CN1618886A - Method of raising stone material and asphalt adhesion - Google Patents
Method of raising stone material and asphalt adhesion Download PDFInfo
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- CN1618886A CN1618886A CN 200410079072 CN200410079072A CN1618886A CN 1618886 A CN1618886 A CN 1618886A CN 200410079072 CN200410079072 CN 200410079072 CN 200410079072 A CN200410079072 A CN 200410079072A CN 1618886 A CN1618886 A CN 1618886A
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- building stones
- asphalt
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- silicone emulsion
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Abstract
A process for increasing the adhesion of rock material to asphalt features that the rock material is immersed in the water siloxane emulsion containing organosilicon (0.2-5%) or said emulsion is sprayed onto rock material. Its advantage is high effect.
Description
Technical field:
The present invention relates to a kind of method that improves building stones and asphalt adhesion.
Background technology:
In asphalt pavement construction, pitch is the binding agent of full range of sizes mineral aggregate compound, it bonds together the full range of sizes building stones, form the high bituminous concrete pavement of intensity behind overcompaction, the adhesivity of pitch and building stones how, directly has influence on the work-ing life on road surface, if adhesivity is bad, bituminous pavement is under the effect of water, and pitch makes the road surface produce loose, destruction easily from the building stones sur-face peeling.In order to improve the work-ing life on road surface, job specifications to the technical requirements of oil mat coarse aggregate is: it is 4 grades that Class I highway, motorway require asphalt adhesion, and it is 3 grades that other standard highway requires.In order to improve building stones and bituminous adhesivity, adopt following method at present: 1, in the oil mat construction, in pitch, add development of anti stripping agent for asphalt.This method cost height is handled asphalt per ton and is needed about 50 yuan antistripping agent, and needs to increase in asphalt tank agitating procedure, technology more complicated.2, for the acidity of selecting for use, weakly alkaline building stones, add liming or lime powder or cement etc. therein, to increase and the bituminous adhesivity.Though adopt this method can improve building stones and bituminous adhesivity, because of temperature in the construction is lower, liming or lime powder or cement etc. all do not produce chemical reaction with pitch basically, and the adhesivity of pitch and building stones still can not satisfy service requirements.Bituminous concrete pavement general life is 15 years, but will overhaul every 8 years in only 8 years work-ing life usually, and sometimes even 3 to 5 years will cover or overhaul, building stones and bituminous poor adhesion be one of reasons that causes the road surface early damage.
Summary of the invention:
The object of the present invention is to provide a kind of low method of building stones and asphalt adhesion and cost that significantly improves.
Technical scheme of the present invention is: be the water-based silicone emulsion immersion of 0.2-5% or spray building stones with organosilicon content.
As a kind of improvement technical scheme of the present invention: the soak time that the use silicone emulsion soaks building stones is more than 20 seconds.
As a kind of improvement technical scheme of the present invention: building stones per ton need spray water-based silicone emulsion 10-20 kilogram.
Among the present invention, when selecting the immersion treatment mode for use, as long as building stones are placed the water-based silicone emulsion, taking-up gets final product at once subsequently, and soak time does not have strict requirement.After building stones are dried,, mix and make asphalt with present ordinary method and pitch mix.
Among the present invention; when selecting the sprinkling processing mode for use; can adopt the mechanical system rapid scale to handle; its structure mainly is by the building stones transport portion and sprays and handle the building stones part; handle building stones in sprinkling vibratory screening apparatus partly is set; partly be covered with water jet standpipe at vibratory screening apparatus, on the water spray pipe, be covered with pore to the building stones direction.Like this, when dry building stones are transported to the vibratory screening apparatus place, current just spray equably continuously, wash building stones, have improved processing speed.
Progress of the present invention:
Adopt method of the present invention to handle building stones, building stones and asphalt adhesion significantly improve, and adhesivity can reach 5 grades, and the stability of asphalt is significantly improved, prolongation road work-ing life.
Adopt method of the present invention to handle building stones, the general water-based silicone emulsion that only needs about 25 yuan of asphalt per ton, cost is low.
Treated acid stone, its adhesion property can reach 5 grades in the same old way, as long as building stones can satisfy standards such as intensity, just can be used in the highway surface layer like this, all can use as the building stones that can not be used for the high class pavement antiskid layer before rotten basalt, andesite, grouan, the diabase etc.When pavement construction is selected building stones, can gather materials on the spot, reduce investment outlay, reduce construction costs, create beneficial result.
Strengthen the rutting resistance on road surface, improved water repelling property, will prolong the work-ing life on road surface greatly, and reduced construction costs, can bring great economic benefit and social benefit.
Embodiment:
Embodiment 1
It is that soak time 10 seconds is taken out building stones in 5.0% the water-based silicone emulsion that rotten basalt building stones are soaked in organosilicon content, after building stones are dried,, mix and make asphalt with present ordinary method and pitch mix, after testing, adhesivity can reach 5 grades.
Embodiment 2
It is in 1.5% the water-based silicone emulsion that the diabase building stones are soaked in organosilicon content, and soak time 25 seconds is taken out building stones, after building stones are dried,, mix and make asphalt with present ordinary method and pitch mix, after testing, adhesivity can reach 5 grades.
Embodiment 3
Getting 1 ton of andesite building stones, is that 1.8% water-based silicone emulsion evenly sprays processing with 10 kilograms of organosilicon content, after building stones are dried, with present ordinary method and pitch mix, mixes and makes asphalt, and after testing, adhesivity can reach 5 grades.
Embodiment 4
Getting 1 ton of granite, is that 2.5% water-based silicone emulsion evenly sprays processing with 15 kilograms of organosilicon content, after building stones are dried, with present ordinary method and pitch mix, mixes and makes asphalt, and after testing, adhesivity can reach 5 grades.
Embodiment 5
Getting 1 ton of basalt building stones, is that 0.2% water-based silicone emulsion evenly sprays processing with 20 kilograms of organosilicon content, after building stones are dried, with present ordinary method and pitch mix, mixes and makes asphalt, and adhesivity can reach 5 grades.
Claims (3)
1, a kind of method that improves building stones and asphalt adhesion is characterized in that: be the water-based silicone emulsion immersion of 0.2-5% or spray building stones with organosilicon content.
2, method according to claim 1 is characterized in that: the soak time of described immersion building stones is more than 20 seconds.
3, method according to claim 1 is characterized in that: building stones per ton need spray water-based silicone emulsion 10-20 kilogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410079072 CN1618886A (en) | 2004-09-30 | 2004-09-30 | Method of raising stone material and asphalt adhesion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410079072 CN1618886A (en) | 2004-09-30 | 2004-09-30 | Method of raising stone material and asphalt adhesion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1618886A true CN1618886A (en) | 2005-05-25 |
Family
ID=34765526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410079072 Pending CN1618886A (en) | 2004-09-30 | 2004-09-30 | Method of raising stone material and asphalt adhesion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1618886A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587742A (en) * | 2016-12-16 | 2017-04-26 | 长安大学 | Method for improving interface adhesion between glass aggregate and asphalt by using nanometer iron oxide |
| CN114477826A (en) * | 2022-01-17 | 2022-05-13 | 西安理工大学 | Preparation device and preparation method of asphalt concrete containing modified acid aggregate |
| CN114560642A (en) * | 2022-01-17 | 2022-05-31 | 西安理工大学 | Two-stage modification device and method for high-hydrophobicity asphalt concrete acidic aggregate |
-
2004
- 2004-09-30 CN CN 200410079072 patent/CN1618886A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587742A (en) * | 2016-12-16 | 2017-04-26 | 长安大学 | Method for improving interface adhesion between glass aggregate and asphalt by using nanometer iron oxide |
| CN106587742B (en) * | 2016-12-16 | 2018-10-30 | 长安大学 | A method of improving glass using nano-sized iron oxide and gathers materials the interfacial adhesion power between pitch |
| CN114477826A (en) * | 2022-01-17 | 2022-05-13 | 西安理工大学 | Preparation device and preparation method of asphalt concrete containing modified acid aggregate |
| CN114560642A (en) * | 2022-01-17 | 2022-05-31 | 西安理工大学 | Two-stage modification device and method for high-hydrophobicity asphalt concrete acidic aggregate |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |