CN103588422A - Modified asphalt concrete with road surface temperature self-control function, and preparation method thereof - Google Patents
Modified asphalt concrete with road surface temperature self-control function, and preparation method thereof Download PDFInfo
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- CN103588422A CN103588422A CN201310488591.7A CN201310488591A CN103588422A CN 103588422 A CN103588422 A CN 103588422A CN 201310488591 A CN201310488591 A CN 201310488591A CN 103588422 A CN103588422 A CN 103588422A
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- asphalt
- chalcopyrite
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- lead glance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a road surface material with temperature self-control and air purification functions, and the road surface material is prepared from the following raw materials in percentage by weight: 69-92% of base asphalt, 4-15% of galentie, 1-12% of copper pyrites, and 1-4% of auxiliaries, wherein the auxiliaries are a silane coupling agent and a titanate coupling agent, and the percentage sum of the raw materials is 100%. According to the road surface material with the temperature self-control and air purification functions, a cooling function under the high-temperature condition is remarkable on the basis of the excellent characteristics of galentie and the copper pyrites, and the road surface material has a heat storage function under low-temperature conditions, and also has the air purification function. The road surface material is low in cost, simple in process, convenient to construct, environment-friendly and non-dirt, and capable of effectively improving the usability of asphalt road surfaces.
Description
Technical field
The invention belongs to pavement material technical field, be specifically related to a kind ofly there is temp auto-controlled and purify air the ground surface material of effect.
Background technology
In China's expressway construction engineering, due to bituminous pavement to have driving comfortable, the advantage such as noise is low, easy-maintaining, more than 90% high grade pavement adopts bituminous pavement.Yet, the many asphalt pavement of highway of China are after building up operation, because making road surface, the variation of weather and envrionment temperature produces height warm disease evil in various degree, greatly shortened the working life on road surface, cause many motorways to enter in advance overhaul or transformation phase, caused a large amount of financial losses.Significantly coming into operation of simultaneous High Grade Bitumen Pavement, the exhaust gas emission in Vehicle Driving Cycle process has also caused motorway pollution and the destruction of environment on the way.Therefore, development of new environment protection pavement material solves the height warm disease evil of bituminous pavement and reduces the problems such as automobile emission and just seems particularly crucial.
In recent years, inorganic asphalt modifier is pollution-free with himself, has higher mechanochemistry stability, and there is not saturation limit, and sustainable use, repeating utilization factor is higher, the series of advantages such as weather resistance is strong, show up prominently in the material modified field of bituminous pavement gradually.Take inorganic mineral class as research direction, and the modifying asphalt of developing a kind of novel environment friendly is significant to alleviating the height warm disease evil of bituminous concrete pavement and reducing automobile emission.
Summary of the invention
The invention provides and a kind ofly there is temp auto-controlled and purify air the ground surface material of effect.It is main raw material that this pavement cooling material be take lead glance and chalcopyrite, rationally utilized the good characteristic of lead glance and chalcopyrite, the cooling material of this material research different from the past, not only temp auto-controlled effect is remarkable, there is the effect of purifying air, and cost is lower, technique simple, easy construction, environment friendly and pollution-free simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
, it is characterized in that, by the mixed raw material of following weight part, become: basic asphalt: 69～92%, lead glance: 4～15%, chalcopyrite: 1～12%, auxiliary agent: 1～4%, each mass percent sum is 100%; Wherein basic asphalt is that bi tumenf orr oad, coal-tar pitch, SBS modifying asphalt, SBR modifying asphalt or natural rubber modifying asphalt are wherein a kind of; Described auxiliary agent is silane coupling agent, titanate coupling agent coupling agent, and object is that lead glance and chalcopyrite are carried out to modification, improves the consistency of the two and pitch.
The present invention also has following other technologies feature:
Further, the preferred version of raw material and mass percent is: basic asphalt: 75～82%, and lead glance: 10～13%, chalcopyrite: 5～10%, auxiliary agent: 2～3%.
Further, raw material and mass percent preferred plan are: basic asphalt: 79.4%, and lead glance: 12%, chalcopyrite: 6.2%, auxiliary agent: 2.4%.
The preparation method of pavement cooling material of the present invention is: step 1: according to following mass percent selective reaction raw material: basic asphalt: 69～92%, and lead glance: 4～15%, chalcopyrite: 1～12%, auxiliary agent: 1～4%, each mass percent sum is 100%; Wherein basic asphalt is that bi tumenf orr oad, coal-tar pitch, SBS modifying asphalt, SBR modifying asphalt or natural rubber modifying asphalt are wherein a kind of; Described auxiliary agent is silane coupling agent, titanate coupling agent coupling agent;
Step 2: by basic asphalt melting, remain on 70～120 ℃;
Step 3: press reaction raw materials mass percent and add lead glance, chalcopyrite and auxiliary agent in molten asphalt, stir 3min with agitator, each component is mixed;
Step 4: lead glance and chalcopyrite composite modified asphalt are warming up to 160～180 ℃, stir 30min, lead glance, chalcopyrite and auxiliary agent are fully mixed with basic asphalt, can obtain temp auto-controlled and purify air ground surface material.
The present invention compared with prior art has the following advantages:
1, disclosed by the invention have temp auto-controlled and the ground surface material of the effect that purifies air, and the good characteristic based on lead glance and chalcopyrite is remarkable in hot conditions borehole cooling effect, has heat accumulation effect under cold condition, also has the effect purifying air simultaneously.
2, cost of the present invention is low, technique simple, easy construction, environment friendly and pollution-free, can effectively improve Service Performance of Asphalt Pavement.
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment
Embodiment 1
Having temp auto-controlled and purifying air the ground surface material of effect of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt: 93.49%, and lead glance: 4.68%, chalcopyrite: 1.83%
The temp auto-controlled that has of the present embodiment with the preparation method of the ground surface material of the effect that purifies air is: by basic asphalt melting, remain on 70～120 ℃; In molten asphalt, add in proportion lead glance, chalcopyrite, with agitator, stir 3min, each component is mixed; Be warming up to 160～180 ℃, stir 30min, lead glance, chalcopyrite are fully mixed with basic asphalt, can obtain temp auto-controlled and purify air ground surface material.
Embodiment 2
Having temp auto-controlled and purifying air the ground surface material of effect of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt: 91.8%, and lead glance: 4.6%, chalcopyrite: 1.8%, auxiliary agent 1.8%; Described auxiliary agent is silane coupling agent;
The temp auto-controlled that has of the present embodiment with the preparation method of the ground surface material of the effect that purifies air is: by basic asphalt melting, remain on 70～120 ℃; In molten asphalt, add in proportion lead glance, chalcopyrite and auxiliary agent, with agitator, stir 3min, each component is mixed; Be warming up to 160～180 ℃, stir 30min, lead glance, chalcopyrite and auxiliary agent are fully mixed with basic asphalt, can obtain temp auto-controlled and purify air ground surface material.
Embodiment 3
Having temp auto-controlled and purifying air the ground surface material of effect of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt 84.7%, lead glance 8.5%, chalcopyrite 4.3%, auxiliary agent 2.5%.
The preparation method of the pavement cooling material of the present embodiment is identical with embodiment 2.
Embodiment 4
Having temp auto-controlled and purifying air the ground surface material of effect of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt 77.5%, lead glance 11.6%, chalcopyrite 7.8%, auxiliary agent 3.1%.
The preparation method of the pavement cooling material of the present embodiment is identical with embodiment 2.
Embodiment 5
The pavement cooling material of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt 79.4%, lead glance 12%, chalcopyrite 6.2%, auxiliary agent 2.4%.
The preparation method of the pavement cooling material of the present embodiment is identical with embodiment 2.
Embodiment 6
The pavement cooling material of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt 75%, lead glance 13%, chalcopyrite 9%, auxiliary agent 3%.
The preparation method of the pavement cooling material of the present embodiment is identical with embodiment 2.
Embodiment 7
Having temp auto-controlled and purifying air the ground surface material of effect of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt 71.4%, lead glance 14.3%, chalcopyrite 10.7%, auxiliary agent 3.6%.
The preparation method of the pavement cooling material of the present embodiment is identical with embodiment 2.
Embodiment 8
The pavement cooling material of the present embodiment, is comprised of following raw material and mass percent thereof: basic asphalt 69%, lead glance 15.9%, chalcopyrite 11.7%, auxiliary agent 3.4%.
The preparation method of the pavement cooling material of the present embodiment is identical with embodiment 2.
Fundamental property to pavement cooling material of the present invention detects, and the pavement cooling material of embodiment 1 to embodiment 7 is sprayed on respectively to plain asphalt compound rut plate surface, then cling property test, water resistance test and road table temperature test test are carried out in the rut plate surface after spraying, concrete test method is as follows:
One, the basic pavement performance of pavement cooling material
According to < < highway engineering pitch and Asphalt Mixture Experiment rules > > (JTG E20-2011), carry out the basic pavement performance test of modifying asphalt, test-results is in Table 1.
The basic pavement performance of table 1
As can be seen from Table 1, lead glance and chalcopyrite composite modified asphalt have good pavement performance, meet < < standard specification for construction and acceptance of highway asphalt pavement > > (JTG F40-2004) requirement.
Er, road table humid test
Prepare 24 blocks of common AC-13 asphalt rut plates, be divided into eight groups, four every group, to wherein one group do not add as a control group the additives such as lead glance, chalcopyrite, all the other the seven groups additives such as lead glance, chalcopyrite of admixture embodiment 1 to embodiment 7 respectively.Choose certain the highest period of temperature in one day summer, rut plate, after outdoor placement 48h, is tested rut plate surface temperature and free air temperature simultaneously, test-results is in Table 2; Choose certain the highest period of temperature in one day winter, rut plate, after outdoor placement 24h, is tested rut plate surface temperature and free air temperature simultaneously, test-results is in Table 3.
Table 2 rut plate surface temperature and free air temperature
Table 3 rut plate surface temperature and free air temperature
As can be seen from Table 2, in summer, the rut plate surface temperature that the present invention has temp auto-controlled and prepared by the ground surface material of the effect that purifies air is starkly lower than the surface temperature of the matrix pitch rut plate that does not spray cooling material, show can significantly reduce bituminous pavement surface temperature at road surfaces making ground surface material of the present invention, effectively stop the diseases such as road surface high temperature rut to form.
As can be seen from Table 3, in the winter time, the rut plate surface temperature that the present invention has temp auto-controlled and prepared by the ground surface material of the effect that purifies air is apparently higher than the surface temperature of not spraying the matrix pitch rut plate of cooling material, show can significantly keep bituminous pavement surface temperature at road surfaces making ground surface material of the present invention, effectively stop road surface low temperature disease to form.
From table 2 and table 3, can find out, no matter it is winter or summer, under the lead glance condition identical with chalcopyrite volume, do not add the temperature control performance of modified asphalt mixture of auxiliary agent than modified asphalt mixture poor of mixing auxiliary agent, illustrate and mix after auxiliary agent, can improve the consistency of pitch and lead glance and chalcopyrite, the self-regulating performance of lead glance and chalcopyrite is better brought into play.
Three, road surface purifying air test
Adopt the modified asphalt concrete moulding rut plate of embodiment 1 to embodiment 7, respectively 7 groups of rut plates are positioned in airtight tails assay equipment, pass into vehicle exhaust, through after a period of time, adopt the variation of gas content in exhaust analyzer testing apparatus, and carry out performance comparison with the asphalt concrete that does not add lead glance, chalcopyrite, and analyze the effect that purifies air of modified asphalt concrete of the present invention, test-results is as shown in table 4.
As can be seen from Table 4, asphalt concrete does not have the effect purifying air substantially.Adopt the present invention to there is effectively NO in purifying automobile tail gas of modified asphalt concrete prepared by temp auto-controlled and the effect ground surface material that purifies air
x, the gas such as HC compound, CO, and the effect that purifies air is remarkable; And under the lead glance condition identical with chalcopyrite volume, do not add the Performance Ratio that purifies air of the modified asphalt mixture of auxiliary agent to mix modified asphalt mixture poor of auxiliary agent, illustrate and mix after auxiliary agent, can improve the consistency of pitch and lead glance and chalcopyrite, the performance that purifies air of lead glance and chalcopyrite is better brought into play.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any restriction, every any simple modification of above embodiment being done according to invention technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solution of the present invention.
Claims (6)
1. there is temp auto-controlled and a ground surface material for the effect that purifies air, it is characterized in that, by following raw material and quality, formed: basic asphalt: 69～92%, lead glance: 4～15%, chalcopyrite: 1～12%, auxiliary agent: 1～4%, each mass percent sum is 100%; Wherein basic asphalt is that bi tumenf orr oad, coal-tar pitch, SBS modifying asphalt, SBR modifying asphalt or natural rubber modifying asphalt are wherein a kind of; Described auxiliary agent is silane coupling agent, titanate coupling agent coupling agent.
2. having temp auto-controlled and purifying air the ground surface material of effect described in 1 as requested, is characterized in that: the preferred version of raw material and mass percent is: basic asphalt: 75～82%, and lead glance 10～13%, chalcopyrite 5～10%, part auxiliary agent 2～3%.
As requested described in 1 having from temperature with purify air the ground surface material of effect, it is characterized in that: raw material and mass percent preferred plan are: basic asphalt: 79.4%, lead glance: 12%, chalcopyrite: 6.2%, auxiliary agent: 2.4%.
4. the ground surface material with temp auto-controlled and the effect that purifies air described in preparation claim 1-3 any one claim, is characterized in that: the method comprises the steps:
Step 1: according to following mass percent selective reaction raw material: basic asphalt: 69～92%, lead glance: 4～15%, chalcopyrite: 1～12%, auxiliary agent: 1～4%, each mass percent sum is 100%; Wherein basic asphalt is that bi tumenf orr oad, coal-tar pitch, SBS modifying asphalt, SBR modifying asphalt or natural rubber modifying asphalt are wherein a kind of; Described auxiliary agent is the coupling agents such as silane coupling agent, titanate coupling agent;
Step 2: lead glance and chalcopyrite are mixed in proportion, add in the coupling agent treatment liquid of making solvent by ethanol and soak 2 hours after oven dry, gentle agitation in immersion process, makes lead glance and the chalcopyrite composite modifier of surface modification after oven dry.
Step 3: press reaction raw materials mass percent and add lead glance and the chalcopyrite composite modifier through surface modification in molten asphalt, stir 3min with agitator, each component is mixed;
Step 4: the composite modified asphalt that step 3 is made is warming up to 160～180 ℃, stirs 30min, and lead glance and chalcopyrite composite modifier are fully mixed with basic asphalt, can obtain temp auto-controlled and purify air ground surface material.
5. method as claimed in claim 4, is characterized in that: the reaction raw materials raw material of step 1 and the preferred version of mass percent are: basic asphalt: 75～82%, and lead glance 10～13%, chalcopyrite 5～10%, part auxiliary agent 2～3%.
6. the method as described in claim 4 or 5, is characterized in that: described raw material and mass percent preferred plan are: basic asphalt: 79.4%, and lead glance: 12%, chalcopyrite: 6.2%, auxiliary agent: 2.4%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310488591.7A CN103588422B (en) | 2013-10-17 | 2013-10-17 | Modified asphalt concrete with road surface temperature self-control function, and preparation method thereof |
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| CN201310488591.7A CN103588422B (en) | 2013-10-17 | 2013-10-17 | Modified asphalt concrete with road surface temperature self-control function, and preparation method thereof |
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| CN103588422A true CN103588422A (en) | 2014-02-19 |
| CN103588422B CN103588422B (en) | 2015-04-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689719A (en) * | 2020-06-19 | 2020-09-22 | 广东水电二局股份有限公司 | Basalt fiber reinforced asphalt concrete and preparation method thereof |
| CN115491046A (en) * | 2022-08-26 | 2022-12-20 | 长安大学 | Modified asphalt with long-acting self-cleaning function, cleaning modifier and preparation method |
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| RU2143309C1 (en) * | 1998-08-05 | 1999-12-27 | Богуславский Евгений Иосифович | Gravity-inertia deduster |
| CN101445338A (en) * | 2008-11-27 | 2009-06-03 | 武汉理工大学 | Method for producing wet-mixing, skid-resistance and noise-reduction asphalt road surface material |
| CN102849990A (en) * | 2012-09-29 | 2013-01-02 | 长安大学 | Modified asphalt concrete with road surface cooling function |
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2013
- 2013-10-17 CN CN201310488591.7A patent/CN103588422B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB580454A (en) * | 1943-05-05 | 1946-09-09 | Shell Dev | Oil-base drilling fluids |
| RU2143309C1 (en) * | 1998-08-05 | 1999-12-27 | Богуславский Евгений Иосифович | Gravity-inertia deduster |
| CN101445338A (en) * | 2008-11-27 | 2009-06-03 | 武汉理工大学 | Method for producing wet-mixing, skid-resistance and noise-reduction asphalt road surface material |
| CN102849990A (en) * | 2012-09-29 | 2013-01-02 | 长安大学 | Modified asphalt concrete with road surface cooling function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689719A (en) * | 2020-06-19 | 2020-09-22 | 广东水电二局股份有限公司 | Basalt fiber reinforced asphalt concrete and preparation method thereof |
| CN115491046A (en) * | 2022-08-26 | 2022-12-20 | 长安大学 | Modified asphalt with long-acting self-cleaning function, cleaning modifier and preparation method |
| CN115491046B (en) * | 2022-08-26 | 2023-06-27 | 长安大学 | Modified asphalt with long-acting self-cleaning function, cleaning modifier and preparation method |
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| CN103588422B (en) | 2015-04-15 |
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