CN104529261B - A kind of micro-surfacing mixture and preparation method thereof - Google Patents
A kind of micro-surfacing mixture and preparation method thereof Download PDFInfo
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- CN104529261B CN104529261B CN201510021275.8A CN201510021275A CN104529261B CN 104529261 B CN104529261 B CN 104529261B CN 201510021275 A CN201510021275 A CN 201510021275A CN 104529261 B CN104529261 B CN 104529261B
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Abstract
The invention discloses a kind of micro-surfacing mixture, it is made up of the raw material of following mass percent: basalt granule 42%～48%, Anhydrite granule 30%～36%, feldspar micro powder 1%～3%, bournonite micropowder 1%～3%, triethanolamine 2%～3%, auxiliary agent 1%～2%, water 6%～8%, modified emulsifying asphalt 6%～8%；It addition, a kind of method that the invention also discloses described micro-surfacing mixture.The micro-surfacing mixture of the present invention utilizes the higher comprcssive strength of Anhydrite granule self, adhesiveness good between stronger chemical stability and itself and modified emulsifying asphalt, the micro-surfacing mixture prepared is made to have excellent wear-resisting and antiskid performance, in addition, by adding mushy material feldspar micro powder and having the bournonite micropowder of thermoelectricity capability in raw material, the micro-surfacing mixture prepared is made to have cooling noise reduction and the function of adsorption vehicle tail gas.
Description
Technical field
The invention belongs to road coating material technical field, be specifically related to a kind of micro-surfacing mixture and preparation method thereof.
Background technology
At present, a large amount of highway of China has been enter into the maintenance phase, and the maintenance work of asphalt pavement of highway more comes
More come into one's own, micro-surfacing mixture as a kind of easy construction, environmental pollution is little, cheap, exploitation traffic is fast, use the longevity
The road surface preventive maintenance method that life is long, has been obtained for extensively applying abroad, has just enjoyed since within 2000, entering China
Pay close attention to, and promoted rapidly.But micro-surface area method generally uses high-quality building stones at present, along with a large amount of pavings of highway
Building, high-quality building stones are fewer and feweri, and some area produces the building stones such as basalt the most hardly, and these regional conditions cause road surface to be supported
Protective material cost remains high, and after existing micro-surface area making, early strength is low, needs close traffic to carry out maintenance, high temperature Rut resistance
Poor performance, opposing permanent deformation energy and durability, anti-slide performance are decayed quickly, frequently occur and seriously fall the phenomenon such as grain, decortication.
Therefore, it is a kind of wear-resisting functional with antiskid that prior art is badly in need of exploitation, and can effectively reduce pavement temperature, alleviates Urban Thermal
The micro-surfacing mixture of island effect, in order to meet the multiple requirement of maintenance of surface.
Summary of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, it is provided that a kind of micro-surface area mixes
Close material.This micro-surfacing mixture utilizes the higher comprcssive strength of Anhydrite granule self, stronger chemical stability and its with
Adhesiveness good between modified emulsifying asphalt, makes the micro-surfacing mixture prepared have excellent wear-resisting and skid resistance
Can, additionally, by adding mushy material feldspar micro powder and there is the bournonite micropowder of thermoelectricity capability in raw material, make to prepare
Micro-surfacing mixture there is cooling noise reduction and the function of adsorption vehicle tail gas.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of micro-surfacing mixture, its feature exists
In, it to be made up of the raw material of following mass percent: basalt granule 42%～48%, Anhydrite granule 30%～36%, Anhydrite is micro-
Powder 1%～3%, bournonite micropowder 1%～3%, triethanolamine 2%～3%, auxiliary agent 1%～2%, water 6%～8%, modified milk
Change Colophonium 6%～8%；Described auxiliary agent is potassium sorbate and/or double imidazolidinyl urea.
Above-mentioned a kind of micro-surfacing mixture, it is characterised in that be made up of the raw material of following mass percent: basalt
Grain 43%～46%, Anhydrite granule 31%～35%, feldspar micro powder 2%～3%, bournonite micropowder 2%～3%, triethanolamine
2%～2.5%, auxiliary agent 1%～1.5%, water 6%～7%, modified emulsifying asphalt 7%～8%.
Above-mentioned a kind of micro-surfacing mixture, it is characterised in that be made up of the raw material of following mass percent: basalt
Grain 45%, Anhydrite granule 33%, feldspar micro powder 3%, bournonite micropowder 2%, triethanolamine 2%, auxiliary agent 1%, water 7%, modified
Emulsified asphalt 7%.
Above-mentioned a kind of micro-surfacing mixture, it is characterised in that the nominal maximum particle diameter of described basalt granule is not more than
9.5mm, the particle diameter of described Anhydrite granule is not more than 4.75mm, and the particle diameter of described bournonite micropowder and feldspar micro powder is respectively less than
0.075mm, described modified emulsifying asphalt is SBS modified emulsifying asphalt or SBR modified emulsifying asphalt.
It addition, present invention also offers a kind of preparation method preparing above-mentioned micro-surfacing mixture, it is characterised in that the party
Method comprises the following steps:
Step one, triethanolamine is dissolved in the water, after stirring, obtains triethanolamine solution；
Step 2, basalt granule, Anhydrite granule, feldspar micro powder and bournonite micropowder are added in blender, in stirring
Speed is stirring 90s～100s under conditions of 60rpm～100rpm, obtains middle compound；
Step 3, triethanolamine solution described in auxiliary agent and step one is added in the middle of described in step 2 in compound,
Under conditions of stir speed (S.S.) is 60rpm～100rpm, stirs 10s～15s, obtains micro-surfacing mixture.
The present invention compared with prior art has the advantage that
1, the present invention utilize the higher comprcssive strength of Anhydrite granule self, stronger chemical stability and Anhydrite granule with
Adhesiveness good between modified emulsifying asphalt, makes the micro-surfacing mixture prepared have excellent wear-resisting and skid resistance
Can, additionally, by adding mushy material feldspar micro powder and there is the bournonite micropowder of thermoelectricity capability in raw material, make to prepare
Micro-surfacing mixture there is cooling noise reduction and the function of adsorption vehicle tail gas.
2, the micro-surfacing mixture of the present invention with the addition of appropriate Anhydrite granule, decrease the consumption of basalt granule,
Owing to Anhydrite granule is mineral common in the earth's crust, cheap, it is applied in micro-surfacing mixture of the present invention greatly reduce
The cost of maintenance of surface.
3, the triethanolamine used in the present invention has the function of absorbing carbon dioxide, the micro-surfacing mixture prepared
The carbon dioxide in vehicle exhaust and air can be absorbed to a certain extent, and triethanolamine is highly soluble in water, have very well
Dispersibility, easy to use.
4, the preparation method of the micro-surfacing mixture of the present invention is simple, it is easy to operation, and cost of material is low, has good
Economic benefit.
Below by embodiment, technical scheme is described in further detail.
Detailed description of the invention
Embodiment 1
The micro-surfacing mixture of the present embodiment is made up of the raw material of following mass percent: basalt granule 45%, Anhydrite
Granule 33%, feldspar micro powder 3%, bournonite micropowder 2%, triethanolamine 2%, auxiliary agent 1%, water 7%, modified emulsifying asphalt 7%；
Described auxiliary agent is potassium sorbate, and described modified emulsifying asphalt is SBS modified emulsifying asphalt, and the nominal of described basalt granule is maximum
Particle diameter is not more than 9.5mm, and the particle diameter of described Anhydrite granule is not more than 4.75mm, described bournonite micropowder and the particle diameter of feldspar micro powder
Being respectively less than 0.075mm, the gradation types of the present embodiment micro-surfacing mixture meets MS-3 type seriality gradation design (concrete grating
Composition is shown in Table 1).
Table 1MS-3 type seriality gradation design
The present embodiment is prepared the preparation method of micro-surfacing mixture and is comprised the following steps:
Step one, triethanolamine is soluble in water, obtain triethanolamine solution after stirring；
Step 2, basalt granule, Anhydrite granule, feldspar micro powder and bournonite micropowder are added in blender, in stirring
Speed is stirring 95s under conditions of 80rpm, obtains middle compound；
Step 3, solution described in auxiliary agent and step one is added in the middle of described in step 2 in compound, in stirring speed
Rate is stirring 12s under conditions of 80rpm, obtains micro-surfacing mixture.
Comparative example 1
The micro-surfacing mixture of this comparative example is made up of the raw material of following mass percent: basalt granule 47%, Anhydrite
Granule 36%, triethanolamine 2%, auxiliary agent 1%, water 7%, modified emulsifying asphalt 7%；Described auxiliary agent is potassium sorbate, described in change
Property emulsified asphalt is SBS modified emulsifying asphalt, and the nominal maximum particle diameter of described basalt granule is not more than 9.5mm, described Anhydrite
The particle diameter of granule is not more than 4.75mm, and the particle diameter of described feldspar micro powder is less than 0.075mm, the level of this comparative example micro-surfacing mixture
Join type and meet MS-3 type seriality gradation design (concrete gradation composition is shown in Table 1).
The preparation method of this comparative example micro-surfacing mixture is same as in Example 1, and difference therein is: step 2
Without bournonite micropowder and feldspar micro powder in compound in the middle of described in.
Comparative example 2
The micro-surfacing mixture of this comparative example is made up of the raw material of following mass percent: basalt granule 78%, Anhydrite
Micropowder 3%, bournonite micropowder 2%, triethanolamine 2%, auxiliary agent 1%, water 7%, modified emulsifying asphalt 7%；Described auxiliary agent is mountain
Potassium sorbate, described modified emulsifying asphalt is SBS modified emulsifying asphalt, and the nominal maximum particle diameter of described basalt granule is not more than
9.5mm, the particle diameter of described bournonite micropowder and feldspar micro powder is respectively less than 0.075mm, the grating of this comparative example micro-surfacing mixture
Type meets MS-3 type seriality gradation design (concrete gradation composition is shown in Table 1).
The preparation method of this comparative example micro-surfacing mixture is same as in Example 1, and difference therein is: step 2
Without Anhydrite granule in compound in the middle of described in.
Embodiment 2
The micro-surfacing mixture of the present embodiment is made up of the raw material of following mass percent: basalt granule 43%, Anhydrite
Granule 35%, feldspar micro powder 2%, bournonite micropowder 2%, triethanolamine 2.5%, auxiliary agent 1.5%, water 7%, modified emulsifying asphalt
7%；Described auxiliary agent is that (mass ratio of potassium sorbate and double imidazolidinyl urea is potassium sorbate with the mixture of double imidazolidinyl urea
1:1), described modified emulsifying asphalt is SBR modified emulsifying asphalt, and the nominal maximum particle diameter of described basalt granule is not more than
9.5mm, the particle diameter of described Anhydrite granule is not more than 4.75mm, and the particle diameter of described bournonite micropowder and feldspar micro powder is respectively less than
0.075mm, the gradation types of the present embodiment micro-surfacing mixture meets MS-3 type seriality gradation design, and (concrete gradation composition is shown in
Table 1).
The present embodiment is prepared the preparation method of micro-surfacing mixture and is comprised the following steps:
Step one, triethanolamine is soluble in water, obtain triethanolamine solution after stirring；
Step 2, basalt granule, Anhydrite granule, feldspar micro powder and bournonite micropowder are added in blender, in stirring
Speed is stirring 100s under conditions of 60rpm, obtains middle compound；
Step 3, solution described in auxiliary agent and step one is added in the middle of described in step 2 in compound, in stirring speed
Rate is stirring 10s under conditions of 100rpm, obtains micro-surfacing mixture.
Embodiment 3
The micro-surfacing mixture of the present embodiment is made up of the raw material of following mass percent: basalt granule 46%, Anhydrite
Granule 31%, feldspar micro powder 3%, bournonite micropowder 3%, triethanolamine 2%, auxiliary agent 1%, water 8%, modified emulsifying asphalt 6%；
Described auxiliary agent is double imidazolidinyl urea, and described modified emulsifying asphalt is SBS modified emulsifying asphalt, the nominal of described basalt granule
Maximum particle diameter is not more than 9.5mm, and the particle diameter of described Anhydrite granule is not more than 4.75mm, described bournonite micropowder and feldspar micro powder
Particle diameter is respectively less than 0.075mm, and it is (concrete that the gradation types of the present embodiment micro-surfacing mixture meets MS-3 type seriality gradation design
Gradation composition is shown in Table 1).
The present embodiment is prepared the preparation method of micro-surfacing mixture and is comprised the following steps:
Step one, triethanolamine is soluble in water, obtain triethanolamine solution after stirring；
Step 2, basalt granule, Anhydrite granule, feldspar micro powder and bournonite micropowder are added in blender, in stirring
Speed is stirring 90s under conditions of 100rpm, obtains middle compound；
Step 3, solution described in auxiliary agent and step one is added in the middle of described in step 2 in compound, in stirring speed
Rate is stirring 15s under conditions of 60rpm, obtains micro-surfacing mixture.
Embodiment 4
The micro-surfacing mixture of the present embodiment is made up of the raw material of following mass percent: basalt granule 42%, Anhydrite
Granule 36%, feldspar micro powder 3%, bournonite micropowder 1%, triethanolamine 2%, auxiliary agent 2%, water 6%, modified emulsifying asphalt 8%；
Described auxiliary agent is potassium sorbate, and described modified emulsifying asphalt is SBR modified emulsifying asphalt, and the nominal of described basalt granule is maximum
Particle diameter is not more than 9.5mm, and the particle diameter of described Anhydrite granule is not more than 4.75mm, described bournonite micropowder and the particle diameter of feldspar micro powder
Being respectively less than 0.075mm, the gradation types of the present embodiment micro-surfacing mixture meets MS-3 type seriality gradation design (concrete grating
Composition is shown in Table 1).
The present embodiment is prepared the preparation method of micro-surfacing mixture and is comprised the following steps:
Step one, triethanolamine is soluble in water, obtain triethanolamine solution after stirring；
Step 2, basalt granule, Anhydrite granule, feldspar micro powder and bournonite micropowder are added in blender, in stirring
Speed is stirring 95s under conditions of 90rpm, obtains middle compound；
Step 3, solution described in auxiliary agent and step one is added in the middle of described in step 2 in compound, in stirring speed
Rate is stirring 13s under conditions of 80rpm, obtains micro-surfacing mixture.
Embodiment 5
The micro-surfacing mixture of the present embodiment is made up of the raw material of following mass percent: basalt granule 48%, Anhydrite
Granule 30%, feldspar micro powder 1%, bournonite micropowder 3%, triethanolamine 3%, auxiliary agent 1%, water 8%, modified emulsifying asphalt 6%；
Described auxiliary agent be mixture in potassium sorbate and double imidazolidinyl urea (mass ratio of potassium sorbate and double imidazolidinyl urea is 1:
2), described modified emulsifying asphalt is SBR modified emulsifying asphalt, and the nominal maximum particle diameter of described basalt granule is not more than 9.5mm,
The particle diameter of described Anhydrite granule is not more than 4.75mm, and the particle diameter of described bournonite micropowder and feldspar micro powder is respectively less than 0.075mm, this
The gradation types of embodiment micro-surfacing mixture meets MS-3 type seriality gradation design (concrete gradation composition is shown in Table 1).
The present embodiment is prepared the preparation method of micro-surfacing mixture and is comprised the following steps:
Step one, triethanolamine is soluble in water, obtain triethanolamine solution after stirring；
Step 2, basalt granule, Anhydrite granule, feldspar micro powder and bournonite micropowder are added in blender, in stirring
Speed is stirring 90s under conditions of 100rpm, obtains middle compound；
Step 3, solution described in auxiliary agent and step one is added in the middle of described in step 2 in compound, in stirring speed
Rate is stirring 10s under conditions of 100rpm, obtains micro-surfacing mixture.
According to the technology requirement of " micro-surface area and Slurry Seal Technology guide " (JTG/T F40-02-2005), to embodiment 1
～the micro-surfacing mixture of embodiment 5, comparative example 1 and comparative example 2 preparation carries out correlated performance test, test process is as follows:
(1) anti-wear performance test
Embodiment 1～embodiment 5, comparative example 1 and the micro-surfacing mixture of comparative example 2 preparation is characterized with the wet consumption mill value of taking turns of 1h
Anti-wear performance, the wet wearing valve of taking turns of 1h is the biggest, and the anti-wear performance of micro-surfacing mixture is the poorest, otherwise the best, and test result is such as
Shown in table 2.
Table 2 anti-wear performance test result
| Material | 1h is wet takes turns wearing valve (g/cm2) |
| Embodiment 1 | 394.6 |
| Comparative example 1 | 410.2 |
| Comparative example 2 | 498.2 |
| Embodiment 2 | 398.8 |
| Embodiment 3 | 396.5 |
| Embodiment 4 | 399.2 |
| Embodiment 5 | 408.7 |
As shown in Table 2, the wet wearing valve of taking turns of 1h of the micro-surfacing mixture of embodiment 1～embodiment 5 preparation is the least, meets
In " micro-surface area and Slurry Seal Technology guide ", the wet consumption mill value of taking turns of the 1h of regulation is less than 540g/cm2Requirement, prepared by comparative example 2
Though micro-surfacing mixture meet and use requirement, but the wet wearing valve of taking turns of its 1h is the most relatively large, and the interpolation of Anhydrite granule is described
Be conducive to improving the anti-wear performance of micro-surfacing mixture.
(2) antiskid performance test
Manual sand patch method is used to have the micro-surface area of embodiment 1～embodiment 5, comparative example 1 and comparative example 2 preparation to mix to making
The construction depth on the AC-13 asphaltic road-mix surface course surface closing material is tested, and compares the micro-surfacing mixture way of escape before use
The situation of change of the surface construction degree of depth, test result is as shown in table 3.
Table 3 antiskid the performance test results
As shown in Table 3, making has embodiment 1～the AC-13 asphalt road of micro-surfacing mixture of embodiment 5 preparation
The construction depth in face all increases before being compared to non-making, i.e. antiskid performance significantly improves, and meets standard " highway engineering matter
Amount check evaluation criterion " (JTGF801-2012) requirement to construction depth, thus the explanation embodiment of the present invention 1～embodiment 5
The use of the micro-surfacing mixture of preparation can improve the antiskid performance of protobitumen mixture pavement, and in addition prepared by making comparative example 2
The construction depth of AC-13 asphaltic road-mix surface course of micro-surfacing mixture be compared to non-making premise height DeGrain,
What Anhydrite granule was described is added with the antiskid performance beneficially improving micro-surfacing mixture.
(3) temperature reduction performance test
The rut plate test specimen using AC-13 type asphalt to prepare long 30cm, wide 30cm, high 5cm, has making respectively
The rut plate test specimen of the micro-surfacing mixture of embodiment 1～embodiment 5, comparative example 1 and comparative example 2 preparation and non-making micro-surface area
The blank rut plate test specimen of compound is positioned in temperature test chamber, the rut plate test specimen of test making micro-surfacing mixture
Surface temperature and the surface temperature of blank rut plate test specimen, take its difference characterize micro-surfacing mixture temperature reduction performance,
Temperature reduction performance test result is as shown in table 4.
Table 4 temperature reduction performance test result
| Material | Cooling-down effect (DEG C) |
| Embodiment 1 | 5.1 |
| Comparative example 1 | 3.5 |
| Comparative example 2 | 4.2 |
| Embodiment 2 | 4.9 |
| Embodiment 3 | 4.8 |
| Embodiment 4 | 4.3 |
| Embodiment 5 | 4.6 |
As shown in Table 4, the micro-surfacing mixture of the embodiment of the present invention 1～embodiment 5 preparation has effect of significantly lowering the temperature,
Can solve city " tropical island effect " to a certain extent, improve the high temperature rutting resistance of bituminous paving, prepared by comparative example 1 micro-
Cooling effect of surfacing mixture is substantially deteriorated relative to embodiment 1, illustrates that the interpolation of bournonite micropowder and feldspar micro powder can
Make micro-surfacing mixture have significantly to lower the temperature effect.
(4) harmful gas absorption property test
The rut plate test specimen using AC-13 type asphalt to prepare long 30cm, wide 30cm, high 5cm, has making respectively
The rut plate test specimen of the micro-surfacing mixture of embodiment 1～embodiment 5, comparative example 1 and comparative example 2 preparation is positioned over airtight tail
In edema caused by disorder of QI desorption device, it is passed through vehicle exhaust, through after a period of time, uses harmful gas (nitrogen in exhaust analyzer test equipment
Oxide and oxycarbide) change of concentration, analyze effect of micro-surfacing mixture absorption harmful gas, test result such as table 5
Shown in table 6.
The result of the test of table 5 micro-surfacing mixture nitric oxide adsorption effect
The result of the test of table 6 micro-surfacing mixture absorption oxycarbide effect
From table 5 and table 6 it can be seen that the micro-table respectively prepared by embodiment 1～embodiment 5, comparative example 1 and comparative example 2
Place's compound making does enveloping treatment on matrix pitch concrete, the micro-surfacing mixture paving of embodiment 1～embodiment 5 preparation
Build after doing enveloping treatment on matrix pitch concrete can harmful gas that effectively adsorption vehicle exhaust emissions goes out, nitrogen aoxidizes
The adsorption rate of thing is between 45.8%～58.9%, and the adsorption rate of oxycarbide, between 42.9%～48.1%, indicates this
The effect of invention micro-surfacing mixture absorption harmful gas is notable, and the micro-surfacing mixture making of comparative example 1 preparation is in substrate
The effect adsorbing harmful gas after doing enveloping treatment on bituminous concrete substantially reduces, and bournonite micropowder and feldspar micro powder are described
It is added with the effect beneficially improving micro-surfacing mixture absorption harmful gas.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention
Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention
In the protection domain of art scheme.
Claims (3)
1. a micro-surfacing mixture, it is characterised in that be made up of the raw material of following mass percent: basalt granule 42%～
48%, Anhydrite granule 30%～36%, feldspar micro powder 1%～3%, bournonite micropowder 1%～3%, triethanolamine 2%～3%,
Auxiliary agent 1%～2%, water 6%～8%, modified emulsifying asphalt 6%～8%；Described auxiliary agent is potassium sorbate and/or double imidazolidine
Base urea, the nominal maximum particle diameter of described basalt granule is not more than 9.5mm, and the particle diameter of described Anhydrite granule is not more than 4.75mm,
The particle diameter of described bournonite micropowder and feldspar micro powder is respectively less than 0.075mm, and described modified emulsifying asphalt is SBS modified emulsifying asphalt
Or SBR modified emulsifying asphalt.
2. according to a kind of micro-surfacing mixture described in claim 1, it is characterised in that by the raw material system of following mass percent
Become: basalt granule 43%～46%, Anhydrite granule 31%～35%, feldspar micro powder 2%～3%, bournonite micropowder 2%～
3%, triethanolamine 2%～2.5%, auxiliary agent 1%～1.5%, water 6%～7%, modified emulsifying asphalt 7%～8%.
3. according to a kind of micro-surfacing mixture described in claim 2, it is characterised in that by the raw material system of following mass percent
Become: basalt granule 45%, Anhydrite granule 33%, feldspar micro powder 3%, bournonite micropowder 2%, triethanolamine 2%, auxiliary agent 1%,
Water 7%, modified emulsifying asphalt 7%.
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| AU2706202A (en) * | 2000-12-18 | 2002-07-01 | Basf Corp | Asphalt-based formulations and method of making and using same for paving applications |
| JP2004043805A (en) * | 2003-06-18 | 2004-02-12 | Kao Corp | Additive for slurry sealing |
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| CN101239796A (en) * | 2008-01-16 | 2008-08-13 | 武汉理工大学 | High-performance low-noise asphalt pavement conserving material and preparation method thereof |
| CN101817660A (en) * | 2010-05-27 | 2010-09-01 | 长安大学 | Heat-insulating bituminous mixture for roads and production method thereof |
| ES2386997A1 (en) * | 2011-02-14 | 2012-09-10 | Corporate Planning Results Sl (Cpr) | Asphalt microaglomerado in special cold for airways. (Machine-translation by Google Translate, not legally binding) |
| CN103964752A (en) * | 2014-04-21 | 2014-08-06 | 中交公路养护工程技术有限公司 | Seal coat with road surface cooling function |
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