CN106810130A - Suitable for the SMA asphalts that overhead quiet stone roller is mated formation - Google Patents
Suitable for the SMA asphalts that overhead quiet stone roller is mated formation Download PDFInfo
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- CN106810130A CN106810130A CN201710081449.9A CN201710081449A CN106810130A CN 106810130 A CN106810130 A CN 106810130A CN 201710081449 A CN201710081449 A CN 201710081449A CN 106810130 A CN106810130 A CN 106810130A
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- China
- Prior art keywords
- quiet
- wax
- overhead
- mated formation
- sma
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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
Abstract
The invention discloses it is a kind of suitable for it is overhead it is quiet grind the SMA asphalts mated formation, comprising gathering materials, filler, fiber stabilizer and asphalt binder；Gather materials including coarse aggregate and fine aggregate, coarse aggregate is basalt or diabase or limestone, fine aggregate is limestone；Filler is limestone dust；Fiber stabilizer is the composite fibre of polyester fiber or lignin fibre or both, asphalt binder is quiet stone roller modified pitch, volume is the 5.5% ~ 6.2% of mixture quality, is made up of 7%~11% modifying agent, 1.75%~2.8% wax, 0.75%~1.2% lubricant and balance of 70# matrix pitches.The present invention can realize compacting under quiet stone roller technique, property indices meet the design standard of Heavy Traffic, reduce because in asphalt mixture surfacing construction road roller vibration to bridge whole service life caused by influence, maintenance costs is reduced, while reducing the noise pollution of road roller vibroroller cmpacting manufacture.
Description
Technical field
The invention belongs to building material technical field used in road engineering, and in particular to mat formation suitable for overhead quiet stone roller
SMA asphalts.
Background technology
With economic fast development, existing transportation network cannot meet the reality that vehicle fleet size increases sharply instantly,
China's urban transportation shows the trend developed to altitude, three-dimensional direction, and overpass has alleviation urban ground road because of it
Road traffic jam, the effect for improving urban traffic conditions, are increasingly becoming one of emphasis of urban transportation construction.
China's elevated bridge is more to be occurred in the form of Double-layer asphalt concrete pavement, and wherein upper layer is mainly close using skeleton
The SMA asphalts of real structure, according to《Standard specification for construction and acceptance of highway asphalt pavement》(JTG F40-2004) is required, the level is matched somebody with somebody
Type asphalt needs to realize compacting using vibroroller cmpacting technique.
However, conventional vibration rolls making technology does not only exist the risk for damaging the upper and lower agent structure of bridge, and manufacture
Noise severe contamination workmen and surrounding resident.At present, the domestic line city such as Shanghai, Guangzhou increased the overhead drip of limitation
The requirement of blue or green pave-load layer vibroroller cmpacting.Therefore, how to ensure that SMA asphalts are fully compacted under the conditions of quiet stone roller, while again
The design standard of Heavy Traffic can be met, the problem as puzzlement industry.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of to be dripped suitable for the overhead quiet SMA for mating formation that grinds
Blue or green compound；This is applied to the overhead quiet SMA asphalts mated formation that grind and rolls temperature in conventional hot-mix asphalt mixture
There is down excellent construction workability, under the execution conditions of quiet stone roller, the index such as compactness, infiltration coefficient meets code requirement,
And performance of asphalt mixture meets the design standard of Heavy Traffic, reduce because road roller is vibrated to bridge in asphalt mixture surfacing construction
The influence that whole service life is caused, reduces maintenance costs, while reducing the noise pollution of road roller vibroroller cmpacting manufacture.
In order to reach the object of the invention, the technical scheme that the present invention takes is：
Suitable for it is overhead it is quiet grind the SMA asphalts mated formation, comprising gathering materials, filler, fiber stabilizer and pitch knot
Close material, it is characterised in that：
Described is 13.2mm suitable for the overhead quiet nominal maximum aggregate size for grinding the SMA asphalts mated formation；
Described to gather materials including coarse aggregate and fine aggregate, the coarse aggregate is basalt or diabase or limestone, described thin
It is limestone to gather materials；The nominal maximum aggregate size for gathering materials is 13.2mm；
Described filler is limestone dust；
The fiber stabilizer is the composite fibre of polyester fiber or lignin fibre or both, and volume is applied to for described
The 0.1%~0.6% of the SMA quality of asphalt mixtures that overhead quiet stone roller is mated formation；
The asphalt binder is quiet stone roller modified pitch, and volume is the SMA pitches mated formation suitable for overhead quiet stone roller
The 5.5%~6.2% of mixture quality.
Further, it is described to gather materials as follows with filler entirety grading limit：
Further, the asphalt binder includes matrix pitch, modifying agent, wax and lubricant, wherein：
The matrix pitch is 70# matrix pitches；
The modifying agent is SBS, Petropols, aromatic naphtha, levigate diatom
The mixture of native roasting product and assistant agent, the modifying agent addition is the 7%~11% of the asphalt binder quality；It is described
SBS content is the 55%~65% of the modifying agent total amount；The assistant agent bag
Include：Antitack agent, plasticizer and antioxidant；
The wax is waste plastic regeneration wax, and addition is the 1.75%~2.8% of the asphalt binder quality；
The lubricant is ethylenebisstearamide, addition be the asphalt binder quality 0.75%~
1.2%.
Further, the waste plastic regeneration wax is recycle polyethylene plastics, polypropylene plastics, igelite high
One or more in regenerated polythene wax, regenerating polypropylene wax, regeneration polyvinyl chloride wax that anneal crack solution is obtained；The regeneration is poly-
Ethylene waxes, regenerating polypropylene wax, the molecular weight of regeneration polyvinyl chloride wax are 600~4500.
Suitable for the overhead quiet SMA asphalts mated formation that grind in 175~190 DEG C of mixs, quiet stone roller is modified to be dripped the present invention
Blue or green heating and temperature control is between 150~175 DEG C.Under the construction technology of quiet stone roller, compacting is realized, and mixture performance meets weight
Carry the design requirement of traffic.The present invention can realize compacting under quiet stone roller technique, and property indices meet the design of Heavy Traffic
Standard, reduce because asphalt mixture surfacing construction in road roller vibration to bridge whole service life caused by influence, reduce upkeep charges
With while reducing the noise pollution of road roller vibroroller cmpacting manufacture.
Specific embodiment
Embodiment 1：
This be applied to it is overhead it is quiet grind the SMA asphalts mated formation, comprising gathering materials, filler, fiber stabilizer and pitch
Binder, described is 13.2mm suitable for the overhead quiet nominal maximum aggregate size for grinding the SMA asphalts mated formation；It is described to gather materials
Including coarse aggregate and fine aggregate, the coarse aggregate is basalt or diabase or limestone, and the fine aggregate is limestone；It is described
The nominal maximum aggregate size for gathering materials is 13.2mm；Described filler is limestone dust；The fiber stabilizer is polyester fiber or wood
The composite fibre of quality fiber or both, volume is the SMA quality of asphalt mixtures mated formation suitable for overhead quiet stone roller
0.1%~0.6%；The asphalt binder is quiet stone roller modified pitch, and volume is the SMA mated formation suitable for overhead quiet stone roller
The 5.5%~6.2% of quality of asphalt mixtures.
Further, it is described to gather materials as follows with filler entirety grading limit：
The asphalt binder includes matrix pitch, modifying agent, wax and lubricant, wherein：The matrix pitch is 70# bases
Matter pitch；The modifying agent is SBS, Petropols, aromatic naphtha, levigate diatom
The mixture of native roasting product and assistant agent, the modifying agent addition is the 7%~11% of the asphalt binder quality；It is described
SBS content is the 55%~65% of the modifying agent total amount；The assistant agent bag
Include：Antitack agent, plasticizer and antioxidant；The wax is waste plastic regeneration wax, and addition is the asphalt binder quality
1.75%~2.8%；The lubricant is ethylenebisstearamide, and addition is the asphalt binder quality
0.75%~1.2%.The waste plastic regeneration wax is recycle polyethylene plastics, polypropylene plastics, igelite high temperature
One or more in regenerated polythene wax, regenerating polypropylene wax, regeneration polyvinyl chloride wax that cracking is obtained；The poly- second of regeneration
Alkene wax, regenerating polypropylene wax, the molecular weight of regeneration polyvinyl chloride wax are 600~4500.
It is preferably in the present embodiment 1：
Gather materials：Coarse aggregate is basalt, and fine aggregate is limestone, and nominal maximum aggregate size is 13.2mm.
Filler：Limestone dust.
Mineral aggregate gradation is：
| Sieve aperture (mm) | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| Percent of pass (%) | 100 | 94.7 | 64.8 | 26.8 | 21.4 | 18.1 | 15.1 | 13.4 | 12.1 | 9.4 |
Fiber stabilizer：Polyester fiber, accounts for the 0.25% of mixture quality.
Asphalt binder：Asphalt binder accounts for the 5.8% of mixture quality.
In asphalt binder, matrix pitch is Kingsoft petrochemical industry 70# heavy traffic paving asphalts, and addition content is asphalt binder quality
88%；Modifying agent addition content is the 8% of asphalt binder quality；Regeneration polyvinyl chloride wax addition is asphalt binder quality
2.8%；Ethylenebisstearamide addition is the 1.2% of asphalt binder quality.
The asphalt of this example has been applied in the mark overhead new pavement engineering of main line of Pudong New Area, Shanghai Shen Jiang roads 1
In, using quiet stone roller compaction process, the index such as compactness, infiltration coefficient meets code requirement, and current application effect is good.
Embodiment 2：
It is preferably in the present embodiment 2：
Gather materials：Coarse aggregate is basalt, and fine aggregate is limestone, and nominal maximum aggregate size is 13.2mm.
Filler：Limestone dust.
Mineral aggregate gradation is：
| Sieve aperture (mm) | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| Percent of pass (%) | 100 | 95.1 | 67.6 | 26.6 | 22.9 | 19.5 | 16.4 | 14.4 | 13.1 | 10.3 |
Fiber stabilizer：Polyester fiber, accounts for the 0.3% of mixture quality.
Asphalt binder：Asphalt binder accounts for the 5.9% of mixture quality.
In asphalt binder, matrix pitch uses Kingsoft petrochemical industry 70# heavy traffic paving asphalts, and addition content is asphalt binder quality
88%；Modifying agent addition content is the 9.5% of asphalt binder quality；Regeneration polyvinyl chloride wax addition is asphalt binder quality
1.75%；Ethylenebisstearamide addition is the 0.75% of asphalt binder quality.
The asphalt of this example is had been applied in overhead (Pudong Section) the new pavement engineering in Shanghai City Middle Ring Line, completely
Using quiet stone roller compaction process, the index such as compactness meets code requirement, and current application effect is good.
Embodiment 3：
It is preferably in the present embodiment 3：
Gather materials：Coarse aggregate is diabase, and fine aggregate is limestone, and nominal maximum aggregate size is 13.2mm.
Filler：Limestone dust.
Mineral aggregate gradation is：
| Sieve aperture (mm) | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 |
| Percent of pass (%) | 100 | 95.5 | 66.1 | 27.4 | 21.1 | 16.9 | 14.5 | 12.9 | 11.8 | 10.9 |
Fiber stabilizer：Lignin fibre, accounts for the 0.28% of mixture quality.
Asphalt binder：Asphalt binder accounts for the 6.0% of mixture quality.
In asphalt binder, matrix pitch uses South Korea's SK 70# heavy traffic paving asphalts, and addition content is asphalt binder quality
87.5%；Modifying agent addition content is the 9.5% of asphalt binder quality；Regeneration polyvinyl chloride wax addition is asphalt binder matter
The 2.1% of amount；Ethylenebisstearamide addition is the 0.9% of asphalt binder quality.
The asphalt of this example is had been applied in the overhead new pavement engineering in Shanghai City, and real work is rolled using quiet
Skill, current application effect is good.
The present invention is described in detail above, its object is to allow the personage for being familiar with this art to will appreciate that this
The content of invention is simultaneously carried out, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes of the invention
The equivalent change or modification of work, should all cover within the scope of the present invention.
Claims (4)
1. be applied to it is overhead it is quiet grind the SMA asphalts mated formation, comprising gathering materials, filler, fiber stabilizer and pitch are combined
Material, it is characterised in that：
Described is 13.2mm suitable for the overhead quiet nominal maximum aggregate size for grinding the SMA asphalts mated formation；
Described to gather materials including coarse aggregate and fine aggregate, the coarse aggregate is basalt or diabase or limestone, the fine aggregate
It is limestone；The nominal maximum aggregate size for gathering materials is 13.2mm；
Described filler is limestone dust；
The fiber stabilizer is the composite fibre of polyester fiber or lignin fibre or both, and volume is for described suitable for overhead
It is quiet to grind the 0.1%~0.6% of the SMA quality of asphalt mixtures mated formation；
The asphalt binder is quiet stone roller modified pitch, and volume is the SMA pitches mixing mated formation suitable for overhead quiet stone roller
The 5.5%~6.2% of material quality.
It is 2. according to claim 1 quiet to grind the SMA asphalts mated formation for overhead, it is characterised in that：The collection
Material is as follows with filler entirety grading limit：
。
3. it is according to claim 1 quiet to grind the SMA asphalts mated formation for overhead, it is characterised in that the drip
Blue or green binder includes matrix pitch, modifying agent, wax and lubricant, wherein：
The matrix pitch is 70# matrix pitches；
The modifying agent is SBS, Petropols, aromatic naphtha, the roasting of levigate diatomite
The mixture of burning product and assistant agent, the modifying agent addition is the 7%~11% of the asphalt binder quality；The benzene second
Alkene-butadiene-styrene triblock copolymer content is the 55%~65% of the modifying agent total amount；The assistant agent includes：It is anti-
Stick, plasticizer and antioxidant；
The wax is waste plastic regeneration wax, and addition is the 1.75%~2.8% of the asphalt binder quality；
The lubricant is ethylenebisstearamide, and addition is the 0.75%~1.2% of the asphalt binder quality.
It is 4. according to claim 3 quiet to grind the SMA asphalts mated formation for overhead, it is characterised in that：It is described useless
The regenerated polythene that old plastic reclaimed wax is recycle polyethylene plastics, polypropylene plastics, igelite Pintsch process are obtained
One or more in wax, regenerating polypropylene wax, regeneration polyvinyl chloride wax；The regenerated polythene wax, regenerating polypropylene wax, again
The molecular weight of raw polyvinyl chloride wax is 600~4500.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081449.9A CN106810130A (en) | 2017-02-15 | 2017-02-15 | Suitable for the SMA asphalts that overhead quiet stone roller is mated formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081449.9A CN106810130A (en) | 2017-02-15 | 2017-02-15 | Suitable for the SMA asphalts that overhead quiet stone roller is mated formation |
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| Publication Number | Publication Date |
|---|---|
| CN106810130A true CN106810130A (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081449.9A Pending CN106810130A (en) | 2017-02-15 | 2017-02-15 | Suitable for the SMA asphalts that overhead quiet stone roller is mated formation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467339A (en) * | 2018-12-21 | 2019-03-15 | 上海浦兴路桥建设工程有限公司 | A kind of AC asphalt mated formation suitable for overhead quiet stone roller |
| CN114455887A (en) * | 2022-03-25 | 2022-05-10 | 杨小芳 | High-strength asphalt concrete and preparation method thereof |
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2017
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Patent Citations (4)
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| KR20100109753A (en) * | 2009-04-01 | 2010-10-11 | 한국도로공사 | Low noise paving mixture to improve the aggregate gradation |
| CN102531472A (en) * | 2011-12-20 | 2012-07-04 | 上海浦东路桥建设股份有限公司 | Open-gradation storage type asphalt mixture for patching of draining asphalt pavement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467339A (en) * | 2018-12-21 | 2019-03-15 | 上海浦兴路桥建设工程有限公司 | A kind of AC asphalt mated formation suitable for overhead quiet stone roller |
| CN114455887A (en) * | 2022-03-25 | 2022-05-10 | 杨小芳 | High-strength asphalt concrete and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |
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