CN108947329A - A kind of chromatic bitumen mixture and preparation method thereof - Google Patents
A kind of chromatic bitumen mixture and preparation method thereof Download PDFInfo
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- CN108947329A CN108947329A CN201810848703.8A CN201810848703A CN108947329A CN 108947329 A CN108947329 A CN 108947329A CN 201810848703 A CN201810848703 A CN 201810848703A CN 108947329 A CN108947329 A CN 108947329A
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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
- C04B2111/00474—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
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2076—Discolouring resistant materials
-
- 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
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of chromatic bitumen mixtures and preparation method thereof, the wheel tracking test dynamic stability for solving current color asphalt is poor, it is difficult to the problem of meeting the wagon flow pressure of urban road, its key points of the technical solution are that: a kind of chromatic bitumen mixture is made of as mass fraction following components: decoloration pitch 5.2-5.6 parts, 50-55 parts of coarse aggregate, 40-45 parts of fine aggregate, 0.5-1.5 parts of miberal powder, 1.5-2.5 parts of toner, 1.5-2.5 parts of portland cement；Wherein, the rubble that the rubble and partial size that coarse aggregate is 10-15mm by partial size are 5-10mm is that 1:0.8-1.2 is mixed according to mass ratio；Fine aggregate is that partial size is aggregate chips less than 5mm, keeps chromatic bitumen mixture wheel tracking test dynamic stability excellent, and color, performance are more stable, and mixture has better water stability and high-temperature stability.
Description
Technical field
The present invention relates to pitch manufacture, in particular to a kind of chromatic bitumen mixture and preparation method thereof.
Background technique
Colorful Asphalt Pavement improves the monotonicity of plain asphalt road surface black, can be mutual with the building of surrounding, landscape
Collocation is coordinated, and has apparent Landscape benefit.In addition, Colorful Asphalt Pavement increasingly obtains the organization and management effect of traffic
The attention of people is played the role of inducing wagon flow, safe driving, changes traffic administration intuitively.Colorful Asphalt Pavement is widely applied
In bus zone, cycle track, crossroad, zebra stripes, parkway, cell road, square, sports equipment etc..
Such as a kind of blue asphalt for the disclosure of the invention that application publication number is CN108147713A comprising: by 0%
~5% levigate mountain flour, 3.5%~6.5% high transparency binder, 1.5~4.5% blue powder, 0.5%~1.5%
Titanium dioxide, 0.2%~0.5% thinner put into 170 DEG C~180 DEG C of 80.5%~93.8% mineral aggregate, and
Mix 0.5-3min makes to be uniformly dispersed；The light tone agent of investment 0.5~1.5% continues stirring 10-30 seconds, until obtaining blue drip
Green mixture.
But with the increase of urban road pressure, its is bright-colored is not only required nothing more than to color asphalt, also requires it
With good wheel tracking test dynamic stability, however the wheel tracking test dynamic stability of current color asphalt is poor, it is difficult to meet
The wagon flow pressure of urban road.
Summary of the invention
The first purpose of the invention is to provide a kind of chromatic bitumen mixtures, have good wheel tracking test dynamic stability
Degree.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of chromatic bitumen mixture is made of as mass fraction following components: decoloration pitch 5.2-5.6 parts, coarse aggregate 50-
55 parts, 40-45 parts of fine aggregate, 0.5-1.5 parts of miberal powder, 1.5-2.5 parts of toner, 1.5-2.5 parts of portland cement；
Wherein, the rubble that the rubble and partial size that coarse aggregate is 10-15mm by partial size are 5-10mm is 1:0.8-1.2 according to mass ratio
It mixes；Fine aggregate is that partial size is aggregate chips less than 5mm.
By using above-mentioned technical proposal, the pitch that decolourizes is of light color, and close to colorless and transparent, the influence to toner is smaller, more
Conducive to colouring, mixture color more can guarantee；After coarse aggregate is mixed with fine aggregate, skeleton function can be played, reduces colored drip
Blueness volume change due to caused by cementitious material drying shrinkage bulking in condensation hardening process, reduces cracking；Miberal powder can drip
Filling effect is played in green mixture, meanwhile, miberal powder and decoloration pitch are capable of forming asphalt mastic, improve the strong of color asphalt
Degree and stability, and silicate is basic matterial, it is stronger to the adsorption capacity of asphalt, stablize so as to improve mixture
Property, while the integral strength of asphalt can also be improved after silicate cement hydration effect；By coarse aggregate, fine aggregate,
The cooperation of miberal powder and decoloration pitch, so that also making stone other than very stiff and demanding skeleton produced by insert molding between aunt family and stone
More bonds, further improve the integral strength of asphalt between head and stone；Simultaneously as the addition of cement,
It may replace part miberal powder, reduce the pitch amount that miberal powder absorbs, while guaranteeing high temperature rutting resistance, reduce pitch cost.
To sum up, chromatic bitumen mixture produced by the invention is bright in luster, and color difference is small, the water stability and high-temperature stable of asphalt
Property it is preferable, integral strength is high.
Preferably, coarse aggregate and fine aggregate are diabase or basaltic one of which or two kinds.
By using above-mentioned technical proposal, diabase belongs to neutral intrusive rock, for silicic acid saturation or weak supersaturated class igneous
Rock, compared with basic rock, dioritic melanocratic mineral is less, and color is shallower, and mineral grain is also slightly thin, used in of the invention,
Influence of the color of to toner itself is smaller, further ensures the bright-colored of colored road surface, color difference is small；
Basalt is meta-alkalescence stone material, higher (adhesion grade is 5 grades) with the adhesion of pitch, and basaltic robustness,
Crush values are preferable, can improve the overall performance of mixture.
Preferably, toner is iron oxide red, the one of which of iron oxide green, iron oxide yellow, iron oxide black.
By using above-mentioned technical proposal, the value of chromatism of the above color is small, and rich in color, can select as needed pair
The color answered.
Preferably, toner is preferably iron oxide red, partial size is less than 0.5mm.
By using above-mentioned technical proposal, the caking property of iron oxide red and asphalt is preferable, and high temperature value of chromatism compared with
It is small, the color of asphalt and performance can be made more stable.
Preferably, miberal powder is Ground limestone powder, partial size is less than 0.5mm.
By using above-mentioned technical proposal, the addition of Ground limestone powder, can effectively improve cement additional chaste tree compatibility,
Promote the aquation of cement and improves the volume stability of cement mortar；The Ground limestone powder of certain granules distribution is to cement mortar
Mobile performance and intensity have facilitation.
Preferably, a kind of chromatic bitumen mixture, includes that following components forms as mass fraction: 70# decoloration drip
Green 5.4 parts, partial size be 10-15mm 28.5 parts of basaltic broken stone, partial size be 5-10mm 24.0 parts of basaltic broken stone, partial size it is small
It is less than the iron oxide red of 0.5mm in Ground limestone powder 1.0 part of 42.5 parts of the basalt aggregate chips, partial size of 5mm less than 0.5mm, partial size
2.0 parts, 2.0 parts of 42.5R ordinary portland cement.
By using above-mentioned technical proposal, under above scheme the immersion Marshall residual stability of chromatic bitumen mixture and
Wheel tracking test dynamic stability is relatively all higher, and the water stability and high-temperature stability of mixture are preferable.
A second object of the present invention is to provide a kind of preparation method of chromatic bitumen mixture, make each component in mixture
It can be uniformly dispersed.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of preparation method of chromatic bitumen mixture, comprises the following steps that
Coarse aggregate, fine aggregate and miberal powder are separately heated to 160-170 DEG C by Step1；
Decoloration pitch is heated and keeps the temperature 145-155 DEG C to decoloration pitch melting by Step2；
Step3, coarse aggregate and fine aggregate after Step1 is heated mix cylinder together with the decoloration pitch addition after Step2 heating
In, it stirs evenly；
Step4, into Step3, miberal powder and unheated toner after Step1 heating is added in side stirring, continues to be stirred until homogeneous,
Up to chromatic bitumen mixture.
By using above-mentioned technical proposal, chromatic bitumen mixture is mixed and stirred suddenly in two steps, can effectively prevent fine powder bonding
Agglomerating, mixture is painted more evenly, and the color of chromatic bitumen mixture, performance are more stable.
Reach 145-155 DEG C using cylinder temperature is preceding preheated to preferably, mixing cylinder, and it is same to mix holding temperature when cylinder uses
Sample is 145-155 DEG C.
By using above-mentioned technical proposal, mixing cylinder preheating can be avoided coarse aggregate, fine aggregate, miberal powder and decoloration pitch addition
It is pre-chilled suddenly when mixing cylinder, keeps mix process more stable, mixing cylinder heat preservation then can be avoided heat losses in whipping process.
Preferably, mixing cylinder sets paddle rotational velocity as 70-80r/min, revolution speed 40-50r/min.
It, can be in the premise for guaranteeing that asphalt mixes well under above-mentioned revolving speed by using above-mentioned technical proposal
Under, reduce the abrasion of equipment.
Preferably, mixing cylinder capacity is 10-12L, the Step3 mixing time is 50-60s, and the Step4 mixing time is 110-
120s。
By using above-mentioned technical proposal, under above-mentioned duration of mixing, capable of guaranteeing asphalt, fully mix is equal
It is even.
In conclusion the invention has the following advantages:
1, the present invention makes color asphalt by the mix of decolourize pitch, coarse aggregate, fine aggregate, miberal powder, toner and portland cement
Mixture has preferable test result, the water of mixture in immersion Marshall residual stability and wheel tracking test dynamic stability
Stability and high-temperature stability are good；
2, the present invention makes the tool of chromatic bitumen mixture by the mix of decolourize pitch, diabase coarse aggregate, diabase fine aggregate
There is higher colour developing degree；And pass through the mix of miberal powder and portland cement, make chromatic bitumen mixture color fastness with higher,
The gloss and good stability of thus obtained chromatic bitumen mixture.
Detailed description of the invention
Fig. 1 is the flow chart of chromatic bitumen mixture preparation method.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
In following embodiment, 70# decoloration pitch is purchased from Xiamen Xin Liji limited liability company；Miberal powder is selected as Ground limestone
Powder；Toner is iron oxide red, the one of which of iron oxide green, iron oxide yellow, iron oxide black；Coarse aggregate is 10-15mm by partial size
Rubble and partial size be 5-10mm rubble according to mass ratio be that 1:0.8-1.2 is mixed；Fine aggregate is that partial size is less than 5mm
Aggregate chips；Cement uses 42.5R ordinary portland cement.
Embodiment 1a
Referring to Fig. 1, a kind of preparation method of chromatic bitumen mixture is comprised the following steps that
Step1, by 10-15mm diabase coarse aggregate 2.85kg, 5-10mm diabase coarse aggregate 2.4kg and diabase fine aggregate
4.25kg is separately heated to 165 DEG C；
70# decoloration pitch 0.54kg is heated 150 DEG C and kept the temperature to decoloration pitch melting by Step2；
Step3.1 chooses capacity as 10L and mixes cylinder, is preheated to cylinder temperature and reaches 150 DEG C；
Step3.2, diabase coarse aggregate and diabase fine aggregate after Step1 is heated are dripped together with the decoloration after Step2 heating
It is green that mixing in cylinder after Step3.1 is preheated is added together；
Step3.3, the holding temperature that cylinder is mixed in control is 150 DEG C, sets the rotational velocity for mixing cylinder paddle as 75r/min, revolves
Speed is 45r/min, mixing time 60s；
Ground limestone powder 0.2kg is heated to 165 DEG C by Step4.1；
Step4.2, into Step3.3, Ground limestone powder 0.1kg and unheated oxygen after Step4.1 heating is added in side stirring
Change iron oxide red 0.2kg, and continues to stir 120s to get chromatic bitumen mixture.
To gather materials, toner, miberal powder, cement do granularmetric analysis, respectively gather materials, the grain size specification of toner, miberal powder, cement is seen below
Table:
Embodiment 1b- embodiment 1e is identical as the preparation method of embodiment 1a, and difference is, the specific ingredient of each component and each
Specifically varying in weight for ingredient, specifically see the table below:
Test mixture is carried out by " standard specification for construction and acceptance of highway asphalt pavement " (JTG F40-2004) requirement；Meanwhile it will mix
After material immersion 72h, the discoloration of mixture is observed.
Test the key technical indexes and test result see the table below 4.
Embodiment 2a
A kind of preparation method of chromatic bitumen mixture, comprises the following steps that
Step1, by 10-15mm diabase coarse aggregate 2.85kg, 5-10mm diabase coarse aggregate 2.4kg and diabase fine aggregate
4.25kg is separately heated to 160 DEG C；
70# decoloration pitch 0.54kg is heated 145 DEG C and kept the temperature to decoloration pitch melting by Step2；
Step3.1 chooses capacity as 10L and mixes cylinder, is preheated to cylinder temperature and reaches 145 DEG C；
Step3.2, diabase coarse aggregate and diabase fine aggregate after Step1 is heated are dripped together with the decoloration after Step2 heating
It is green that mixing in cylinder after Step3.1 is preheated is added together；
Step3.3, the holding temperature that cylinder is mixed in control is 145 DEG C, sets the rotational velocity for mixing cylinder paddle as 70r/min, revolves
Speed is 40r/min, mixing time 60s；
Ground limestone powder 0.2kg is heated to 160 DEG C by Step4.1；
Step4.2, into Step3.3, Ground limestone powder 0.1kg and unheated oxygen after Step4.1 heating is added in side stirring
Change iron oxide red 0.2kg, and continues to stir 120s to get chromatic bitumen mixture.
Embodiment 2b
A kind of preparation method of chromatic bitumen mixture, comprises the following steps that
Step1, by 10-15mm diabase coarse aggregate 2.85kg, 5-10mm diabase coarse aggregate 2.4kg and diabase fine aggregate
4.25kg is separately heated to 170 DEG C；
70# decoloration pitch 0.54kg is heated 155 DEG C and kept the temperature to decoloration pitch melting by Step2；
Step3.1 chooses capacity as 10L and mixes cylinder, is preheated to cylinder temperature and reaches 155 DEG C；
Step3.2, diabase coarse aggregate and diabase fine aggregate after Step1 is heated are dripped together with the decoloration after Step2 heating
It is green that mixing in cylinder after Step3.1 is preheated is added together；
Step3.3, the holding temperature that cylinder is mixed in control is 155 DEG C, sets the rotational velocity for mixing cylinder paddle as 80r/min, revolves
Speed is 50r/min, mixing time 50s；
Ground limestone powder 0.2kg is heated to 170 DEG C by Step4.1；
Step4.2, into Step3.3, Ground limestone powder 0.1kg and unheated oxygen after Step4.1 heating is added in side stirring
Change iron oxide red 0.2kg, and continues to stir 110s to get chromatic bitumen mixture.
Comparative example 1a
Comparative example 1a is identical as the preparation method of embodiment 1a, and difference is that comparative example 1a is with miberal powder alternate embodiment 1a's
Cement.
Comparative example 1b
Comparative example 1b is identical as the preparation method of embodiment 1a, and difference is that comparative example 1b is with cement alternate embodiment 1a's
Miberal powder.
Comparative example 1c
A kind of preparation method of chromatic bitumen mixture, comprises the following steps that
Step1, by 10-15mm diabase coarse aggregate 2.85kg, 5-10mm diabase coarse aggregate 2.4kg, diabase fine aggregate
4.25kg and Ground limestone powder 0.2kg are separately heated to 170 DEG C；
70# decoloration pitch 0.54kg is heated 155 DEG C and kept the temperature to decoloration pitch melting by Step2；
Step3.1 chooses capacity as 10L and mixes cylinder, is preheated to cylinder temperature and reaches 155 DEG C；
Step3.2, diabase coarse aggregate, diabase fine aggregate, Ground limestone powder and Step2 heating after Step1 is heated
Mixing in cylinder after Step3.1 is preheated is added in decoloration pitch afterwards together, and unheated iron oxide red 0.2kg is added, and cylinder is mixed in setting
The rotational velocity of paddle is 80r/min, revolution speed 50r/min, stirs 180s to get chromatic bitumen mixture.
Comparative example 1a- comparative example 1c is equally subjected to above-mentioned experiment, result see the table below at this time:
To sum up, using asphalt produced by the present invention not fugitive color, and wheel tracking test dynamic stability and immersion Marshall are residual
Stay the experimental data of stability excellent, water stability with higher and high-temperature stability.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of chromatic bitumen mixture, which is characterized in that be made of as mass fraction following components: decoloration pitch 5.2-
5.6 parts, 50-55 parts of coarse aggregate, 40-45 parts of fine aggregate, 0.5-1.5 parts of miberal powder, 1.5-2.5 parts of toner, portland cement 1.5-
2.5 part；
Wherein, the rubble that the rubble and partial size that coarse aggregate is 10-15mm by partial size are 5-10mm is 1:0.8-1.2 according to mass ratio
It mixes；Fine aggregate is that partial size is aggregate chips less than 5mm.
2. a kind of chromatic bitumen mixture according to claim 1, which is characterized in that coarse aggregate and fine aggregate are to dodge length
Rock is basaltic one of or two kinds.
3. a kind of chromatic bitumen mixture according to claim 1, which is characterized in that toner is iron oxide red, iron oxide
The one of which of green, iron oxide yellow, iron oxide black.
4. a kind of chromatic bitumen mixture according to claim 3, which is characterized in that toner is preferably iron oxide red,
Partial size is less than 0.5mm.
5. a kind of chromatic bitumen mixture according to claim 1, which is characterized in that miberal powder is Ground limestone powder,
Partial size is less than 0.5mm.
6. a kind of chromatic bitumen mixture, which is characterized in that include that following components forms as mass fraction: 70# decoloration drip
Green 5.4 parts, partial size be 10-15mm 28.5 parts of basaltic broken stone, partial size be 5-10mm 24.0 parts of basaltic broken stone, partial size it is small
It is less than the iron oxide red of 0.5mm in Ground limestone powder 1.0 part of 42.5 parts of the basalt aggregate chips, partial size of 5mm less than 0.5mm, partial size
2.0 parts, 2.0 parts of 42.5R ordinary portland cement.
7. a kind of preparation method of chromatic bitumen mixture according to claim 1-6, which is characterized in that including
It has the following steps:
Coarse aggregate, fine aggregate and miberal powder are separately heated to 160-170 DEG C by Step1；
Decoloration pitch is heated 145-155 DEG C and kept the temperature to decoloration pitch melting by Step2；
Step3, coarse aggregate and fine aggregate after Step1 is heated mix cylinder together with the decoloration pitch addition after Step2 heating
In, it stirs evenly；
Step4, into Step3, miberal powder and unheated toner after Step1 heating is added in side stirring, continues to be stirred until homogeneous,
Up to chromatic bitumen mixture.
8. a kind of preparation method of chromatic bitumen mixture according to claim 7, which is characterized in that mix cylinder using preceding pre-
Heat to cylinder temperature reaches 145-155 DEG C, and mix cylinder using when holding temperature be similarly 145-155 DEG C.
9. a kind of preparation method of chromatic bitumen mixture according to claim 7, which is characterized in that mix cylinder setting stirring
Leaf rotational velocity is 70-80r/min, revolution speed 40-50r/min.
10. a kind of preparation method of chromatic bitumen mixture according to claim 7, which is characterized in that mixing cylinder capacity is
10-12L, the Step3 mixing time are 50-60s, and the Step4 mixing time is 110-120s.
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| CN109437677A (en) * | 2018-12-27 | 2019-03-08 | 贵州省都匀公路管理局 | A kind of supporting material and preparation method thereof for sub-surface |
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| CN117361951A (en) * | 2023-10-10 | 2024-01-09 | 浙江威克赛新材料科技有限公司 | Color asphalt concrete with good color stability and preparation method thereof |
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Application publication date: 20181207 |
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