CN106009719A - Plant-mixed warm recycled asphalt mixture and preparation method thereof - Google Patents

Plant-mixed warm recycled asphalt mixture and preparation method thereof Download PDF

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Publication number
CN106009719A
CN106009719A CN201610344451.6A CN201610344451A CN106009719A CN 106009719 A CN106009719 A CN 106009719A CN 201610344451 A CN201610344451 A CN 201610344451A CN 106009719 A CN106009719 A CN 106009719A
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asphalt mixture
plantmix
warm
reclaimed asphalt
regenerative agent
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郭兆民
封昕
潘亚军
李秋飞
柳卫军
肖护兵
张玉贞
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Jiangsu Tiannuo Road Material Science & Technology Co Ltd
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Jiangsu Tiannuo Road Material Science & Technology Co Ltd
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Priority to CN201610344451.6A priority Critical patent/CN106009719A/en
Publication of CN106009719A publication Critical patent/CN106009719A/en
Priority to PCT/CN2017/093284 priority patent/WO2017202395A1/en
Priority to EP17802241.4A priority patent/EP3467045A4/en
Priority to JP2019514177A priority patent/JP6633248B2/en
Priority to US16/304,167 priority patent/US11472740B2/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic
    • C08L2207/22—Recycled asphalt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/30—Environmental or health characteristics, e.g. energy consumption, recycling or safety issues
    • C08L2555/34—Recycled or waste materials, e.g. reclaimed bitumen, asphalt, roads or pathways, recycled roof coverings or shingles, recycled aggregate, recycled tires, crumb rubber, glass or cullet, fly or fuel ash, or slag

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention relates to a road surface construction material, in particular to a plant-mixed warm recycled asphalt mixture and a preparation method thereof. The plant-mixed warm recycled asphalt mixture comprises the following components in percentage by mass: (20-70)% of RAP, (0 to 8)% of new aggregate, (0 to 8)% of limestone mineral powder, (0.5 to 5)% of new asphalt and (0 to 0.5)% of recycling agent, wherein the total mass percentage is 100%, the new asphalt has penetration of less than 75 (0.1mm) and a softening point of more than 48 DEG C, and the recycling agent has kinematic viscosity of (50-60000) mm2 / s at a temperature of 60 DEG C. The plant-mixed warm recycled asphalt mixture provided by the invention has the advantages of simple process, no grey material, good recycling effect, low cost, wide adaptability and good road performance.

Description

Plantmix's warm reclaimed asphalt mixture and preparation method thereof
Technical field
The present invention relates to pavement construction material, specifically a kind of plantmix warm reclaimed asphalt mixture and preparation method thereof.
Background technology
Traditionally, old bituminous paving is safeguarded, in repairing construction, have substantial amounts of dig, the mixing of milling Colophonium Material goes out of use, and on the one hand causes environmental pollution, for the country that on the other hand high-quality asphalt this for China is extremely deficient is A kind of wasting of resources, and use new building stones, exploitation stone ore that forest cover minimizing, soil erosion etc. can be caused serious along with a large amount of Environmental destruction.
Plant-mix heat recycle technology is the asphalt pavement regeneration method that our times is most commonly used, and it is first by Bituminous concrete surface Factory is transported back, by broken, screening (if desired), and according to old material Asphalt Content, Colophonium after concrete pavement material milling The index such as degree of aging, macadam gradating, mix a number of newly gather materials, Colophonium and regenerative agent (if desired) mix and stir, make Compound reaches the indices of code requirement, according to method identical with newly-built asphalt concrete pavement again making road A whole set of technique in face.This regeneration belongs to structural regeneration, can be effectively used to various under the conditions of old asphalt concrete The regeneration on road surface, not only save the raw materials such as a large amount of Colophonium, sandstone, cost saving, it is to avoid new resource consumption, Be conducive to processing waste material, protection environment simultaneously, thus there is significant economic benefit and society, environmental benefit.
It is easily controllable that plant-mix heat recycle technology has regeneration technology, and the performance of asphalt mixture after regeneration is preferable, and uses The advantage that scope is wide.But in conventional hot in-plant reclaimed technique, the most first by old material and individually heating of newly gathering materials, then by old Material mixes in mixing cylinder with newly gathering materials, and then disposably new Colophonium (or newly Colophonium and regenerative agent) is added to mix and stir in cylinder and is mixed With, obtain reclaimed asphalt mixture finished product, be directly used in paving.It is known that in reclaimed asphalt mixture, newly drip Blue or green (or new Colophonium and regenerative agent) is formed the most consistent cementing after interpenetrating with the aged asphalt in old material, exchange and merge Material, uniformly wraps up in that investing newly gathers materials just can obtain, on old material, the reclaimed asphalt mixture that form stable, comprehensive pavement performance are superior. But, tradition is mixed and stirred technique and is not accounted for that the aged asphalt in new Colophonium and old material reacts to each other, needs of combining closely are spy Could sufficiently complete under fixed temperature and time conditions, on the one hand cause and the regenerating mixture after mixing and stirring newly gathers materials and old material quilt It is different that Colophonium wraps up in attached degree, and the asphalt membrane that newly gathers materials is thin, old material asphalt filmthickness, and the lack of homogeneity of compound usually occurs The most fully wrap up in attached Colophonium after mixing and stirring newly the gathering materials of big particle diameter, and present grey material phenomenon；The newest Colophonium and old material In aged asphalt merge to wrap up in the most completely and be attached to outside aged asphalt, cause aged asphalt pavement performance fully to be changed Being apt to and live again, two kinds of Colophoniumes each play original characteristics in compound system.Thus have a strong impact on reclaimed asphalt mixture Comprehensive pavement performance, especially water stability, cryogenic property and fatigue life and the asphalts all using new materials Compare all to have and decline by a relatively large margin.
Summary of the invention
The technical problem to be solved is to provide that a kind of technique is simple, compound is without grey material, regeneration effect Good, cost is relatively low, wide accommodation, and good plantmix's warm reclaimed asphalt mixture of pavement performance and preparation method thereof.
The present invention plantmix warm reclaimed asphalt mixture composition by RAP (recovery asphalt pavement material), newly gather materials, Calx Rock breeze, new Colophonium and regenerative agent composition；Mass percent shared by each composition is: the RAP of (20～70) %, (30～80) % Newly gather materials, the limestone mineral powder of (0～8) %, the new Colophonium of (0.5～5) %, the regenerative agent of (0～0.5) %, its gross mass Meet 100%；Described new Asphalt Penetration is less than 75 (0.1mm), and softening point is more than 48 DEG C；The motion of described regenerative agent 60 DEG C Viscosity is (50～60000) mm2/s。
The described employing basaltic broken stone that newly gathers materials；New Colophonium uses AH-70 heavy traffic paving asphalt.
The preparation method of plantmix of the present invention warm reclaimed asphalt mixture, comprises the following steps:
(1) old bituminous paving carries out milling crush, it is thus achieved that RAP, detect bitumen content and the Bituminous concrete surface of RAP respectively Performance, mineral aggregate gradation；
(2) according to the testing result of step (1), each Ingredient percent of reclaimed asphalt mixture is warmed in above-mentioned plantmix In the range of determine the RAP in plantmix's warm reclaimed asphalt mixture, newly gather materials, the containing of limestone mineral powder, new Colophonium and regenerative agent Amount, determines regenerative agent type；
(3) RAP and newly gathering materials after heating is put into simultaneously mix and stir stirring in cylinder；
(4) load weighted regenerative agent, new Colophonium are added simultaneously in the product of step (3) gained stirring；
(5) limestone mineral powder is joined in the product of step (4) gained and stir；
(6) compound after being mixed and stirred by step (5) gained takes the dish out of the pot, and is stored in growth still and grows；
(7) compound through step (6) specified temp and under the conditions of the time grow after deliver from godown, molding.
In described step (2), the kinematic viscosity of regenerative agent 60 DEG C is (50～60000) mm2/ s,
In described step (3) heating-up temperature of milling material be (80～170) DEG C, new aggregate heating temperature be (90～210) DEG C, milling material and the mixing time newly gathered materials are (60-70) s.
In described step (4), regenerative agent heating-up temperature is (50～110) DEG C, and regenerative agent viscosity the highest selection developmental temperature is more Height, mixing time is (30～45) s.
Described step (5) limestone mineral powder is stirred for (30～45) s after adding.
Described step (6) compound is stored in after going out to mix and stir pot in the growth still with heating, stirring and heat insulation function and sends out Educating, during compound growth, range of temperature is within the scope of (± 5 DEG C).
Described step (7) compound developmental temperature is (40～170) DEG C, and regenerative agent viscosity the highest selection developmental temperature is more Height, development time is (0.5～6) h.
The present invention compared with the existing technology, has the following advantages and beneficial effect:
The asphalt pavement material (RAP) reclaimed is heated, when surface temperature reaches uniform temperature by the inventive method Time, the Bituminous concrete surface on surface starts to soften, melted, and gather materials with new heat mix and stir during the part of Bituminous concrete surface transfer to newly The surface gathered materials, also tends to unanimously with the temperature gathered materials stylish, old, it is ensured that it is thin that Bituminous concrete surface wraps in surface of aggregate new, old Film also tends to uniformly.Efficiently solve in existing renovation process new, the Bituminous concrete surface uneven distribution in surface of aggregate new, old, from And affect the crack resistance at low-temperature of compound, durability and fatigue life, completely eliminate reclaimed asphalt mixture and easily occur The problem of grey material.
The inventive method, compared with conventional plant-mix heat recycle technology, adds the growth technique of reclaimed asphalt mixture, pole The chance that big improve is new, interpenetrates, merge and organically combines between Bituminous concrete surface so that new Colophonium and regenerative agent are in recovery Having given full play to live again and reconstruction function in asphalt pavement material (RAP), improve the regeneration effect of Bituminous concrete surface, be newly formed is mixed Close material system pavement performance and be more nearly the newest hot-mix asphalt mixture, especially low-temperature cracking-resistance, anti-water damage Ability and fatigue life are the most significantly due to conventional high-performance plantmix warm reclaimed asphalt mixture.
The method of the present invention, compared with conventional plant-mix heat recycle technology, only increases the growth work of reclaimed asphalt mixture Skill, change mix and stir order, and this technique simply be prone to grasp.The plantmix's warm reclaimed asphalt mixture pavement performance produced is big Width improves, and can be directly used in each grade bitumen road surface, cutting optimal and the making of wearing course；There is the most economic and society's effect Benefit.
The method of the present invention have be easily achieved, reclamation of old material efficiency asphalt content high, new is few, effectively prevent regenerative mixed In material the appearance of grey material, regenerating mixture more uniformly, high-temperature stability, crack resistance at low-temperature, anti-water damage ability and tired The combination properties such as labor life-span are greatly improved.
Detailed description of the invention
Embodiment 1
The embodiment of laboratory test: test old asphalt pavement broken material (RAP) used is identical source same particle size specification Material, first in batching plant, RAP is sampled, then according to " highway engineering Colophonium and Asphalt Mixture Experiment code " In (JTG E20-2011), the method for T 0735 carries out bitumen content test, and it is 4.81% that test records the bitumen aggregate ratio of this RAP, right The old mineral aggregate that test obtains carries out sieve test, and sieve test the results are shown in Table 1；Use " highway engineering Colophonium and asphalt Testing regulations " T 0726 in (JTG E20-2011)
Method RAP is stripped test, the Bituminous concrete surface after extraction test reclaims, and the inspection that makes a service test Surveying, testing result is shown in Table 2.
Old mineral aggregate gradation result of the test in table 1 RAP
Bituminous concrete surface performance indications result of the test in table 2 RAP
Needle penetration 25 DEG C (0.1mm) Softening point DEG C Ductility 15 DEG C (cm) 60 DEG C of (mm of viscosity2/s)
22.5 65.0 23.2 1250*106
New mineral aggregate uses basalt, and this new mineral aggregate is formed by four and is grouped into, and first group of particle diameter is 0-2.36mm；Second group of grain Footpath is 2.36-4.75mm；3rd group of particle diameter is 4.75-9.5mm；4th group of particle diameter is 9.5-16.0mm.Four groups are gathered materials and carries out Sieve test, the results are shown in Table 3；Carry out relative density test, the results are shown in Table 4.
The new mineral aggregate sieve test result of table 3
The new mineral aggregate relative density test result of table 4
Particle diameter First group Second group 3rd group 4th group
Bulk specific gravity 2.810 2.853 2.871 2.885
Apparent relative density 2.943 2.961 2.953 2.960
Limestone mineral powder screening result is shown in Table 5.
Table 5 breeze screening result
New Colophonium selects domestic AH-70 bi tumenf orr oad, and performance indications are shown in Table 6.
Table 6 AH-70 bi tumenf orr oad Testing index
Regenerative agent selects 60 DEG C of kinematic viscositys to be 60000mm2(promise pavement material science and technology in sky, Jiangsu has the domestic regenerative agent of/s The RA900 type regenerative agent that limit company produces).
Plantmix's warm reclaimed asphalt mixture uses continuous close-graded AC-13C, according to " asphalt highway construction technology Specification " AC-13C formate gradation composition area requirement in JTG F40-2004, RAP, new mineral aggregate (four groups), limestone mineral powder are carried out level Fitting in, formate gradation composition the results are shown in Table 7.
Table 7 plantmix warm reclaimed asphalt mixture AC-13C formate gradation composition
Above-mentioned RAP is mixed and stirred with new mineral aggregate, breeze, new Colophonium, regenerative agent, wherein, RAP and all kinds of newly added material Mass percent is: the RAP of 48.66%；First group of new mineral aggregate of 19.46%；Second group of new mineral aggregate of 7.71%；4.87% 3rd group of new mineral aggregate；The 4th group of new mineral aggregate of 15.57%；The breeze of 0.97%；The new Colophonium of 2.45%；The regeneration of 0.31% Agent.
Above-mentioned RAP and new mineral aggregate, breeze, newly gather materials, regenerative agent is according to plantmix of the present invention warm reclaimed asphalt mixture Preparation method is mixed and stirred, and step is as follows:
(1) RAP is heated to 160 DEG C, newly gathers materials and be heated to 195 DEG C, then put into and mix and stir stirring 65s in pot
(2) regenerative agent being heated to 110 DEG C, new Colophonium is heated to 135 DEG C, then puts in mixing and stirring pot and step (1) Products therefrom mixes and stirs, and the mixing time is set as 40s.
(3) by load weighted breeze without heating, it is directly thrown in mixing and stirring pot and mixes with step (2) products therefrom With, the mixing time is set as 40s.
(4) step (3) products therefrom is taken the dish out of the pot, be then split into 7 aliquots (Y0, Y1, Y2, Y3, Y4, Y5, Y6), storage Existing in the special growth storehouse of 170 DEG C, Y0 grows 0.5h, Y1 growth 1h, Y2 growth 2h, Y3 growth 3h, Y4 growth 4h, Y5 and grows 5h, Y6 grow 6h.
(7) full compound is delivered from godown at a temperature of 170 DEG C, and try at 170 DEG C of compacted under asphalts Part, measures Asphalt Mixture.
For every kind of sample of the preparation method gained of above-mentioned plantmix warm reclaimed asphalt mixture, after indoor molding respectively Carry out high-temperature behavior (Marshall stability test, Dynamic stability test), cryogenic property (low temperature bend test), (horse has a rest water stability That residual stability test, indirect tensile test on frozen-thaw) and evaluate fatigue life (four-point bending girder fatigue life test), detection knot Fruit is shown in Table 8 respectively, table 9, table 10, table 11.
Table 8 high-performance plantmix warm reclaimed asphalt mixture high-temperature behavior testing result
Remarks: Y0, Y1, Y2, Y3, Y4, Y5, Y6 are high-performance plantmix warm reclaimed asphalt mixture difference at 170 DEG C Grow gained sample (lower same) after 0.5h, 1h, 2h, 3h, 4h, 5h, 6h；" standard specification for construction and acceptance of highway asphalt pavement " JTG F40- 2004 (hereinafter referred to as specifications) require that Marshall stability is not less than 8KN, and dynamic stability is not less than 1000 times/mm.
Table 9 plantmix warm reclaimed asphalt mixture cryogenic property testing result
Remarks: test temperature-10 DEG C, code requirement is not less than 2300 μ ε.
Table 10 plantmix warm reclaimed asphalt mixture water stability testing result
Remarks: code requirement Marshall residual stability ratio is not less than 75%, and freeze-thaw split strength ratio is not less than 70%.
Table 11 plantmix warm reclaimed asphalt mixture testing result fatigue life
Remarks: test temperature is 15 DEG C, target strains is 600 μ ε, loading frequency is 10HZ, test end condition is 50%.
Embodiment 2
The present embodiment is essentially identical with above-described embodiment 1, and difference is:
(1), new asphalt content accounts for the mass percent of plantmix's warm reclaimed asphalt mixture in the present embodiment is 2.23%, Regenerative agent selects 60 DEG C of kinematic viscositys to be 50mm2(Jiangsu Tian Nuo pavement material Science and Technology Ltd. produces the domestic regenerative agent of/s RA5 type regenerative agent), regenerant consumption account for high-performance warm reclaimed asphalt mixture mass percent be 0.38%.
(2), RAP heating-up temperature be 80 DEG C, new aggregate heating temperature is 90 DEG C, and regenerative agent heating-up temperature is 50 DEG C.
(3), by the compound taken the dish out of the pot it is divided into 7 aliquots (W0, W1, W2, W3, W4, W5, W6), is stored in 40 DEG C In special growth storehouse, W0 grows 0h, W1 growth 1h, W2 growth 2h, W3 growth 3h, W4 growth 4h, W5 and grows 5h, W6 growth 6h.
(4) full compound is delivered from godown at a temperature of 40 DEG C, and at 40 DEG C of compacted under bitumen mixture specimens, Measure Asphalt Mixture.
For every kind of sample of the preparation method gained of above-mentioned plantmix warm reclaimed asphalt mixture, after indoor molding respectively Carry out high-temperature behavior (Marshall stability test, Dynamic stability test), cryogenic property (low temperature bend test), (horse has a rest water stability That residual stability test, indirect tensile test on frozen-thaw) and evaluate fatigue life (four-point bending girder fatigue life test), detection knot Fruit is shown in Table 12 respectively, table 13, table 14, table 15.
Table 12 plantmix warm reclaimed asphalt mixture high-temperature behavior testing result
Remarks: W0, W1, W2, W3, W4, W5, W6 are that high-performance plantmix warm reclaimed asphalt mixture is sent out at 40 DEG C respectively Educate gained sample (lower same) after 0.5h, 1h, 2h, 3h, 4h, 5h, 6h；" standard specification for construction and acceptance of highway asphalt pavement " JTG F40- 2004 (hereinafter referred to as specifications) require that Marshall stability is not less than 8KN, and dynamic stability is not less than 1000 times/mm.
Table 13 plantmix warm reclaimed asphalt mixture cryogenic property testing result
Remarks: test temperature-10 DEG C, code requirement is not less than 2300 μ ε.
Table 14 plantmix warm reclaimed asphalt mixture water stability testing result
Remarks: code requirement Marshall residual stability ratio is not less than 75%, and freeze-thaw split strength ratio is not less than 70%.
Table 15 plantmix warm reclaimed asphalt mixture testing result fatigue life
Remarks: test temperature is 15 DEG C, target strains is 600 μ ε, loading frequency is 10HZ, test end condition is 50%.
Embodiment 3
The present embodiment is essentially identical with above-described embodiment 1, and difference is:
(1), new asphalt content accounts for the mass percent of plantmix's warm reclaimed asphalt mixture in the present embodiment is 2.37%, Regenerative agent selects 60 DEG C of kinematic viscositys to be 11520mm2(Jiangsu Tian Nuo pavement material Science and Technology Ltd. is raw for the domestic regenerative agent of/s The RA250 type regenerative agent produced), it is 0.30% that regenerant consumption accounts for the mass percent of high-performance warm reclaimed asphalt mixture.
(2), RAP heating-up temperature be 130 DEG C, new aggregate heating temperature is 170 DEG C, and regenerative agent heating-up temperature is 80 DEG C.
(3), by the compound taken the dish out of the pot it is divided into 7 aliquots (X0, X1, X2, X3, X4, X5, X6), is stored in 130 DEG C In special growth storehouse, X0 grows 0h, X1 growth 1h, X2 growth 2h, X3 growth 3h, X4 growth 4h, X5 and grows 5h, X6 growth 6h.
(4) full compound is delivered from godown at a temperature of 130 DEG C, and try at 130 DEG C of compacted under asphalts Part, measures Asphalt Mixture.
For every kind of sample of the preparation method gained of above-mentioned plantmix warm reclaimed asphalt mixture, after indoor molding, point Do not carry out high-temperature behavior (Marshall stability test, Dynamic stability test), cryogenic property (low temperature bend test), water stability (horse The test of Xie Er residual stability, indirect tensile test on frozen-thaw) and evaluate fatigue life (four-point bending girder fatigue life test), detection Result is shown in Table 16 respectively, table 17, table 18, table 19.
Table 16 plantmix warm reclaimed asphalt mixture high-temperature behavior testing result
Remarks: X0, X1, X2, X3, X4, X5, X6 are that high-performance plantmix warm reclaimed asphalt mixture is sent out at 40 DEG C respectively Educate gained sample (lower same) after 0.5h, 1h, 2h, 3h, 4h, 5h, 6h；" standard specification for construction and acceptance of highway asphalt pavement " JTG F40- 2004 (hereinafter referred to as specifications) require that Marshall stability is not less than 8KN, and dynamic stability is not less than 1000 times/mm.
Table 17 plantmix warm reclaimed asphalt mixture cryogenic property testing result
Remarks: test temperature-10 DEG C, code requirement is not less than 2300 μ ε.
Table 18 plantmix warm reclaimed asphalt mixture water stability testing result
Remarks: code requirement Marshall residual stability ratio is not less than 75%, and freeze-thaw split strength ratio is not less than 70%.
Table 19 plantmix warm reclaimed asphalt mixture testing result fatigue life
Remarks: test temperature is 15 DEG C, target strains is 600 μ ε, loading frequency is 10HZ, test end condition is 50%.

Claims (8)

1. plantmix's warm reclaimed asphalt mixture, is characterized in that: its composition by RAP, newly gather materials, limestone mineral powder, newly drip Blue or green and regenerative agent forms；Mass percent shared by each composition is: the RAP of (20～70) %, newly the gathering materials of (30～80) %, (0～ 8) limestone mineral powder of %, the new Colophonium of (0.5～5) %, the regenerative agent of (0～0.5) %, its gross mass meets 100%；Described new drip Blue or green needle penetration is less than；75(0.1mm), softening point is (50～60000) more than the kinematic viscosity of 48 DEG C of described regenerative agents 60 DEG C mm2/s。
Plantmix the most according to claim 1 warm reclaimed asphalt mixture, is characterized in that: the described employing basalt that newly gathers materials Rubble；New Colophonium uses AH-70 heavy traffic paving asphalt.
3. a preparation method for plantmix's warm reclaimed asphalt mixture of claim 1 or 2, is characterized in that: include following step Suddenly,
(1) old bituminous paving carries out milling crush, it is thus achieved that RAP, detect bitumen content and the Bituminous concrete surface of RAP respectively Energy, mineral aggregate gradation；
(2) according to the testing result of step (1), reclaimed asphalt mixture each Ingredient percent scope is warmed in above-mentioned plantmix Inside determine the RAP in plantmix's warm reclaimed asphalt mixture, newly gather materials, limestone mineral powder, new Colophonium and the content of regenerative agent, really Determine regenerative agent type；
(3) RAP and newly gathering materials after heating is put into simultaneously mix and stir stirring in cylinder；
(4) load weighted regenerative agent, new Colophonium are added simultaneously in the product of step (3) gained stirring；
(5) limestone mineral powder is joined in the product of step (4) gained and stir；
(6) compound after being mixed and stirred by step (5) gained takes the dish out of the pot, and is stored in growth still and grows；
(7) compound through step (6) specified temp and under the conditions of the time grow after deliver from godown, molding.
The preparation method of plantmix the most according to claim 2 warm reclaimed asphalt mixture, is characterized in that: wherein step (2) in, the kinematic viscosity of regenerative agent 60 DEG C is (50～60000) mm2/ s,
The preparation method of plantmix according to claim 2 warm reclaimed asphalt mixture, is characterized in that: described step (3) The heating-up temperature of middle milling material be (80～170) DEG C, new aggregate heating temperature be (90～210) DEG C, milling material with newly gather materials Mixing time is (60-70) s.
The preparation method of plantmix the most according to claim 2 warm reclaimed asphalt mixture, is characterized in that: described step (4) in, regenerative agent heating-up temperature is (50～110) DEG C, and regenerative agent viscosity the highest selection developmental temperature is the highest, and mixing time is (30 ～45) s.
The preparation method of plantmix the most according to claim 2 warm reclaimed asphalt mixture, is characterized in that: described step (5) limestone mineral powder is stirred for (30～45) s after adding.
The preparation method of plantmix the most according to claim 2 warm reclaimed asphalt mixture, is characterized in that: described step (6) compound is grown in being stored in the growth still with heating, stirring and heat insulation function after going out to mix and stir pot, during compound is grown Range of temperature is within the scope of (± 5 DEG C).
The preparation method of plantmix the most according to claim 2 warm reclaimed asphalt mixture, is characterized in that: described step (7) compound developmental temperature is (40～170) DEG C, and regenerative agent viscosity the highest selection developmental temperature is the highest, and development time is (0.5 ～6) h.
CN201610344451.6A 2016-05-23 2016-05-23 Plant-mixed warm recycled asphalt mixture and preparation method thereof Pending CN106009719A (en)

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Application Number Priority Date Filing Date Title
CN201610344451.6A CN106009719A (en) 2016-05-23 2016-05-23 Plant-mixed warm recycled asphalt mixture and preparation method thereof
PCT/CN2017/093284 WO2017202395A1 (en) 2016-05-23 2017-07-18 Plant mix warm regenerated asphalt mixture and preparation method therefor
EP17802241.4A EP3467045A4 (en) 2016-05-23 2017-07-18 Plant mix warm regenerated asphalt mixture and preparation method therefor
JP2019514177A JP6633248B2 (en) 2016-05-23 2017-07-18 Plant mix medium-temperature regenerated asphalt mixture and method for producing the same
US16/304,167 US11472740B2 (en) 2016-05-23 2017-07-18 Plant-mixed warm regenerated asphalt mixture and preparation method thereof

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CN106746926A (en) * 2016-12-13 2017-05-31 江苏天诺道路材料科技有限公司 Separate type plantmix warms the preparation method of reclaimed asphalt mixture
CN107129695A (en) * 2017-05-18 2017-09-05 江苏道润工程技术有限公司 The Emulsified Asphalt Mixture of cold in place recycling and cold in place recycling road surface
WO2017202395A1 (en) * 2016-05-23 2017-11-30 江苏天诺道路材料科技有限公司 Plant mix warm regenerated asphalt mixture and preparation method therefor
CN107488006A (en) * 2017-08-02 2017-12-19 深圳市博富隆新材料科技有限公司 A kind of modification regeneration asphalt and preparation method
CN108192365A (en) * 2018-01-03 2018-06-22 江苏路翔交通工程有限公司 A kind of asphalt heat recycling production technology
CN108589473A (en) * 2018-05-04 2018-09-28 同济大学 A kind of mixing method of hot in-plant reclaimed asphalt mixture
CN109626875A (en) * 2019-01-28 2019-04-16 上海时申工贸有限公司 A kind of hot in-plant reclaimed asphalt concrete and its preparation process
CN109626874A (en) * 2019-01-28 2019-04-16 上海时申工贸有限公司 A kind of antiseepage Recycled Asphalt Pavement and its preparation process
CN109650784A (en) * 2019-01-28 2019-04-19 上海时申工贸有限公司 A kind of asphalt and its production technology
CN109704650A (en) * 2019-01-26 2019-05-03 上海宝新特种沥青混凝土有限公司 A kind of wear-resisting Recycled Asphalt Pavement and its preparation process
CN110700033A (en) * 2019-09-06 2020-01-17 北京中天路业科技有限公司 Method for preparing durable asphalt concrete old material regeneration additive by utilizing waste tire rubber powder
CN111499273A (en) * 2020-04-27 2020-08-07 河南征远沥青砼有限公司 Preparation method of hot recycled asphalt mixture
CN111663405A (en) * 2020-06-11 2020-09-15 陕西中融交通建设有限公司 Thermal regeneration asphalt processing technology
CN114806200A (en) * 2022-06-01 2022-07-29 山东高速工程检测有限公司 High-performance warm-mix special asphalt based on in-situ thermal regeneration and mixture thereof
RU213244U1 (en) * 2022-05-05 2022-08-31 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" tillage unit
CN115819016A (en) * 2022-11-21 2023-03-21 南京宁通智能交通技术研究院有限公司 Medium-temperature asphalt regeneration mixture and preparation method thereof
CN115849766A (en) * 2022-09-23 2023-03-28 保利长大工程有限公司 Processing technology of mixing ratio of regenerant in hot mix plant recycled asphalt
WO2024113338A1 (en) * 2022-12-02 2024-06-06 南京宁通智能交通技术研究院有限公司 Medium-temperature regenerated asphalt mixture and preparation method therefor

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WO2017202395A1 (en) * 2016-05-23 2017-11-30 江苏天诺道路材料科技有限公司 Plant mix warm regenerated asphalt mixture and preparation method therefor
US11472740B2 (en) 2016-05-23 2022-10-18 Jiangsu Tiannuo Road Materials Co., Ltd. Plant-mixed warm regenerated asphalt mixture and preparation method thereof
CN106746926A (en) * 2016-12-13 2017-05-31 江苏天诺道路材料科技有限公司 Separate type plantmix warms the preparation method of reclaimed asphalt mixture
CN107129695A (en) * 2017-05-18 2017-09-05 江苏道润工程技术有限公司 The Emulsified Asphalt Mixture of cold in place recycling and cold in place recycling road surface
CN107488006A (en) * 2017-08-02 2017-12-19 深圳市博富隆新材料科技有限公司 A kind of modification regeneration asphalt and preparation method
CN108192365B (en) * 2018-01-03 2019-08-09 江苏路翔交通工程有限公司 A kind of asphalt heat recycling production technology
CN108192365A (en) * 2018-01-03 2018-06-22 江苏路翔交通工程有限公司 A kind of asphalt heat recycling production technology
CN108589473A (en) * 2018-05-04 2018-09-28 同济大学 A kind of mixing method of hot in-plant reclaimed asphalt mixture
CN109704650B (en) * 2019-01-26 2021-05-28 上海宝新特种沥青混凝土有限公司 Wear-resistant recycled asphalt concrete and preparation process thereof
CN109704650A (en) * 2019-01-26 2019-05-03 上海宝新特种沥青混凝土有限公司 A kind of wear-resisting Recycled Asphalt Pavement and its preparation process
CN109626875A (en) * 2019-01-28 2019-04-16 上海时申工贸有限公司 A kind of hot in-plant reclaimed asphalt concrete and its preparation process
CN109626874A (en) * 2019-01-28 2019-04-16 上海时申工贸有限公司 A kind of antiseepage Recycled Asphalt Pavement and its preparation process
CN109650784A (en) * 2019-01-28 2019-04-19 上海时申工贸有限公司 A kind of asphalt and its production technology
CN110700033A (en) * 2019-09-06 2020-01-17 北京中天路业科技有限公司 Method for preparing durable asphalt concrete old material regeneration additive by utilizing waste tire rubber powder
CN111499273A (en) * 2020-04-27 2020-08-07 河南征远沥青砼有限公司 Preparation method of hot recycled asphalt mixture
CN111663405A (en) * 2020-06-11 2020-09-15 陕西中融交通建设有限公司 Thermal regeneration asphalt processing technology
RU213244U1 (en) * 2022-05-05 2022-08-31 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" tillage unit
CN114806200A (en) * 2022-06-01 2022-07-29 山东高速工程检测有限公司 High-performance warm-mix special asphalt based on in-situ thermal regeneration and mixture thereof
CN115849766A (en) * 2022-09-23 2023-03-28 保利长大工程有限公司 Processing technology of mixing ratio of regenerant in hot mix plant recycled asphalt
CN115819016A (en) * 2022-11-21 2023-03-21 南京宁通智能交通技术研究院有限公司 Medium-temperature asphalt regeneration mixture and preparation method thereof
CN115819016B (en) * 2022-11-21 2023-10-27 南京宁通智能交通技术研究院有限公司 Medium-temperature asphalt recycling mixture and preparation method thereof
WO2024113338A1 (en) * 2022-12-02 2024-06-06 南京宁通智能交通技术研究院有限公司 Medium-temperature regenerated asphalt mixture and preparation method therefor

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Application publication date: 20161012