CN108484017A - Hgh-performance emulsified asphalt and preparation method thereof for cold mixing cold-application - Google Patents
Hgh-performance emulsified asphalt and preparation method thereof for cold mixing cold-application Download PDFInfo
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- CN108484017A CN108484017A CN201810588114.0A CN201810588114A CN108484017A CN 108484017 A CN108484017 A CN 108484017A CN 201810588114 A CN201810588114 A CN 201810588114A CN 108484017 A CN108484017 A CN 108484017A
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- hgh
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Classifications
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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
-
- 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
Abstract
The invention discloses a kind of hgh-performance emulsified asphalts for cold mixing cold-application, include each component of following parts by weight:80 100 parts of graded broken stone;68 parts of hgh-performance emulsified pitch;1 1.5 parts of cement;01 parts of miberal powder;0.3 0.7 parts of water-reducing agent;45 parts of water;Wherein, the hgh-performance emulsified pitch includes each component of following parts by weight:600 700 parts of matrix pitch;20 40 parts of emulsifier;30 40 parts of latex;36 parts of PH conditioning agents;260 350 parts of water.Hgh-performance emulsified asphalt ingredient provided by the invention is simple and easy to get, gather materials and uses the 20 new aggregates of grading fourth gear of AC, the hgh-performance emulsified pitch preparation process of component is simple, and have many advantages, such as preferable bin stability, can cold conditions construction, good construction workability, with mineral aggregate adhesiveness it is good, extend construction seasons, construction by weather influenced it is small, energy saving, reduce environmental pollution.
Description
Technical field
The present invention relates to road maintenance field of engineering technology, and in particular to a kind of hgh-performance emulsified drip for cold mixing cold-application
Green mixture and preparation method thereof.
Background technology
With the rapid development of social economy, people increasingly pay close attention to environmental issue, using " "four news" (new ideas " technology in highway
It is played a crucial role in maintenance project, cold mixing cold laid asphaltic mixture technology is also continuing to introduce new.With it is traditional
Heat is mixed and Warm-Mix Bitumen Mixture is compared, and cold mixing cold-application mixture only need to be mixed and stirred and be constructed at normal temperatures, reduces energy
Source consumes and toxic gas discharge, becomes the hot spot studied in road maintenance engineering afterwards.Cold mixing cold laid asphaltic mixture
Mainly there are two kinds of an emulsifying and solvent type, key technical problem is that wrap up in attached property, construction workability and the road of pitch and mineral aggregate are used
Performance.Currently, cold mixing cold laid asphaltic mixture is mainly used in rural road pavement repairing, and it is larger to application
Cutting optimal research lacks approval also in the desk study stage in the arterial highway of the emulsifying that paves cold mixing cold laid asphaltic mixture
Spend higher codes and standards, there is an urgent need for carrying out correlative study, therefore develop a kind of hgh-performance emulsified pitch cold mixing cold-application mixture at
For inevitable trend.
Modified emulsifying asphalt solid content domestic at present is generally all 50%~60%, this modified milk compared with low-solid content
Changing pitch has mobility big, and the undesirable defect of stability causes construction stage lotion to be trickled, and moisture largely evaporates, generate compared with
Big hole, not only causes the waste of material, but also influences its pavement performance.Developing a kind of hgh-performance emulsified asphalt
It should focus on solving following practical problem in the process:
(1) Emulsified Asphalt Mixture is wanted to mix and stir and reduce environmental pollution suitable for room temperature;
(2) Emulsified Asphalt Mixture want can to ensure production, transport, pave when be not demulsified, do not cure;
(3) product price wants low, and the price that heat mixes heat paving is generally not to be exceeded.
But for current domestic present situation, emulsified asphalt product is more in the market, is broken during the use of mixture
The problem of newborn speed, early strength etc., is also more prominent.Therefore, it in the case where construction task is big, maintenance work is heavy, opens
It sends out hgh-performance emulsified pitch a kind of, makes up the deficiency of the hgh-performance emulsified asphalt material of cold mixing cold laid asphaltic mixture, and further
The content of system perfecting cold mixing cold laid asphaltic mix proportion design, room temperature mix construction technology etc., for Jiangsu Province
Or even national arterial highway construction and maintenance work suffer from highly important economic, society, ecological, environmental protective benefit.
In view of defect existing for above-mentioned existing emulsified asphalt, the present inventor is more based on such product design manufacture is engaged in
Year abundant practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, is used for found one kind
Hgh-performance emulsified asphalt of cold mixing cold-application and preparation method thereof makes it have more practicability.By constantly studying, setting
Meter, and after studying sample repeatedly and improving, the present invention having practical value is created finally.
Invention content
It is a primary object of the present invention to, overcome defect existing for existing emulsified asphalt, and provide a kind of for cold mixing
Hgh-performance emulsified asphalt of cold-application and preparation method thereof, thus more suitable for practicality, and with the exploitation value in industry
Value.
The object of the invention to solve the technical problems is realized using following technical scheme.
For the hgh-performance emulsified asphalt of cold mixing cold-application, include each component of following parts by weight:
Wherein, the hgh-performance emulsified pitch includes each component of following parts by weight:
As a kind of perferred technical scheme, include each component of following parts by weight:
As a kind of perferred technical scheme, the hgh-performance emulsified pitch includes each component of following parts by weight:
As a kind of perferred technical scheme, the graded broken stone newly gathers materials for limestone, including 1# material, 2# expect, 3# expects,
4# expects fourth gear material, wherein 1# material grain sizes are 10~20mm, 2# material grain size is 5~15mm, the 3# material grain size is 3~
5mm, the 4# material grain size is 0~3mm, and the 1# material, the 2# expect, the 3# expects, the mass percent difference of 4# material
It is 20~30%, 30~35%, 5~10%, 30~40%.
As a kind of perferred technical scheme, the emulsifier is Tension of Lignin Quaternary Ammonium Salt.
As a kind of perferred technical scheme, the PH conditioning agents are the concentrated sulfuric acid.
The preparation method of hgh-performance emulsified asphalt for cold mixing cold-application, includes the following steps:
Step 1 weighs each component by the parts by weight;
The preparation of step 2, soap lye:The emulsifier is weighed by the parts by weight, and the latex, institute are added wherein
Water is stated, is stirred evenly, and the adjusting that the concentrated sulfuric acid carries out PH is added;
Step 3, the heating matrix pitch;
Step 4 pours into the soap lye that step 2 obtains in colloid mill, starts colloid mill, and control the soap lye temperature
Between 50-60 DEG C;
The matrix pitch obtained by the step 3 is ground by step 5, obtains the hgh-performance emulsified drip
It is green;
Step 6 presses the hgh-performance emulsified pitch, the graded broken stone, the cement, the water-reducing agent and the water
It is mixed evenly to get high performance asphalt according to the parts by weight.
As a kind of perferred technical scheme, in the preparation of soap lye described in the step 2, the water is 60 DEG C of heat
Water, and the soap lye obtained is placed in 60-70 DEG C of hot water and stores 1-2h.
As a kind of perferred technical scheme, the heating temperature of the step 3 mesostroma pitch is 138-142 DEG C.
As a kind of perferred technical scheme, the matrix pitch that the step 5 obtains the process step 3 is along the glue
The barrel of body mill pours into 60s in hopper, after grinding 30s, opens valve to 45 ° of positions, is inverted in clean bottle, i.e.,
Obtain hgh-performance emulsified pitch.
Using above-mentioned technical proposal, following technique effect can be realized:
1), hgh-performance emulsified asphalt ingredient provided by the invention is simple and easy to get, gathers materials using AC-20 grading fourth gear
New aggregate, the hgh-performance emulsified pitch preparation process of component is simple, and with preferable bin stability, can cold conditions construction, good
Construction workability, with mineral aggregate adhesiveness it is good, extend construction seasons, construction and influenced by weather that small, energy saving, to reduce environment dirty
The advantages that dye;
2), hgh-performance emulsified pitch cold mixing cold-application mixture provided by the invention is improved for cutting optimal in arterial highway
The high-temperature stability of bituminous paving, low-temperature cracking-resistance and water stability, meet resource-conserving and environmentally friendly green
Highway construction theory;
3) after, hgh-performance emulsified pitch provided by the invention heats and softens matrix pitch, in the mechanical masterpiece of colloid mill
Under, pitch is made to be scattered in the aqueous solution containing emulsifier with fine particles state, forms metastable lotion and emulsify
Pitch, directly pitch, which is distributed in water, will overcome huge interfacial tension to act on, and asphalt emulsifier is with reduction water
Surface tension ability makes pitch have the function that emulsification with less energy and improve the surfactant of stability of emulsion;
4), the cohesive force of hgh-performance emulsified asphalt provided by the invention mainly by between pitch cohesive strength and drip
The green adhesion strength with mineral aggregate forms, and after Cold-mix rolls demulsification, cohesive strength constantly enhances, and in later stage health
Cohesive force is still increasing.
Specific implementation mode
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, to according to this
Invent the hgh-performance emulsified asphalt for cold mixing cold-application and preparation method thereof its specific implementation mode proposed, feature and
Its effect is described in detail as after.
The invention discloses a kind of hgh-performance emulsified asphalt for cold mixing cold-application, including following parts by weight
Each component:
Wherein, hgh-performance emulsified pitch includes each component of following parts by weight:
As a kind of perferred technical scheme, include each component of following parts by weight:
As a kind of perferred technical scheme, hgh-performance emulsified pitch includes each component of following parts by weight:
As a kind of perferred technical scheme, graded broken stone is that limestone newly gathers materials, including 1# material, 2# material, 3# material, 4# expect
Fourth gear material, wherein 1# expect that grain size is 10~20mm, and 2# expects that grain size is 5~15mm, and 3# expects that grain size is 3~5mm, and 4# expects that grain size is 0
~3mm, 1# material, 2# material, 3# material, 4# material mass percent be respectively 20~30%, 30~35%, 5~10%, 30~
40%.
As a kind of perferred technical scheme, emulsifier is Tension of Lignin Quaternary Ammonium Salt.
As a kind of perferred technical scheme, PH conditioning agents are the concentrated sulfuric acid.
The invention also discloses a kind of preparation methods of the hgh-performance emulsified asphalt for cold mixing cold-application, including such as
Lower step:
Step 1 weighs each component in parts by weight;
The preparation of step 2, soap lye:Emulsifier is weighed in parts by weight, and latex, water are added wherein, is stirred evenly, and
The adjusting that the concentrated sulfuric acid carries out PH is added;
Step 3, heated substrate pitch;
Step 4 pours into the soap lye that step 2 obtains in colloid mill, starts colloid mill, and control soap lye temperature in 50-60
Between DEG C;
The matrix pitch obtained by step 3 is ground by step 5, obtains hgh-performance emulsified pitch;
Hgh-performance emulsified pitch, graded broken stone, cement, water-reducing agent and water are mixed step 6 according to parts by weight
It is even to get high performance asphalt.
As a kind of perferred technical scheme, in step 2 in the preparation of soap lye, water is 60 DEG C of hot water, and will be obtained
Soap lye is placed in 60-70 DEG C of hot water and stores 1-2h.
As a kind of perferred technical scheme, the heating temperature of step 3 mesostroma pitch is 138-142 DEG C.
As a kind of perferred technical scheme, step 5 exists the matrix pitch obtained by step 3 along the barrel of colloid mill
It is poured into hopper in 60s, after grinding 30s, opens valve to 45 ° of positions, be inverted in clean bottle to get high-performance pitch
Mixture.
Further, the water-reducing agent is CQJ-JSS type powder high efficient water-reducing agents, and the cement is C42.5 ordinary silicons
Acid salt cement.
In order to further illustrate the present invention, with reference to specific embodiment to the height provided by the present invention for cold mixing cold-application
Performance Emulsified Asphalt Mixture and preparation method thereof is described in detail, but should not be construed as to the scope of the present invention
Restriction.
Embodiment 1
Step 1 weighs each component, including 100 parts of graded broken stone (parts by weight, similarly hereinafter);Hgh-performance emulsified pitch 6.8
Part;1 part of cement;0.5 part of miberal powder;0.5 part of water-reducing agent;4.6 parts of water;
In addition, hgh-performance emulsified pitch includes each component of following parts by weight:650 parts of matrix pitch;30 parts of emulsifier;
35 parts of latex;5 parts of the concentrated sulfuric acid;350 parts of water.
Wherein, the dosage of each shelves material of graded broken stone be respectively 1# material, 2# material, 3# material, 4# expect=30 parts, 33.5 parts, 8 parts,
27 parts.
Step 2, soap lye is prepared
Emulsifier, latex are sequentially added, hot water is first added into beaker to 290 parts, then instill concentrated hydrochloric acid, stirred evenly,
PH value 2~4 is measured, continues to heat water to 350 parts, stirs.
Step 3, matrix pitch heats
With electrothermal furnace heated substrate pitch to 140 DEG C.
Step 4, soap lye temperature controls
Soap lye is poured into colloid mill, colloid mill is started, measures soap lye temperature with warm rifle, and soap lye temperature is controlled 50
Between~60 DEG C.
Step 5, grinding stirring
Matrix pitch is poured into 60s in hopper along the barrel of colloid mill, stirring rod is used in combination quickly to stir, is ground
After 30s, valve is opened to 45 ° of positions, is inverted in clean bottle up to hgh-performance emulsified asphaltic products.
Step 6, prepared by hgh-performance emulsified asphalt
Hgh-performance emulsified pitch, graded broken stone, cement, water-reducing agent and water are stirred evenly according to design mixture proportion up to high
Performance Emulsified Asphalt Mixture.
Performance detection:Marshall Test
The asphalt mixed and stirred is hit 50 times in fact using two-sided, health 4 days, two-sided after health to hit at a temperature of 90 DEG C
Real 25 times, the preferred embodiment of room temperature health 1 day, demoulding is molding marshal piece, and surveys the voidage of marshal piece and steady
Fixed degree, test result is as shown in table 1, and wherein test specimen 1-6 is all made of the above proportioning component.
1 Marshall Test result of table
Test specimen is numbered | Voidage (%) | Stability (kN) |
1# | 5.1 | 8.2 |
2# | 5.2 | 9.3 |
3# | 5.8 | 9.0 |
4# | 5.1 | 8.7 |
5# | 5.7 | 8.9 |
6# | 6.0 | 8.6 |
Average value | 5.5 | 8.8 |
Hgh-performance emulsified asphalt prepared by embodiment 1 measures pitch mixing according to the above Marshall method
The voidage of material is 3~6%, and Marshall stability is more than 8kN, reaches the technical requirement of hot-mix asphalt mixture, and road
With better performances, it is applied to arterial highway Experiment Road making, testing result reaches associated specifications, therefore, high-performance breast
Changing pitch cold mixing cold-application mixture has wide popularizing application prospect.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the technical essence of the invention
To any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.
Claims (10)
1. the hgh-performance emulsified asphalt for cold mixing cold-application, which is characterized in that include each component of following parts by weight:
80-100 parts of graded broken stone;
Hgh-performance emulsified pitch 6-8 parts;
1-1.5 parts of cement;
0-1 parts of miberal powder;
0.3-0.7 parts of water-reducing agent;
4-5 parts of water;
Wherein, the hgh-performance emulsified pitch includes each component of following parts by weight:
600-700 parts of matrix pitch;
20-40 parts of emulsifier;
30-40 parts of latex;
3-6 parts of PH conditioning agents;
260-350 parts of water.
2. the hgh-performance emulsified asphalt according to claim 1 for cold mixing cold-application, which is characterized in that including such as
The each component of lower parts by weight:
100 parts of graded broken stone
6.8 parts of hgh-performance emulsified pitch
1 part of cement
0.5 part of miberal powder
0.5 part of water-reducing agent
4.6 parts of water.
3. the hgh-performance emulsified asphalt according to claim 1 for cold mixing cold-application, which is characterized in that the height
Performance emulsified asphalt includes each component of following parts by weight:
650 parts of matrix pitch;
30 parts of emulsifier;
35 parts of latex;
5 parts of PH conditioning agents;
280 parts of water.
4. the hgh-performance emulsified asphalt according to claim 1 for cold mixing cold-application, which is characterized in that the grade
Newly gather materials for limestone with rubble, including 1# material, 2# material, 3# material, 4# expect fourth gear material, wherein the 1# expects that grain size is 10 ~ 20mm,
The 2# material grain size is 5 ~ 15mm, and the 3# material grain size is 3 ~ 5mm, and the 4# material grain size is 0 ~ 3mm, the 1# material, the 2#
The mass percent that material, 3# material, the 4# expect is respectively 20 ~ 30%, 30 ~ 35%, 5 ~ 10%, 30 ~ 40%.
5. the hgh-performance emulsified asphalt according to claim 1 for cold mixing cold-application, which is characterized in that the breast
Agent is Tension of Lignin Quaternary Ammonium Salt.
6. the hgh-performance emulsified asphalt according to claim 1 for cold mixing cold-application, which is characterized in that the PH
Conditioning agent is the concentrated sulfuric acid.
7. the preparation side according to claim 1-6 any one of them for the hgh-performance emulsified asphalt of cold mixing cold-application
Method, which is characterized in that include the following steps:
Step 1 weighs each component by the parts by weight;
The preparation of step 2, soap lye:The emulsifier is weighed by the parts by weight, and the latex, described is added wherein
Water stirs evenly, and the adjusting that the concentrated sulfuric acid carries out PH is added;
Step 3, the heating matrix pitch;
Step 4 pours into the soap lye that step 2 obtains in colloid mill, starts colloid mill, and control the soap lye temperature and exist
Between 50-60 DEG C;
The matrix pitch obtained by the step 3 is ground by step 5, obtains the hgh-performance emulsified pitch;
Step 6, by the hgh-performance emulsified pitch, the graded broken stone, the cement, the water-reducing agent and the water according to institute
Parts by weight are stated to be mixed evenly to get high performance asphalt.
8. the preparation method of the hgh-performance emulsified asphalt according to claim 7 for cold mixing cold-application, feature
It is, in the preparation of soap lye described in the step 2, the water is 60 DEG C of hot water, and the soap lye obtained is placed in 60-
1-2h is stored in 70 DEG C of hot water.
9. the preparation method of the hgh-performance emulsified asphalt according to claim 7 for cold mixing cold-application, feature
It is, the heating temperature of the step 3 mesostroma pitch is 138-142 DEG C.
10. the preparation method of the hgh-performance emulsified asphalt material according to claim 7 for cold mixing cold-application, feature exist
In, the step 5 pours into the matrix pitch obtained by the step 3 in 60s in hopper along the barrel of the colloid mill,
After grinding 30s, valve is opened to 45 ° of positions, is inverted in clean bottle to get hgh-performance emulsified pitch.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109824318A (en) * | 2019-01-16 | 2019-05-31 | 北京建筑大学 | A kind of cold mixing cold-application anionic emulsified bitumen and preparation method thereof, application |
CN111471398A (en) * | 2020-06-11 | 2020-07-31 | 陕西中融交通建设有限公司 | Cold-state construction color seal material and preparation method thereof |
CN113045249A (en) * | 2021-03-31 | 2021-06-29 | 长安大学 | Early-strength asphalt cold-patch material and preparation method thereof |
CN113636805A (en) * | 2021-07-12 | 2021-11-12 | 江苏中亿通道路新材料有限公司 | Preparation method of normal-temperature mixing type emulsified asphalt mixture |
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CN103242664A (en) * | 2013-05-09 | 2013-08-14 | 广州大学 | Styrene butadiene rubber (SBR) composite modified emulsified asphalt suitable for cold-mix material, and preparation method thereof |
CN106630769A (en) * | 2016-11-17 | 2017-05-10 | 中设设计集团股份有限公司 | Modified emulsified asphalt cold-mixed and cold-laid mixture for heavy traffic paving middle course and preparation method of modified emulsified asphalt cold-mixed and cold-laid mixture |
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CN103242664A (en) * | 2013-05-09 | 2013-08-14 | 广州大学 | Styrene butadiene rubber (SBR) composite modified emulsified asphalt suitable for cold-mix material, and preparation method thereof |
CN106630769A (en) * | 2016-11-17 | 2017-05-10 | 中设设计集团股份有限公司 | Modified emulsified asphalt cold-mixed and cold-laid mixture for heavy traffic paving middle course and preparation method of modified emulsified asphalt cold-mixed and cold-laid mixture |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109824318A (en) * | 2019-01-16 | 2019-05-31 | 北京建筑大学 | A kind of cold mixing cold-application anionic emulsified bitumen and preparation method thereof, application |
CN111471398A (en) * | 2020-06-11 | 2020-07-31 | 陕西中融交通建设有限公司 | Cold-state construction color seal material and preparation method thereof |
CN113045249A (en) * | 2021-03-31 | 2021-06-29 | 长安大学 | Early-strength asphalt cold-patch material and preparation method thereof |
CN113636805A (en) * | 2021-07-12 | 2021-11-12 | 江苏中亿通道路新材料有限公司 | Preparation method of normal-temperature mixing type emulsified asphalt mixture |
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Address after: Room 1809-1812, Floor 18, Block C, 88 Pubin Avenue, Jiangpu Street, Pukou District, Nanjing City, Jiangsu Province, 211800 Applicant after: CRCC (Jiangsu) Testing Technology Co., Ltd Address before: 211800 Qiaolin Industrial Park, Pukou District, Nanjing, Jiangsu Province, No. 18-22 Applicant before: JIANGSU ZHONGLU ENGINEERING DETECTION Co.,Ltd. |
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Application publication date: 20180904 |