CN106082823A - A kind of modified asphalt concrete - Google Patents
A kind of modified asphalt concrete Download PDFInfo
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- CN106082823A CN106082823A CN201610445372.4A CN201610445372A CN106082823A CN 106082823 A CN106082823 A CN 106082823A CN 201610445372 A CN201610445372 A CN 201610445372A CN 106082823 A CN106082823 A CN 106082823A
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of modified asphalt concrete of disclosure of the invention, is made up of following component: Binder Materials, sand, rubble, cocoanut active charcoal, slag micropowder, shoddy, modified pitch, brucite, additive, adjuvant and suitable quantity of water.The gel rubber material that the present invention uses can adsorb the stone sand in mortar, then can form network structure after gel absorption, each composition can be made to be well combined in the case of less water, reduces isolation, the generation of bleeding situation.The present invention adds additive and adjuvant and by adjusting the proportioning of each composition in concrete formulation, improves the combination property of concrete, it is possible to meet major part building requirements.By using modified pitch of the present invention to prepare modified asphalt concrete, the combination property of concrete can be improved further, comprcssive strength and rupture strength all improve more than 10%, salt-resistance and the impermeability of concrete are further enhanced, the development of inside concrete micro-crack can also be hindered, make the effect of concrete activeness and quietness.
Description
Technical field
The present invention relates to building material field, particularly relate to a kind of modified asphalt concrete.
Background technology
Concrete is the widest construction material of modern Application, and it has abundant raw material, cheap, technique simple, by force
The advantages such as degree height, good endurance.Ready-mixed concrete is the one of concrete, refer to by cement, gather materials, water and mixing as required
The components such as the additive that enters, mineral admixture by a certain percentage mixing plant sell after metering, mixing and use transport vehicle
It is transported to the concrete mix of place to use at the appointed time.Because site operation has greater environmental impacts, so premixing mixes
Solidifying soil receives more and more attention.But after concrete materials mixing, As time goes on chemical reaction can occur, to mixed
Solidifying soil mobility, slump loss, workability etc. all can exert an adverse impact, therefore ready-mixed concrete need specify time
In be transported in required building site, also the performance of concrete is had higher requirement simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of modified asphalt concrete, be achieved through the following technical solutions:
A kind of modified asphalt concrete, is made up of following component by weight: Binder Materials 35, sand 48, rubble 106, modification
Colophonium 18, cocoanut active charcoal 5, slag micropowder 8, shoddy 15, brucite 4, additive 4, adjuvant 1 and suitable quantity of water,
Described Binder Materials is made up of following component by weight: cement 30, clay 10, dihydrate gypsum 4, hydrated calcium silicate are solidifying
Glue 1, alunite 0.5, periclase 0.8, bentonite 3；The preparation method of described Binder Materials is: by cement, clay, two water stone
After cream, hydrated calcium silicate gel, alunite, periclase, bentonite mix homogeneously, add in dehydrated alcohol, be ground 40
Minute, mixture granularity reaches 200-250 mesh, filters, to obtain final product；Described bentonite is through pretreatment: bentonite is first passed through 358
DEG C high-temperature calcination 10 minutes, is subsequently cooled to 182 DEG C, and adding temperature to is in 8-10 DEG C of water, after airtight immersion 20 minutes, and mistake
Filter, dries, to obtain final product；
Described adjuvant is made up of following component by weight: poly carboxylic acid series water reducer 4, triisopropanolamine 10, lignin sulfonic acid
Sodium 5, silane coupler 5, poly-diethylene glycol monolaurate 7, nano-silicon calcium powder 4, hollow glass micropearl 2, stearic acid 0.5, Rhizoma amorphophalli powder
6；The preparation method of described adjuvant is: by poly carboxylic acid series water reducer, triisopropanolamine, sodium lignin sulfonate, silane coupler,
Poly-diethylene glycol monolaurate, nano-silicon calcium powder, hollow glass micropearl, stearic acid, Rhizoma amorphophalli powder add in high mixer, at 1200r/
Under min rotating speed, mix 15 minutes, to obtain final product；
Described additive is made up of following component by weight: glass fibre 7, cotton fiber 3, polyvinyl alcohol 8, epoxy resin
10, nano diatomite 2, potter's clay 3, dibutyl phthalate 0.5, xanthan gum 0.5；The preparation method of described additive is: will
Glass fibre, cotton fiber, polyvinyl alcohol, epoxy resin, nano diatomite, potter's clay, dibutyl phthalate, xanthan gum are by upper
After stating weight portion mixing, at 38 DEG C, use Ultrasonic Pulverization 30 minutes, then, stir 15 minutes with 150r/min speed, to obtain final product；
The particle diameter of described sand is 0.25mm, and the particle diameter of described rubble is 2.5mm；The described ratio of mud is 0.436；
Described modified pitch is made up of following component by weight: 120 parts of bitumen A H-70,12 parts of Oleum Verniciae fordii, 1 part of carboxymethyl fibre
Dimension element, 3 parts of Boraxs, 4 parts of Silica hydrogel, 8 parts of epoxy resin, 2 parts of ceramics, 4 parts of glass dust, 3 parts of epoxy soybean oils, 1 part of cycloalkanes
Acid zinc, 15 parts of modifying agent, 1 part of adjuvant；Described ceramics processes through being blended with glass dust: described ceramics and glass dust warp
Cross be blended process: by ceramics with glass dust after mixing, add in the sodium hydroxide solution that mass concentration is 3.08%,
After soaking 30 minutes at 87 DEG C, filter, washing, after drying, add in the stearic acid solution that mass concentration is 9.6%, 38
At DEG C, after soaking 1 hour, filter, washing, dry,；Described modifying agent is made up of following component by weight: useless
Old polyethylene 10, methyl silicon resin 2, waste and old nitrile rubber 25, waste and old butadiene-styrene rubber 15, Colophonium 4, bamboo charcoal powder 2；Described modifying agent
Preparation method be: by equal to waste polyethylene, methyl silicon resin, waste and old nitrile rubber, waste and old butadiene-styrene rubber, Colophonium, bamboo charcoal powder
Even admixed together, use pulverizer be ground into compound particles, compound particles is added to mass concentration be 6.8% pungent
In diacid solution, it is heated to 62 DEG C, after stirring 30 minutes with 100r/min speed, filters, washing, dry, be then added to quality
Concentration is in the sodium hydroxide solution of 6.8%, is heated to 95 DEG C, after stirring 15 minutes with 120r/min speed, filters, washing, dries
Dry, then it is then added in the boric acid solution that mass concentration is 2.5%, is heated to 42 DEG C, after soaking 10 minutes, add mixing
The calcium sulfate crystal whiskers of grain quality 1%, is heated to 58 DEG C, after stirring 30 minutes with 150r/min speed, naturally cools to room temperature, mistake
Filter, washing, dry,；Described adjuvant is made up of following component by weight: 10 parts of Pulvis Talci, 15 parts of bentonite, 2
Part titanate esters, 8 parts of blanc fixes, 3 parts of expanded perlites, the preparation method of described adjuvant is: by Pulvis Talci, bentonite, weight
After spar powder, expanded perlite uniformly mix, after calcining 35 minutes under 358 DEG C of high temperature, it is quickly cooled to room temperature, then pulverizes
To 200-250 mesh, add titanate esters, stir,；Described epoxy soybean oil processes through being blended with Oleum Verniciae fordii: by epoxy
Soybean oil and Oleum Verniciae fordii add immersion in the maleic acid solution that mass concentration is 5.4% to and then use electron beam irradiation in 30 minutes
45s, filters, and washing places in the dodecylbenzene sodium sulfonate solution that mass concentration is 6.9%, stirs with 150r/min speed
After 15 minutes, filter, washing, be dried,.
The preparation method of a kind of modified asphalt concrete the most according to claim 1, it is characterised in that including:
(1) by after sand, rubble, brucite, cocoanut active charcoal, slag micropowder mixing, stir；
(2) mixture adds in (1) gel rubber material and modified pitch, stir；
(3) mixture adds in (2) additive and adjuvant, after stirring, stand 15-20 minute；
(4) add water by ratio of mud mixture in (3) of 0.436, stir 3-4 hour, maintenance under the wet environment of 21 DEG C
10 days, obtain concrete of the present invention.
The present invention is through substantial amounts of experimentation, by the synergism of gel rubber material, additive and the adjuvant of preparation
The intensity of concrete, toughness and the endurance quality of preparation are all greatly improved, and relative to normal concrete, prepared by the present invention
The road mechanical property of concrete, endurance quality more preferable；Micro-Structure Analysis shows: the composition in adjuvant is in concrete
Being woven into netted glued membrane, increase the specific surface area of gel rubber material, so that gel rubber material hydration reaction is more abundant, microstress is more
Dispersion, therefore the intensity of concrete is improved, durability is improved.
Macroscopical change in volume that in concrete, the factor such as the change of contained humidity, chemical reaction and variations in temperature causes.Place
Contraction under complete free state is to concrete and has no adverse effects, but is in mixing under different restrained condition in Practical Project
Xtah Crude Clay structure often ftractures because shrinking big, thus constitutes a threat to safety of structure and durability.Therefore, the present invention not only exists
Carry out substantial amounts of research on composition prepared by concrete, also the ratio of mud in preparation has been carried out numerous studies, drawn optimal
The ratio of mud such that it is able to reduce greatly concrete and cause the phenomenon of cracking because shrinking big, greatly improve structure peace
Full property and durability.
The present invention is through substantial amounts of experimentation, by the mixture of rubber and resin first being carried out modification, then
Coordinate other auxiliary material to be modified again Colophonium processing, change the physical features of Colophonium, caking property, response to temperature and durable
Character, it is possible to improve Colophonium extension ability in uniform temperature environment greatly such that it is able to adapt to more weather, and
And, it is possible to make the film thickness of modified asphalt binder be brought up to 28 μm by 5 μm of matrix pitch so that modified
Asphalt binder can form thicker adhesive film in surface of aggregate, improves surface adhesion performance, a certain amount of by adding
Adjuvant can reduce the temperature sensitivity of Colophonium, not only increases Colophonium ability of anti-deformation at high temperature, further improves drip
Blue or green viscoelasticity at low temperatures and ductility, it is to avoid matrix pitch or single rubber and resin modified Colophonium are at low temperature shape
The vitrification brittle failure phenomenon often presented under state.By using modified pitch of the present invention to prepare modified asphalt concrete, it is possible to enter
One step ground improves the combination property of concrete, and comprcssive strength and rupture strength all improve more than 10%, and the salt-resistance of concrete is with anti-
Oozing property is further enhanced, moreover it is possible to hinders the development of inside concrete micro-crack, makes the effect of concrete activeness and quietness.
The invention has the beneficial effects as follows: the gel rubber material that the present invention uses can adsorb the stone sand in mortar, then gel
Network structure can be formed after absorption, each composition can be made to be well combined in the case of less water, reduce isolation, bleeding situation
Occur.By using modified pitch of the present invention to prepare modified asphalt concrete, it is possible to improve the comprehensive of concrete further
Can, comprcssive strength and rupture strength all improve more than 10%, and salt-resistance and the impermeability of concrete are further enhanced, moreover it is possible to
Hinder the development of inside concrete micro-crack, make the effect of concrete activeness and quietness.The present invention adds in concrete formulation
Additive and adjuvant and by adjusting the proportioning of each composition, improve the combination property of concrete, it is possible to meet major part
Building requirements.The concrete resting period of the present invention can extend to more than 2.5 months, greatly improves its accumulating, this
Bright concrete improves 58% than the life-span of concrete, has the most economical and environmentally friendly benefit.
Detailed description of the invention
A kind of modified asphalt concrete, is made up of following component by weight: Binder Materials 35, sand 48, rubble 106,
Modified pitch 18, cocoanut active charcoal 5, slag micropowder 8, shoddy 15, brucite 4, additive 4, adjuvant 1 and suitable quantity of water,
Described Binder Materials is made up of following component by weight: cement 30, clay 10, dihydrate gypsum 4, hydrated calcium silicate are solidifying
Glue 1, alunite 0.5, periclase 0.8, bentonite 3；The preparation method of described Binder Materials is: by cement, clay, two water stone
After cream, hydrated calcium silicate gel, alunite, periclase, bentonite mix homogeneously, add in dehydrated alcohol, be ground 40
Minute, mixture granularity reaches 200-250 mesh, filters, to obtain final product；Described bentonite is through pretreatment: bentonite is first passed through 358
DEG C high-temperature calcination 10 minutes, is subsequently cooled to 182 DEG C, and adding temperature to is in 8-10 DEG C of water, after airtight immersion 20 minutes, and mistake
Filter, dries, to obtain final product；
Described adjuvant is made up of following component by weight: poly carboxylic acid series water reducer 4, triisopropanolamine 10, lignin sulfonic acid
Sodium 5, silane coupler 5, poly-diethylene glycol monolaurate 7, nano-silicon calcium powder 4, hollow glass micropearl 2, stearic acid 0.5, Rhizoma amorphophalli powder
6；The preparation method of described adjuvant is: by poly carboxylic acid series water reducer, triisopropanolamine, sodium lignin sulfonate, silane coupler,
Poly-diethylene glycol monolaurate, nano-silicon calcium powder, hollow glass micropearl, stearic acid, Rhizoma amorphophalli powder add in high mixer, at 1200r/
Under min rotating speed, mix 15 minutes, to obtain final product；
Described additive is made up of following component by weight: glass fibre 7, cotton fiber 3, polyvinyl alcohol 8, epoxy resin
10, nano diatomite 2, potter's clay 3, dibutyl phthalate 0.5, xanthan gum 0.5；The preparation method of described additive is: will
Glass fibre, cotton fiber, polyvinyl alcohol, epoxy resin, nano diatomite, potter's clay, dibutyl phthalate, xanthan gum are by upper
After stating weight portion mixing, at 38 DEG C, use Ultrasonic Pulverization 30 minutes, then, stir 15 minutes with 150r/min speed, to obtain final product；
The particle diameter of described sand is 0.25mm, and the particle diameter of described rubble is 2.5mm；The described ratio of mud is 0.436；
Described modified pitch is made up of following component by weight: 120 parts of bitumen A H-70,12 parts of Oleum Verniciae fordii, 1 part of carboxymethyl fibre
Dimension element, 3 parts of Boraxs, 4 parts of Silica hydrogel, 8 parts of epoxy resin, 2 parts of ceramics, 4 parts of glass dust, 3 parts of epoxy soybean oils, 1 part of cycloalkanes
Acid zinc, 15 parts of modifying agent, 1 part of adjuvant；Described ceramics processes through being blended with glass dust: described ceramics and glass dust warp
Cross be blended process: by ceramics with glass dust after mixing, add in the sodium hydroxide solution that mass concentration is 3.08%,
After soaking 30 minutes at 87 DEG C, filter, washing, after drying, add in the stearic acid solution that mass concentration is 9.6%, 38
At DEG C, after soaking 1 hour, filter, washing, dry,；Described modifying agent is made up of following component by weight: useless
Old polyethylene 10, methyl silicon resin 2, waste and old nitrile rubber 25, waste and old butadiene-styrene rubber 15, Colophonium 4, bamboo charcoal powder 2；Described modifying agent
Preparation method be: by equal to waste polyethylene, methyl silicon resin, waste and old nitrile rubber, waste and old butadiene-styrene rubber, Colophonium, bamboo charcoal powder
Even admixed together, use pulverizer be ground into compound particles, compound particles is added to mass concentration be 6.8% pungent
In diacid solution, it is heated to 62 DEG C, after stirring 30 minutes with 100r/min speed, filters, washing, dry, be then added to quality
Concentration is in the sodium hydroxide solution of 6.8%, is heated to 95 DEG C, after stirring 15 minutes with 120r/min speed, filters, washing, dries
Dry, then it is then added in the boric acid solution that mass concentration is 2.5%, is heated to 42 DEG C, after soaking 10 minutes, add mixing
The calcium sulfate crystal whiskers of grain quality 1%, is heated to 58 DEG C, after stirring 30 minutes with 150r/min speed, naturally cools to room temperature, mistake
Filter, washing, dry,；Described adjuvant is made up of following component by weight: 10 parts of Pulvis Talci, 15 parts of bentonite, 2
Part titanate esters, 8 parts of blanc fixes, 3 parts of expanded perlites, the preparation method of described adjuvant is: by Pulvis Talci, bentonite, weight
After spar powder, expanded perlite uniformly mix, after calcining 35 minutes under 358 DEG C of high temperature, it is quickly cooled to room temperature, then pulverizes
To 200-250 mesh, add titanate esters, stir,；Described epoxy soybean oil processes through being blended with Oleum Verniciae fordii: by epoxy
Soybean oil and Oleum Verniciae fordii add immersion in the maleic acid solution that mass concentration is 5.4% to and then use electron beam irradiation in 30 minutes
45s, filters, and washing places in the dodecylbenzene sodium sulfonate solution that mass concentration is 6.9%, stirs with 150r/min speed
After 15 minutes, filter, washing, be dried,.
A kind of preparation method of modified asphalt concrete, including:
(1) by after sand, rubble, brucite, cocoanut active charcoal, slag micropowder mixing, stir；
(2) mixture adds in (1) gel rubber material and modified pitch, stir；
(3) mixture adds in (2) additive and adjuvant, after stirring, stand 15-20 minute；
(4) add water by ratio of mud mixture in (3) of 0.436, stir 3-4 hour, maintenance under the wet environment of 21 DEG C
10 days, obtain concrete of the present invention.
Performance test to concrete is as follows:
Table 1
Comparative example 1: be made up of following component by weight: Binder Materials 35, sand 48, rubble 106, cocoanut active charcoal 5, slag
Micropowder 8, shoddy 15, brucite 4, modified pitch 18, additive 4, adjuvant 1 and suitable quantity of water；Gel rubber material is only with commonly
Cement, preparation method is identical with the present invention, and the ratio of mud is 0.436；
Comparative example 2: be made up of following component by weight: Binder Materials 35, sand 48, rubble 106, modified pitch 18, coconut husk
Activated carbon 5, slag micropowder 8, shoddy 15, brucite 4, adjuvant 1 and suitable quantity of water；Without additive of the present invention, preparation side
Method is identical with the present invention, and the ratio of mud is 0.436；
Comparative example 3: be made up of following component by weight: Binder Materials 35, sand 48, rubble 106, cocoanut active charcoal 5, slag
Micropowder 8, shoddy 15, brucite 4, modified pitch 18, additive 4, adjuvant 1 and suitable quantity of water；Without adjuvant of the present invention,
Preparation method is identical with the present invention, and the ratio of mud is 0.436；
Comparative example 4: be made up of following component by weight: Binder Materials 35, sand 48, rubble 106, cocoanut active charcoal 5, slag
Micropowder 8, shoddy 15, brucite 4, modified pitch 18, additive 4, adjuvant 1 and suitable quantity of water；Preparation method and phase of the present invention
With, the ratio of mud is 0.5；
Comparative example 5: be made up of following component by weight: Binder Materials 35, sand 48, rubble 106, cocoanut active charcoal 5, slag
Micropowder 8, shoddy 15, brucite 4, bitumen A H-7018, additive 4, adjuvant 1 and suitable quantity of water；Use plain asphalt preparation side
Method is identical with the present invention, and the ratio of mud is 0.436.
As shown in Table 1, do not use gel rubber material prepared by the present invention or without the adjuvant in the present invention and additive,
Very big to the performance impact of concrete, use plain asphalt to prepare bituminous concrete performance and also have substantial degradation, change water ash
Ratio, also can cause strong influence to the performance of concrete.
Claims (2)
1. a modified asphalt concrete, it is characterised in that be made up of following component by weight: Binder Materials 35, sand 48,
Rubble 106, modified pitch 18, cocoanut active charcoal 5, slag micropowder 8, shoddy 15, brucite 4, additive 4, adjuvant 1 and suitable
Amount water,
Described Binder Materials is made up of following component by weight: cement 30, clay 10, dihydrate gypsum 4, hydrated calcium silicate are solidifying
Glue 1, alunite 0.5, periclase 0.8, bentonite 3；The preparation method of described Binder Materials is: by cement, clay, two water stone
After cream, hydrated calcium silicate gel, alunite, periclase, bentonite mix homogeneously, add in dehydrated alcohol, be ground 40
Minute, mixture granularity reaches 200-250 mesh, filters, to obtain final product；Described bentonite is through pretreatment: bentonite is first passed through 358
DEG C high-temperature calcination 10 minutes, is subsequently cooled to 182 DEG C, and adding temperature to is in 8-10 DEG C of water, after airtight immersion 20 minutes, and mistake
Filter, dries, to obtain final product；
Described adjuvant is made up of following component by weight: poly carboxylic acid series water reducer 4, triisopropanolamine 10, lignin sulfonic acid
Sodium 5, silane coupler 5, poly-diethylene glycol monolaurate 7, nano-silicon calcium powder 4, hollow glass micropearl 2, stearic acid 0.5, Rhizoma amorphophalli powder
6；The preparation method of described adjuvant is: by poly carboxylic acid series water reducer, triisopropanolamine, sodium lignin sulfonate, silane coupler,
Poly-diethylene glycol monolaurate, nano-silicon calcium powder, hollow glass micropearl, stearic acid, Rhizoma amorphophalli powder add in high mixer, at 1200r/
Under min rotating speed, mix 15 minutes, to obtain final product；
Described additive is made up of following component by weight: glass fibre 7, cotton fiber 3, polyvinyl alcohol 8, epoxy resin
10, nano diatomite 2, potter's clay 3, dibutyl phthalate 0.5, xanthan gum 0.5；The preparation method of described additive is: will
Glass fibre, cotton fiber, polyvinyl alcohol, epoxy resin, nano diatomite, potter's clay, dibutyl phthalate, xanthan gum are by upper
After stating weight portion mixing, at 38 DEG C, use Ultrasonic Pulverization 30 minutes, then, stir 15 minutes with 150r/min speed, to obtain final product；
The particle diameter of described sand is 0.25mm, and the particle diameter of described rubble is 2.5mm；The described ratio of mud is 0.436；
Described modified pitch is made up of following component by weight: 120 parts of bitumen A H-70,12 parts of Oleum Verniciae fordii, 1 part of carboxymethyl fibre
Dimension element, 3 parts of Boraxs, 4 parts of Silica hydrogel, 8 parts of epoxy resin, 2 parts of ceramics, 4 parts of glass dust, 3 parts of epoxy soybean oils, 1 part of cycloalkanes
Acid zinc, 15 parts of modifying agent, 1 part of adjuvant；Described ceramics processes through being blended with glass dust: described ceramics and glass dust warp
Cross be blended process: by ceramics with glass dust after mixing, add in the sodium hydroxide solution that mass concentration is 3.08%,
After soaking 30 minutes at 87 DEG C, filter, washing, after drying, add in the stearic acid solution that mass concentration is 9.6%, 38
At DEG C, after soaking 1 hour, filter, washing, dry,；Described modifying agent is made up of following component by weight: useless
Old polyethylene 10, methyl silicon resin 2, waste and old nitrile rubber 25, waste and old butadiene-styrene rubber 15, Colophonium 4, bamboo charcoal powder 2；Described modifying agent
Preparation method be: by equal to waste polyethylene, methyl silicon resin, waste and old nitrile rubber, waste and old butadiene-styrene rubber, Colophonium, bamboo charcoal powder
Even admixed together, use pulverizer be ground into compound particles, compound particles is added to mass concentration be 6.8% pungent
In diacid solution, it is heated to 62 DEG C, after stirring 30 minutes with 100r/min speed, filters, washing, dry, be then added to quality
Concentration is in the sodium hydroxide solution of 6.8%, is heated to 95 DEG C, after stirring 15 minutes with 120r/min speed, filters, washing, dries
Dry, then it is then added in the boric acid solution that mass concentration is 2.5%, is heated to 42 DEG C, after soaking 10 minutes, add mixing
The calcium sulfate crystal whiskers of grain quality 1%, is heated to 58 DEG C, after stirring 30 minutes with 150r/min speed, naturally cools to room temperature, mistake
Filter, washing, dry,；Described adjuvant is made up of following component by weight: 10 parts of Pulvis Talci, 15 parts of bentonite, 2
Part titanate esters, 8 parts of blanc fixes, 3 parts of expanded perlites, the preparation method of described adjuvant is: by Pulvis Talci, bentonite, weight
After spar powder, expanded perlite uniformly mix, after calcining 35 minutes under 358 DEG C of high temperature, it is quickly cooled to room temperature, then pulverizes
To 200-250 mesh, add titanate esters, stir,；Described epoxy soybean oil processes through being blended with Oleum Verniciae fordii: by epoxy
Soybean oil and Oleum Verniciae fordii add immersion in the maleic acid solution that mass concentration is 5.4% to and then use electron beam irradiation in 30 minutes
45s, filters, and washing places in the dodecylbenzene sodium sulfonate solution that mass concentration is 6.9%, stirs with 150r/min speed
After 15 minutes, filter, washing, be dried,.
The preparation method of a kind of modified asphalt concrete the most according to claim 1, it is characterised in that including:
(1) by after sand, rubble, brucite, cocoanut active charcoal, slag micropowder mixing, stir；
(2) mixture adds in (1) gel rubber material and modified pitch, stir；
(3) mixture adds in (2) additive and adjuvant, after stirring, stand 15-20 minute；
(4) add water by ratio of mud mixture in (3) of 0.436, stir 3-4 hour, maintenance under the wet environment of 21 DEG C
10 days, obtain concrete of the present invention.
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| CN201610445372.4A CN106082823A (en) | 2016-06-20 | 2016-06-20 | A kind of modified asphalt concrete |
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| CN109721271A (en) * | 2018-12-25 | 2019-05-07 | 武汉优城科技有限公司 | A kind of self-compaction high workability concrete polycarboxylate superplasticizer composition |
| CN111925160A (en) * | 2020-08-12 | 2020-11-13 | 胡昀飞 | High-temperature-resistant anti-cracking concrete and preparation method thereof |
| CN112415038A (en) * | 2020-11-11 | 2021-02-26 | 兰州交通大学 | Method for testing ice content of negative temperature curing concrete |
| CN112624663A (en) * | 2020-12-21 | 2021-04-09 | 河南涵宇特种建筑材料有限公司 | Production method of novel concrete waterproof additive |
| CN112962380A (en) * | 2021-02-19 | 2021-06-15 | 中交第二公路工程局有限公司 | Construction method of asphalt pavement |
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