering more particularly to a kind of anti-freeze road and its construction methods.
Background technique
In winter with early spring when temperature be lower than 0 DEG C, snowfall may be frozen in immediately on road surface or melt after due to temperature drop
It is low and road surface formed icy road.As long as temperature is not gone up to being enough that ice sheet is made to thaw, ice sheet will be as solid as rocks always, be
The important chief culprit of traffic accident.Existing road has been sequentially distributed graded broken stone layer, cement stabilized base course, stabilization gravel from the bottom to top
Layer and asphalt concrete layer.
Road deicing mainly uses Mechanical Method and chemical method at present.Mechanical Method is by mechanical device to road accumulated ice and pressure
Real snow directly acts on, main point impact ice-breaking, more piece whip makes deicing, idler wheel rotary-cut deicing and shovel and chops deicing etc., but accumulated ice
It is tightly combined with compacting snow with road surface, if the strength of deicing machinery is too small, the two cannot be made to separate, can not neatly be removed；
Strength is excessive, can damage pavement marker, or even destroy road surface, and technical level is low, poor reliability, failure is more, and the service life is short.
Chemical method is that ice and snow melting point is reduced using chemical agent, but influenced by ambient temperature very big, and temperature is too low, effect
It is decreased obviously, and chemical reagent will lead to pitch and cement concrete seriously degrades, breakdown speed will freeze far faster than common
Melt the caused destruction of circulation, while corrosion contamination also is generated to soil, crops and surface water etc..Therefore, it is necessary to propose
A kind of safety, the road deicing processing method imitated fastly.
Summary of the invention
Aiming at the problem that pavement of road freezes, the present invention provides a kind of anti-freeze road, including is sequentially distributed from the bottom to top
Graded broken stone layer, cement stabilized base course, stabilization gravel layer and asphalt concrete layer, asphalt concrete layer include from the bottom to top according to
Bituminous concrete lower layer, oil pipe layer and the bituminous concrete upper layer of secondary distribution；Oil pipe layer includes the uniform oil pipe being laid with and be connected to,
Oil pipe is connected with solar absorber plate；
Bituminous concrete lower layer and bituminous concrete upper layer are laid with to obtain by mixture, and mixture is by rubble, pitch, phase
Become primitive and steel fibre mixing mixing forms；
The inside of transformation unit is spherical phase change paraffin, and outside is wrapping layer, and wrapping layer is by graphene, nano oxidized
Aluminium, heat conducting fiber, cement and water mix；The phase transition temperature of phase change paraffin is 0-5 DEG C.
Optionally, the laying spacing of oil pipe is 50-70cm.
Optionally, the radius of transformation unit is 1-3cm, the 10-30% with a thickness of primitive radius of wrapping layer.
Optionally, in wrapping layer each raw material mass fraction are as follows: it is 5-10 parts of graphene, 5-10 parts of nano aluminium oxide, thermally conductive
20-30 parts of fiber, 20-40 parts of cement and 5-10 parts of water.
Optionally, in bituminous concrete lower layer and bituminous concrete upper layer, the distribution density of transformation unit is 50-
200Kg/m3, the distribution density of steel fibre is 20-80Kg/m3。
Optionally, the specific surface area of graphene is 400-500m2/kg。
Optionally, cement is portland cement, specific surface area 300-400m2/kg。
The present invention also provides a kind of construction method of above-mentioned anti-freeze road, construction procedure is simple, it is only necessary to primary
Investment is not necessarily to later maintenance, low in cost, and to road and surrounding enviroment without destruction and pollution, comprising the following steps:
(1) graphene, nano aluminium oxide, heat conducting fiber, cement and water are mixed, obtains package slurries, slurries will be wrapped up
It is uniformly wrapped in spherical phase change paraffin outer layer, after maintenance, obtains transformation unit；
(2) rubble, pitch, transformation unit and steel fibre are mixed into mixing and obtains mixture；
(3) it is successively laid with graded broken stone layer, cement stabilized base course and stabilization gravel layer from bottom to up；
(4) it is laid with the mixture that step (2) obtain on the stabilization gravel layer of step (3), forms bituminous concrete lower layer；
(5) it uniformly lays oil pipes in the bituminous concrete lower layer of step (4), obtains oil pipe layer；
(6) it is laid with the mixture that step (2) obtain on the oil pipe layer of step (5), forms bituminous concrete upper layer；
(7) by the solar absorber plate outside the oil pipe connection of step (5).
Optionally, in step (1), curing temperature is 40-65 DEG C, and maintenance relative humidity is 70-95%, curing time 1-
2 days.
The invention has the following advantages that
(1) transformation unit and steel fibre are added in asphalt concrete layer, utilizes phase for anti-freeze road provided by the invention
The characteristic for becoming material realizes asphalt concrete layer heating by the heat discharged when the liquid-solid conversion of phase change paraffin, effectively anti-
It is only icy on road.Steel fibre has good thermal conductivity, effectively improves the thermal conductivity of concrete, so as to improve transformation unit suction
Exothermic work limitation, and the thermally conductive uniformity of concrete can be improved, and prevent the thermal stress due to caused by the temperature difference from leading
Cause concrete cracking.
(2) oil pipe layer is added, the heat absorbed by solar absorber plate is absorbed, is stored in oil pipe, is prevented and treated icy on road.
In the whole process, the effect of oil pipe is exactly to serve as a connection between solar absorber plate and concrete, what solar panel absorbed
Heat has the function that conduction by the flowing of the oil in oil pipe.
(3) heating conduction that wrapping layer is improved with graphene and heat conducting fiber, improves the work limitation of transformation unit, and
And prevent wrapping layer since temperature difference causes volume change, cause wrapping layer to crack, paraffin is revealed under high temperature, and pollution and destruction are mixed
Solidifying dirt road base.
(4) nano aluminium oxide not only has particle size filing effect, and the hydroxide that can be generated with hydrated cementitious
Calcium and calcium sulfate, which react, generates the entringite of aquation volume microdilatancy, facilitates the raising of wrapping layer compactness, disappears simultaneously
Calcium hydroxide has been consumed, has prevented that durability caused by corrosion is bad, has improved the anti-corrosion anti-permeability performance of asphalt concrete layer.
(5) construction method is simple and easy, it is only necessary to which primary investment is not necessarily to later maintenance, low in cost, and to road and week
Surrounding environment is without destruction and pollution.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of anti-freeze road provided by the invention.
In Fig. 1, label is indicated: 1- graded broken stone layer, 2- cement stabilized base course, 3- stabilization gravel layer, 4- bituminous concrete
Layer, 41- bituminous concrete lower layer, 42 oil pipe layers, 43- bituminous concrete upper layer, 421- oil pipe, 422- solar absorber plate.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention will be further described, but the present invention is not by the limit of following embodiments
System.
Embodiment 1
As shown in Figure 1, for a kind of anti-freeze road that the present embodiment 1 provides, including the gradation being sequentially distributed from the bottom to top
Metalling 1, cement stabilized base course 2, stabilization gravel layer 3 and asphalt concrete layer 4, asphalt concrete layer include from the bottom to top successively
Bituminous concrete lower layer 41, oil pipe layer 42 and the bituminous concrete upper layer 43 of distribution.Oil pipe layer includes uniform laying and connection
Oil pipe 421, the S-shaped distribution of oil pipe 421 in the present embodiment, the laying spacing L of oil pipe 421 are 50cm.Oil pipe 421 connects anti-freeze
Solar absorber plate 422 outside road.In practical applications, solar absorber plate 422 is mountable on street lamp, oil pipe 422
The solar absorber plate 422 on street lamp is connected and installed according to street lamp distribution and street lamp interval.
Bituminous concrete lower layer and bituminous concrete upper layer are laid with to obtain by mixture, and mixture is by rubble, pitch, phase
Become primitive and steel fibre mixing mixing forms, wherein is calculated with the laying volume of bituminous concrete lower layer, transformation unit is wherein
Distribution density be 50Kg/m3, steel fibre is 20Kg/m in distribution density wherein3.With the laying volume on bituminous concrete upper layer
It calculates, transformation unit is 50Kg/m in distribution density wherein3, steel fibre is 20Kg/m in distribution density wherein3。
The inside of above-mentioned transformation unit is spherical phase change paraffin, and outside is wrapping layer, and the radius of transformation unit is 1cm,
Wrapping layer with a thickness of the 10% of primitive radius.The phase transition temperature of phase change paraffin is 0-5 DEG C, the mass parts of each raw material in wrapping layer
Number are as follows: 5 parts of graphene, 5 parts of nano aluminium oxide, 20 parts of heat conducting fiber, 20 parts of cement and 5 parts of water.Wherein, the specific surface of graphene
Product is 400-500m2/kg.Cement is portland cement, specific surface area 300-400m2/kg。
The construction method for the anti-freeze road that the present embodiment 1 provides, comprising the following steps:
(1) graphene, nano aluminium oxide, heat conducting fiber, cement and water are mixed, obtains package slurries, slurries will be wrapped up
It is uniformly wrapped in spherical phase change paraffin outer layer, is 40-65 DEG C in curing temperature, under conditions of maintenance relative humidity is 70%,
After maintenance 1 day, transformation unit is obtained；
(2) rubble, pitch, transformation unit and steel fibre are mixed into mixing and obtains mixture；
(3) it is successively laid with graded broken stone layer, cement stabilized base course and stabilization gravel layer from bottom to up；
(4) it is laid with the mixture that step (2) obtain on the stabilization gravel layer of step (3), forms bituminous concrete lower layer；
(5) it uniformly lays oil pipes in the bituminous concrete lower layer of step (4), obtains oil pipe layer；
(6) it is laid with the mixture that step (2) obtain on the oil pipe layer of step (5), forms bituminous concrete upper layer；
(7) by the solar absorber plate outside the oil pipe connection of step (5).
Embodiment 2
The structure for the anti-freeze asphalt concrete layer that the present embodiment 2 provides is same as Example 1, reference can be made to Fig. 1, including by
Under the supreme graded broken stone layer 1 being sequentially distributed, cement stabilized base course 2, stabilization gravel layer 3 and asphalt concrete layer 4, pitch coagulation
Soil layer includes the bituminous concrete lower layer 41 being sequentially distributed from the bottom to top, oil pipe layer 42 and bituminous concrete upper layer 43.Oil pipe layer
Including the oil pipe 421 for being uniformly laid with and being connected to, the S-shaped distribution of oil pipe 421 in the present embodiment, the laying spacing L of oil pipe 421 is
60cm.Oil pipe 421 connects the solar absorber plate 422 outside anti-freeze road.In practical applications, solar absorber plate 422
It is mountable on street lamp, oil pipe 422 is connected and installed in the solar absorber plate on street lamp according to street lamp distribution and street lamp interval
422。
Bituminous concrete lower layer and bituminous concrete upper layer are laid with to obtain by mixture, and mixture is by rubble, pitch, phase
Become primitive and steel fibre mixing mixing forms, wherein is calculated with the laying volume of bituminous concrete lower layer, transformation unit is wherein
Distribution density be 120Kg/m3, steel fibre is 50Kg/m in distribution density wherein3.With the laying body on bituminous concrete upper layer
Product calculates, and transformation unit is 120Kg/m in distribution density wherein3, steel fibre is 50Kg/m in distribution density wherein3。
The inside of above-mentioned transformation unit is spherical phase change paraffin, and outside is wrapping layer, and the radius of transformation unit is 2cm,
Wrapping layer with a thickness of the 20% of primitive radius.The phase transition temperature of phase change paraffin is 0-5 DEG C, the mass parts of each raw material in wrapping layer
Number are as follows: 7 parts of graphene, 8 parts of nano aluminium oxide, 25 parts of heat conducting fiber, 30 parts of cement and 7 parts of water.Wherein, the specific surface of graphene
Product is 400-500m2/kg.Cement is portland cement, specific surface area 300-400m2/kg。
The construction method for the anti-freeze road that the present embodiment 2 provides, comprising the following steps:
(1) graphene, nano aluminium oxide, heat conducting fiber, cement and water are mixed, obtains package slurries, slurries will be wrapped up
It is uniformly wrapped in spherical phase change paraffin outer layer, is 50 DEG C in curing temperature, under conditions of maintenance relative humidity is 80%, maintenance
After 2 days, transformation unit is obtained；
(2) rubble, pitch, transformation unit and steel fibre are mixed into mixing and obtains mixture；
(3) it is successively laid with graded broken stone layer, cement stabilized base course and stabilization gravel layer from bottom to up；
(4) it is laid with the mixture that step (2) obtain on the stabilization gravel layer of step (3), forms bituminous concrete lower layer；
(5) it uniformly lays oil pipes in the bituminous concrete lower layer of step (4), obtains oil pipe layer；
(6) it is laid with the mixture that step (2) obtain on the oil pipe layer of step (5), forms bituminous concrete upper layer；
(7) by the solar absorber plate outside the oil pipe connection of step (5).
Embodiment 3
The structure for the anti-freeze asphalt concrete layer that the present embodiment 3 provides is same as Example 1, reference can be made to Fig. 1, including by
Under the supreme graded broken stone layer 1 being sequentially distributed, cement stabilized base course 2, stabilization gravel layer 3 and asphalt concrete layer 4, pitch coagulation
Soil layer includes the bituminous concrete lower layer 41 being sequentially distributed from the bottom to top, oil pipe layer 42 and bituminous concrete upper layer 43.Oil pipe layer
Including the oil pipe 421 for being uniformly laid with and being connected to, oil pipe 421 is in parallelly distribute in the present embodiment, and the laying spacing L of oil pipe 421 is
60cm.Oil pipe 421 connects the solar absorber plate 422 outside anti-freeze road.In practical applications, solar absorber plate 422
It is mountable on street lamp, oil pipe 422 is connected and installed in the solar absorber plate on street lamp according to street lamp distribution and street lamp interval
422。
Bituminous concrete lower layer and bituminous concrete upper layer are laid with to obtain by mixture, and mixture is by rubble, pitch, phase
Become primitive and steel fibre mixing mixing forms, wherein is calculated with the laying volume of bituminous concrete lower layer, transformation unit is wherein
Distribution density be 120Kg/m3, steel fibre is 50Kg/m in distribution density wherein3.With the laying body on bituminous concrete upper layer
Product calculates, and transformation unit is 120Kg/m in distribution density wherein3, steel fibre is 50Kg/m in distribution density wherein3。
The inside of above-mentioned transformation unit is spherical phase change paraffin, and outside is wrapping layer, and the radius of transformation unit is 2cm,
Wrapping layer with a thickness of the 20% of primitive radius.The phase transition temperature of phase change paraffin is 0-5 DEG C, the mass parts of each raw material in wrapping layer
Number are as follows: 7 parts of graphene, 8 parts of nano aluminium oxide, 25 parts of heat conducting fiber, 30 parts of cement and 7 parts of water.Wherein, the specific surface of graphene
Product is 400-500m2/kg.Cement is portland cement, specific surface area 300-400m2/kg。
The construction method for the anti-freeze road that the present embodiment 3 provides, comprising the following steps:
(1) graphene, nano aluminium oxide, heat conducting fiber, cement and water are mixed, obtains package slurries, slurries will be wrapped up
It is uniformly wrapped in spherical phase change paraffin outer layer, is 50 DEG C in curing temperature, under conditions of maintenance relative humidity is 80%, maintenance
After 2 days, transformation unit is obtained；
(2) rubble, pitch, transformation unit and steel fibre are mixed into mixing and obtains mixture；
(3) it is successively laid with graded broken stone layer, cement stabilized base course and stabilization gravel layer from bottom to up；
(4) it is laid with the mixture that step (2) obtain on the stabilization gravel layer of step (3), forms bituminous concrete lower layer；
(5) it uniformly lays oil pipes in the bituminous concrete lower layer of step (4), obtains oil pipe layer；
(6) it is laid with the mixture that step (2) obtain on the oil pipe layer of step (5), forms bituminous concrete upper layer；
(7) by the solar absorber plate outside the oil pipe connection of step (5).
Embodiment 4
The structure for the anti-freeze asphalt concrete layer that the present embodiment 4 provides is same as Example 1, reference can be made to Fig. 1, including by
Under the supreme graded broken stone layer 1 being sequentially distributed, cement stabilized base course 2, stabilization gravel layer 3 and asphalt concrete layer 4, pitch coagulation
Soil layer includes the bituminous concrete lower layer 41 being sequentially distributed from the bottom to top, oil pipe layer 42 and bituminous concrete upper layer 43.Oil pipe layer
Including the oil pipe 421 for being uniformly laid with and being connected to, the S-shaped distribution of oil pipe 421 in the present embodiment, the laying spacing L of oil pipe 421 is
70cm.Oil pipe 421 connects the solar absorber plate 422 outside anti-freeze road.In practical applications, solar absorber plate 422
It is mountable on street lamp, oil pipe 422 is connected and installed in the solar absorber plate on street lamp according to street lamp distribution and street lamp interval
422。
Bituminous concrete lower layer and bituminous concrete upper layer are laid with to obtain by mixture, and mixture is by rubble, pitch, phase
Become primitive and steel fibre mixing mixing forms, wherein is calculated with the laying volume of bituminous concrete lower layer, transformation unit is wherein
Distribution density be 200Kg/m3, steel fibre is 80Kg/m in distribution density wherein3.With the laying body on bituminous concrete upper layer
Product calculates, and transformation unit is 200Kg/m in distribution density wherein3, steel fibre is 80Kg/m in distribution density wherein3。
The inside of above-mentioned transformation unit is spherical phase change paraffin, and outside is wrapping layer, and the radius of transformation unit is 3cm,
Wrapping layer with a thickness of the 30% of primitive radius.The phase transition temperature of phase change paraffin is 0-5 DEG C, the mass parts of each raw material in wrapping layer
Number are as follows: 10 parts of graphene, 10 parts of nano aluminium oxide, 30 parts of heat conducting fiber, 40 parts of cement and 10 parts of water.Wherein, the ratio of graphene
Surface area is 400-500m2/kg.Cement is portland cement, specific surface area 300-400m2/kg。
The construction method for the anti-freeze road that the present embodiment 4 provides, comprising the following steps:
(1) graphene, nano aluminium oxide, heat conducting fiber, cement and water are mixed, obtains package slurries, slurries will be wrapped up
It is uniformly wrapped in spherical phase change paraffin outer layer, is 65 DEG C in curing temperature, under conditions of maintenance relative humidity is 95%, maintenance
After 2 days, transformation unit is obtained；
(2) rubble, pitch, transformation unit and steel fibre are mixed into mixing and obtains mixture；
(3) it is successively laid with graded broken stone layer, cement stabilized base course and stabilization gravel layer from bottom to up；
(4) it is laid with the mixture that step (2) obtain on the stabilization gravel layer of step (3), forms bituminous concrete lower layer；
(5) it uniformly lays oil pipes in the bituminous concrete lower layer of step (4), obtains oil pipe layer；
(6) it is laid with the mixture that step (2) obtain on the oil pipe layer of step (5), forms bituminous concrete upper layer；
(7) by the solar absorber plate outside the oil pipe connection of step (5).
Comparative example
The road provided in comparative example includes the graded broken stone layer being sequentially distributed from the bottom to top, cement stabilized base course, stabilization
Metalling and asphalt concrete layer, bituminous concrete are only laid with by the raw material of pitch and rubble mixing.
Deicing properties test
The asphalt concrete layer that anti-freeze road (part) and comparative example that embodiment 1 to 4 provides provide is impregnated respectively
In water after ten minutes, it is placed in subzero 15 DEG C of refrigerator and refrigerates, and real time monitoring surface temperature, practical ice sheet forms the time such as
Shown in the following table 1.By comparison, it was found that the anti-freeze effect of anti-freeze asphalt concrete layer provided in an embodiment of the present invention, is compared
In asphalt concrete layer, effect is obvious.
The comparison of 1 deicing properties of table
| Practical ice sheet forms time (min) | |
| Embodiment 1 | 100-110 |
| Embodiment 2 | 140-150 |
| Embodiment 3 | 110-120 |
| Embodiment 4 | 110-120 |
| Comparative example | 70-80 |
Those skilled in the art will readily occur to of the invention its after considering specification and the disclosure invented here of practice
Its embodiment.The present invention is directed to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are wanted by right
It asks and points out.
Claims (9)
1. a kind of anti-freeze road, including the graded broken stone layer, cement stabilized base course, stabilization gravel layer being sequentially distributed from the bottom to top
And asphalt concrete layer, which is characterized in that the asphalt concrete layer includes under the bituminous concrete being sequentially distributed from the bottom to top
Layer, oil pipe layer and bituminous concrete upper layer；The oil pipe layer includes the uniform oil pipe being laid with and be connected to, and the oil pipe is connected with too
Positive energy absorber plate；
The bituminous concrete lower layer and bituminous concrete upper layer are laid with to obtain by mixture, and the mixture is by rubble, drip
Green, transformation unit and steel fibre mixing mixing form；
The inside of the transformation unit is spherical phase change paraffin, and outside is wrapping layer, and the wrapping layer is by graphene, nano oxygen
Change aluminium, heat conducting fiber, cement and water to mix；The phase transition temperature of the phase change paraffin is 0-5 DEG C.
2. anti-freeze road according to claim 1, which is characterized in that the laying spacing of the oil pipe is 50-70cm.
3. anti-freeze road according to claim 1, which is characterized in that the radius of the transformation unit is 1-3cm, described
The 10-30% with a thickness of primitive radius of wrapping layer.
4. anti-freeze road according to claim 1, which is characterized in that the mass fraction of each raw material in the wrapping layer
Are as follows: 5-10 parts of graphene, 5-10 parts of nano aluminium oxide, 20-30 parts of heat conducting fiber, 20-40 parts of cement and 5-10 parts of water.
5. anti-freeze road according to claim 1, which is characterized in that the bituminous concrete lower layer and bituminous concrete
In upper layer, the distribution density of the transformation unit is 50-200Kg/m3, the distribution density of the steel fibre is 20-80Kg/
m3。
6. anti-freeze road according to claim 1, which is characterized in that the specific surface area of the graphene is 400-
500m2/kg。
7. anti-freeze road according to claim 1, which is characterized in that the cement is portland cement, specific surface area
For 300-400m2/kg。
8. a kind of construction method of such as described in any item anti-freeze roads of claim 1-7, which is characterized in that including following step
It is rapid:
(1) graphene, nano aluminium oxide, heat conducting fiber, cement and water are mixed, obtains package slurries, it is uniform by slurries are wrapped up
It is wrapped in spherical phase change paraffin outer layer, after maintenance, obtains transformation unit；
(2) rubble, pitch, transformation unit and steel fibre are mixed into mixing and obtains mixture；
(3) it is successively laid with graded broken stone layer, cement stabilized base course and stabilization gravel layer from bottom to up；
(4) it is laid with the mixture that step (2) obtain on the stabilization gravel layer of step (3), forms bituminous concrete lower layer；
(5) it uniformly lays oil pipes in the bituminous concrete lower layer of step (4), obtains oil pipe layer；
(6) it is laid with the mixture that step (2) obtain on the oil pipe layer of step (5), forms bituminous concrete upper layer；
(7) by the solar absorber plate outside the oil pipe connection of step (5).
9. construction method according to claim 8, which is characterized in that in step (1), curing temperature is 40-65 DEG C, maintenance
Relative humidity is 70-95%, and curing time is 1-2 days.
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| CN108164188B (en) * | 2018-01-19 | 2021-11-09 | 长沙理工大学 | Electric heating conduction type asphalt concrete and preparation method thereof |
| CN109617509B (en) * | 2018-12-13 | 2020-06-02 | 广东五星太阳能股份有限公司 | Phase-change heat-storage solar photovoltaic photo-thermal flat plate collector |
| CN111254775A (en) * | 2020-01-17 | 2020-06-09 | 江西省昭昀建设工程有限公司 | Heat-insulation anti-freezing type highway and construction method thereof |
| CN113668315A (en) * | 2021-08-31 | 2021-11-19 | 吴彬 | Asphalt highway construction method |
| CN114108415B (en) * | 2021-12-08 | 2023-02-28 | 武汉理工大学 | Double-layer phase-change temperature-adjusting asphalt pavement structure |
| CN114808664B (en) * | 2022-04-08 | 2023-01-31 | 山东大学 | Solid-web arch bridge energy storage device based on high-alumina cement and construction method |
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| CN205856960U (en) * | 2016-07-06 | 2017-01-04 | 中国民航大学 | A kind of based on phase-changing energy storage material and can the airfield pavement structure of snow melt deicing |
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