CN104402314B - A kind of microwave ice removing snow asphalt pavement mixture and preparation method thereof - Google Patents
A kind of microwave ice removing snow asphalt pavement mixture and preparation method thereof Download PDFInfo
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- CN104402314B CN104402314B CN201410583600.5A CN201410583600A CN104402314B CN 104402314 B CN104402314 B CN 104402314B CN 201410583600 A CN201410583600 A CN 201410583600A CN 104402314 B CN104402314 B CN 104402314B
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Abstract
The invention discloses a kind of microwave ice removing snow asphalt pavement mixture, be made up of the raw material of following mass percent: modified pitch 4%～5.5%, coarse aggregate 33%～65%, fine aggregate 25%～55%, breeze 2%～5%, suction ripple powder 1%～5%；It addition, the invention also discloses the method preparing described microwave ice removing snow asphalt pavement mixture, the method is: one, by raw material preheating；Two, stir after raw material being mixed, obtain microwave ice removing snow asphalt pavement mixture.The asphalt pavement mixture making of the present invention is when road crust, road crust can be obviously enhanced and absorb the ability of microwave, microwave penetration ice sheet can make road crust fast heating heat up, ice and snow layer is transferred energy to by conduction of heat, ice and snow layer is made to be molten into aqueous water, so that ice sheet and stripping, use mode manually or mechanically to remove ice and snow the most again, drastically increase the work efficiency of microwave ice removing snow method.
Description
Technical field
The invention belongs to surface feature field of material technology, be specifically related to a kind of microwave ice removing snow asphalt road
Face compound and preparation method thereof.
Background technology
The mountain area of the northern area of China and High aititude generally has the longer ice and snow phase, and have is even more than
Half a year, accumulated snow, accumulated ice cause serious impact to road traffic and airport takeoff and landing.At present,
The deicing method that domestic contrast is conventional has artificial process, Mechanical Method and chemical method.But these methods
Being required to put into substantial amounts of manpower and materials, manual work labor intensity is big, and operation effectiveness is low, and easily makes
Secondary is become to freeze.
In recent years, scholar's developmental research has been had to utilize microwave heating road surface principle by road surface and ice sheet
Separate, and then use the method such as artificial, machinery vibrates thoroughly to remove the microwave ice removing snow method of ice and snow.
Microwave current deicing method is disadvantageous in that: 1. the dielectric loss angle tangent tan δ of ice is the least,
The most not absorbing microwave, and ground surface material absorbs the scarce capacity of microwave, deicing is extremely inefficient；
2. the heating thickness under deicing microwave conventional frequency is tens centimetres, and the energy of road crust is not enough,
Cause energy dissipation, constrain deicing efficiency.
The patent of invention of Patent No. 200910254549.2 and 200910219359.7 discloses profit
Traditional asphalt is completely or partially replaced by magnetic powder and magnetic metallurgical slag or magnetic sand, silicon carbide sand etc.
Calcium carbonate breeze and coarse aggregate in compound, thus obtain and there is microwave absorption asphalt concrete pavement material
The patent of material, it is disadvantageous in that: 1. the microwave absorbing property of different magnetic mineral fines is different, to difference frequency
The absorbability of rate microwave is widely different, the kind of the clearest and the most definite magnetic mineral fine, content, microwave in patent
Frequencies etc. and prepared ground surface material absorb the relation of microwave ability, the most generally；2. magnetic mineral fine with
The displacement ratio of coarse aggregate is too high, and the pavement performance easily causing prepared microwave absorption ground surface material is sent out
Raw large change, high cost simultaneously.
Summary of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, it is provided that one
Plant microwave ice removing snow asphalt pavement mixture and preparation method thereof.This asphalt pavement mixture making in
During road crust, it is possible to be obviously enhanced road crust and absorb the ability of microwave, when using microwave ice removing snow
When method melts ice and snow, microwave can penetrate ice sheet, makes road crust fast heating heat up, by heat
Conduction transfers energy to ice and snow layer, makes ice and snow layer be molten into aqueous water, so that ice sheet and road surface stripping
From, use mode manually or mechanically to remove ice and snow the most again, drastically increase microwave ice removing snow side
The work efficiency of method.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of microwave ice removing snow drip
Blue or green paving mix, it is characterised in that be made up of the raw material of following mass percent: modified pitch
4%～5.5%, coarse aggregate 33%～65%, fine aggregate 25%～55%, breeze 2%～5%, suction ripple powder
1%～5%, the mass percent sum of wherein said breeze and described suction ripple powder is not more than 7%, institute
State and inhale ripple powder mixing by the alumina powder that mass ratio is 1:1 and ferroferric oxide powder；
Described modified pitch is SBS modified pitch or SBR modified pitch, described alumina powder and four oxygen
The granularity changing three iron powder is 50nm～100nm.
Above-mentioned a kind of microwave ice removing snow asphalt pavement mixture, it is characterised in that by following quality
The raw material of percentage ratio is made: modified pitch 4.5%～5.5%, coarse aggregate 43.5%～50%, fine aggregate
37.5%～45%, breeze 2%～4%, suction ripple powder 3%～5%.
Above-mentioned a kind of microwave ice removing snow asphalt pavement mixture, it is characterised in that by following quality
The raw material of percentage ratio is made: modified pitch 5%, coarse aggregate 47%, fine aggregate 41%, breeze 2%,
Inhale ripple powder 5%.
Further, present invention also offers one to prepare above-mentioned microwave ice removing snow bituminous paving such as and mix
The method of material, it is characterised in that the method comprises the following steps:
Step one, modified pitch is preheated to 165 DEG C～170 DEG C, by breeze with after inhaling the mixing of ripple powder
It is preheated to 185 DEG C～195 DEG C, after coarse aggregate and fine aggregate being mixed, is preheated to 190 DEG C～220 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
The present invention compared with prior art has the advantage that
1, the asphalt pavement mixture making of the present invention is when road crust, it is possible to be obviously enhanced road surface
Top layer absorbs the ability of microwave, and when using microwave ice removing snow method to melt ice and snow, microwave can penetrate
Ice sheet, makes road crust fast heating heat up, transfers energy to ice and snow layer by conduction of heat, make ice
Snow deposit is molten into aqueous water, so that ice sheet and stripping, uses side manually or mechanically the most again
Formula removes ice and snow, drastically increases the work efficiency of microwave ice removing snow method.
2, asphalt pavement mixture prepared by the present invention adds alumina powder and ferroso-ferric oxide powder
The mixed-powder at end is as inhaling ripple powder, when preparing asphalt pavement mixture, first will inhale ripple powder
Mix with appropriate breeze, while introducing suction wave energy, give full play to the active function of breeze, by
In when being mixed by each raw material further, after breeze and modified pitch mixing, asphalt mastic can be formed,
Improving the strength and stability of asphalt pavement mixture, therefore the asphalt pavement mixture of the present invention can
In the case of ensureing pavement performance, significantly improve its ability absorbing microwave, this bituminous paving is mixed
Close material and pave on road surface as upper layer through Paving Techniques, in the procedure using microwave ice removing snow
In, the absorption efficiency when microwave road pavement selecting frequency to be 1GHz～10GHz heats is optimal.
3, the asphalt pavement mixture preparation technology of the present invention is simple, relative inexpensiveness, and has
The wider suitability, limits few to region, is suitable for large-scale promotion and uses, avenges equipment with microwave ice removing
It is used in combination, it is possible to quickly peel off road surface ice sheet, significantly improve deicing in winter efficiency.
Below by specific embodiment, technical scheme is described in further detail.
Detailed description of the invention
In the embodiment of the present invention, coarse aggregate, fine aggregate, breeze, SBS modified pitch and SBR are modified
Colophonium is satisfied by " bituminous pavement design for highway specification " (JTG D50-2006) and " highway asphalt road
Surface construction technical specification " associated specifications of (JTG F40-2004), described coarse aggregate is particle diameter
Gathering materials not less than 4.75mm, described fine aggregate is that particle diameter is less than gathering materials of 4.75mm.
Embodiment 1
The present embodiment microwave ice removing snow asphalt pavement mixture, by the raw material system of following mass percent
Become: modified pitch 5%, coarse aggregate 47%, fine aggregate 41%, breeze 2%, suction ripple powder 5%,
Described suction ripple powder is by the alumina powder that mass ratio is 1:1 and the mixing of ferroferric oxide powder
Become；Described modified pitch is SBS modified pitch, and the granularity of described alumina powder is 80nm, four
The granularity of Fe 3 O powder is 50nm, and the present embodiment absorbs the level of the asphalt pavement mixture of microwave
Joining type is AC-13.
The present embodiment is prepared the method for microwave ice removing snow asphalt pavement mixture and is comprised the following steps:
Step one, modified pitch is preheated to 165 DEG C, is preheated to by breeze with after inhaling the mixing of ripple powder
190 DEG C, after coarse aggregate and fine aggregate being mixed, it is preheated to 200 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
Comparative example 1
This comparative example microwave ice removing snow asphalt pavement mixture, by the raw material system of following mass percent
Become: modified pitch 5%, coarse aggregate 47%, fine aggregate 43%, breeze 5%；Described modified pitch is
SBS modified pitch, the gradation types of this comparative example asphalt pavement mixture is AC-13.
The method of asphalt pavement mixture prepared by this comparative example is same as in Example 1, its difference
It is: without inhaling ripple powder in step one.
Embodiment 2
The present embodiment microwave ice removing snow asphalt pavement mixture, by the raw material system of following mass percent
Become: modified pitch 5.5%, coarse aggregate 50%, fine aggregate 37.5%, breeze 2%, suction ripple powder 5%,
Described suction ripple powder is by the alumina powder that mass ratio is 1:1 and the mixing of ferroferric oxide powder
Become；Described modified pitch is SBS modified pitch, and the granularity of described alumina powder is 50nm, four
The granularity of Fe 3 O powder is 100nm, and the present embodiment absorbs the level of the asphalt pavement mixture of microwave
Joining type is AC-13.
The present embodiment is prepared the method for microwave ice removing snow asphalt pavement mixture and is comprised the following steps:
Step one, modified pitch is preheated to 170 DEG C, is preheated to by breeze with after inhaling the mixing of ripple powder
185 DEG C, after coarse aggregate and fine aggregate being mixed, it is preheated to 190 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
Embodiment 3
The present embodiment microwave ice removing snow asphalt pavement mixture, by the raw material system of following mass percent
Become: modified pitch 4.5%, coarse aggregate 43.5%, fine aggregate 45%, breeze 4%, suction ripple powder 3%,
Described suction ripple powder is by the alumina powder that mass ratio is 1:1 and the mixing of ferroferric oxide powder
Become；Described modified pitch is SBS modified pitch, and the granularity of described alumina powder is 100nm, four
The granularity of Fe 3 O powder is 80nm, and the present embodiment absorbs the level of the asphalt pavement mixture of microwave
Joining type is AC-13.
The present embodiment is prepared the method for microwave ice removing snow asphalt pavement mixture and is comprised the following steps:
Step one, modified pitch is preheated to 168 DEG C, is preheated to by breeze with after inhaling the mixing of ripple powder
195 DEG C, after coarse aggregate and fine aggregate being mixed, it is preheated to 220 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
Embodiment 4
The present embodiment microwave ice removing snow asphalt pavement mixture, by the raw material system of following mass percent
Become: modified pitch 5%, coarse aggregate 33%, fine aggregate 55%, breeze 3%, suction ripple powder 4%,
Described suction ripple powder is by the alumina powder that mass ratio is 1:1 and the mixing of ferroferric oxide powder
Become；Described modified pitch is SBR modified pitch, and the granularity of described alumina powder is 60nm, four
The granularity of Fe 3 O powder is 80nm, and the present embodiment absorbs the level of the asphalt pavement mixture of microwave
Joining type is AC-16.
The present embodiment is prepared the method for microwave ice removing snow asphalt pavement mixture and is comprised the following steps:
Step one, modified pitch is preheated to 165 DEG C, is preheated to by breeze with after inhaling the mixing of ripple powder
190 DEG C, after coarse aggregate and fine aggregate being mixed, it is preheated to 200 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
Embodiment 5
The present embodiment microwave ice removing snow asphalt pavement mixture, by the raw material system of following mass percent
Become: modified pitch 4%, coarse aggregate 65%, fine aggregate 25%, breeze 5%, suction ripple powder 1%,
Described suction ripple powder is by the alumina powder that mass ratio is 1:1 and the mixing of ferroferric oxide powder
Become；Described modified pitch is SBR modified pitch, and the granularity of described alumina powder is 75nm, four
The granularity of Fe 3 O powder is 60nm, and the present embodiment absorbs the level of the asphalt pavement mixture of microwave
Joining type is AC-16.
The present embodiment is prepared the method for microwave ice removing snow asphalt pavement mixture and is comprised the following steps:
Step one, modified pitch is preheated to 170 DEG C, is preheated to by breeze with after inhaling the mixing of ripple powder
190 DEG C, after coarse aggregate and fine aggregate being mixed, it is preheated to 210 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
Embodiment 6
The present embodiment microwave ice removing snow asphalt pavement mixture, by the raw material system of following mass percent
Become: modified pitch 4.5%, coarse aggregate 49%, fine aggregate 40%, breeze 3.5%, suction ripple powder 3%,
Described suction ripple powder is by the alumina powder that mass ratio is 1:1 and the mixing of ferroferric oxide powder
Become；Described modified pitch is SBR modified pitch, and the granularity of described alumina powder is 80nm, four
The granularity of Fe 3 O powder is 75nm, and the present embodiment absorbs the level of the asphalt pavement mixture of microwave
Joining type is AC-16.
The present embodiment is prepared the method for microwave ice removing snow asphalt pavement mixture and is comprised the following steps:
Step one, modified pitch is preheated to 165 DEG C, is preheated to by breeze with after inhaling the mixing of ripple powder
185 DEG C, after coarse aggregate and fine aggregate being mixed, it is preheated to 200 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
According to " highway engineering Colophonium and Asphalt Mixture Experiment code " (JTG E20-2011), point
Do not utilize microwave ice removing snow asphalt pavement mixture and the asphalt road of comparative example 1～2 of embodiment 1～6
Face compound prepares rut plate test specimen.
Being 2.45GHz in microwave frequency, transmitting power is 800W, and waveguide mouth distance is 250mm,
Under conditions of room temperature is 29.1 DEG C, utilizes row ripple that each rut plate test specimen is all heated 60s, measure respectively
The surface temperature lift-off value of each rut plate test specimen, each rut plate test specimen is all tested 4 times and is averaged rising
Value, result of the test is as described in Table 1.
The microwave heating test result of table 1 each rut plate test specimen
| Material | Initial temperature (DEG C) | Average end temperature (DEG C) | Average lift-off value (DEG C) |
| The rut plate test specimen of embodiment 1 preparation | 29.1 | 70.8 | 41.7 |
| The rut plate test specimen of comparative example 1 preparation | 29.1 | 48.5 | 19.4 |
| The rut plate test specimen of embodiment 2 preparation | 29.1 | 70.1 | 41.0 |
| The rut plate test specimen of embodiment 3 preparation | 29.1 | 67.8 | 38.7 |
| The rut plate test specimen of embodiment 4 preparation | 29.1 | 66.3 | 37.2 |
| The rut plate test specimen of embodiment 5 preparation | 29.1 | 64.0 | 34.9 |
| The rut plate test specimen of embodiment 6 preparation | 29.1 | 66.6 | 37.5 |
From table 1 it follows that be compared to the bituminous paving utilizing comparative example 1 to be not added with inhaling ripple powder
Rut plate test specimen prepared by compound, utilizes rut plate prepared by the asphalt pavement mixture of embodiment 1～6
Test specimen is under conditions of using microwave heating, and the average lift-off value of surface temperature significantly increases, and this illustrates real
Execute example 1～6 asphalt pavement mixture and there is stronger wave-sucking performance.
Therefore, the present invention is used to absorb the road surface road surface table in the winter time that the asphalt pavement mixture of microwave paves
When layer covers thicker ice and snow and uses microwave ice removing to avenge, the temperature elevation amplitude of road crust can be relatively big, energy
Enough it is greatly enhanced the efficiency of microwave ice removing snow.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every
Any simple modification, change and equivalent structure above example made according to the technology of the present invention essence
Change, all still falls within the protection domain of technical solution of the present invention.
Claims (3)
1. a microwave ice removing snow asphalt pavement mixture, it is characterised in that by following percent mass
The raw material of ratio is made: modified pitch 4.5%～5.5%, coarse aggregate 43.5%～50%, fine aggregate
37.5%～45%, breeze 2%～4%, suction ripple powder 3%～5%, wherein said breeze and described suction ripple
The mass percent sum of powder is not more than 7%, and described suction ripple powder is the oxidation of 1:1 by mass ratio
Mixing of aluminium powder and ferroferric oxide powder；Described modified pitch be SBS modified pitch or
SBR modified pitch, the granularity of described alumina powder and ferroferric oxide powder is
50nm～100nm；
The preparation method of this asphalt pavement mixture comprises the following steps:
Step one, modified pitch is preheated to 165 DEG C～170 DEG C, by breeze with after inhaling the mixing of ripple powder
It is preheated to 185 DEG C～195 DEG C, after coarse aggregate and fine aggregate being mixed, is preheated to 190 DEG C～220 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
2. according to a kind of microwave ice removing snow asphalt pavement mixture described in claim 1, its feature
It is, is made up of the raw material of following mass percent: modified pitch 5%, coarse aggregate 47%, carefully collect
Material 41%, breeze 2%, suction ripple powder 5%.
3. the side preparing microwave ice removing snow asphalt pavement mixture as claimed in claim 1 or 2
Method, it is characterised in that the method comprises the following steps:
Step one, modified pitch is preheated to 165 DEG C～170 DEG C, by breeze with after inhaling the mixing of ripple powder
It is preheated to 185 DEG C～195 DEG C, after coarse aggregate and fine aggregate being mixed, is preheated to 190 DEG C～220 DEG C；
Step 2, will in step one preheating after breeze, inhale ripple powder, modified pitch, coarse aggregate and
Stir 60s after fine aggregate mixing, obtain microwave ice removing snow asphalt pavement mixture.
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| CN201410583600.5A CN104402314B (en) | 2014-10-27 | 2014-10-27 | A kind of microwave ice removing snow asphalt pavement mixture and preparation method thereof |
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| CN107033386B (en) * | 2017-04-14 | 2019-06-14 | 长安大学 | Nanometer iron powder raising pitch is anti-aging or restores the application of road surface heavy metal ion |
| CN109627792B (en) * | 2018-11-30 | 2021-06-08 | 湖南鑫长胜材料科技有限公司 | Fog sealing layer material, preparation method and application |
| CN110698114A (en) * | 2019-10-11 | 2020-01-17 | 中南大学 | Preparation method of silicon carbide modified asphalt concrete |
| CN110981312A (en) * | 2019-12-25 | 2020-04-10 | 长安大学 | Wave-absorbing asphalt concrete for removing ice and snow and preparation method thereof |
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| CN101235208A (en) * | 2008-03-06 | 2008-08-06 | 方远建设集团股份有限公司 | Asphalt capable of being heated by microwave and preparation method thereof |
| CN101736671B (en) * | 2009-12-07 | 2011-06-29 | 长安大学 | Microwave-absorbing asphalt concrete pavement material composition |
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