CN106277941A - A kind of high-environmental road asphalt compound and construction method thereof - Google Patents
A kind of high-environmental road asphalt compound and construction method thereof Download PDFInfo
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- CN106277941A CN106277941A CN201610701926.2A CN201610701926A CN106277941A CN 106277941 A CN106277941 A CN 106277941A CN 201610701926 A CN201610701926 A CN 201610701926A CN 106277941 A CN106277941 A CN 106277941A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00008—Obtaining or using nanotechnology related materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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Abstract
The present invention relates to a kind of high-environmental road asphalt compound and construction method thereof, described asphalt is made up of following raw material according to parts by weight: 75 79 parts gather materials, 79 parts of Colophoniumes, 46 parts of asphalt modifiers, 68 parts of antiagers, 46 parts of breezes, 37 parts of conjugate fibers, 0.5 0.9 parts of stabilizers and 0.5 0.9 parts of auxiliary agents.The present invention is the direction that gangue, cast waste sand, nickel slag and waste polyvinyl chloride plastic bottle find large-scale application, turns waste into wealth, and reduces solidification garbage to the pollution of environment with to appropriation of land, makes resource obtain further with, energy-conserving and environment-protective.The road surface ageing-resistant performance using the asphalt of the present invention to lay is good, and good weatherability, wearability are good, heat-resist, be not easily tied cracking and anti-rut behavior is good, and the production cost of asphalt is low, gathers materials and be difficult to disperse in production process.
Description
Technical field
The present invention relates to road construction technical field, be specifically related to a kind of high-environmental road asphalt compound and construction thereof
Method.
Background technology
Solidification garbage, such as gangue, cast waste sand, nickel slag, waste plastic bottle etc., government puts into substantial contribution every year
Buried, burning, buried not only serious waste preciousness land resource runs off, and bulk deposition such as mountain can produce carbon monoxide, sternly
The generation of huge strong explosion phenomenon is produced during weight.Burn the sulfide entrance air produced and can destroy ozone, and the smog meeting produced
Cause the environmental pollutions such as haze, therefore industrial waste is used and there is very important realistic meaning and value.
At present, a lot of solidification garbages are applied in road asphalt compound.Improper yet with selection ratio, system
The factors such as Preparation Method is improper, cause the road surface ageing-resistant performance using the asphalt that with the addition of solidification garbage to be laid
Difference, weatherability is poor, wear no resistance, poor heat resistance, easy fatigue cracking and anti-rut behavior poor.And owing to technological means does not becomes
Ripe, cause production cost high and the problem such as disperse of gathering materials.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of high-environmental road asphalt compound and construction thereof
Method, the road surface ageing-resistant performance laid is good, and good weatherability, wearability are good, heat-resist, be not easily tied cracking and anti-car
Rut performance is good, and the production cost of asphalt is low, gathers materials and be difficult to disperse in production process.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of high-environmental road asphalt mixes
Closing material, described asphalt is made up of following raw material according to parts by weight: 75-79 part is gathered materials, 7-9 part Colophonium, the drip of 4-6 part
Blue or green modifying agent, 6-8 part antiager, 4-6 part breeze, 3-7 part conjugate fiber, 0.5-0.9 part stabilizer and 0.5-0.9 part are helped
Agent, wherein, described in gather materials according to parts by weight be by 10-14 part gangue fragment, 4-6 part cast waste sand, 1-3 part nickel slag and
0.5-0.9 part mass concentration is that the sodium hydroxide solution reaction of 0.5mol/L is made, and described asphalt modifier is according to parts by weight
Be by 10-20 part waste polyvinyl chloride plastic bottle after melted with 1-5 part medium powder Hybrid Heating, then through quickly cooling with pulverize
The composite granule of rear generation is made, and described medium powder is to be discarded kieselguhr by pulpous state to discard diatom with pulpous state after dried, crushed
The sodium hydrate solid of soil weight 2 times is mixed and heated to be made.
Described antiager is the silicone rubber of 3-3.5:3-3.5:2-2.5:2-2.5, fluorubber, isoamyl rubber by weight ratio
Glue, butadiene rubber form.
Described conjugate fiber is made up of the fire resistance fibre that weight ratio is 3-4.5:2-2.5 and polyimide fiber.
Described stabilizer is styrene butadiene styrene block copolymer (SBS) or styrene-different styrene block
Copolymer.
Described auxiliary agent is stannum coupling agent, lignin coupling agent or titanate coupling agent one of which.
The particle diameter of described gangue fragment is 4-16mm, and the particle diameter of described cast waste sand is 2-3mm, the particle diameter of described nickel slag
For 0.074-1 mm, the particle diameter of described breeze is less than 0.073mm.
The construction method of described a kind of high-environmental road asphalt compound, comprises the following steps:
Step one, weigh according to above-mentioned parts by weight and choose gangue fragment, cast waste sand, nickel slag, sodium hydroxide solution, drip
Green grass or young crops, waste polyvinyl chloride plastic bottle, pulpous state discard kieselguhr, sodium hydrate solid, antiager, breeze, conjugate fiber, stablize
Agent and auxiliary agent, as raw material for standby；
Step 2, from standby raw material, take cast waste sand, sodium hydroxide solution, gangue fragment and nickel slag, in cast waste sand
Add sodium hydroxide solution stirring 10min, be added thereto to gangue fragment and nickel slag the most successively, make after stirring 30min
Gather materials, standby；
Step 3, from standby raw material, take pulpous state discard kieselguhr and sodium hydrate solid, pulpous state is discarded kieselguhr and dries extremely
Weight is constant, then is added thereto to sodium hydrate solid mixing and stirring, and is heated to 820-840 DEG C, keeps this temperature
Medium powder is made after 4.5h, standby；
Step 4, from standby raw material, take waste polyvinyl chloride plastic bottle, be preheated to after broken for waste polyvinyl chloride plastic bottle
175-180 DEG C, add the medium powder prepared in step 3 and be warming up to 185-195 DEG C, will after keeping this temperature stirring 20min
It is to be quickly cooled to-20 DEG C under conditions of 240 DEG C/min that mixture is placed in rate of temperature fall, thus forms firming body, then will solidification
Body is ground into the powder that granularity is 0.4mm, i.e. makes asphalt modifier, standby；
Step 5, taking Colophonium from standby raw material, Colophonium is preheated to 90-120 DEG C, the Colophonium being then added thereto to prepare changes
Property agent also stirs 25min, then be warming up to 156-160 DEG C, makes high-viscosity modified asphalt, standby；
Step 6, gather materials be preheated to 166-170 DEG C by what step 2 prepared, the high viscosity modification that then will prepare in step 4
Colophonium is added thereto, after stirring 5min, then by antiager remaining in standby raw material, auxiliary agent, breeze, conjugate fiber and stable
Agent is added thereto, and continues stirring 15min, makes high-environmental road asphalt compound；
Step 7, prepared high-environmental road asphalt compound is layed on roadbed, compacting.
Compared with prior art, the method have the advantages that
Find the direction of large-scale application for gangue, cast waste sand, nickel slag and waste polyvinyl chloride plastic bottle, turn waste into wealth,
Reduce solidification garbage to the pollution of environment with to appropriation of land, make resource obtain further with, energy-conserving and environment-protective.
The present invention takes the primary raw material that gangue fragment, cast waste sand and nickel slag gather materials as preparation, by useless to casting
Sand adds sodium hydroxide solution so that a large amount of sodium silicate contained in cast waste sand are dissolved in sodium hydroxide solution, formation
Gangue fragment is played activation by waterglass, makes gangue fragment need the temperature of preheating to reduce, and then reduces and gather materials
Need the temperature of preheating, cost-effective.And nickel slag is coated with by sodium hydroxide so that nickel solid impurity particle surfacing is smooth, can
To fill more concrete dynamic modulus, so that forming embedded squeezing form between nickel slag and gangue fragment and cast waste sand, improve and gathering materials
The internal friction resistance of intergranular and lock knot power, and then improve the performance and range gathered materials.
Colophonium is modified by the asphalt modifier that the present invention utilizes waste polyvinyl chloride plastic bottle and medium powder to make, from
And generating high temperature resistant, the high-viscosity modified asphalt of high intensity, modified Colophonium is big with the cohesive force of the cementitious matter that breeze is formed
Big raising, improves the adhesive ability gathered materials so that what modified Colophonium and the present invention made gathers materials and can tie more closely
Close, improve tensile strength and the Rut resistance of asphalt, be allowed to the most easy to crack, improve its service life.
When preparing asphalt modifier, described medium powder be by pulpous state discard kieselguhr mix with sodium hydrate solid and
Becoming, kieselguhr Si-OH in structure when being heated is activated, and the Si-OH of activation is when utilizing highly basic fused mass to process
Elecrtonegativity is enhanced.Medium powder solidification after quickly cooling is added so that raw after being melted by waste polyvinyl chloride plastic bottle
The firming body toughness become is substantially reduced, and mechanical strength drastically declines, and is very easy to pulverize, and the powder opaque after pulverizing is fine and smooth,
Can quickly disperse in Colophonium.
In the present invention, antiager has crosslinked action, and the auxiliary agent of addition further improves the performance of its crosslinking, makes resistance to
Aging dose with gather materials and modified Colophonium is combined closely, thus improve the hot strength of asphalt, tearing strength and
Wearability, makes asphaltic road-mix surface course wearability higher, more robust.In the present invention, stabilizer is the long bond structure of side chain, is distributed in
Asphalt is formed certain spacial framework, thus has reached good weatherability properties and Nai La, make product quality steady
Fixed.Conjugate fiber has carried out effective suppression to the problem of dispersing of gathering materials, and will not cram skeleton space and cause voidage to reduce,
Make its resistance to elevated temperatures strengthen while not affecting asphalt intensity, and it is fire-retardant anti-that asphaltic road-mix surface course is had
Fire performance.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further elaborated, protection scope of the present invention be not limited to
Lower embodiment.Implement the process of the present invention, condition, reagent etc., outside the lower content mentioned specially, be the general of this area
All over knowledge and common knowledge, the present invention is not particularly limited content.
Embodiment 1
A kind of high-environmental road asphalt compound, described asphalt is made up of following raw material according to parts by weight: 75
Part gather materials, 7 parts of Colophoniumes, 4 parts of asphalt modifiers, 6 parts of antiagers, 4 parts of breezes, 3 parts of conjugate fibers, 0.5 part of stabilizer and
0.5 part of auxiliary agent, wherein, described in gather materials according to parts by weight be by 10 parts of gangue fragments, 4 parts of cast waste sands, 1 part of nickel slag and
0.5 part of mass concentration is that the sodium hydroxide solution reaction of 0.5mol/L is made, described asphalt modifier according to parts by weight be by
10 parts of waste polyvinyl chloride plastic bottles after melted with 1 part of medium powder Hybrid Heating, then through quickly cooling and generation after pulverizing
Composite granule is made, and described medium powder is to be discarded kieselguhr by pulpous state to discard kieselguhr weight 2 times after dried, crushed with pulpous state
Sodium hydrate solid be mixed and heated and make.
Described antiager is that the silicone rubber of 3:3:2:2, fluorubber, isoprene rubber, butadiene rubber form by weight ratio.
Described conjugate fiber is made up of the fire resistance fibre that weight ratio is 3:2.5 and polyimide fiber.
Described stabilizer is styrene butadiene styrene block copolymer (SBS).
Described auxiliary agent is stannum coupling agent.
The particle diameter of described gangue fragment is 4mm, and the particle diameter of described cast waste sand is 2mm, and the particle diameter of described nickel slag is
0.074 mm, the particle diameter of described breeze is 0.073mm.
The construction method of described a kind of high-environmental road asphalt compound, comprises the following steps:
Step one, weigh according to above-mentioned parts by weight and choose gangue fragment, cast waste sand, nickel slag, sodium hydroxide solution, drip
Green grass or young crops, waste polyvinyl chloride plastic bottle, pulpous state discard kieselguhr, sodium hydrate solid, antiager, breeze, conjugate fiber, stablize
Agent and auxiliary agent, as raw material for standby；
Step 2, from standby raw material, take cast waste sand, sodium hydroxide solution, gangue fragment and nickel slag, in cast waste sand
Add sodium hydroxide solution stirring 10min, be added thereto to gangue fragment and nickel slag the most successively, make after stirring 30min
Gather materials, standby；
Step 3, from standby raw material, take pulpous state discard kieselguhr and sodium hydrate solid, pulpous state is discarded kieselguhr and dries extremely
Weight is constant, then is added thereto to sodium hydrate solid mixing and stirring, and is heated to 820 DEG C, after keeping this temperature 4.5h
Make medium powder, standby；
Step 4, from standby raw material, take waste polyvinyl chloride plastic bottle, be preheated to after broken for waste polyvinyl chloride plastic bottle
175 DEG C, add the medium powder prepared in step 3 and be warming up to 185 DEG C, after keeping this temperature stirring 20min, mixture being put
Under conditions of rate of temperature fall is 240 DEG C/min, it is quickly cooled to-20 DEG C, thus forms firming body, then firming body is ground into
Granularity is the powder of 0.4mm, i.e. makes asphalt modifier, standby；
Step 5, from standby raw material, take Colophonium, Colophonium is preheated to 90 DEG C, is then added thereto to the asphalt modifier prepared
And stir 25min, then it is warming up to 156 DEG C, make high-viscosity modified asphalt, standby；
Step 6, gather materials be preheated to 166 DEG C by what step 2 prepared, the high-viscosity modified asphalt that then will prepare in step 4
It is added thereto, after stirring 5min, then antiager remaining in standby raw material, auxiliary agent, breeze, conjugate fiber and stabilizer is added
Enter wherein, continue stirring 15min, make high-environmental road asphalt compound；
Step 7, prepared high-environmental road asphalt compound is layed on roadbed, compacting.
Embodiment 2
A kind of high-environmental road asphalt compound, it is characterised in that: described asphalt is by following according to parts by weight
Raw material is made: 77 parts gather materials, 8 parts of Colophonium, 5 parts of asphalt modifiers, 7 parts of antiagers, 5 parts of breezes, 5 parts of conjugate fibers, 0.7 part
Stabilizer and 0.7 part of auxiliary agent, wherein, described in gather materials according to parts by weight be by 12 parts of gangue fragments, 5 parts of cast waste sands, 2
Part nickel slag and 0.7 part of mass concentration are that the sodium hydroxide solution reaction of 0.5mol/L is made, and described asphalt modifier is according to weight
Amount number be by 15 parts of waste polyvinyl chloride plastic bottles after melted with 3 parts of medium powder Hybrid Heating, then through quickly cooling down and powder
The composite granule generated after broken is made, and described medium powder is to be discarded kieselguhr by pulpous state to discard silicon with pulpous state after dried, crushed
The sodium hydrate solid that diatomaceous earth weight is 2 times is mixed and heated to be made.
Described antiager is the silicone rubber of 3:3:2.5:2.5, fluorubber, isoprene rubber, butadiene rubber group by weight ratio
Become.
Described conjugate fiber is made up of the fire resistance fibre that weight ratio is 3.5:2.5 and polyimide fiber.
Described stabilizer is styrene butadiene styrene block copolymer (SBS).
Described auxiliary agent is lignin coupling agent.
The particle diameter of described gangue fragment is 10mm, and the particle diameter of described cast waste sand is 3mm, and the particle diameter of described nickel slag is
0.09mm, the particle diameter of described breeze is 0.072mm.
The construction method of described a kind of high-environmental road asphalt compound, comprises the following steps:
Step one, weigh according to above-mentioned parts by weight and choose gangue fragment, cast waste sand, nickel slag, sodium hydroxide solution, drip
Green grass or young crops, waste polyvinyl chloride plastic bottle, pulpous state discard kieselguhr, sodium hydrate solid, antiager, breeze, conjugate fiber, stablize
Agent and auxiliary agent, as raw material for standby；
Step 2, from standby raw material, take cast waste sand, sodium hydroxide solution, gangue fragment and nickel slag, in cast waste sand
Add sodium hydroxide solution stirring 10min, be added thereto to gangue fragment and nickel slag the most successively, make after stirring 30min
Gather materials, standby；
Step 3, from standby raw material, take pulpous state discard kieselguhr and sodium hydrate solid, pulpous state is discarded kieselguhr and dries extremely
Weight is constant, then is added thereto to sodium hydrate solid mixing and stirring, and is heated to 830 DEG C, after keeping this temperature 4.5h
Make medium powder, standby；
Step 4, from standby raw material, take waste polyvinyl chloride plastic bottle, be preheated to after broken for waste polyvinyl chloride plastic bottle
177 DEG C, add the medium powder prepared in step 3 and be warming up to 190 DEG C, after keeping this temperature stirring 20min, mixture being put
Under conditions of rate of temperature fall is 240 DEG C/min, it is quickly cooled to-20 DEG C, thus forms firming body, then firming body is ground into
Granularity is the powder of 0.4mm, i.e. makes asphalt modifier, standby；
Step 5, from standby raw material, take Colophonium, Colophonium is preheated to 105 DEG C, is then added thereto to the asphalt modification prepared
Agent also stirs 25min, then be warming up to 158 DEG C, makes high-viscosity modified asphalt, standby；
Step 6, gather materials be preheated to 168 DEG C by what step 2 prepared, the high-viscosity modified asphalt that then will prepare in step 4
It is added thereto, after stirring 5min, then antiager remaining in standby raw material, auxiliary agent, breeze, conjugate fiber and stabilizer is added
Enter wherein, continue stirring 15min, make high-environmental road asphalt compound；
Step 7, prepared high-environmental road asphalt compound is layed on roadbed, compacting.
Embodiment 3
A kind of high-environmental road asphalt compound, described asphalt is made up of following raw material according to parts by weight: 79
Part gather materials, 9 parts of Colophoniumes, 6 parts of asphalt modifiers, 8 parts of antiagers, 6 parts of breezes, 7 parts of conjugate fibers, 0.9 part of stabilizer and
0.9 part of auxiliary agent, wherein, described in gather materials according to parts by weight be by 14 parts of gangue fragments, 6 parts of cast waste sands, 3 parts of nickel slags and
0.9 part of mass concentration is that the sodium hydroxide solution reaction of 0.5mol/L is made, described asphalt modifier according to parts by weight be by
20 parts of waste polyvinyl chloride plastic bottles after melted with 5 parts of medium powder Hybrid Heating, then through quickly cooling and generation after pulverizing
Composite granule is made, and described medium powder is to be discarded kieselguhr by pulpous state to discard kieselguhr weight 2 times after dried, crushed with pulpous state
Sodium hydrate solid be mixed and heated and make.
Described antiager is the silicone rubber of 3.5:3.5:2:2.5, fluorubber, isoprene rubber, suitable fourth rubber by weight ratio
Glue forms.
Described conjugate fiber is made up of the fire resistance fibre that weight ratio is 4.5:2 and polyimide fiber.
Described stabilizer is styrene-different styrene block copolymer.
Described auxiliary agent is titanate coupling agent.
The particle diameter of described gangue fragment is 16mm, and the particle diameter of described cast waste sand is 3mm, and the particle diameter of described nickel slag is 1
Mm, the particle diameter of described breeze is 0.071mm.
The construction method of described a kind of high-environmental road asphalt compound, comprises the following steps:
Step one, according to described in claim 1 parts by weight weigh choose gangue fragment, cast waste sand, nickel slag, hydroxide
Sodium solution, Colophonium, waste polyvinyl chloride plastic bottle, pulpous state discard kieselguhr, sodium hydrate solid, antiager, breeze, combination
Fiber, stabilizer and auxiliary agent, as raw material for standby；
Step 2, from standby raw material, take cast waste sand, sodium hydroxide solution, gangue fragment and nickel slag, in cast waste sand
Add sodium hydroxide solution stirring 10min, be added thereto to gangue fragment and nickel slag the most successively, make after stirring 30min
Gather materials, standby；
Step 3, from standby raw material, take pulpous state discard kieselguhr and sodium hydrate solid, pulpous state is discarded kieselguhr and dries extremely
Weight is constant, then is added thereto to sodium hydrate solid mixing and stirring, and is heated to 840 DEG C, after keeping this temperature 4.5h
Make medium powder, standby；
Step 4, from standby raw material, take waste polyvinyl chloride plastic bottle, be preheated to after broken for waste polyvinyl chloride plastic bottle
180 DEG C, add the medium powder prepared in step 3 and be warming up to 195 DEG C, after keeping this temperature stirring 20min, mixture being put
Under conditions of rate of temperature fall is 240 DEG C/min, it is quickly cooled to-20 DEG C, thus forms firming body, then firming body is ground into
Granularity is the powder of 0.4mm, i.e. makes asphalt modifier, standby；
Step 5, from standby raw material, take Colophonium, Colophonium is preheated to 120 DEG C, is then added thereto to the asphalt modification prepared
Agent also stirs 25min, then be warming up to 160 DEG C, makes high-viscosity modified asphalt, standby；
Step 6, gather materials be preheated to 170 DEG C by what step 2 prepared, the high-viscosity modified asphalt that then will prepare in step 4
It is added thereto, after stirring 5min, then antiager remaining in standby raw material, auxiliary agent, breeze, conjugate fiber and stabilizer is added
Enter wherein, continue stirring 15min, make high-environmental road asphalt compound；
Step 7, prepared high-environmental road asphalt compound is layed on roadbed, compacting.
Claims (7)
1. a high-environmental road asphalt compound, it is characterised in that: described asphalt according to parts by weight be by with
Lower raw material is made: 75-79 part is gathered materials, 7-9 part Colophonium, 4-6 part asphalt modifier, 6-8 part antiager, 4-6 part breeze, 3-7
Part conjugate fiber, 0.5-0.9 part stabilizer and 0.5-0.9 part auxiliary agent, wherein, described in gather materials according to parts by weight be by 10-
14 parts of gangue fragments, 4-6 part cast waste sand, 1-3 part nickel slag and 0.5-0.9 part mass concentration are the hydroxide of 0.5mol/L
Sodium solution reaction is made, and described asphalt modifier is through melted by 10-20 part waste polyvinyl chloride plastic bottle according to parts by weight
Afterwards with 1-5 part medium powder Hybrid Heating, then make through quickly cooling and the composite granule generated after pulverizing, described medium powder be by
Pulpous state is discarded kieselguhr and is discarded the sodium hydrate solid of kieselguhr weight 2 times after dried, crushed with pulpous state and be mixed and heated system
Become.
2. a kind of high-environmental road asphalt compound as claimed in claim 1, it is characterised in that: described antiager is by weight
Measure than being the silicone rubber of 3-3.5:3-3.5:2-2.5:2-2.5, fluorubber, isoprene rubber, butadiene rubber composition.
3. a kind of high-environmental road asphalt compound as claimed in claim 1, it is characterised in that: described conjugate fiber is by weight
Amount forms than fire resistance fibre and the polyimide fiber for 3-4.5:2-2.5.
4. a kind of high-environmental road asphalt compound as claimed in claim 1, it is characterised in that: described stabilizer is benzene second
Alkene-butadiene-styrene block copolymer or styrene-different styrene block copolymer.
5. a kind of high-environmental road asphalt compound as claimed in claim 1, it is characterised in that: described auxiliary agent is stannum coupling
Agent, lignin coupling agent or titanate coupling agent one of which.
6. a kind of high-environmental road asphalt compound as claimed in claim 1, it is characterised in that: described gangue fragment
Particle diameter is 4-16mm, and the particle diameter of described cast waste sand is 2-3mm, and the particle diameter of described nickel slag is 0.074-1 mm, described breeze
Particle diameter is less than 0.073mm.
The construction method of a kind of high-environmental road asphalt compound the most as claimed in claim 1, it is characterised in that include following
Step:
Step one, according to described in claim 1 parts by weight weigh choose gangue fragment, cast waste sand, nickel slag, hydroxide
Sodium solution, Colophonium, waste polyvinyl chloride plastic bottle, pulpous state discard kieselguhr, sodium hydrate solid, antiager, breeze, combination
Fiber, stabilizer and auxiliary agent, as raw material for standby；
Step 2, from standby raw material, take cast waste sand, sodium hydroxide solution, gangue fragment and nickel slag, in cast waste sand
Add sodium hydroxide solution stirring 10min, be added thereto to gangue fragment and nickel slag the most successively, make after stirring 30min
Gather materials, standby；
Step 3, from standby raw material, take pulpous state discard kieselguhr and sodium hydrate solid, pulpous state is discarded kieselguhr and dries extremely
Weight is constant, then is added thereto to sodium hydrate solid mixing and stirring, and is heated to 820-840 DEG C, keeps this temperature
Medium powder is made after 4.5h, standby；
Step 4, from standby raw material, take waste polyvinyl chloride plastic bottle, be preheated to after broken for waste polyvinyl chloride plastic bottle
175-180 DEG C, add the medium powder prepared in step 3 and be warming up to 185-195 DEG C, will after keeping this temperature stirring 20min
It is to be quickly cooled to-20 DEG C under conditions of 240 DEG C/min that mixture is placed in rate of temperature fall, thus forms firming body, then will solidification
Body is ground into the powder that granularity is 0.4mm, i.e. makes asphalt modifier, standby；
Step 5, taking Colophonium from standby raw material, Colophonium is preheated to 90-120 DEG C, the Colophonium being then added thereto to prepare changes
Property agent also stirs 25min, then be warming up to 156-160 DEG C, makes high-viscosity modified asphalt, standby；
Step 6, gather materials be preheated to 166-170 DEG C by what step 2 prepared, the high viscosity modification that then will prepare in step 4
Colophonium is added thereto, after stirring 5min, then by antiager remaining in standby raw material, auxiliary agent, breeze, conjugate fiber and stable
Agent is added thereto, and continues stirring 15min, makes high-environmental road asphalt compound；
Step 7, prepared high-environmental road asphalt compound is layed on roadbed, compacting.
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| CN201610701926.2A CN106277941B (en) | 2016-08-23 | 2016-08-23 | A kind of high-environmental road asphalt mixture and its construction method |
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| CN201610701926.2A CN106277941B (en) | 2016-08-23 | 2016-08-23 | A kind of high-environmental road asphalt mixture and its construction method |
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| CN106277941B CN106277941B (en) | 2018-06-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106277941B (en) | 2018-06-12 |
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