CN106517892B - The pre- highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type and its preparation method of being demulsified - Google Patents
The pre- highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type and its preparation method of being demulsified Download PDFInfo
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- CN106517892B CN106517892B CN201610914039.3A CN201610914039A CN106517892B CN 106517892 B CN106517892 B CN 106517892B CN 201610914039 A CN201610914039 A CN 201610914039A CN 106517892 B CN106517892 B CN 106517892B
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, 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
- C04B2111/00474—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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention relates to the highly concentrated modified emulsifying asphalt thick slurry material of pre- demulsification microwave medium temperature induction type and its preparation methods, pass through tetra-alkyl ammonium hydroxide salt, two kinds of amide groups amine splits solidifying type cationic emulsifier and polyethylene glycol fastly slowly, two kinds of nonionic emulsifier composite emulsifiers of polyalcohol, with di-iron trioxide modified polyester resin latex, warm-mixing agent, modified latex, 80 DEG C of water, 140 DEG C of matrix pitches, the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type is produced by mulser or colloid mill, using gathering materials as miberal powder less than 0.075mm partial size, screening is required to gather materials according to quality proportioning, to gather materials as what the highly concentrated modified emulsifying asphalt thick slurry material of mixing microwave medium temperature induction type used gathering materials of screening out, mix is put into microwave heating box and is heated.The present invention not only guarantees that live cold mixing is convenient using the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type, and can ensure that hot-laid mixture performance requirement is fully achieved in Asphalt Mixture.
Description
Technical field
The present invention relates to a kind of asphalt materials for asphalt pavement repairing maintenance, and in particular to a kind of to be demulsified in microwave in advance
The highly concentrated modified emulsifying asphalt thick slurry material of warm induction type and its preparation method.
Background technique
For the asphalt pavements such as each standard highway, urban road, concrete bridge bridge floor, tunnel Covered face of Smooth Slide, airfield pavement, water damage
Bad is a kind of more typical disease form, mainly in construction due to mixture temperature isolation, the isolation that gathers materials, compacting are insufficient
It locally seeps water in caused paving.In addition, when thering is vehicular load to pass through powerful flowing pressure will wash away repeatedly asphalt and
Semi-rigid type base surface first occurs purt and starches phenomenon, will then be further developed into as pit slot.
Currently, mainly having in three for the maintenance mode of this common pit slot disease: first, using cut-back asphalt class,
The emergency repairing of emulsified asphalt class cold-repairing material, the punishment but this mode can only meet an urgent need, etc. pit slots save bit by bit more, then unified to mill
Plane or fluting, carry out concentration repairing with heat mixture；Second, it slotted, vulcanized using heat mixture, but this mode is often
It is limited by material source.In fact, the material quantity very little of single or a small amount of pit slot, the deep, 1m according to 4cm2Pit slot calculates materials only
For 100kg, and for Highway Maintenance, owner often requires that repair as early as possible as long as there is a pit slot, then, it is right
This one small material quantity is difficult to meet for contractor.Since for one such as 3000 type large size mixing stations, one pot
Expect at least 3000kg, and can not be switched on one pot of a mix, so only large size mixing station in periphery is spread for large area pitch
It is in passing maintenance contractor's mix heat mixture a bit when filling layer construction feed.Resulting in pit slot in this way cannot repair in time,
There is the pit repairing of storage type.Even if a large amount of heat mixture has been bought in advance by some contractors, due to the same day is difficult to be finished
Stock ground is largely agglomerated, and before the repairing of upper road, is expended the artificial to dig material, entrucking of half, is otherwise difficult to be utilized and heats vehicle progress
Heating, can at most reduce by 50% or more construction efficiency, this pit repairing high for original construction cost more cannot be timely.
Third is repaired using the compound organic hydraulic material of MOH, but because MOH material uses traditional emulsified asphalt, is ground
Only carry out bleed, condensation, molding by natural conditions after pressure, need to undergo 3-4 hour could open to traffic, this is for pitch paving
For the routine maintenance in face, owner is difficult to receive.
Summary of the invention
The object of the present invention is to provide a kind of pre- highly concentrated modified emulsifying asphalt thick slurry material of demulsification microwave medium temperature induction type and its
Preparation method can either guarantee that contractor can prepare pre- demulsification mixture by the way of cold mixing at the scene, and pass through microwave
The performance requirement for reaching heated bitumen concrete after heater box heating can also allow owner to realize the i.e. existing purpose mended of pit slot.
The technical scheme adopted by the invention is as follows:
The pre- demulsification highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type, it is characterised in that:
It is prepared by the component of following mass parts:
Gather materials 100 parts；
4~8 parts of miberal powder；
9~10 parts of the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type；
1.5~4.5 parts of water.
Gather materials the mass fraction including following component and each component are as follows:
13.2mm partial size gathers materials 0~5 part；
>=9.5mm partial size gathers materials 15~22 parts；
>=4.75mm partial size gathers materials 17~30 parts；
>=2.36mm partial size gathers materials 14~16 parts；
>=1.18mm partial size gathers materials 9~12 parts；
>=0.6mm partial size gathers materials 5~10 parts；
>=0.3mm partial size gathers materials 3~8 parts；
>=0.15mm partial size gathers materials 2~5 parts；
>=0.075mm partial size gathers materials 1~7 part.
Miberal powder is rolled by limestone mineral aggregate, meets following technical requirements:
Apparent density ≮ 2.4g/cm3
Water content ≯ 1%
Hydrophilic coefficient < 1
Plasticity index < 4%.
The highly concentrated modified emulsifying asphalt of microwave medium temperature induction type is prepared by the component of following mass parts:
100 parts of matrix pitch；
10~20 parts of di-iron trioxide modified polyester resin latex；
1~4 part of modified latex；
1~5 part of warm-mixing agent；
1~3 part of emulsifier；
28~32 parts of water.
Di-iron trioxide modified polyester resin latex is the latex that di-iron trioxide is modified polyester resin.
Modified latex is styrene butadiene rubber sbr and the composite modified latex of Styrene-Butadiene-Styrene Block Copolymer, Gu
Content is not less than 45%；
Warm-mixing agent is polyolefins asphalt modifier, meets following technical requirements:
Density 0.9g/cm3；
Solubility=0；
90 DEG C of fusing point >；
285 DEG C of flash-point >；
Molecular weight ≮ 1000g/mol；
pH=7；
Emulsifier is cationic/nonionic emulsifier compound emulsifying agent, by tetra-alkyl ammonium hydroxide salt, amide groups amine two
Kind splits fastly fastly coagulates type cationic emulsifier and compounds with two kinds of polyethylene glycol, polyalcohol nonionic emulsifiers, four kinds of emulsifiers
Mixing mass ratio be 1:1:0.5:0.2.
The preparation method of the pre- demulsification highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type, it is characterised in that:
(1) it prepares cationic/nonionic emulsifier compound emulsifying agent: passing through tetra-alkyl ammonium hydroxide salt, amide groups amine
Two kinds split solidifying type cationic emulsifier fastly slowly and compound with two kinds of polyethylene glycol, polyalcohol nonionic emulsifiers；
(2) cationic/nonionic emulsifier compound emulsifying agent, the di-iron trioxide modified polyester resin by being prepared in (1)
Latex, warm-mixing agent, modified latex, 80 DEG C of water, 140 DEG C of matrix pitches produce the induction of microwave medium temperature by mulser or colloid mill
The highly concentrated modified emulsifying asphalt of type；
(3) using gathering materials as miberal powder less than 0.075mm partial size, screening is required to gather materials according to quality proportioning, to screen out
Gather materials and gather materials as what the highly concentrated modified emulsifying asphalt thick slurry material of mixing microwave medium temperature induction type used；
(4) load weighted external adding water was added in load weighted gather materials, stirring at normal temperature to surface of aggregate soaks；
(5) the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type produced in (2) was poured into gathering materials in (3), mix
To brown is shown slightly after 100 seconds, i.e., being just demulsified can take the dish out of the pot；
(6) the pre- highly concentrated modified emulsifying asphalt thick slurry material of demulsification microwave medium temperature induction type of mixing in (5) microwave is put into add
Heating 5min is carried out in hot tank.
The invention has the following advantages that
The highly concentrated modified emulsifying asphalt thick slurry material of pre- demulsification microwave medium temperature induction type provided by the invention and its preparation method, are adopted
With to the microwave induced more sensitive highly concentrated modified emulsifying asphalt of microwave medium temperature induction type, then scene carries out mix with mineral aggregate,
It is mainly used for the repairing of the asphalt pavements local damages such as each standard highway road surface, concrete bridge asphalt pavement, tunnel Covered face of Smooth Slide, airfield pavement
In, including the punishment and maintenance to pit slot, purt slurry, check crack, the disease that is cracked, fully achieve the road property of hot-mixed asphaltic concrete
It can require, can be not required to reequip directly using the vehicle-mounted mixing device for capableing of stirring and emulsifying pitch and mineral aggregate；It is directly over after mix
Microwave heating box is heated, and the performance requirement of heated bitumen concrete can be reached, and is had the convenient, hot of Cold-mix and is mixed drip
The pavement performance of green mixture.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
The pre- highly concentrated modified emulsifying asphalt thick slurry material of demulsification microwave medium temperature induction type of the present invention, by following mass parts
Component is prepared:
Gather materials 100 parts；
4~8 parts of miberal powder；
9~10 parts of the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type；
1.5~4.5 parts of water.
In said components:
Gather materials the mass fraction including following component and each component are as follows:
13.2mm partial size gathers materials 0~5 part；
>=9.5mm partial size gathers materials 15~22 parts；
>=4.75mm partial size gathers materials 17~30 parts；
>=2.36mm partial size gathers materials 14~16 parts；
>=1.18mm partial size gathers materials 9~12 parts；
>=0.6mm partial size gathers materials 5~10 parts；
>=0.3mm partial size gathers materials 3~8 parts；
>=0.15mm partial size gathers materials 2~5 parts；
>=0.075mm partial size gathers materials 1~7 part.
Miberal powder is rolled by limestone mineral aggregate, meets following technical requirements:
Apparent density ≮ 2.4g/cm3
Water content ≯ 1%
Hydrophilic coefficient < 1
Plasticity index < 4%.
The highly concentrated modified emulsifying asphalt of microwave medium temperature induction type is prepared by the component of following mass parts:
100 parts of matrix pitch；
10~20 parts of di-iron trioxide modified polyester resin latex；
1~4 part of modified latex；
1~5 part of warm-mixing agent；
1~3 part of emulsifier；
28~32 parts of water.
Wherein:
Di-iron trioxide modified polyester resin latex is the latex that di-iron trioxide is modified polyester resin, to microwave
It is very sensitive between 110~130 DEG C；
Modified latex is styrene butadiene rubber sbr and the composite modified latex of Styrene-Butadiene-Styrene Block Copolymer, Gu
Content is not less than 45%；
Warm-mixing agent uses Sasobbit, is polyolefins asphalt modifier, meets following technical requirements:
Density 0.9g/cm3；
Solubility=0；
90 DEG C of fusing point >；
285 DEG C of flash-point >；
Molecular weight ≮ 1000g/mol；
pH=7；
Emulsifier is cationic/nonionic emulsifier compound emulsifying agent, by tetra-alkyl ammonium hydroxide salt, amide groups amine two
Kind splits fastly fastly coagulates type cationic emulsifier and compounds with two kinds of polyethylene glycol, polyalcohol nonionic emulsifiers, four kinds of emulsifiers
Mixing mass ratio be 1:1:0.5:0.2.
The preparation method of the above-mentioned pre- demulsification highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type, in traditional cold mixing
Heat by microwave heating box afterwards it is fast solidifying, discrete dose of warm mix, to gather materials, test mixture equipment and mix equipment not
It need to be changed.Specifically includes the following steps:
(1) it prepares cationic/nonionic emulsifier compound emulsifying agent: passing through tetra-alkyl ammonium hydroxide salt, amide groups amine
Two kinds split solidifying type cationic emulsifier fastly slowly and compound with two kinds of polyethylene glycol, polyalcohol nonionic emulsifiers；
(2) cationic/nonionic emulsifier compound emulsifying agent, the di-iron trioxide modified polyester resin by being prepared in (1)
Latex, warm-mixing agent, modified latex, 80 DEG C of water, 140 DEG C of matrix pitches produce the induction of microwave medium temperature by mulser or colloid mill
The highly concentrated modified emulsifying asphalt of type；
(3) using gathering materials as miberal powder less than 0.075mm partial size, screening is required to gather materials according to quality proportioning, to screen out
Gather materials and gather materials as what the highly concentrated modified emulsifying asphalt thick slurry material of mixing microwave medium temperature induction type used；
Through actual screening of gathering materials, the above-mentioned quality proportioning gathered materials requires can be with Approximate Equivalent for screening below requirement:
The percent of pass of 16mm sieve pore be 100%, 13.2mm sieve pore percent of pass be 90~100%, 9.5mm sieve pore percent of pass be 68~
The percent of pass of 85%, 4.75mm sieve pore is that the percent of pass of 38~68%, 2.36mm sieve pore is passing through for 24~50%, 1.18mm sieve pore
It is the percent of pass of 10~28%, 0.3mm sieve pore is 7~20%, 0.15mm sieve pore that rate, which is the percent of pass of 15~38%, 0.6mm sieve pore,
Percent of pass is that the percent of pass of 5~15%, 0.075mm sieve pore is 4 ~ 8；
(4) load weighted external adding water was added in load weighted gather materials, stirring at normal temperature to surface of aggregate soaks；
(5) the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type produced in (2) was poured into gathering materials in (3), mix
To brown is shown slightly after 100 seconds, i.e., being just demulsified can take the dish out of the pot；
(6) the pre- highly concentrated modified emulsifying asphalt thick slurry material of demulsification microwave medium temperature induction type of mixing in (5) microwave is put into add
Heating 5min is carried out in hot tank.
Mixture after (6) heating is poured into Marshall die trial, and hit for two-sided 75 times using marshall compaction instrument
Real molding standard marshal piece；Marshall stability, flow valuve, the voidage, void in mineral aggregate of marshal piece are detected, thus
It can determine asphalt optimum content.
Gathering materials in the pre- demulsification highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type selects basalt, certainly, lacks
Weary basalt and have sufficient diabase etc. diabase also may be selected in area, required according to the quality proportioning of step (3), according to table 1
Just quasi- aggregate grading.
The pre- demulsification highly concentrated modified emulsifying asphalt thick slurry material gradation of microwave medium temperature induction type of table 1
In table 1, each embodiment of aggregate grading, is sieved, the result of screening is such as using percent of pass when gradation design
Shown in table 2.
The percent of pass (%) to gather materials in the different embodiments of table 2
From the point of view of the comparison of above-mentioned table 1 and table 2, it can be sieved through rate by what is gathered materials and estimate the quality proportioning gathered materials.
Setting after the demulsification highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type passes through microwave heating, rolls making in advance
Counting voidage is 5%, according to step (3), the quality proportioning of (4) requirement, according in the pre- demulsification microwave of quality proportioning preparation of table 3
Test specimen after the warm highly concentrated modified emulsifying asphalt thick slurry material heated by microwave of induction type, then examines the technical performance of test specimen
It surveys, evaluation, the results are shown in Table 3.
The highly concentrated modified emulsifying asphalt thick slurry material each component of demulsification microwave medium temperature induction type matches table 3 in advance
Gather materials used in each embodiment in table 3 corresponding with the embodiment in table 2.
The 4 long temperature storage of hot discrete type of table mixes dense-graded asphalt concrete test specimen technical performance
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (3)
1. the demulsification highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type in advance, it is characterised in that:
It is prepared by the component of following mass parts:
Gather materials 100 parts；
4~8 parts of miberal powder；
9~10 parts of the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type；
1.5~4.5 parts of water；
Gather materials the mass fraction including following component and each component are as follows:
13.2mm partial size gathers materials 0~5 part；
Partial size is more than or equal to 9.5mm and gathering materials 15~22 parts less than 13.2mm；
Partial size is more than or equal to 4.75mm and gathering materials 17~30 parts less than 9.5mm；
Partial size is more than or equal to 2.36mm and gathering materials 14~16 parts less than 4.75mm；
Partial size is more than or equal to 1.18mm and gathering materials 9~12 parts less than 2.36mm；
Partial size is more than or equal to 0.6mm and gathering materials 5~10 parts less than 1.18mm；
Partial size is more than or equal to 0.3mm and gathering materials 3~8 parts less than 0.6mm；
Partial size is more than or equal to 0.15mm and gathering materials 2~5 parts less than 0.3mm；
Partial size is more than or equal to 0.075mm and gathering materials 1~7 part less than 0.15mm；
Miberal powder is rolled by limestone mineral aggregate, meets following technical requirements:
Apparent density ≮ 2.4g/cm3
Water content ≯ 1%
Hydrophilic coefficient < 1
Plasticity index < 4%；
The highly concentrated modified emulsifying asphalt of microwave medium temperature induction type is prepared by the component of following mass parts:
100 parts of matrix pitch；
10~20 parts of di-iron trioxide modified polyester resin latex；
1~4 part of modified latex；
1~5 part of warm-mixing agent；
1~3 part of emulsifier；
28~32 parts of water.
2. the pre- highly concentrated modified emulsifying asphalt thick slurry material of demulsification microwave medium temperature induction type according to claim 1, feature exist
In:
Di-iron trioxide modified polyester resin latex is the latex that di-iron trioxide is modified polyester resin；
Modified latex is styrene butadiene rubber sbr and the composite modified latex of Styrene-Butadiene-Styrene Block Copolymer, solid content
Not less than 45%；
Warm-mixing agent is polyolefins asphalt modifier, meets following technical requirements:
Density 0.9g/cm3；
Solubility=0；
90 DEG C of fusing point >；
285 DEG C of flash-point >；
Molecular weight ≮ 1000g/mol；
pH=7；
Emulsifier is cationic/nonionic emulsifier compound emulsifying agent, fastly by tetra-alkyl ammonium hydroxide salt, two kinds of amide groups amine
It splits solidifying type cationic emulsifier fastly to compound with two kinds of polyethylene glycol, polyalcohol nonionic emulsifiers, four kinds of emulsifiers mix
Conjunction mass ratio is 1:1:0.5:0.2.
3. the preparation method of the demulsification highly concentrated modified emulsifying asphalt thick slurry material of microwave medium temperature induction type in advance, it is characterised in that:
(1) it prepares cationic/nonionic emulsifier compound emulsifying agent: passing through two kinds of tetra-alkyl ammonium hydroxide salt, amide groups amine
Slowly solidifying type cationic emulsifier fastly is split to compound with two kinds of polyethylene glycol, polyalcohol nonionic emulsifiers；
(2) by prepare in (1) cationic/nonionic emulsifier compound emulsifying agent, di-iron trioxide modified polyester resin latex,
It is highly concentrated to produce microwave medium temperature induction type by mulser or colloid mill for warm-mixing agent, modified latex, 80 DEG C of water, 140 DEG C of matrix pitches
Modified emulsifying asphalt；
(3) using gathering materials as miberal powder less than 0.075mm partial size, screening is required to gather materials according to following quality proportioning, to screen out
Gather materials and gather materials as what the highly concentrated modified emulsifying asphalt thick slurry material of mixing microwave medium temperature induction type used；
Gather materials the mass fraction including following component and each component are as follows:
13.2mm partial size gathers materials 0~5 part；
Partial size is more than or equal to 9.5mm and gathering materials 15~22 parts less than 13.2mm；
Partial size is more than or equal to 4.75mm and gathering materials 17~30 parts less than 9.5mm；
Partial size is more than or equal to 2.36mm and gathering materials 14~16 parts less than 4.75mm；
Partial size is more than or equal to 1.18mm and gathering materials 9~12 parts less than 2.36mm；
Partial size is more than or equal to 0.6mm and gathering materials 5~10 parts less than 1.18mm；
Partial size is more than or equal to 0.3mm and gathering materials 3~8 parts less than 0.6mm；
Partial size is more than or equal to 0.15mm and gathering materials 2~5 parts less than 0.3mm；
Partial size is more than or equal to 0.075mm and gathering materials 1~7 part less than 0.15mm；
(4) load weighted external adding water was added in load weighted gather materials, stirring at normal temperature to surface of aggregate soaks；
(5) the highly concentrated modified emulsifying asphalt of microwave medium temperature induction type produced in (2) was poured into gathering materials in (4), mix 100 seconds
Afterwards to brown is shown slightly, i.e., being just demulsified can take the dish out of the pot；
(6) the pre- highly concentrated modified emulsifying asphalt thick slurry material of demulsification microwave medium temperature induction type of mixing in (5) is put into microwave heating box
In carry out heating 5min.
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| CN101982438A (en) * | 2010-09-30 | 2011-03-02 | 上海龙孚实业发展有限公司 | Warm-mixed styrene butadiene rubber modified bituminous mixture applicable to cold areas and preparation method thereof |
| CN102295445A (en) * | 2011-06-03 | 2011-12-28 | 长安大学 | Microwave heated and cured emulsified asphalt concrete material and preparation method thereof |
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