CN106587734B - Hollow glass microbead thermal resistance stone mastic asphalt and preparation method thereof - Google Patents
Hollow glass microbead thermal resistance stone mastic asphalt and preparation method thereof Download PDFInfo
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- CN106587734B CN106587734B CN201611024029.9A CN201611024029A CN106587734B CN 106587734 B CN106587734 B CN 106587734B CN 201611024029 A CN201611024029 A CN 201611024029A CN 106587734 B CN106587734 B CN 106587734B
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- hollow glass
- thermal resistance
- glass microbead
- mixture
- mastic asphalt
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of hollow glass microbead thermal resistance stone mastic asphalts and preparation method thereof, it is prepared by SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer for raw material, the compression strength of the mixture is high, mix surface hole is less, oil absorbency is lower, good cooling effect, and preparation method is simple.
Description
Technical field
The invention belongs to technical field of road engineering, are related to a kind of hollow glass microbead thermal resistance asphalt-mastic-broken stone mixing
Material and preparation method thereof.
Background technique
As one of bituminous pavement most typically and extensive disease form, the appearance of track reduce driving comfort and
Safety affects the service performance of bituminous pavement, and road surface also needs the processing that carries out large repairs when serious.Surface layer temperature in bituminous pavement
Spending height is one of the main reason that track disease generates.In order to reduce track occurrence probability, thermal resistance technology becomes " actively
One of the measure of ground " reduction pavement temperature.Thermal resistance material mainly has expanded vermiculite, calcining bauxite and ceramic particle.Vermiculite adds
Enter asphalt surface course, discovery vermiculite asphalt cooling maximum value is 12 DEG C, but its high-temperature stability is very poor, should not use.
The cooling effect for calcining bauxite asphalt is 3.5 DEG C, but water stability decreases；Haydite by mixing formula in equal volume
Case prepares SMA-10 thermal resistance asphalt, and comprehensive cooling effect and pavement performance are as a result, recommend the optimal volume volume of haydite
It is 40%, cooling effect is 3.7 DEG C；
As it can be seen that but since thermal resistance surface of aggregate is porous, oil absorbency is big, and compared with commonly gathering materials, compression strength is low, causes to drip
The pavement performances such as bearing capacity, wear-resisting property and the water stability of green mixture have different degrees of loss, constrain it in road
The extensive use of road engineering field.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of hollow glass microbead thermal resistance pitch is provided
Mastic-broken stone mixture and preparation method thereof, the compression strength of the mixture is high, and mix surface hole is less, oil absorbency compared with
It is low, good cooling effect, and preparation method is simple.
In order to achieve the above objectives, hollow glass microbead thermal resistance stone mastic asphalt of the present invention is by SBS
Modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are prepared for raw material.
The mass fraction difference of SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer
It is 6.2 parts, 0.4-1.2 parts, 76 parts, 14 parts, 2.5-7.5 parts and 0.4 part.
SBS modified pitch is mixed by A-90# bi tumenf orr oad with SBS, wherein the quality of SBS is A-90# road
The 4% of oil pitch quality.
Hollow glass microbead is borosilicate.
Coarse aggregate is basaltic broken stone.
Fine aggregate is limestone machine-made sand.
Miberal powder is basalt powder.
Fiber stabilizer is mineral fibres element.
The preparation method of hollow glass microbead thermal resistance stone mastic asphalt of the present invention includes following step
It is rapid:
1) SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are weighed, then will be thick
Gather materials and fine aggregate is placed into isothermal holding in constant temperature oven；
2) it will be poured into agitated kettle through step 1) treated coarse aggregate and fine aggregate, and add fiber stabilizer, then
It is stirred again, obtains mixture；
3) SBS modified pitch is added into the mixture that step 2) obtains, then is stirred, then add miberal powder and in
Empty glass microballoon, stirs evenly, and obtains mixture；
4) mixture for obtaining step 3) pours into track board mold, then rolls mixture by rolling wheel, obtains hollow
Glass microballoon thermal resistance stone mastic asphalt.
Coarse aggregate and fine aggregate are placed into 180 DEG C of constant temperature oven in step 1) and keep the temperature 6h；
Coarse aggregate and fine aggregate poured into step 2) in 180 DEG C of agitated kettle, adds fiber stabilizer, then stir again
90s is mixed, mixture is obtained；
SBS modified pitch is added in step 3) into the mixture in step 2), is stirred for 90s.
The invention has the following advantages:
Hollow glass microbead thermal resistance stone mastic asphalt of the present invention is with SBS modified pitch, hollow glass
Glass microballon, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer, wherein hollow glass microbead have thermal coefficient is low, intensity is high,
Nontoxic, insulation, fire prevention, fire-retardant, high temperature resistant, sound insulation and corrosion resistant characteristic, to make mixture that there is excellent cooling effect
And compression strength, in addition, the viscosity of SBS modified pitch is higher, while being plugged the gap by fine aggregate and miberal powder, to make to mix
Expect that surface holes are less, reduces the oil absorbency of mixture, in addition, the present invention, based on coarse aggregate, compression strength is higher, Neng Gouyou
The reduction track odds of effect.Through testing, the present invention is compared with plain asphalt mastic-broken stone mixture, drop of the invention
Temp effect is up to 5.3-7.2 DEG C, and dynamic stability improves 21.7%, and immersion residual stability improves 3.3%, freeze-thaw split intensity ratio
4.7% is reduced, low-temperature bending strain reduces by 8%, has broad application prospects and use value.In addition, in preparation process, only
Each raw material need to be heated mixing to roll, preparation process is relatively simple.
Specific embodiment
Below with reference to specific embodiment, the invention will be described in further detail, be explanation of the invention below without
It is to limit.
The technical indicator of SBS modified pitch is as shown in table 1:
Table 1
The technical indicator of hollow glass microbead is as shown in table 2:
Table 2
Coarse aggregate technical indicator is as shown in table 3:
Table 3
Fine aggregate technical indicator is as shown in table 4:
Table 4
Miberal powder technical indicator is as shown in table 5:
Table 5
Embodiment one
Hollow glass microbead thermal resistance stone mastic asphalt of the present invention is by SBS modified pitch, hollow glass
Glass microballon, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are prepared for raw material.
Wherein, the mass parts of SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer
Number is respectively 6.2 parts, 0.8 part, 76 parts, 14 parts, 5 parts and 0.4 part.
Wherein, SBS modified pitch is mixed by A-90# bi tumenf orr oad with SBS, wherein the quality of SBS is A-
The 4% of 90# bi tumenf orr oad quality；Hollow glass microbead is borosilicate；Coarse aggregate is basaltic broken stone；Fine aggregate is stone
Limestone Machine-made Sand；Miberal powder is basalt powder；Fiber stabilizer is mineral fibres element.
The preparation method of hollow glass microbead thermal resistance stone mastic asphalt of the present invention includes following step
It is rapid:
1) SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are weighed, then will be thick
Gather materials and fine aggregate is placed into isothermal holding in constant temperature oven；
2) it will be poured into agitated kettle through step 1) treated coarse aggregate and fine aggregate, and add fiber stabilizer, then
It is stirred again, obtains mixture；
3) SBS modified pitch is added into the mixture that step 2) obtains, then is stirred, then add miberal powder and in
Empty glass microballoon, stirs evenly, and obtains mixture；
4) mixture for obtaining step 3) pours into track board mold, then rolls mixture by rolling wheel, obtains hollow
Glass microballoon thermal resistance stone mastic asphalt.
Coarse aggregate and fine aggregate are placed into 180 DEG C of constant temperature oven in step 1) and keep the temperature 6h；
Coarse aggregate and fine aggregate poured into step 2) in 180 DEG C of agitated kettle, adds fiber stabilizer, then stir again
90s is mixed, mixture is obtained；
SBS modified pitch is added in step 3) into the mixture in step 2), is stirred for 90s.
Pass through hollow glass microbead thermal resistance bitumastic in the indoor simulation radiation test system testing 7h of designed, designed
The cooling effect of macadam-aggregate mix, as a result maximum cooling effect is 5.3 DEG C；According to " highway engineering pitch and asphalt examination
Test regulation " correlation test method, the pavement performance of mixture is tested, result is that Marshall stability is 8.96kN, and flow valuve is
25.5mm, dynamic stability are 5232 times/mm, and immersion residual stability is 97.3%, and freeze-thaw split intensity ratio is 82.9%, low temperature
Bending strain is that the analysis leakage of 3002.6 μ ε, Xie Lunbao pitches is 0.06%, Superpave mix-design 4.7%.
Embodiment two
Hollow glass microbead thermal resistance stone mastic asphalt of the present invention is by SBS modified pitch, hollow glass
Glass microballon, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are prepared for raw material.
Wherein, the mass parts of SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer
Number is respectively 6.2 parts, 0.4 part, 76 parts, 14 parts, 7.5 parts and 0.4 part.
Wherein, SBS modified pitch is mixed by A-90# bi tumenf orr oad with SBS, wherein the quality of SBS is A-
The 4% of 90# bi tumenf orr oad quality；Hollow glass microbead is borosilicate；Coarse aggregate is basaltic broken stone；Fine aggregate is stone
Limestone Machine-made Sand；Miberal powder is basalt powder；Fiber stabilizer is mineral fibres element.
The preparation method of hollow glass microbead thermal resistance stone mastic asphalt of the present invention includes following step
It is rapid:
1) SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are weighed, then will be thick
Gather materials and fine aggregate is placed into isothermal holding in constant temperature oven；
2) it will be poured into agitated kettle through step 1) treated coarse aggregate and fine aggregate, and add fiber stabilizer, then
It is stirred again, obtains mixture；
3) SBS modified pitch is added into the mixture that step 2) obtains, then is stirred, then add miberal powder and in
Empty glass microballoon, stirs evenly, and obtains mixture；
4) mixture for obtaining step 3) pours into track board mold, then rolls mixture by rolling wheel, obtains hollow
Glass microballoon thermal resistance stone mastic asphalt.
Coarse aggregate and fine aggregate are placed into 180 DEG C of constant temperature oven in step 1) and keep the temperature 6h；
Coarse aggregate and fine aggregate poured into step 2) in 180 DEG C of agitated kettle, adds fiber stabilizer, then stir again
90s is mixed, mixture is obtained；
SBS modified pitch is added in step 3) into the mixture in step 2), is stirred for 90s.
Embodiment three
Hollow glass microbead thermal resistance stone mastic asphalt of the present invention is by SBS modified pitch, hollow glass
Glass microballon, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are prepared for raw material.
Wherein, the mass parts of SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer
Number is respectively 6.2 parts, 1.2 parts, 76 parts, 14 parts, 2.5 parts and 0.4 part.
Wherein, SBS modified pitch is mixed by A-90# bi tumenf orr oad with SBS, wherein the quality of SBS is A-
The 4% of 90# bi tumenf orr oad quality；Hollow glass microbead is borosilicate；Coarse aggregate is basaltic broken stone；Fine aggregate is stone
Limestone Machine-made Sand；Miberal powder is basalt powder；Fiber stabilizer is mineral fibres element.
The preparation method of hollow glass microbead thermal resistance stone mastic asphalt of the present invention includes following step
It is rapid:
1) SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are weighed, then will be thick
Gather materials and fine aggregate is placed into isothermal holding in constant temperature oven；
2) it will be poured into agitated kettle through step 1) treated coarse aggregate and fine aggregate, and add fiber stabilizer, then
It is stirred again, obtains mixture；
3) SBS modified pitch is added into the mixture that step 2) obtains, then is stirred, then add miberal powder and in
Empty glass microballoon, stirs evenly, and obtains mixture；
4) mixture for obtaining step 3) pours into track board mold, then rolls mixture by rolling wheel, obtains hollow
Glass microballoon thermal resistance stone mastic asphalt.
Coarse aggregate and fine aggregate are placed into 180 DEG C of constant temperature oven in step 1) and keep the temperature 6h；
Coarse aggregate and fine aggregate poured into step 2) in 180 DEG C of agitated kettle, adds fiber stabilizer, then stir again
90s is mixed, mixture is obtained；
SBS modified pitch is added in step 3) into the mixture in step 2), is stirred for 90s.
Example IV
Hollow glass microbead thermal resistance stone mastic asphalt of the present invention is by SBS modified pitch, hollow glass
Glass microballon, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are prepared for raw material.
Wherein, the mass parts of SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer
Number is respectively 6.2 parts, 1 part, 76 parts, 14 parts, 6 parts and 0.4 part.
Wherein, SBS modified pitch is mixed by A-90# bi tumenf orr oad with SBS, wherein the quality of SBS is A-
The 4% of 90# bi tumenf orr oad quality；Hollow glass microbead is borosilicate；Coarse aggregate is basaltic broken stone；Fine aggregate is stone
Limestone Machine-made Sand；Miberal powder is basalt powder；Fiber stabilizer is mineral fibres element.
The preparation method of hollow glass microbead thermal resistance stone mastic asphalt of the present invention includes following step
It is rapid:
1) SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are weighed, then will be thick
Gather materials and fine aggregate is placed into isothermal holding in constant temperature oven；
2) it will be poured into agitated kettle through step 1) treated coarse aggregate and fine aggregate, and add fiber stabilizer, then
It is stirred again, obtains mixture；
3) SBS modified pitch is added into the mixture that step 2) obtains, then is stirred, then add miberal powder and in
Empty glass microballoon, stirs evenly, and obtains mixture；
4) mixture for obtaining step 3) pours into track board mold, then rolls mixture by rolling wheel, obtains hollow
Glass microballoon thermal resistance stone mastic asphalt.
Coarse aggregate and fine aggregate are placed into 180 DEG C of constant temperature oven in step 1) and keep the temperature 6h；
Coarse aggregate and fine aggregate poured into step 2) in 180 DEG C of agitated kettle, adds fiber stabilizer, then stir again
90s is mixed, mixture is obtained；
SBS modified pitch is added in step 3) into the mixture in step 2), is stirred for 90s.
Comparative example one
The difference of comparative example one and embodiment one is that hollow glass microbead is 0 part, and miberal powder is 10 parts.
Comparative example two
The difference of comparative example two and embodiment one is that hollow glass microbead is 1.6 parts, and miberal powder is 0 part.
Test result is as shown in table 6:
Table 6
Table 6 shows that when hollow glass microbead volume gradually increases, cooling amplitude peak increases；Stability and flow valuve
It is gradually increased, dynamic stability is gradually increased, and immersion residual stability shows the trend for first increasing and reducing afterwards, low temperature damage strain
Reduce, freeze-thaw split intensity ratio gradually decreases, and when hollow glass microbead proportion reaches 1.6 parts, bitumastic is broken
The freeze-thaw split intensity of stone mixture is not than being able to satisfy code requirement (code requirement is >=80%).Therefore, the hollow glass of the present invention
Glass microballon mass fraction is 0.4-1.2 parts.
Claims (9)
1. a kind of hollow glass microbead thermal resistance stone mastic asphalt, which is characterized in that by SBS modified pitch, hollow
Glass microballoon, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are prepared for raw material；
SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer mass fraction be respectively
6.2 parts, 0.4-1.2 parts, 76 parts, 14 parts, 2.5-7.5 parts and 0.4 part.
2. hollow glass microbead thermal resistance stone mastic asphalt according to claim 1, which is characterized in that SBS
Modified pitch is mixed by A-90# bi tumenf orr oad with SBS, wherein the quality of SBS is A-90# bi tumenf orr oad matter
The 4% of amount.
3. hollow glass microbead thermal resistance stone mastic asphalt according to claim 1, which is characterized in that hollow
Glass microballoon is borosilicate.
4. hollow glass microbead thermal resistance stone mastic asphalt according to claim 1, which is characterized in that rough set
Material is basaltic broken stone.
5. hollow glass microbead thermal resistance stone mastic asphalt according to claim 1, which is characterized in that thin collection
Material is limestone machine-made sand.
6. hollow glass microbead thermal resistance stone mastic asphalt according to claim 1, which is characterized in that miberal powder
For basalt powder.
7. hollow glass microbead thermal resistance stone mastic asphalt according to claim 1, which is characterized in that fiber
Stabilizer is mineral fibres element.
8. a kind of preparation method of hollow glass microbead thermal resistance stone mastic asphalt as claimed in claim 2, special
Sign is, comprising the following steps:
1) SBS modified pitch, hollow glass microbead, coarse aggregate, fine aggregate, miberal powder and fiber stabilizer are weighed, then by coarse aggregate
And fine aggregate is placed into isothermal holding in constant temperature oven；
2) will be poured into agitated kettle through step 1) treated coarse aggregate and fine aggregate, and add fiber stabilizer, then again into
Row stirring, obtains mixture；
3) SBS modified pitch is added into the mixture that step 2 obtains, then is stirred, then adds miberal powder and hollow glass
Glass microballon, stirs evenly, and obtains mixture；
4) mixture for obtaining step 3) pours into track board mold, then rolls mixture by rolling wheel, obtains hollow glass
Microballon thermal resistance stone mastic asphalt.
9. the preparation method of hollow glass microbead thermal resistance stone mastic asphalt according to claim 8, special
Sign is,
Coarse aggregate and fine aggregate are placed into 180 DEG C of constant temperature oven in step 1) and keep the temperature 6h；
Coarse aggregate and fine aggregate poured into step 2 in 180 DEG C of agitated kettle, adds fiber stabilizer, be then stirred for
90s obtains mixture；
SBS modified pitch is added in mixture in from step 3) to step 2, is stirred for 90s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611024029.9A CN106587734B (en) | 2016-11-17 | 2016-11-17 | Hollow glass microbead thermal resistance stone mastic asphalt and preparation method thereof |
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|---|---|---|---|
| CN201611024029.9A CN106587734B (en) | 2016-11-17 | 2016-11-17 | Hollow glass microbead thermal resistance stone mastic asphalt and preparation method thereof |
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| CN110092611B (en) * | 2019-04-29 | 2021-11-05 | 长沙理工大学 | Asphalt mixture and preparation method thereof |
| CN112830712A (en) * | 2021-01-19 | 2021-05-25 | 山东交通学院 | Modified asphalt mixture and preparation method thereof |
| CN116606088B (en) * | 2023-05-23 | 2024-04-02 | 芜湖城瑞路桥建设有限公司 | Ultraviolet-resistant asphalt mastic macadam mixture and preparation method thereof |
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| CN102225855B (en) * | 2011-04-13 | 2013-06-05 | 东莞市东物合成材料有限公司 | Wear-resistant noise-reducing thermal-insulating modified emulsified asphalt mortar paint |
| CN102674753A (en) * | 2012-05-30 | 2012-09-19 | 长安大学 | Thermal resistance type ceramisite wearing layer for asphalt road and preparation method for thermal resistance type ceramisite wearing layer |
| CN104974536A (en) * | 2015-07-07 | 2015-10-14 | 绍兴兰亭沥青技术有限公司 | Environmental protection modified emulsified asphalt and preparation method thereof |
| CN105565708B (en) * | 2015-12-14 | 2019-01-22 | 上海中冶环境工程科技有限公司 | A kind of mastic-broken stone asphalt |
| CN105714636B (en) * | 2016-03-14 | 2018-05-08 | 长安大学 | A kind of thermal resistance SMA-13 aggregate grading design methods |
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