CN109626874A - A kind of antiseepage Recycled Asphalt Pavement and its preparation process - Google Patents
A kind of antiseepage Recycled Asphalt Pavement and its preparation process Download PDFInfo
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- CN109626874A CN109626874A CN201910082010.7A CN201910082010A CN109626874A CN 109626874 A CN109626874 A CN 109626874A CN 201910082010 A CN201910082010 A CN 201910082010A CN 109626874 A CN109626874 A CN 109626874A
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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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of antiseepage Recycled Asphalt Pavement and its preparation processes, it is related to bituminous concrete production technical field, solve causes it in the erosion by water because the interface bond strength between asphalt and aggregate is bad, is easy the problem of making bituminous concrete be damaged.A kind of antiseepage Recycled Asphalt Pavement comprising the component of following parts by weight: newly gather materials 80~90 parts；6~10 parts of pitch；0.6~1.2 part of miberal powder；Regeneration asphalt mixes 20~24 parts of old material；0.2~0.4 part of regenerative agent；1.8~2.6 parts of fiberfill；0.3~0.5 part of antistripping agent；0.8~1.2 part of rare earth material；0.4~0.6 part of magnesium stearate.In use, internal pitch and boundary strength with higher between newly gathering materials play good resistant function to the erosion of water, and be not susceptible to crack, and have longer service life to antiseepage Recycled Asphalt Pavement in the present invention.
Description
Technical field
The present invention relates to technical field of concrete production, more specifically, it relates to a kind of antiseepage Recycled Asphalt Pavement
And its preparation process.
Background technique
Bituminous concrete is commonly called as bitumen concrete, and artificial selection has the mineral aggregate of certain gradation composition, rubble or grating gravel, stone
Bits or sand, miberal powder etc., with a certain proportion of bitumen for road use material, the mixture made of mixing under the conditions of strict control.
A kind of bituminous concrete, mass parts group are disclosed in the Chinese invention patent of Publication No. CN105948598A
At as follows: 20~25 parts of waste asphalt material, 5~8 parts of modified pitch, 25~40 parts of cement, 10~15 parts of ore fine crushing, function mine
7~15 parts of powder, 5~10 parts of flyash, imitative 5~8 parts of steel fibre, 2~10 parts of galapectite, 2.8~6.4 parts of silicon carbide micro-powder.Change
Property pitch select natural rubber modified pitch, styrene butadiene rubber modified asphalt, butadiene rubber modified pitch, reclaimed rubber modified pitch
At least one of, the diameter for imitating steel fibre is 1~2mm.
In above-mentioned patent because waste asphalt material can part aging, after mix with modified partial size, can weaken pitch with carefully
Interface bond strength between broken ore, and being laid on road when above-mentioned bituminous concrete, and there are when ponding on road, due to
There are hole, water to flow into the internal void of bituminous concrete for the inside of bituminous concrete, makes between pitch and ore fine crushing
Interface bond strength further decreases, and bituminous concrete overall structural strength is caused to substantially reduce, and is easy to happen damage, therefore,
Need to propose the new scheme of one kind to solve the above problems.
Summary of the invention
For because the interface bond strength between asphalt and aggregate is bad, causing it in the erosion by water in the prior art
When, it is easy the problem of making bituminous concrete be damaged, the purpose of the present invention one is to provide a kind of antiseepage regeneration asphalt coagulation
Soil, by improve pitch and newly gather materials between interface bond strength have to solve the above technical problems to the erosion of water
Good resistant function, and be not susceptible to damage in use.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of antiseepage Recycled Asphalt Pavement, the component including following parts by weight:
Newly gather materials 80~90 parts；
6~10 parts of pitch；
0.6~1.2 part of miberal powder；
Regeneration asphalt mixes 20~24 parts of old material；
0.2~0.4 part of regenerative agent；
1.8~2.6 parts of fiberfill；
0.3~0.5 part of antistripping agent；
0.8~1.2 part of rare earth material；
0.4~0.6 part of magnesium stearate.
By using above-mentioned technical proposal, regeneration asphalt mixing old material is by old asphalt pavement by digging, recycling, break
It is obtained after broken, screening, so that the bituminous pavement removed is reproduced utilization, the originals such as a large amount of pitch, sandstone can be saved
Material, and be conducive to handle waste material, protection environment, there is significant economic benefit and society, environmental benefit.But regeneration asphalt is mixed
The pitch closed in old material will appear different degrees of aging during prolonged use, and regenerative agent is added, and can improve
The compatibility of pitch improves the needle penetration and ductility of pitch entirety.Miberal powder plays filling in antiseepage Recycled Asphalt Pavement and makees
With, it is therefore an objective to reduce the hole of antiseepage Recycled Asphalt Pavement, and asphalt mastic is collectively formed in miberal powder and pitch, improves antiseepage
The strength and stability of Recycled Asphalt Pavement.
Rare earth material is by extracting the oxide group mixed containing lanthanum, cerium, praseodymium, neodymium and a small amount of samarium, europium, gadolinium in Rare Earth Mine
At, and it also contains silicate and phosphate.Rare earth material is not only a kind of good filling in antiseepage Recycled Asphalt Pavement
Material, advantageously reduce the internal void of antiseepage Recycled Asphalt Pavement, moreover it is possible to pitch and newly gather materials play it is good activation change
Property effect, the newly interface bond strength that gathers materials between pitch can be greatly improved, and under the erosion of water, be still able to maintain good
Stability, be not susceptible to damage in use.
There is good associativity between fiberfill and pitch, and can be formed in the inside of antiseepage Recycled Asphalt Pavement
Reticular structure, and then greatly improve the overall structural strength of antiseepage Recycled Asphalt Pavement.Magnesium stearate is a kind of good
Dispersing agent, it is agglomerating in the inside of antiseepage bituminous concrete to can be avoided fiberfill, ensure that fiberfill can uniformly divide
Cloth is in antiseepage bituminous concrete.Antistripping agent is physical absorption to be formed with new surface of aggregate or by its special chemical structure
Make it and newly gather materials and carry out combination reaction, form powerful chemical tie between them, to improve pitch and new
Section bond strength between gathering materials, makes it have good resistance to heat aging and anti-water damage.
Further preferably, it is described newly gather materials mainly by particle size range be 0~3mm, 3~5mm, 5~13mm, 13~
20mm, 20~25mm limestone be by ratio of weight and the number of copies (1.6~2.4): (2.3~3.3): (7.2~8.0): 1:(3.1~
4.3) it forms.
By using above-mentioned technical proposal, limestone has good associativity in alkalinity between pitch, and when anti-
When infiltration Recycled Asphalt Pavement receives the erosion of water, limestone and pitch directly throw away interface bond strength with higher.It selects
Different-grain diameter size limestone composition newly gathers materials, be conducive to make newly to gather materials mixed with regeneration asphalt old material, pitch antiseepage again
The inside of raw bituminous concrete forms the colloid net that density is met each other, and improves the bond strength between each component raw material, makes antiseepage again
Raw bituminous concrete keeps good stability in use, and in the erosion by water, is also not susceptible to damage.
Further preferably, the regeneration asphalt mixing old material is mainly the old drip of 0~8mm, 8~15mm by particle size range
Green concrete is (0.7~0.9) by ratio of weight and the number of copies: 1 composition.
By using above-mentioned technical proposal, regeneration asphalt mixes the regeneration of old material, can save a large amount of pitch, sand
The raw material such as stone, cost saving, while be conducive to handle waste material, protection environment, have significant economic benefit and society,
Environmental benefit.Regeneration asphalt mix old material select particle size range be 0~8mm, 8~15mm old asphalt concrete in parts by weight
Than for (0.7~0.9): 1 composition can have good associativity, and then make antiseepage regeneration asphalt between each component raw material
Concrete has good quality.
Further preferably, the fiberfill is mainly (0.5~0.7) by weight fraction ratio: 1 sepiolite fibre and
Lignin fibre composition.
By using above-mentioned technical proposal, sepiolite fibre has good ion exchange and catalysis characteristics, can be improved drip
Interface bond strength green and between newly gathering materials, and sepiolite fibre has the excellent characteristics such as corrosion-resistant, anti-radiation, insulation, heat-insulated,
Lignin fibre has very outstanding thickening cracking resistance, can be improved the overall quality of antiseepage Recycled Asphalt Pavement.Together
When, sepiolite fibre and lignin fibre all have good absorption property, when being used in mixed way, can greatly improve antiseepage
Bond strength in Recycled Asphalt Pavement between each component raw material, and the hole inside antiseepage Recycled Asphalt Pavement can be reduced,
Improve the ability that its whole water resistant corrodes.
Further preferably, the antistripping agent selects one of Carlow amine, quaternary ammonium salt and Monododecylphosphate
Or it is a variety of.
By using above-mentioned technical proposal, Carlow amine, quaternary ammonium salt and Monododecylphosphate are a kind of micro, efficient
Bituminous concrete antistripping agent, and can improve significantly pitch and newly gather materials between adhesion property and binding force, significantly
The performance of bituminous pavement anti-water damage is improved, to extend the service life on road surface, reduces and reduce maintenance cost.Meanwhile blocking
Lip river amine, quaternary ammonium salt and Monododecylphosphate are to the low-temperature resistance bursting by freezing of bituminous pavement, Rut resistance, antifatigue, anti-oxidant aging
Etc. performances be improved to some extent, and stable effect is lasting, and then keeps the overall quality of antiseepage Recycled Asphalt Pavement big
It is big to improve.
The purpose of the present invention two is to provide a kind of preparation process of antiseepage Recycled Asphalt Pavement, be prepared using the technique
Antiseepage Recycled Asphalt Pavement there is good resistant function to the erosion of water, and be not susceptible to damage in use.
To achieve the above object two, the present invention provides following technical solutions, comprising the following steps:
Step 1, by newly the gathering materials of corresponding parts by weight, fiberfill and rare earth material are stirred drying, temperature in drying bucket
At 80~120 DEG C, the time is 80~120min for control, and mixing speed is 1000~1500rpm, obtains dry mixture, standby
With；
Regeneration asphalt mixing old material is put into and mixes and stirs in cylinder by step 2, after being preheated, regenerative agent is added, is stirred mixing,
It mixes and stirs cylinder temperature and maintains 160~180 DEG C, mixing speed is 800~1000rpm, and the time is 25~30min；
Dry mixture addition is mixed and stirred in cylinder, mixes and stirs cylinder temperature and maintain 160~170 DEG C, be stirred by step 3,
Mixing speed be 1000~1200rpm, the time be 25~30min, then plus pitch, be stirred mixing, mix and stir cylinder temperature tie up
It holds at 170~180 DEG C, mixing speed is 600~800rpm, and the time is 10~15min；
Step 4, then miberal powder, antistripping agent and magnesium stearate are added in cylinder to mixing and stirring, antiseepage regeneration can be obtained after mixing
Bituminous concrete, and drop temperature is 160~170 DEG C.
It by using above-mentioned technical proposal, will newly gather materials, fiberfill and rare earth material carry out drying mixing, avoid it mutually
Between be sticked together due to moisture, make antiseepage Recycled Asphalt Pavement have good quality.First regeneration asphalt is allowed to mix
Old material and regenerative agent carry out pre- hot mixing, then add and newly gather materials and pitch, it is more to be conducive to the surface for enabling newly to gather materials
Wrap up in the pitch for being attached to addition, and it is more uniform that the pitch in antiseepage Recycled Asphalt Pavement can be made to be distributed.Meanwhile using this
Antiseepage Recycled Asphalt Pavement made from technique has good quality, and production efficiency with higher.
Further preferably, described newly to gather materials and carry out vibration milled processed before use, specifically comprise the following steps: by
Newly gather materials to be put into lapping machine and remove surface corner angle, then re-starts screening ingredient with sieve, obtain pretreated
Newly gather materials.
By using above-mentioned technical proposal, asphalt stripping is easy the more edges and corners for appearing in and newly gathering materials, due to pitch pair
The sharp corners newly gathered materials are difficult to cover, and covering is got in time, and asphalt membrane herein is also very thin, and holds in use
It is easy to crack, so that antiseepage Recycled Asphalt Pavement is easy the erosion by water in use, overall structural strength substantially reduces.
And to newly gathering materials and carrying out vibration milled processed, the corner angle of new surface of aggregate can be removed, improves newly to gather materials and is combined between pitch
Stability, and then antiseepage Recycled Asphalt Pavement is made to be not susceptible to crack in use, it is with good stability.
Further preferably, the regeneration asphalt mixing old material carries out vibration dust removal process before use, specifically includes
Following steps: the regeneration asphalt mixing old material that will newly gather materials is put into vibration dedusting sieve and removes chalk dust removing, is then re-started with sieve
Ingredient is screened, pretreated regeneration asphalt mixing old material is obtained.
By using above-mentioned technical proposal, regeneration asphalt is mixed in old material often doped with part dust, the oil suction of dust
Ability is strong, can weaken pitch and newly gather materials between adhesiveness, make new surface of aggregate oil film be thinned, and then make antiseepage regeneration drip
The performance of green agent on crack resistance of concrete Moisture Damage weakens significantly.And vibration dust removal process is carried out before use to regeneration asphalt mixing old material,
Be conducive to remove the dust in regeneration asphalt mixing old material, and good burnishing action is played to regeneration asphalt mixing old material, makes
The overall quality of regeneration asphalt mixing old material greatly improves, and then improves the stabilization of antiseepage Recycled Asphalt Pavement when in use
Property.
In conclusion compared with prior art, the invention has the following advantages:
(1) rare earth material is added, advantageously reduces the internal void of antiseepage Recycled Asphalt Pavement, moreover it is possible to gather materials to pitch and newly
It is acted on to good activation modification, the interface bond strength newly to gather materials between pitch can be greatly improved, and in the erosion of water
Under, it is still able to maintain good stability, is not susceptible to damage in use；
(2) newly it will gather materials and carry out vibration milled processed before use, and the corner angle of new surface of aggregate can be removed and by regeneration asphalt
Mixing old material carries out vibration dust removal process before use, improves the stability combined between pitch of newly gathering materials, and then make antiseepage again
Raw bituminous concrete is not susceptible to crack in use, and the performance of its whole anti-water damage greatly improves.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of antiseepage Recycled Asphalt Pavement in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1: a kind of antiseepage Recycled Asphalt Pavement, each component and its corresponding parts by weight are as shown in table 1, and lead to
Following steps are crossed to prepare:
Step 1, by newly the gathering materials of corresponding parts by weight, fiberfill and rare earth material are stirred drying, temperature in drying bucket
Control obtains dry mixture at 100 DEG C, time 80min, mixing speed 1100rpm, spare；
Regeneration asphalt mixing old material is put into and mixes and stirs in cylinder by step 2, after being preheated, regenerative agent is added, is stirred mixing,
It mixes and stirs cylinder temperature and maintains 180 DEG C, mixing speed 800rpm, time 30min；
Dry mixture addition is mixed and stirred in cylinder, mixes and stirs cylinder temperature and maintain 160 DEG C, be stirred by step 3, stirring speed
Degree is 1000rpm, time 25min, then plus pitch, be stirred mixing, mix and stir cylinder temperature and maintain 170 DEG C, stirring is fast
Degree is 800rpm, time 15min；
Step 4, then miberal powder, Carlow amine and magnesium stearate are added in cylinder to mixing and stirring, antiseepage regeneration drip can be obtained after mixing
Green concrete, and drop temperature is 170 DEG C.
Note: in above-mentioned steps newly gathering materials mainly by particle size range be 0~3mm, 3~5mm, 5~13mm, 13~20mm,
The limestone of 20~25mm be by ratio of weight and the number of copies 2:2.8:7.6:1:3.7 composition, by limestone raw material successively through 3mm,
The sieve of 5mm, 13mm, 20mm and 25mm sieve.Regeneration asphalt mixing old material mainly by particle size range be 0~8mm, 8~
The old asphalt concrete of 15mm is 0.8:1 composition by ratio of weight and the number of copies, by old asphalt concrete raw material successively through 8mm and 15mm
Sieve sieve.The fiberfill is made of the sepiolite fibre that weight fraction ratio is 0.6:1 and lignin fibre.Regenerative agent
Shanghai ten thousand is selected to shine the bitumen regenerant of model WSG-S29 in Fine Chemical Co., Ltd, the 70#A of petrochemical industry in pitch selection
Grade asphalt.
Embodiment 2-8: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, each component and its phase
The parts by weight answered are as shown in table 1.
Each component and its parts by weight in 1 embodiment 1-8 of table
Embodiment 9: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, it is described newly to gather materials mainly by grain
Diameter range is 0~3mm, the limestone of 3~5mm, 5~13mm, 13~20mm, 20~25mm are 1.6:2.3 by ratio of weight and the number of copies:
7.2:1:3.1 composition.
Embodiment 10: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, the master that newly gathers materials
It to be 0~3mm by particle size range, the limestone of 3~5mm, 5~13mm, 13~20mm, 20~25mm are by ratio of weight and the number of copies
2.4:3.3:8.0:1:4.3 composition.
Embodiment 11: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, the regeneration asphalt
Mixing old material is mainly 0~8mm by particle size range, the old asphalt concrete of 8~15mm is that 0.7:1 is formed by ratio of weight and the number of copies.
Embodiment 12: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, the regeneration asphalt
Mixing old material is mainly 0~8mm by partial size, the old asphalt concrete of 8~15mm is that 0.9:1 is formed by ratio of weight and the number of copies.
Embodiment 13: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, the fiberfill
It is made of sepiolite fibre and lignin fibre that weight fraction ratio is 0.5:1.
Embodiment 14: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, the fiberfill
It is made of sepiolite fibre and lignin fibre that weight fraction ratio is 0.7:1.
Embodiment 15: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, step 4 is specifically wrapped
Following steps are included, then parts by weight are added in cylinder as 0.6 part of miberal powder, 0.3 part of quaternary ammonium salt and 0.2 part of stearic acid to mixing and stirring
Antiseepage Recycled Asphalt Pavement can be obtained in magnesium after mixing, and drop temperature is 170 DEG C.
Embodiment 16: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, step 4 is specifically wrapped
Following steps are included, then parts by weight are added in cylinder as 0.6 part of miberal powder, 0.3 part of Monododecylphosphate and 0.2 to mixing and stirring
Antiseepage Recycled Asphalt Pavement can be obtained in the magnesium stearate of part after mixing, and drop temperature is 170 DEG C.
Embodiment 17: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, step 4 is specifically wrapped
Following steps are included, then parts by weight are added in cylinder as 0.6 part of miberal powder, 0.1 part of Carlow amine, single the 12 of 0.1 part to mixing and stirring
Antiseepage regeneration asphalt coagulation can be obtained in alkyl phosphate, 0.1 part of quaternary ammonium salt and 0.2 part of magnesium stearate after mixing
Soil, and drop temperature is 170 DEG C.
Embodiment 18: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, it is described newly to gather materials
Vibration milled processed is carried out before use, specifically comprising the following steps: newly to gather materials is put into removal surface rib in lapping machine
Then angle re-starts screening ingredient with sieve, obtain pretreated newly gathering materials.
Embodiment 19: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, the regeneration asphalt
Mixing old material carries out vibration dust removal process before use, specifically comprises the following steps: the regeneration asphalt that newly gathers materials mixing old material
It is put into vibration dedusting sieve and removes chalk dust removing, then re-start screening ingredient with sieve, it is mixed to obtain pretreated regeneration asphalt
Close old material.
Comparative example 1: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, step 1 specifically includes
Newly gathering materials for corresponding parts by weight is stirred drying with fiberfill by following steps in drying bucket, and temperature is controlled 100
DEG C, time 80min, mixing speed 1100rpm obtain dry mixture, spare.
Comparative example 2: a kind of antiseepage Recycled Asphalt Pavement, difference from example 1 is that, step 4 specifically includes
Following steps, then miberal powder and magnesium stearate are added in cylinder to mixing and stirring, antiseepage Recycled Asphalt Pavement can be obtained after mixing,
And drop temperature is 170 DEG C.
Comparative example 3: a kind of antiseepage Recycled Asphalt Pavement, the difference is that, step 4 specifically includes with comparative example 1
Following steps, then miberal powder and magnesium stearate are added in cylinder to mixing and stirring, antiseepage Recycled Asphalt Pavement can be obtained after mixing,
And drop temperature is 170 DEG C.
Performance test
Test specimen: using the antiseepage Recycled Asphalt Pavement obtained in embodiment 1-19 as test specimen 1-19, using pair
The antiseepage Recycled Asphalt Pavement obtained in ratio 1-3 is as control sample 1-3.
Test method: take the antiseepage Recycled Asphalt Pavement in test specimen 1-19 and control sample 1-3 according to GB/ respectively
T25033-2010 " Recycled Asphalt Pavement " makes standard sample, is immersed into 60 DEG C of water respectively and impregnates 12h, takes out
After drying, then by the regulation in " highway engineering pitch and Asphalt Mixture Experiment regulation " (JTJ052-2000), measurement test
The stability of standard sample corresponding to sample 1-19 and control sample 1-3.
Test result: the test result of test specimen 1-19 and control sample 1-3 are as shown in table 2.As shown in Table 2, by trying
The test result comparison for testing sample 1-8 and control sample 1-3 can obtain, and rare earth material and antistripping agent can make antiseepage regeneration asphalt mixed
There is solidifying soil good water resistant to damage performance.By the test result of test specimen 1 and test specimen 9-12 comparison can obtain, newly gather materials and
Recycled Asphalt Pavement old material is suitable for the system of antiseepage Recycled Asphalt Pavement in ratio range disclosed in this invention
It is standby.It can be obtained by the comparison of the test result of test specimen 1 and test specimen 13-17, fiberfill disclosed in this invention and anti-stripping
Falling agent can make antiseepage Recycled Asphalt Pavement obtained have good quality.By the survey of test specimen 1 and test specimen 18
Test result comparison can obtain, and carry out vibration milled processed before use for newly gathering materials, can remove the corner angle of new surface of aggregate, favorably
Performance is damaged in the water resistant for improving antiseepage Recycled Asphalt Pavement entirety.By the test result pair of test specimen 1 and test specimen 19
Than that can obtain, vibration dust removal process is carried out to regeneration asphalt mixing old material before use, can also make the steady of regeneration asphalt mixing old material
Fixed degree improves.
The test result of table 2 test specimen 1-19 and control sample 1-3
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of antiseepage Recycled Asphalt Pavement, which is characterized in that the component including following parts by weight:
Newly gather materials 80~90 parts；
6~10 parts of pitch；
0.6~1.2 part of miberal powder；
Regeneration asphalt mixes 20~24 parts of old material；
0.2~0.4 part of regenerative agent；
1.8~2.6 parts of fiberfill；
0.3~0.5 part of antistripping agent；
0.8~1.2 part of rare earth material；
0.4~0.6 part of magnesium stearate.
2. antiseepage Recycled Asphalt Pavement according to claim 1, which is characterized in that described newly to gather materials mainly by partial size model
Enclose for the limestone of 0~3mm, 3~5mm, 5~13mm, 13~20mm, 20~25mm is (1.6~2.4) by ratio of weight and the number of copies:
(2.3~3.3): (7.2~8.0): 1:(3.1~4.3) composition.
3. antiseepage Recycled Asphalt Pavement according to claim 1, which is characterized in that the regeneration asphalt mixes old material master
To be 0~8mm by particle size range, the old asphalt concrete of 8~15mm is (0.7~0.9) by ratio of weight and the number of copies: 1 forms.
4. antiseepage Recycled Asphalt Pavement according to claim 1, which is characterized in that the fiberfill is mainly by weight
Portion rate is (0.5~0.7): 1 sepiolite fibre and lignin fibre composition.
5. antiseepage Recycled Asphalt Pavement according to claim 1, which is characterized in that the antistripping agent selects Carlow
One of amine, quaternary ammonium salt and Monododecylphosphate are a variety of.
6. a kind of preparation process of antiseepage Recycled Asphalt Pavement as described in claim 1, which is characterized in that including following step
It is rapid:
Step 1, by newly the gathering materials of corresponding parts by weight, fiberfill and rare earth material are stirred drying, temperature in drying bucket
At 80~120 DEG C, the time is 80~120min for control, and mixing speed is 1000~1500rpm, obtains dry mixture, standby
With；
Regeneration asphalt mixing old material is put into and mixes and stirs in cylinder by step 2, after being preheated, regenerative agent is added, is stirred mixing,
It mixes and stirs cylinder temperature and maintains 160~180 DEG C, mixing speed is 800~1000rpm, and the time is 25~30min；
Dry mixture addition is mixed and stirred in cylinder, mixes and stirs cylinder temperature and maintain 160~170 DEG C, be stirred by step 3,
Mixing speed be 1000~1200rpm, the time be 25~30min, then plus pitch, be stirred mixing, mix and stir cylinder temperature tie up
It holds at 170~180 DEG C, mixing speed is 600~800rpm, and the time is 10~15min；
Step 4, then miberal powder, antistripping agent and magnesium stearate are added in cylinder to mixing and stirring, antiseepage regeneration can be obtained after mixing
Bituminous concrete, and drop temperature is 160~170 DEG C.
7. the preparation process of antiseepage Recycled Asphalt Pavement according to claim 6, which is characterized in that described newly to gather materials
Vibration milled processed is carried out before use, specifically comprising the following steps: newly to gather materials is put into removal surface rib in lapping machine
Then angle re-starts screening ingredient with sieve, obtain pretreated newly gathering materials.
8. the preparation process of antiseepage Recycled Asphalt Pavement according to claim 6, which is characterized in that the regeneration asphalt
Mixing old material carries out vibration dust removal process before use, specifically comprises the following steps: the regeneration asphalt that newly gathers materials mixing old material
It is put into vibration dedusting sieve and removes chalk dust removing, then re-start screening ingredient with sieve, it is mixed to obtain pretreated regeneration asphalt
Close old material.
Priority Applications (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981287A (en) * | 2019-12-25 | 2020-04-10 | 江苏中新苏通市政工程有限公司 | High-binding-property recycled asphalt concrete and preparation process thereof |
| CN111018409A (en) * | 2019-12-24 | 2020-04-17 | 江苏中新苏通市政工程有限公司 | Recycled asphalt concrete and preparation process thereof |
| CN111153633A (en) * | 2020-01-09 | 2020-05-15 | 江苏中新苏通市政工程有限公司 | Anti-cracking asphalt concrete and preparation process thereof |
| CN113896449A (en) * | 2021-11-03 | 2022-01-07 | 深圳恒隆源交通科技有限公司 | Road strength agent and asphalt mixture containing same |
| CN114772981A (en) * | 2022-04-29 | 2022-07-22 | 重庆鑫科新型建筑材料有限责任公司 | Regenerated asphalt concrete and preparation process thereof |
| CN116621507A (en) * | 2023-05-26 | 2023-08-22 | 无锡翔云道桥科技有限公司 | Recycled asphalt concrete and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739239A (en) * | 2013-12-31 | 2014-04-23 | 长安大学 | Composite fiber material used in mixed asphalt material |
| CN105504843A (en) * | 2016-01-12 | 2016-04-20 | 南昌工程学院 | Road asphalt pavement |
| KR101663588B1 (en) * | 2016-03-29 | 2016-10-07 | 주식회사 한국도로기술 | Asphalt Concrete Layer Composition for Waterproof Using Seaweedsand Constructing Methods Using Thereof |
| CN106009719A (en) * | 2016-05-23 | 2016-10-12 | 江苏天诺道路材料科技有限公司 | Plant-mixed warm recycled asphalt mixture and preparation method thereof |
| CN109231894A (en) * | 2018-10-20 | 2019-01-18 | 四川志德公路工程有限责任公司 | A kind of road asphalt mixture and preparation method thereof |
-
2019
- 2019-01-28 CN CN201910082010.7A patent/CN109626874A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739239A (en) * | 2013-12-31 | 2014-04-23 | 长安大学 | Composite fiber material used in mixed asphalt material |
| CN105504843A (en) * | 2016-01-12 | 2016-04-20 | 南昌工程学院 | Road asphalt pavement |
| KR101663588B1 (en) * | 2016-03-29 | 2016-10-07 | 주식회사 한국도로기술 | Asphalt Concrete Layer Composition for Waterproof Using Seaweedsand Constructing Methods Using Thereof |
| CN106009719A (en) * | 2016-05-23 | 2016-10-12 | 江苏天诺道路材料科技有限公司 | Plant-mixed warm recycled asphalt mixture and preparation method thereof |
| CN109231894A (en) * | 2018-10-20 | 2019-01-18 | 四川志德公路工程有限责任公司 | A kind of road asphalt mixture and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张登良 编著: "《沥青路面》", 31 December 1998, 人民交通出版社 * |
| 李立寒 等: "《道路建筑材料》", 31 July 1999, 同济大学出版社 * |
| 高翀 等: "稀土改性沥青抗老化试验研究", 《筑路机械与施工机械化》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018409A (en) * | 2019-12-24 | 2020-04-17 | 江苏中新苏通市政工程有限公司 | Recycled asphalt concrete and preparation process thereof |
| CN110981287A (en) * | 2019-12-25 | 2020-04-10 | 江苏中新苏通市政工程有限公司 | High-binding-property recycled asphalt concrete and preparation process thereof |
| CN111153633A (en) * | 2020-01-09 | 2020-05-15 | 江苏中新苏通市政工程有限公司 | Anti-cracking asphalt concrete and preparation process thereof |
| CN113896449A (en) * | 2021-11-03 | 2022-01-07 | 深圳恒隆源交通科技有限公司 | Road strength agent and asphalt mixture containing same |
| CN114772981A (en) * | 2022-04-29 | 2022-07-22 | 重庆鑫科新型建筑材料有限责任公司 | Regenerated asphalt concrete and preparation process thereof |
| CN116621507A (en) * | 2023-05-26 | 2023-08-22 | 无锡翔云道桥科技有限公司 | Recycled asphalt concrete and preparation method thereof |
| CN116621507B (en) * | 2023-05-26 | 2024-04-02 | 无锡翔云道桥科技有限公司 | Recycled asphalt concrete and preparation method thereof |
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Application publication date: 20190416 |