CN110003671A - The comprehensive ice melting system of snow melt anti-rut agent and road surface - Google Patents
The comprehensive ice melting system of snow melt anti-rut agent and road surface Download PDFInfo
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- CN110003671A CN110003671A CN201910267400.1A CN201910267400A CN110003671A CN 110003671 A CN110003671 A CN 110003671A CN 201910267400 A CN201910267400 A CN 201910267400A CN 110003671 A CN110003671 A CN 110003671A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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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
- E01C11/265—Embedded electrical heating elements ; Mounting thereof
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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
- E01C3/00—Foundations for pavings
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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
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/166—Magnesium halide, e.g. magnesium chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Health & Medical Sciences (AREA)
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Abstract
The invention belongs to the current technical fields of road safety, it is related to the comprehensive ice melting system of a kind of snow melt anti-rut agent and road surface, the comprehensive ice melting system in road surface includes asphalt concrete road structure, carbon fiber electrically hot systems and is formed by snow melt asphalt uplayer based on snow melt pitch；Snow melt asphalt uplayer is laid on the upper surface of asphalt concrete road structure；Carbon fiber electrically hot systems are placed between snow melt asphalt uplayer and asphalt concrete road structure.The present invention provides one kind can effectively ensure deicing or snow melting effect, the comprehensive ice melting system of the snow melt anti-rut agent of corrosion resistant degree of corrosion height and environmental protection and saving and road surface.
Description
Technical field
The invention belongs to the current technical field of road safety, it is related to a kind of deicing salt and road surface deicing device, more particularly to
The comprehensive ice melting system of a kind of snow melt anti-rut agent and road surface.
Background technique
China is vast in territory, and northern winter often faces the ice and snow accumulation of serious ice and snow problem, especially pavement of road
Traffic management departments at different levels are annoying always with removing problem, it is direct indirect caused by being frozen every year due to pavement of road accumulated snow
Economic loss reaches several hundred million members.The processing problem of pavement of road accumulated snow icing is paid much attention in countries in the world for a long time, carries out
The technical methods that a variety of improvement road snows freeze are explored in a large amount of correlation test research.In summary, Road is administered
Area snow icing method mainly has removing method and melts method two major classes: 1) removing method can be divided into artificial removing and mechanical removal；2)
Melt rule and is divided into chemical method and hot thawing method.Wherein, common deicing salt is that cost is most cheap using being, and application is the most
A kind of extensive method of deicing or snow melting.However, shedding for deicing salt needs biggish cost of labor, and for constructing in winter
Personnel for, personal safety is a major challenge again.And chloride salt snow melt, ice melting agent large-scale use brought by it is negative
Effect is increasingly becoming emphasis concerned by people.But road after villaumite is handled service life can reduce 50%, this to warp
Ji causes huge loss.Traditional Environmental-protection type deicing salt MG-104, calcium acetate magnesium salt, acetic acid sylvite and urea etc. are to peripheral ring
Border, the corrosion of road accessory structure and influence are relatively small, but its snow melt higher cost, inefficiency.But it just depends merely on and melts
The use for avenging agent, in severe cold weather, but seems and proves definitely inferior, it is necessary to comprehensively utilize other forms method snow melt
Ice.With the development of science and technology having developed a kind of mode snow-removing and ice-thawing that electric heating system is combined with deicing salt.But in plain asphalt
In road surface, due to the characteristic of asphalt roads, if being laid with heating cable like that with traditional cement concrete pavement for another example, it is easy to
Since the uneven load, differential settlement and unreasonable use on road surface lead to the destruction of heating cable, in addition, if single
The use of heat-generating system in a large amount of uses of non-severe cold weather is that can generate a large amount of waste of energy.
Summary of the invention
In order to solve the above technical problems in background technology, the present invention provides one kind can effectively ensure snow melt
Ice effect, the comprehensive ice melting system of the snow melt anti-rut agent of corrosion resistant degree of corrosion height and environmental protection and saving and road surface.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of snow melt anti-rut agent, it is characterised in that: the snow melt anti-rut agent is by calcium chloride, potassium acetate, calcium acetate
And four kinds of raw materials of magnesium chloride are made, the weight percent of four kinds of components is as follows in the snow melt anti-rut agent:
Preferably, the present invention used by calcium chloride, potassium acetate, calcium acetate and magnesium chloride weight ratio be 1:
3:2:3.
Preferably, the method applied in the present invention the following steps are included:
1) prepare raw material calcium chloride, potassium acetate, calcium acetate and magnesium chloride；
2) raw material prepared respectively step 1) is dried, is ground and screening process；The mode of the drying is
It is dried using the vibrated fluidized bed of ZLG3 × 0.30；70~140 DEG C of the inlet air temperature of the vibrated fluidized bed, leaving air temp 40~70
DEG C, evaporation water ability is 20~35kg/h；The mode of the grinding is ground with flour mill；The screening is to filter out partial size
Range is the powder of 2 ± 1mm, is ready for use on step 3)；
3) calcium chloride, potassium acetate, calcium acetate and magnesium chloride are obtained after mixing according to foregoing component proportion
To finished product.
It is a kind of that the snow melt pitch to be formed is prepared based on foregoing snow melt anti-rut agent, it is characterised in that: the snow melt
Pitch includes AC-13 type pitch and adds the foregoing snow melt anti-rut agent in AC-13 type pitch, and the snow melt is anti-
The additive amount of rut agent is the 5%-10% of AC-13 type asphalt quality.
A kind of comprehensive ice melting system in road surface, it is characterised in that: the comprehensive ice melting system in the road surface includes bituminous concrete road
Line structure, carbon fiber electrically hot systems and foregoing snow melt pitch are formed by snow melt asphalt uplayer；The snow melt drip
Green upper layer is laid on the upper surface of asphalt concrete road structure；The carbon fiber electrically hot systems are placed in snow melt asphalt uplayer
Between asphalt concrete road structure.
Preferably, carbon fiber electrically hot systems used by present invention institute include carbon fiber grille, distribution control box, synthesis
Measurement and control instrument, temperature sensor, electric valve and alternating current incoming end；The carbon fiber grille is laid on snow melt asphalt uplayer and drip
Between green concrete road line structure；The electric valve being connected with alternating current incoming end is provided in the distribution control box；The distribution
Control cabinet, temperature sensor, carbon fiber grille and comprehensive control instrument are sequentially connected composition closed circuit；The comprehensive control instrument
It is the electric integrated measurement and control instrument of PMW2000 series.
Preferably, carbon fiber grille used by present invention institute is tied up by carbon fiber line and glass dimension grid grid
It forms；The carbon fiber line is the heater wire being composed of carbon fiber, Teflon and stainless steel cloth；Adjacent two carbon fibers
The spacing tieed up between line is 7.5mm；The size of the glass dimension grid grid is 75mm × 75mm；The glass ties up grid grid
Shape be square, glass dimension grid grid through being not less than 80kN/m, the glass dimension to broadwise breaking strength
Grid grid through being not less than 3% to broadwise elongation at break.
Preferably, asphalt concrete road structure used by present invention institute includes being successively set on road from top to bottom
The Sub-course Asphalt Concrete, Sub-sealing Course, roadbase, road subbase course and road cushion on soil matrix layer；The carbon fiber
Electric heating system is placed between snow melt asphalt uplayer and the Sub-course Asphalt Concrete.
Preferably, road cushion used by present invention institute is dense structure of skeleton, the compacting of the road cushion
Degree is not less than 80% not less than 96%, CBR value；0.075mm percent of pass does not surpass in gradation composition used by the road cushion
Cross 5%；The road subbase course is identical as the thickness of roadbase；The road subbase course and roadbase are all made of cement
Stabilization gravel is laid with；Cement stabilized macadam 7d unconfined compressive strength is not less than 2.5MPa in the road subbase course；The road
Cement stabilized macadam 7d unconfined compressive strength is not less than 3.5MPa in base course；By heavy compaction standard, the road base
The compactness of layer is not less than 97%, and the compactness of the roadbase is not less than 98%；The Sub-sealing Course uses single layer pitch table
Face disposition；The Sub-course Asphalt Concrete uses close-graded Coarse Graded Bituminous Concrete, and the close-graded coarse grain formula pitch is mixed
The model for coagulating soil is AC-25C, and the Sub-course Asphalt Concrete thickness is not less than 45mm.
A kind of construction method of the comprehensive ice melting system in road surface, it is characterised in that: the construction method the following steps are included:
1) according to highway asphalt concrete pavement construction technique normalizing and construction process requirement, in the upper table of the earth base of road layer
Face successively laying road bed course, road subbase course, roadbase, Sub-sealing Course and the Sub-course Asphalt Concrete from bottom to top, shape
At asphalt concrete road structure；The road cushion is dense structure of skeleton, and the compactness of the road cushion is not less than
96%, CBR value are not less than 80%；0.075mm percent of pass is no more than 5% in gradation composition used by the road cushion；Institute
It is identical as the thickness of roadbase to state road subbase course；The road subbase course and roadbase are all made of cement stabilized macadam
It is laid with；Cement stabilized macadam 7d unconfined compressive strength is not less than 2.5MPa in the road subbase course；In the roadbase
Cement stabilized macadam 7d unconfined compressive strength is not less than 3.5MPa；By heavy compaction standard, the compacting of the road subbase course
Degree is not less than 97%, and the compactness of the roadbase is not less than 98%；The Sub-sealing Course uses single layer asphalt topping；Institute
The Sub-course Asphalt Concrete is stated using close-graded Coarse Graded Bituminous Concrete, the model of the close-graded Coarse Graded Bituminous Concrete
It is AC-25C, the Sub-course Asphalt Concrete thickness is not less than 45mm；
2) it is laid with carbon fiber grille in the upper surface of the Sub-course Asphalt Concrete, and drip is fixed on by line card and cement nail
The upper surface of green concrete cutting optimal；The carbon fiber grille is tied up by carbon fiber line and glass dimension grid grid；
The carbon fiber line is the heater wire being composed of carbon fiber, Teflon and stainless steel cloth；Adjacent two carbon fiber lines
Between spacing be 7.5mm；The size of the glass dimension grid grid is 75mm × 75mm；The shape of the glass dimension grid grid
Shape is square, glass dimension grid grid through being not less than 80kN/m, the glass fiber grid to broadwise breaking strength
Grid through being not less than 3% to broadwise elongation at break；Carbon fiber grille is laid with size requirement: being along track line arrangement width
0.6~0.9m, the carbon fiber grille of a length of 8~10m are arranged in the bicycle road of outside；It is installed again outside road structure with automatically controlled
Case, electric valve, comprehensive controller and connection control route processed and and temperature sensor formation loop；Work as temperature sensor
When detecting road environment temperature lower than -2 DEG C, starts electric heating system, close electric heating system when higher than -2 DEG C；The comprehensive control instrument is
The electric integrated measurement and control instrument of PMW2000 series；
3) PC-3 emulsified asphalt sticking layer oil is dispensed in the upper surface of the Sub-course Asphalt Concrete, the PC-3 emulsified asphalt is viscous
The dosage of layer oil is 0.5~0.7L/m2；The PC-3 emulsified asphalt sticking layer oil Asphalt Content 50%；
4) in the upper surface of PC-3 emulsified asphalt sticking layer oil laying snow melt asphalt uplayer and to design standard, road surface is completed
The final maintenance of structure obtains the comprehensive ice melting system in road surface；The snow melt asphalt uplayer is obtained by snow melt asphalt paving；Institute
Stating snow melt pitch includes the snow melt anti-rut agent of AC-13 type pitch and addition in AC-13 type pitch, the snow melt Rut resistance
The additive amount of agent is the 5%-10% of AC-13 type asphalt quality；The snow melt anti-rut agent is by calcium chloride, potassium acetate, acetic acid
Four kinds of raw materials of calcium and magnesium chloride are made；The weight percent of four kinds of components is as follows in the snow melt anti-rut agent:
Preferably, the calcium chloride, potassium acetate, calcium acetate and magnesium chloride weight ratio be 1:3:2:3.
The invention has the advantages that
The present invention snow melt scarce capacity and electric heating system under conventional ice and snow weather under severe cold weather for novel snow melting pitch
Unite energy waste the problem of, propose the comprehensive ice melting system in a kind of snow melt anti-rut agent, snow melt pitch and road surface；The anti-vehicle of the snow melt
Rut agent uses the composite snow-melting agent of the acetate production containing the villaumites such as calcium, magnesium and calcium, potassium, effectively reduces the harm to environment,
It is a kind of efficient snow melting material, and a kind of anti-rut agent best in quality.In ice and snow weather deicing salt from being precipitated, road is realized
Road is from ice-melt function；The comprehensive ice melting system in the road surface is conventional pitch concrete road line structure, novel snow melting asphalt surface course and carbon
Fiber-electric heating system three parts composition.Novel snow melting asphalt surface course is mixed on the basis of traditional road asphalt material and be joined
NEW TYPE OF COMPOSITE deicing salt.Electric heating system utilizes external electric power, thermal energy is provided to road surface by inbuilt carbon fiber grille, with reality
The function of existing severe cold weather system deicing or snow melting.The system utilizes snow melt agent material and electric energy, general ice and snow day air flue well
Realize that deicing or snow melting, severe cold weather are opened electric heating system and melted simultaneously using electric heating deicing or snow melting from snow melt agent material is precipitated in road
Snow pitch can provide booster action when pavement temperature does not rise, delay to freeze.The present invention is using inexpensive environmentally friendly snow melt
Agent material, efficient electric heating utilization rate and the good pressure resistance of carbon fiber, fold resistance, corrosion resistance, it is more environmentally-friendly to save durable, symbol
It is practical to close engineering.In construction method, is completely spread using snow melt asphalt surface course but electric heating system is only laid with one-lane novel construction
Cost is greatly lowered while guaranteeing deicing or snow melting efficiency in method.With the technology phase of single use electrothermal way deicing or snow melting
Than, the present invention takes full advantage of a kind of novel snow melting pitch, power consumption is reduced, and liberated manpower, support personnel's safety, simultaneously
Environmental protection and saving；And the snow melt pitch completely to pave makes the heating wire for only needing to be laid with a lane two-wheel line is i.e. certifiable to melt
Snowization ice effect.So the technology with single use deicing salt, it is insufficient that the invention avoids severe cold weather deicing salt ice melting capabilities
The problem of, while environmental protection and saving, both reduced costs and in turn ensured deicing or snow melting efficiency.
Detailed description of the invention
Fig. 1 is that carbon fiber grille of the invention buries schematic diagram；
Fig. 2 is that carbon fiber of the invention buries diagrammatic cross-section；
Fig. 3 is the embedded schematic diagram of carbon fiber grille of the invention in asphalt surface course；
Figure label:
1- snow melt asphalt uplayer；2- pitch the Sub-course Asphalt Concrete；3- Sub-sealing Course；4- roadbase；Under 5- road
Base；6- road cushion；8- carbon fiber grille；10- distribution control box；11- comprehensive control instrument；12- temperature sensor；13- electricity
Valve.
Specific embodiment
Firstly, the snow melt anti-rut agent is by calcium chloride, potassium acetate, vinegar the present invention provides a kind of snow melt anti-rut agent
Four kinds of raw materials of sour calcium and magnesium chloride are made, and the weight percent of four kinds of components is as follows in the snow melt anti-rut agent:
The preparation flow of snow melt anti-rut agent: this deicing salt raw material is calcium chloride, potassium acetate, calcium acetate and magnesium chloride.Chlorine
Change calcium and magnesium chloride suffers from good deicing or snow melting ability, calcium acetate and potassium acetate compare traditional salt deicing salt environment-friendly type more
By force, the corrosion of road pavement is smaller.Through testing, preferred ingredient mass percent is calcium chloride 8% to 14%, and potassium acetate is
30% to 35%, calcium acetate is 20% to 25% and magnesium chloride is 30% to 35%.The specific match ratio of this programme selects chlorination
Calcium: potassium acetate: calcium acetate: magnesium chloride=1:3:2:3, by raw material stoving, grinding, screening, (wherein, drying uses ZLG3 × 0.30
Vibrated fluidized bed drying, 70~140 DEG C of the inlet air temperature of vibrated fluidized bed, 40~70 DEG C of leaving air temp, evaporation water ability is
20~35kg/h；Grinding is ground with flour mill, is sieved to filter out the powder that particle size range is 2 ± 1mm) after, match according to this
Composition and division in a proportion produces New Kind of Solvent of Snow-melted, has lower freezing point, can effectively prevent and prevent bituminous pavement under cryogenic
It freezes.The adaptive temperature range of deicing salt is wider, and road pavement properties influence smaller.It is demonstrated experimentally that it be not only it is a kind of high
The snow melting material of effect, and a kind of anti-rut agent best in quality.
In addition, the snow melt pitch to be formed is prepared based on snow melt anti-rut agent the present invention also provides a kind of, the snow melt pitch
Including AC-13 type pitch and add in AC-13 type pitch as preceding record snow melt anti-rut agent, snow melt anti-rut agent
Additive amount is the 5%-10% of AC-13 type asphalt quality.While the ratio can have the effect of preferable deicing or snow melting, manufacture is melted
Snow pitch properties evidence meets national regulation.
Referring to Fig. 1, Fig. 2 and Fig. 3, the present invention provides a kind of comprehensive ice melting system in road surface, the comprehensive ice melting systems in road surface
Snow melt asphalt uplayer 1 is formed by including asphalt concrete road structure, carbon fiber electrically hot systems and based on snow melt pitch；
Snow melt asphalt uplayer 1 is laid on the upper surface of asphalt concrete road structure；Carbon fiber electrically hot systems are placed on snow melt pitch
Between surface layer 1 and asphalt concrete road structure.
Wherein: carbon fiber electrically hot systems include carbon fiber grille 8, distribution control box 10, comprehensive control instrument 11, temperature sensing
Device 12, electric valve 13 and alternating current incoming end；Carbon fiber grille 8 is laid on snow melt asphalt uplayer and asphalt concrete road knot
Between structure；The electric valve 13 being connected with alternating current incoming end is provided in distribution control box 10；Distribution control box 10, temperature sensor
12, carbon fiber grille 8 and comprehensive control instrument 11 are sequentially connected composition closed circuit, and comprehensive control instrument 11 is PMW2000 series
Electric integrated measurement and control instrument.Carbon fiber grille 8 is tied up by carbon fiber line and glass dimension grid grid；Carbon fiber line be by
The heater wire that carbon fiber, Teflon and stainless steel cloth are composed；Spacing between adjacent two carbon fiber lines is
7.5mm；The size that glass ties up grid grid is 75mm × 75mm；The shape of glass dimension grid grid is square, and glass ties up lattice
Aperture plate lattice through being not less than 80kN/m to broadwise breaking strength, glass tie up grid grid through to equal with broadwise elongation at break
Not less than 3%.
Asphalt concrete road structure includes below the bituminous concrete being successively set on the earth base of road layer from top to bottom
Layer 2, Sub-sealing Course 3, roadbase 4, road subbase course 5 and road cushion 6；Carbon fiber electrically hot systems are placed in above snow melt pitch
Between layer 1 and the Sub-course Asphalt Concrete 2.Road cushion 6 is dense structure of skeleton, and the compactness of road cushion 6 is not less than
96%, CBR value are not less than 80%；0.075mm percent of pass is no more than 5% in gradation composition used by road cushion 6；Road bottom
Base 5 is identical as the thickness of roadbase 4；Road subbase course 5 and roadbase 4 are all made of cement stabilized macadam laying；Road
Cement stabilized macadam 7d unconfined compressive strength is not less than 2.5MPa in sub-base road 5；Cement stabilized macadam 7d in roadbase 4
Unconfined compressive strength is not less than 3.5MPa；By heavy compaction standard, the compactness of road subbase course 5 is not less than 97%, road
The compactness of base 4 is not less than 98%；Sub-sealing Course 3 uses single layer asphalt topping；In Sub-sealing Course include emulsified asphalt and
Gather materials；Wherein the content of the emulsified asphalt in Sub-sealing Course is not less than 60%；The usage amount of emulsified asphalt is 1.0~1.2kg/m3；
Gathering materials using ES-3 type in Sub-sealing Course, the dosage gathered materials are 5m3/1000m2, the thickness to gather materials is not less than 1cm；Bituminous concrete
Cutting optimal 2 uses close-graded Coarse Graded Bituminous Concrete, and the model of close-graded Coarse Graded Bituminous Concrete is AC-25C, and pitch is mixed
Solidifying soil 2 thickness of cutting optimal is not less than 45mm.
A kind of construction method of the comprehensive ice melting system in road surface, construction method the following steps are included:
1) according to highway asphalt concrete pavement construction technique normalizing and construction process requirement, in the upper table of the earth base of road layer
Face successively laying road bed course 6, road subbase course 5, roadbase 4, Sub-sealing Course 3 and the Sub-course Asphalt Concrete from bottom to top
2, form asphalt concrete road structure；Road cushion 6 is dense structure of skeleton, and the compactness of road cushion 6 is not less than
96%, CBR value are not less than 80%；0.075mm percent of pass is no more than 5% in gradation composition used by road cushion 6；Road bottom
Base 5 is identical as the thickness of roadbase 4；Road subbase course 5 and roadbase 4 are all made of cement stabilized macadam laying；Road
Cement stabilized macadam 7d unconfined compressive strength is not less than 2.5MPa in sub-base road 5；Cement stabilized macadam 7d in roadbase 4
Unconfined compressive strength is not less than 3.5MPa；By heavy compaction standard, the compactness of road subbase course 5 is not less than 97%, road
The compactness of base 4 is not less than 98%；Sub-sealing Course 3 uses single layer asphalt topping；The content of emulsified asphalt is not less than 60%；
The usage amount of emulsified asphalt is 1.0~1.2kg/m3；Gather materials using ES-3 type, dosage 5m3/1000m2, the thickness to gather materials is low
In 1cm；The Sub-course Asphalt Concrete 2 uses close-graded Coarse Graded Bituminous Concrete, the type of close-graded Coarse Graded Bituminous Concrete
It number is AC-25C, 2 thickness of the Sub-course Asphalt Concrete is not less than 45mm；
2) it is laid with carbon fiber grille 8 in the upper surface of the Sub-course Asphalt Concrete 2, and is fixed on by line card and cement nail
The upper surface of the Sub-course Asphalt Concrete 2；Carbon fiber grille 8 is tied up by carbon fiber line and glass dimension grid grid；
Carbon fiber line is the heater wire being composed of carbon fiber, Teflon and stainless steel cloth；Between adjacent two carbon fiber lines
Spacing be 7.5mm；The size that glass ties up grid grid is 75mm × 75mm；The shape of glass dimension grid grid is square,
Glass tie up grid grid through to broadwise breaking strength be not less than 80kN/m, glass tie up grid grid through being broken to broadwise
Elongation is not less than 3%；It is laid with temperature sensor 12, temperature sensor 12 is placed among two carbon fiber heating wires and keeps
Level, apart from heating cable about 25~35mm；Construction road module be laid with size requirement: along track line arrangement width be 0.6~
0.9m, the heating module of a length of 8~10m are arranged in the bicycle road of outside；Installed again outside road structure distribution control box 10,
Electric valve 13, comprehensive controller 11 and connection control route and and the formation loop of temperature sensor 12；Comprehensive controller
11 be the electric integrated measurement and control instrument of PMW2000 series, and the functions such as energy monitor, analysis, control are focused on an easy economy by it
Device in, conventional analog electromagnetic equipment can be replaced completely, instead of a large amount of single transmitters and instrument.
3) PC-3 emulsified asphalt sticking layer oil, PC-3 emulsified asphalt adhesion coating are dispensed in the upper surface of the Sub-course Asphalt Concrete 2
The dosage of oil is 0.5~0.7L/m2；PC-3 emulsified asphalt sticking layer oil Asphalt Content 50%；
4) in the upper surface of PC-3 emulsified asphalt sticking layer oil laying snow melt asphalt uplayer 1 and to design standard, road is completed
The final maintenance of face structure obtains the comprehensive ice melting system in road surface；Snow melt asphalt uplayer 1 is obtained by snow melt asphalt paving；Melt
Snow pitch includes the snow melt anti-rut agent of AC-13 type pitch and addition in AC-13 type pitch, the addition of snow melt anti-rut agent
Amount is the 5%-10% of AC-13 type asphalt quality；Snow melt anti-rut agent is grouped as by four kinds of following groups of weight percent:
Specifically, calcium chloride, potassium acetate, calcium acetate and magnesium chloride weight ratio be 1:3:2:3.
The course of work of the invention: after Winter Snow starts, asphalt concrete pavement temperature is begun to decline.Work as pavement temperature
Near 0 DEG C, there is icing trend on road surface, and under wheel impacts effect, the deicing salt in pitch starts to be precipitated.Water in air
Divide and absorbed rapidly by solid matter deliquescent in deicing salt and generate deliquescence phenomenon, so that ice and snow surface is formed a small amount of water, melt
Snow agent particle, which gradually dissolves, forms snow melt agent solution.Because solid phase (ice and snow) vapour pressure is greater than liquid phase (snow melt agent solution), at this time
Solid phase starts to melt to liquid phase, i.e. ice and snow.If weather further deteriorates, when deicing salt is not enough to deicing or snow melting everywhere.
It opens carbon fiber-electric heating system and tides over warm-up phase under the auxiliary of deicing salt, transmit heat to asphalt concrete pavement.Make
Asphalt concrete pavement temperature is maintained at 0 DEG C or more, to realize the function of road deicing or snow melting.
Snow melt pitch realizes the function of snow-ice melting system using the vapour pressure principle that seif-citing rate and soluble-salt reduce water,
Carbon fiber electrically hot systems transfer heat to covering by transferring heat to asphalt concrete pavement, asphalt concrete pavement again
Ice and snow layer on it melts its heat, Lai Shixian road deicing or snow melting.Novel snow melting pitch be a kind of NEW TYPE OF COMPOSITE deicing salt with
AC-13 asphalt mixing is made.It realizes snow-ice melting system using the vapour pressure principle that seif-citing rate and soluble-salt reduce water
Function.Since carbon fiber and glass fibre all have the advantages that tensile strength is high, both fibrages are pacified at grid
It is placed in asphalt surface course.Road surface cracking resistance and the thorough ability of anti-vehicle can effectively be enhanced；Spy strong using the electric conductivity of carbon fiber simultaneously
Point can quickly generate heat road surface by electric heating, so that ice and snow on road surfaces fast melt, realizes the snow melt being simple and efficient
Change ice.
The present invention is applied in bituminous concrete using a kind of novel carbon fiber grid, as a kind of heat-generating system.In conjunction with
NEW TYPE OF COMPOSITE deicing salt before ensure that the road deicing or snow melting of general rain and snow weather, start carbon fiber in severe cold weather
Electric heating system is tieed up, the use of NEW TYPE OF COMPOSITE deicing salt is aided with.The efficient utilization rate for guaranteeing the energy, is reduced environmental pollution.To sum up,
It comprehensively utilizes novel snow melting pitch and carbon fiber electrically hot systems and can be used as a kind of new grind to the process of deicing or snow melting
Study carefully direction and application field, there is an urgent need to a kind of ice melting system that can be used for asphalt concrete road road surface and its matched applies
Work method.
Carbon fiber electrically hot systems are using external electric power, by the carbon fiber grille 8 of laying to snow melt asphalt uplayer 1
The functional system of thermal energy is provided, is arranged on asphalt roads the Sub-course Asphalt Concrete 2, including control route, outside is furnished with
Distribution control box 10, comprehensive control instrument 11, electric valve 13, placement temperature sensor 12, consolidation nail.Distribution control box 10, synthesis
Measurement and control instrument 11, control route, the connection of carbon fiber grille 8 form closed circuit, control electric valve 13 by distribution control box 10, then
By 13 switch control line of electric valve, distribution control box 10 can also control the size of electric current, can be with by comprehensive control instrument 11
When detect current conditions, an emergency situation is encountered, can immediately by distribution control box 10 disconnect electric valve 13.Temperature sensor 12 is
Surface temperature is measured, comprehensive control instrument 11 can the temperature signal that is transmitted by temperature sensor 12 of real-time reception.Pavement temperature is detected,
Control electric heating conversion rate.
Below in conjunction with specific embodiments and its attached drawing is to comprehensive utilization novel snow melting pitch provided by the invention and carbon
The technical solution of fiber+electric heating asphalt concrete pavement ice melting system and construction method is described further.
Embodiment 1
Specific step is as follows for implementation:
1) according to highway asphalt concrete pavement construction technique normalizing and construction process requirement, on the earth base of road layer 7 according to
The secondary road cushion 6 for being laid with 20mm thickness, bed course 6 are dense structure of skeleton, and compactness >=96%, CBR value is no less than 80%；
As antifreeze bedding course, 0.075mm percent of pass is no more than 5% in gradation composition.Then 19mm thickness is laid with cement stabilized macadam
Underlayment 5 is equally laid with the base 4 of 19mm thickness with cement stabilized macadam.Cement stabilized macadam 7d unconfined compressive strength is not small
In 3.5MPa, underlayment is not less than 2.5MPa；Compactness of subbase is not less than 98%, and base roadbed (is not less than 97%
Heavy compaction standard).
2) pave the saturating oil reservoir of spread PC-2 emulsified asphalt before Sub-sealing Course, dosage 1.0L/m2(bitumen content 50%).
3) it is laid with Sub-sealing Course 3, using single layer asphalt topping；The content of emulsified asphalt is not less than 60% in Sub-sealing Course；
The usage amount of emulsified asphalt is 1.0~1.2kg/m in Sub-sealing Course3；Gather materials using ES-3 type, dosage 5m3/1000m2, with a thickness of
1cm。
4) asphalt concrete cutting optimal 2, using close-graded Coarse Graded Bituminous Concrete (AC-25C), with a thickness of
45mm。
5) carbon fiber lattice made of being tied up as carbon fiber line and glass dimension grid grid on the Sub-course Asphalt Concrete 2
Grid 8 are fixed with line card and cement nail, and carbon fiber line is the heater wire being composed of carbon fiber+Teflon+stainless steel cloth,
Spacing is 7.5mm, and glass ties up grid grid having a size of 75mm × 75mm, and shape is square, through to broadwise breaking strength not
Less than 80kn/m, through being not less than 3% to broadwise elongation at break.It is laid with control route 9 and temperature sensor 12, temperature sensing
Device 12 is placed in holding level among two carbon fiber heating wires, apart from heating cable about 25mm.Construction road module is laid with size
It is required that: it is 0.6m along track line arrangement width, the heating module of a length of 8m is arranged in the bicycle road of outside.Melted according to practical section
Snowization ice demand determines to be laid with total length.
6) spread PC-3 emulsified asphalt sticking layer oil between asphalt concrete pavement, dosage 0.5L/m2(bitumen content
50%).
7) it is laid with novel snow melting pitch and is laid with upper layer, bituminous concrete upper layer is made to reach designed elevation 60mm, it is complete
At the final maintenance of pavement structure, and then the pitch for completing to be equipped with entire novel snow melting pitch and carbon fiber electric heating ice melting system is mixed
Solidifying dirt road line structure.
8) distribution control box 10, electric valve 13, comprehensive controller 11, connection control route 9 are installed again outside road structure
Closed circuit is formed with temperature sensor 12.Complete the drip of entire comprehensive utilization novel snow melting pitch and carbon fiber electrically hot systems
The debugging of green concrete road surface ice melting system is checked and accepted.
9) after Winter Snow starts, asphalt concrete pavement temperature is begun to decline.Near pavement temperature is lower than 0 DEG C, road
There is icing trend in face, and under wheel impacts effect, the deicing salt in pitch starts to be precipitated, and gradually melts from part as the time increases
Change is extended to comprehensive thawing, completes deicing or snow melting work.If weather further deteriorates, deicing salt is not enough to deicing or snow melting everywhere
When.It opens carbon fiber-electric heating system and tides over warm-up phase under the auxiliary of deicing salt, transmit heat to asphalt concrete pavement
Amount.Asphalt concrete pavement temperature is set to be maintained at 0 DEG C or more, to realize the function of road deicing or snow melting.
Claims (10)
1. a kind of snow melt anti-rut agent, it is characterised in that: the snow melt anti-rut agent be by calcium chloride, potassium acetate, calcium acetate with
And four kinds of raw materials of magnesium chloride are made, the weight percent of four kinds of components is as follows in the snow melt anti-rut agent:
Weight percentages of components (%)
Calcium chloride 8-14；
Potassium acetate 30-35；
Calcium acetate 20-25；
Magnesium chloride 30-35.
2. snow melt anti-rut agent according to claim 1, it is characterised in that: the calcium chloride, potassium acetate, calcium acetate and
The weight ratio of magnesium chloride is 1:3:2:3.
3. the preparation method of snow melt anti-rut agent as claimed in claim 1 or 2, it is characterised in that: the method includes following
Step:
1) prepare raw material calcium chloride, potassium acetate, calcium acetate and magnesium chloride；
2) raw material prepared respectively step 1) is dried, is ground and screening process；The mode of the drying is to use
The drying of the vibrated fluidized bed of ZLG3 × 0.30；70 ~ 140 DEG C of the inlet air temperature of the vibrated fluidized bed, is steamed by 40 ~ 70 DEG C of leaving air temp
Shampoo divides ability to be 20 ~ 35kg/h；The mode of the grinding is ground with flour mill；The screening is to filter out particle size range to be
The powder of 2 ± 1mm, is ready for use on step 3)；
3) calcium chloride, potassium acetate, calcium acetate and magnesium chloride are mixed according to component proportion described in claims 1 or 2 equal
Finished product is obtained after even.
4. a kind of prepare the snow melt pitch to be formed based on snow melt anti-rut agent of any of claims 1 or 2, it is characterised in that: institute
Stating snow melt pitch includes that AC-13 type pitch and the snow melt as claimed in claim 1 or 2 added in AC-13 type pitch are anti-
The additive amount of rut agent, the snow melt anti-rut agent is the 5%-10% of AC-13 type asphalt quality.
5. a kind of comprehensive ice melting system in road surface, it is characterised in that: the comprehensive ice melting system in the road surface includes asphalt concrete road
Structure, carbon fiber electrically hot systems and snow melt asphalt uplayer (1) is formed by based on snow melt pitch as claimed in claim 4；
The snow melt asphalt uplayer (1) is laid on the upper surface of asphalt concrete road structure；The carbon fiber electrically hot systems are placed in
Between snow melt asphalt uplayer (1) and asphalt concrete road structure.
6. the comprehensive ice melting system in road surface according to claim 5, it is characterised in that: the carbon fiber electrically hot systems include carbon
Fiber grid (8), distribution control box (10), comprehensive control instrument (11), temperature sensor (12), electric valve (13) and alternating current connect
Enter end；The carbon fiber grille (8) is laid between snow melt asphalt uplayer and asphalt concrete road structure；It is described with automatically controlled
The electric valve (13) being connected with alternating current incoming end is provided in case (10) processed；The distribution control box (10), temperature sensor
(12), carbon fiber grille (8) and comprehensive control instrument (11) are sequentially connected composition closed circuit；The comprehensive control instrument (11) is
The electric integrated measurement and control instrument of PMW2000 series.
7. the comprehensive ice melting system in road surface according to claim 6, it is characterised in that: the carbon fiber grille (8) is by carbon
Fiber line and glass dimension grid grid are tied up；The carbon fiber line is by carbon fiber, Teflon and stainless steel cloth
The heater wire being composed；Spacing between adjacent two carbon fiber lines is 7.5mm；The size of glass dimension grid grid is
75mm×75mm；The shape of glass dimension grid grid is square, the glass dimension grid grid through to disconnected with broadwise
Resistance to spalling is not less than 80kN/m, glass dimension grid grid through being not less than 3% to broadwise elongation at break.
8. according to the comprehensive ice melting system in road surface described in claim 5 or 6 or 7, it is characterised in that: the asphalt concrete road
Structure includes the Sub-course Asphalt Concrete (2) being successively set on the earth base of road layer from top to bottom, Sub-sealing Course (3), Road Base
Layer (4), road subbase course (5) and road cushion (6)；The carbon fiber electrically hot systems be placed in snow melt asphalt uplayer (1) with
Between the Sub-course Asphalt Concrete (2).
9. the comprehensive ice melting system in road surface according to claim 8, it is characterised in that: the road cushion (6) is that skeleton is close
The compactness of full mold structure, the road cushion (6) is not less than 80% not less than 96%, CBR value；The road cushion (6) is adopted
0.075mm percent of pass is no more than 5% in gradation composition；The road subbase course (5) is identical as the thickness of roadbase (4)；
The road subbase course (5) and roadbase (4) are all made of cement stabilized macadam laying；Water in the road subbase course (5)
Cement-stabilizing broken stone 7d unconfined compressive strength is not less than 2.5MPa；Cement stabilized macadam 7d is without lateral confinement in the roadbase (4)
Compression strength is not less than 3.5MPa；By heavy compaction standard, the compactness of the road subbase course (5) is not less than 97%, the road
The compactness of base course (4) is not less than 98%；The Sub-sealing Course (3) uses single layer asphalt topping；Under the bituminous concrete
Surface layer (2) uses close-graded Coarse Graded Bituminous Concrete, and the model of the close-graded Coarse Graded Bituminous Concrete is AC-25C, institute
The Sub-course Asphalt Concrete (2) thickness is stated not less than 45mm.
10. a kind of construction method of the comprehensive ice melting system in road surface, it is characterised in that: the construction method the following steps are included:
1) according to highway asphalt concrete pavement construction technique normalizing and construction process requirement, the upper surface of the earth base of road layer from
It is lower and on successively under laying road bed course (6), road subbase course (5), roadbase (4), Sub-sealing Course (3) and bituminous concrete
Surface layer (2) forms asphalt concrete road structure；The road cushion (6) is dense structure of skeleton, the road cushion
(6) compactness is not less than 80% not less than 96%, CBR value；0.075mm in gradation composition used by the road cushion (6)
Percent of pass is no more than 5%；The road subbase course (5) is identical as the thickness of roadbase (4)；The road subbase course (5) and
Roadbase (4) is all made of cement stabilized macadam laying；Cement stabilized macadam 7d is without lateral confinement resistance to compression in the road subbase course (5)
Intensity is not less than 2.5MPa；Cement stabilized macadam 7d unconfined compressive strength is not less than 3.5MPa in the roadbase (4)；It presses
The compactness of heavy compaction standard, the road subbase course (5) is not less than 97%, and the compactness of the roadbase (4) is not less than
98%；The Sub-sealing Course (3) uses single layer asphalt topping；The Sub-course Asphalt Concrete (2) uses close-graded coarse grain formula
The model of bituminous concrete, the close-graded Coarse Graded Bituminous Concrete is AC-25C, and the Sub-course Asphalt Concrete (2) is thick
Degree is not less than 45mm；
2) carbon fiber grille (8) are laid in the upper surface of the Sub-course Asphalt Concrete (2), and are fixed on by line card and cement nail
The upper surface of the Sub-course Asphalt Concrete (2)；The carbon fiber grille (8) is by carbon fiber line and glass dimension grid grid bundle
It pricks；The carbon fiber line is the heater wire being composed of carbon fiber, Teflon and stainless steel cloth；Adjacent two carbon
Spacing between fiber line is 7.5mm；The size of the glass dimension grid grid is 75mm × 75mm；The glass ties up grid
The shape of lattice is square, glass dimension grid grid through being not less than 80kN/m, the glass to broadwise breaking strength
Tie up grid grid through being not less than 3% to broadwise elongation at break；Carbon fiber grille (8) is laid with size requirement: along track line
Arrangement width is 0.6 ~ 0.9m, and the carbon fiber grille (8) of a length of 8 ~ 10m is arranged in the bicycle road of outside；Pacify again outside road structure
Assemble electric control box (10), electric valve (13), comprehensive controller (11) and connection control route and and temperature sensor (12)
Form loop；When temperature sensor (12) detection road environment temperature is lower than -2 DEG C, start electric heating system, when being higher than -2 DEG C
Close electric heating system；The comprehensive control instrument (11) is the electric integrated measurement and control instrument of PMW2000 series；
3) PC-3 emulsified asphalt sticking layer oil is dispensed in the upper surface of the Sub-course Asphalt Concrete (2), the PC-3 emulsified asphalt is viscous
The dosage of layer oil is 0.5 ~ 0.7L/m2；The PC-3 emulsified asphalt sticking layer oil Asphalt Content 50%；
4) in the upper surface of PC-3 emulsified asphalt sticking layer oil laying snow melt asphalt uplayer (1) and to design standard, road surface is completed
The final maintenance of structure obtains the comprehensive ice melting system in road surface；The snow melt asphalt uplayer (1) is obtained by snow melt asphalt paving
It arrives；The snow melt pitch includes the snow melt anti-rut agent of AC-13 type pitch and addition in AC-13 type pitch, the snow melt
The additive amount of anti-rut agent is the 5%-10% of AC-13 type asphalt quality；The snow melt anti-rut agent be by calcium chloride, potassium acetate,
Four kinds of raw materials of calcium acetate and magnesium chloride are made；The weight percent of four kinds of components is as follows in the snow melt anti-rut agent:
Weight percentages of components (%)
Calcium chloride 8-14；
Potassium acetate 30-35；
Calcium acetate 20-25；
Magnesium chloride 30-35.
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| CN111041935A (en) * | 2019-12-11 | 2020-04-21 | 郑州第二市政建设集团有限公司 | Asphalt concrete road with heating function and construction method thereof |
| CN111366093A (en) * | 2020-03-02 | 2020-07-03 | 哈尔滨工业大学 | Multifunctional distributed optical fiber sensor for road strain test and heat conduction snow melting |
| CN115369717A (en) * | 2022-08-12 | 2022-11-22 | 同济大学 | System and method for melting ice and snow on asphalt pavement of expressway |
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