CN107129695A - The Emulsified Asphalt Mixture of cold in place recycling and cold in place recycling road surface - Google Patents
The Emulsified Asphalt Mixture of cold in place recycling and cold in place recycling road surface Download PDFInfo
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- CN107129695A CN107129695A CN201710353691.7A CN201710353691A CN107129695A CN 107129695 A CN107129695 A CN 107129695A CN 201710353691 A CN201710353691 A CN 201710353691A CN 107129695 A CN107129695 A CN 107129695A
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/20—Binder incorporated in cold state, e.g. natural asphalt
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
- C08L2207/22—Recycled asphalt
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses the Emulsified Asphalt Mixture of cold in place recycling and cold in place recycling road surface.The Emulsified Asphalt Mixture, its raw material includes following components according to mass parts：2~3 parts of premixing binder materials, 10~20 parts of rubbles, 100 parts of RAP reworked materials, 2~2.5 parts of emulsified asphalts, 1~1.5 part of Bituminous concrete surface activator and 1~1.5 part of aqueous polyurethane epoxy resin.The Emulsified Asphalt Mixture of the cold in place recycling of the present invention, by adding aqueous polyurethane epoxy resin into RAP reworked materials, Bituminous concrete surface activator, drastically increases the low temperature flexibility and high-temperature stability of emulsified asphalt cold in place recycling compound；Add rubble and premixing binder materials improves mechanical strength, provide enough bearing capacities for cold renewal Emulsified Asphalt Mixture in addition, by adding latex emulsion, drastically increasing the early strength of emulsified asphalt cold in place recycling compound.
Description
Technical field
The present invention relates to the technical field of road maintenance, in particular to the Emulsified Asphalt Mixture of cold in place recycling
And cold in place recycling road surface.
Background technology
Efficiently, road pavement regenerated aggregate has higher utilization rate, and emulsification drip to emulsified asphalt cold in place recycling construction technology
Blue or green cold recycling technology is to construct at normal temperatures, is not required to heated asphalt, it is to avoid the high temperature ageing of pitch causes performance degradation, so as to carry
The anti-fatigue performance on high road surface, extends the service life on road surface.Meanwhile, the technology can be in the case of roadbed not be damaged, accurate control
Paving layer thickness processed, improves Pavement Condition, improves old road grade.In asphalt pavement rut, load class crack and non-load
In the punishment of the diseases such as class crack and heavy resurfacing engineering, emulsified asphalt cold recycling technology can increase substantially the overall matter of highway
Construction cost in amount, reduction highway life cycle saves a large amount of soils and mineral resources, is conducive to preserving the ecological environment and applies
Work is simple, and progress is fast, and open to traffic is early, and the influence to traffic is smaller, is particularly suitable for use in the heavy rebuilding old road upgrading of traffic.
In engineer applied, Cold Recycled Mixture with Emulsified Asphalt structure sheaf can be used for basic unit and the cutting optimal of high-grade highway, and other
Each structure sheaf of standard highway.
In the prior art, still there is intensity formation early stage caking property between cold in place recycling compound poor, gather materials and deposit
The problems such as loose and threshing, stability deficiency, this is mainly with the de-emulsification speed of emulsified asphalt and the level of reworked material with relevant.
The content of the invention
In view of this, one aspect of the present invention is to provide a kind of Emulsified Asphalt Mixture of cold in place recycling, emulsification drip
Blue or green compound has preferable low temperature flexibility and high-temperature stability.
A kind of Emulsified Asphalt Mixture of cold in place recycling, its raw material includes following components according to mass parts：2~3 parts pre-
Glue mixing gel material, 100 parts of RAP reworked materials, 10~20 parts of rubbles, 2~2.5 parts of emulsified asphalts, 1~1.5 part of Bituminous concrete surface activator
With 1~1.5 part of aqueous polyurethane epoxy resin.
Further, its raw material also includes 1~1.5 part of latex emulsion according to mass parts；
Preferably, the latex emulsion is butadiene-styrene latex, neoprene latex, natural emulsion and ethylene-vinyl acetate copolymer
In one kind or at least two kinds.
Further, its raw material also includes 2~3 parts of premixing binder materials according to mass parts；
Preferably, the premixing binder materials is the mixture of cement and slag slaked lime powder.
Further, the cement is portland cement, Portland cement, portland slag cement, volcanic ash silicon
One kind of acid salt cement or at least two kinds.
Further, the raw material of the emulsified asphalt comprising 55~70wt% emulsified asphalts, 2~2.5wt% emulsifying agents with
And the water of surplus.
Further, the emulsifying agent is cationic emulsifier, preferably alkylammonium salt emulsifying agent or quaternary ammonium salts emulsification
Agent, particularly preferably Tension of Lignin Quaternary Ammonium Salt.
Further, the Emulsified Asphalt Mixture also includes 1~1.5 part of stabilizer according to mass parts.
Further, the mass parts for the water that described Emulsified Asphalt Mixture is included are 3~5 parts.
Further, the Bituminous concrete surface activator is solvent naphtha or aromatic oil.
Another aspect of the present invention is to provide a kind of cold in place recycling road surface, the pavement usage have it is higher have it is preferable
Low temperature flexibility and high-temperature stability Emulsified Asphalt Mixture.
A kind of cold in place recycling road surface, is formed by the laying of above-mentioned Emulsified Asphalt Mixture.
The Emulsified Asphalt Mixture of the cold in place recycling of the present invention, by being added into RAP reworked materials, Bituminous concrete surface activator
Aqueous polyurethane epoxy resin, drastically increases the low temperature flexibility and high-temperature stable of emulsified asphalt cold in place recycling compound
Property.In addition, by adding latex emulsion, the early strength of the very big emulsified asphalt cold in place recycling compound improved.Premixing
The new building stones of big particle diameter in material provide enough bearing capacities for cold renewal Emulsified Asphalt Mixture.
Embodiment
Unless otherwise defined, all technologies used herein and scientific terminology have and the common skill of art of the present invention
The identical implication that art personnel are generally understood that.When there is contradiction, the definition in this specification is defined.
Term as used herein：
" by ... prepare " it is synonymous with "comprising".Term "comprising" used herein, " comprising ", " having ", " containing "
Or its any other deformation, it is intended that cover including for non-exclusionism.For example, composition, step, method comprising listed elements,
Product or device are not necessarily limited to those key elements, but can include not expressly listed other key elements or such a composition, step
Suddenly, method, product or the intrinsic key element of device.
Conjunction " by ... constitute " exclude any key element do not pointed out, step or component.If be used in claim,
This phrase will make claim be closed, it is not included the material in addition to materials of those descriptions, but relative
Except customary impurities.When phrase " by ... constitute " be rather than immediately following theme in the clause that appears in claim main body after
When, it is only limited to the key element described in the clause；Other key elements be not excluded as the overall claim it
Outside.
Equivalent, concentration or other values or parameter are excellent with scope, preferred scope or a series of upper limit preferred values and lower limit
During the Range Representation that choosing value is limited, this, which is appreciated that, specifically discloses by any range limit or preferred value and any scope
All scopes that any pairing of lower limit or preferred value is formed, regardless of whether whether the scope separately discloses.For example, when open
Scope " when 1~5 ", described scope should be interpreted as including scope " 1~4 ", " 1~3 ", " 1~2 ", " 1~2 and 4~
5 ", " 1~3 and 5 " etc..When number range is described herein, unless otherwise indicated, otherwise the scope is intended to include its end
Value and all integers and fraction within the range.
" mass parts " refer to the basic measurement unit for the mass ratio relation for representing multiple components, and 1 part can represent arbitrary list
Position quality, can such as be expressed as 1g, may also indicate that 2.689g etc..If we say that the mass parts of component A are a parts, the matter of B component
It is b parts to measure part, then it represents that the quality of component A and the mass ratio a of B component：b.Or, the quality for representing component A is aK, B groups
The quality divided is bK (K is Arbitrary Digit, represents multiplying factor).It can not misread, and unlike mass fraction, all components
Mass parts sum be not limited to 100 parts of limitation.
"and/or" is used to represent that one of illustrated situation or both may to occur, for example, A and/or B includes (A
And B) and (A or B)；
In addition, the indefinite article " one kind " and " one " before key element of the present invention or component are to key element or the quantitative requirement of component
(i.e. occurrence number) unrestriction.Therefore " one " or " one kind " should be read as including one or at least one, and odd number
The key element or component of form also include plural form, unless the obvious purport of the quantity refers to singulative.
The Emulsified Asphalt Mixture of the cold in place recycling of the present invention, its raw material includes following components according to mass parts：2-3 parts
Premixing binder materials, 10~20 parts of rubbles, 100 parts of RAP reworked materials, 2-2.5 parts of emulsified asphalts, 1~1.5 part of Bituminous concrete surface activation
Agent, 1~1.5 part of latex emulsion and 1~1.5 part of aqueous polyurethane epoxy resin.Specifically, the mass parts of Bituminous concrete surface activator can
Think 1 part, 1.05 parts, 1.1 parts, 1.15 parts, 1.2 parts, 1.25 parts, 1.3 parts, 1.4 parts, 1.45 parts, 1.48 parts or 1.5 parts etc.；
The mass parts of latex emulsion can for 1 part, 1.05 parts, 1.1 parts, 1.15 parts, 1.2 parts, 1.25 parts, 1.3 parts, 1.4 parts, 1.45
Part, 1.48 parts or 1.5 parts etc..
Above-mentioned term " RAP reworked materials " is reclaimed asphalt mixture (Reclaimed Asphalt Pavement) contracting
Write, refer to by old asphalt pavement after digging, reclaiming, crush, sieve, with regenerative agent, new pitch material, new gather materials etc. by one
The compound that certainty ratio is mixed and stirred again.
The effect of above-mentioned Bituminous concrete surface activator is to recover part Bituminous concrete surface performance in RAP reworked materials.Bituminous concrete surface activator can
Include solvent naphtha or aromatic oil (or being aromatic naphtha).Here, aromatic naphtha is aromatic hydrocarbon in rubber aromatic oil, rubber aromatic oil
Content is 70~87%, and saturated hydrocarbon content is 20~35%, polar substances content<25%, olefin(e) centent<0.5%；The rubber
The percentage composition sum of all components is 100% in aromatic naphtha.Solvent naphtha can for 200# solvent naphthas, 260# solvent naphthas, 180#,
220# high boiling point solvent oils or its any combination.
In the present invention, aqueous polyurethane epoxy resin can enhance asphalt low temperature flexibility and high temperature it is steady
It is qualitative.Aqueous polyurethane epoxy resin refers to the polymer using PU-Epoxy.A kind of chemical modification side can be included
Method obtains the mode of aqueous polyurethane epoxy resin, is specially：Polyethylene glycol 80 is put into the drying with stirring and reflux condensation mode
Four-hole boiling flask, is heated to 80 DEG C, vacuumizes abjection moisture, and nitrogen charging gas shielded is slowly added to hexamethylene-diisocyanate, added
After continue under stirring react 4 hours.Epoxychloropropane and appropriate sodium hydroxide are added, continues insulation reaction 6 hours,
Then distill and wash and remove accessory substance and unreacted raw material, produce described polyurethane-epoxy resin.4.5 parts of polyethers are more
First alcohol emulsifying agent and 50 parts of water are heated to 70 DEG C, are dissolved under stirring, are then slowly added to 45 parts of polyurethane-epoxy resin,
Continue to stir 1 hour after adding, add 0.6 part of auxiliary agent sodium carboxymethylcellulose, described aqueous poly- ammonia is produced after dissolving completely
Ester epoxy resin.Or ground, a kind of synthesis mode can be also included, is specially：In 500mL three-necked bottles put into epoxy resin,
TDI, the surfactant of modification, polymerization inhibitor, (reactant is dissolved in acetone, instills nitrous acid to terminal for heating stirring reaction
The constant yellow of saturated aqueous solution of sodium).And triethylenetetramine is put into 1000mL four-necked bottles, controlling reaction temperature is slowly added to above-mentioned
Reactant carries out addition reaction；Butyl glycidyl ether is added dropwise to block addition product, hydrophile-lipophile balance is adjusted with acetic acid.
Aqueous polyurethane epoxy resin can also be by the way of physical blending, i.e., by aqueous polyurethane and aqueous epoxy resins
Carry out sufficiently mixing according to certain ratio.
Above-mentioned, emulsifying agent can include cationic emulsifier, preferably alkylammonium salt emulsifying agent or quaternary ammonium salts emulsifying agent.
In order to improve the phase separation of emulsified asphalt, emulsifying agent can be particularly preferably Tension of Lignin Quaternary Ammonium Salt.Lignin cation
The acquisition pattern of emulsifying agent can be specially：300g ready denier oil acids add 40g cis-butenedioic anhydrides and 0.6g iodine, in N2Under protection, rise
Temperature is reacted 10 hours to 180 DEG C, and tricarboxylic acid intermediate is made.240g triethylene tetramines are heated to after 130 DEG C, substep adds
Enter 40g lignin and 25g paraformaldehydes, after reaction is carried out 2 hours, previously prepared tricarboxylic acid intermediate and 4g are added step by step
Silica gel, in N2Under protective condition, 170 DEG C are warming up to, is dehydrated 2 hours, 200 DEG C is continuously heating to and is dehydrated 2 hours.It is wooden except this
Plain cationic emulsifier can also be carried out by the way of other well known, the method as described in CN103102493A：A, by ring-type
Amine, second alcohols and aldehydes are at 10~30 DEG C, after reacting 1~3 hour, remove ethanol, and it is 0.6~3 to add with ethanol volume ratio
Water；B, step A resulting materials are added drop-wise to during mass concentration is the lignin aqueous slkali that 30~50%, pH is 8~11, Ran Hou
At 30~70 DEG C, 3~7h is reacted, the lignin cation asphalt emulgent of high temperature tolerance is obtained；In step A, cyclic amine and aldehyde
Mol ratio is 1:1~1:2；40~60g lignin is needed per 0.1mol cyclic amines.Cyclic amine is that uracil, fluorouracil, bird are fast
One or more kinds of mixtures arbitrarily matched in purine, thymidine or xanthine.
In order to improve the early strength of emulsified asphalt of the invention, the raw material of emulsified asphalt also includes 2~3 according to mass parts
Part latex emulsion, such as 2 parts, 2.2 parts, 2.5 parts, 2.8 parts or 3 parts.Latex emulsion can include butadiene-styrene latex, neoprene breast
Instantiation in glue, natural emulsion and ethylene-vinyl acetate copolymer, particularly preferably ethylene-vinyl acetate copolymer are (i.e.
EVE emulsions).
In order to further improve the de-emulsification speed of emulsified asphalt and the mechanical property of asphalt, premixing can be also added
Binder materials and rubble.Premixing binder materials is the mixture of cement and slag slaked lime powder.Cold Recycled Mixture with Emulsified Asphalt
It is middle to add appropriate cement, emulsion breaking process can be substantially speeded up, shortens the intensity formation time, the early stage for improving regenerating mixture is strong
Degree, improves its high-temperature stability and anti-water damage；
Slag slaked lime powder particle diameter is small, and specific surface area is big, be dispersed in Emulsified Asphalt Mixture thus its accelerate it is broken
Breast effect is quite obvious, and after slag slaked lime powder incorporation emulsified bitulith, its very hydroxyl surface can adsorb a large amount of acidity
Emulsified asphalt droplet, and accelerate demulsification to be conducive to the recovery of asphalt performance, improve emulsified bitulith bulk strength.
The addition of rubble helps to greatly improve the mechanical property of asphalt, it is ensured that Recycling Base has enough hold
Carry power.The particle diameter of rubble is preferred with big particle diameter, and such as 15~30mm can make ability as the mixing ratio of three according to actual conditions
The mode that field technique personnel easily imagine.Herein, preferably, cement can include portland cement, Portland cement, ore deposit
The instantiations such as slag portland cement, portland-pozzolan cement or its any combination.
The raw material of the emulsified asphalt of the present invention is according to mass parts also comprising 3.5~6.5 parts of matrix pitches, such as its mass parts
It can be 3.5 parts, 3.6 parts, 3.8 parts, 4.0 parts, 4.5 parts, 5.0 parts, 5.5 parts, 6 parts, 6.2 parts, 6.4 parts, 6.5 parts etc..
The raw material of the emulsified asphalt of the present invention also includes 1~1.5 part of stabilizer according to mass parts, for example, its mass parts can
For 1 part, 1.05 parts, 1.1 parts, 1.15 parts, 1.2 parts, 1.25 parts, 1.3 parts, 1.4 parts, 1.45 parts, 1.48 parts or 1.5 parts etc..This
Place, the effect of stabilizer is the emulsion state for maintaining emulsified asphalt.Stabilizer can be organic stabilizer, such as polyvinyl alcohol or methyl
Cellulose；Or be inorganic stabilizers, such as calcium chloride, ammonium chloride, sodium sulphate, sodium phosphate.
This area is it is easily understood that the emulsified asphalt of the present invention necessarily includes water.The content of water using mass parts as 3~
5 parts are preferred, such as 3 parts, 3.2 parts, 3.5 parts, 4 parts, 4.5 parts, 4.8 parts or 5 parts.
The conventional other raw materials in this area can be also added as needed, such as using water soluble silica as the water solubility of representative
Silica.
The cold in place recycling road surface of the present invention, is formed by the laying of above-mentioned Emulsified Asphalt Mixture.
As for the concrete mode of laying, Ke Yishi, in advance by premixing binder materials (for example, cement and slag slaked lime powder
Compound) uniform spill be layered on pending road surface, cold renewal unit treats processing road surface and carries out milling, then enters in stir storehouse
Row stirring, breast is obtained after the mixed liquor of emulsified asphalt, waste asphalt activator and latex emulsion, mix are sprayed during mix
Change pitch cold in place recycling compound, synchronous transport is paved to paver, rolled by road roller, and breast is obtained after health
Change cold asphalt rehabilitation road surface.
Do not address part above and be applied to prior art.
Embodiment 1
Step 1: 300g ready denier oil acids add 40g cis-butenedioic anhydrides and 0.6g iodine, in N2Under protection, 180 DEG C are warming up to,
Reaction 10 hours, is made tricarboxylic acid intermediate.240g triethylene tetramines are heated to after 130 DEG C, substep adds 40g lignin
With 25g paraformaldehydes, after reaction is carried out 2 hours, previously prepared tricarboxylic acid intermediate and 4g silica gel are added step by step, in N2Protect
Under the conditions of shield, 170 DEG C are warming up to, is dehydrated 2 hours, 200 DEG C is continuously heating to and is dehydrated 2 hours, obtain lignin cation emulsified
Agent, with stand-by.
Step 2: effective content is 50% asphalt emulsifier, about 170m1 water is added, is gently mixed, to be emulsified dose complete
After fully dissolved, with the pH of concentrated hydrochloric acid regulation solution to 2.0 or so, and 200m1 is settled to.Colloid mill is opened, it will be preheated to 50~
60 DEG C of emulsifier aqueous solution is poured into colloid mill, and the matrix pitch that then will warm up 130~140 DEG C slowly falls while stirring
Enter in colloid mill, after circular grinding 1min, emulsified asphalt can be obtained.Aqueous polyurethane epoxy resin is mixed with the component of emulsified asphalt two
Conjunction, which stirs, produces Waterborne polyurethane epoxy resin modified emulsified asphalt.
Step 3: weighing proportioning raw material：100 parts of RAP reworked materials, 1 part of Bituminous concrete surface activator, 2.5 parts of emulsified asphalts, 1 part
Latex emulsion, 1 part of premixing binder materials, 10 parts of rubbles, 1 part of stabilizer, 3 parts of water.It is advance by premixing binder materials and new broken
Stone, which is uniformly spilt, is layered on pending road surface, and cold renewal unit treats processing road surface and carries out milling, is then stirred in stir storehouse,
Breast is obtained after the mixed liquor of emulsified asphalt, waste asphalt activator, stabilizer and latex emulsion, mix are sprayed during mix
Change pitch cold in place recycling compound, synchronous transport is paved to paver, rolled by road roller, breast is formed after health
Change pitch cold in place recycling road surface.
Mixed in addition, the cold in place recycling compound obtains emulsified asphalt after being stirred by cold regenerative machine milling stir storehouse
Close and expect that entrucking is transported to strange land and paved.
Emulsified Asphalt Mixture for this example is tested in the way of in below table, table specific as follows：
Embodiment 2
Step 1: 300g ready denier oil acids add 40g cis-butenedioic anhydrides and 0.6g iodine, in N2Under protection, 180 DEG C are warming up to,
Reaction 10 hours, is made ternary shuttle carboxylic acid intermediate.240g triethylene tetramines are heated to after 130 DEG C, it is wooden that substep adds 40g
Element and 25g paraformaldehydes, after reaction is carried out 2 hours, add previously prepared tricarboxylic acid intermediate and 4g silica gel, in N step by step2
Under protective condition, 170 DEG C are warming up to, is dehydrated 2 hours, 200 DEG C is continuously heating to and is dehydrated 2 hours, obtain lignin cationic galactomannan
Agent, with stand-by.
Step 2: effective content is 50% asphalt emulsifier, about 170m1 water is added, is gently mixed, to be emulsified dose complete
After fully dissolved, with the pH of concentrated hydrochloric acid regulation solution to 2.0 or so, and 200m1 is settled to.Colloid mill is opened, it will be preheated to 50~
60 DEG C of emulsifier aqueous solution is poured into colloid mill, and the matrix pitch that then will warm up 130~140 DEG C slowly falls while stirring
Enter in colloid mill, after circular grinding 1min, emulsified asphalt can be obtained.Aqueous polyurethane epoxy resin is mixed with the component of emulsified asphalt two
Conjunction, which stirs, produces Waterborne polyurethane epoxy resin modified emulsified asphalt.
Step 3: weighing proportioning raw material：100 parts of RAP reworked materials, 1.5 parts of Bituminous concrete surface activators, 2 parts of emulsified asphalts, 1 part
Latex emulsion, 1.5 parts of compound, 1.5 parts of stabilizers, 5 parts of water by cement and slag slaked lime powder.Premixing is gelled material in advance
Material and new rubble uniformly spill and are layered on pending road surface, and cold renewal unit treats processing road surface and carries out milling, then in stir storehouse
In be stirred, the mixed liquor of emulsified asphalt, waste asphalt activator, stabilizer and latex emulsion is sprayed during mix,
Emulsified asphalt cold in place recycling compound is obtained after mix, synchronous transport is paved to paver, rolled by road roller,
Emulsified asphalt cold in place recycling road surface is formed after health.
Mixed in addition, the cold in place recycling compound obtains emulsified asphalt after being stirred by cold regenerative machine milling stir storehouse
Close and expect that entrucking is transported to strange land and paved.
Emulsified Asphalt Mixture for this example is tested in the way of in below table, table specific as follows：
The technical indicator of the Emulsified Asphalt Mixture of 2 embodiment of table 2
Embodiment 3
Step 1: 300g ready denier oil acids add 40g cis-butenedioic anhydrides and 0.6g iodine, in N2Under protection, 180 DEG C are warming up to,
Reaction 10 hours, is made ternary shuttle carboxylic acid intermediate.240g triethylene tetramines are heated to after 130 DEG C, it is wooden that substep adds 40g
Element and 25g paraformaldehydes, after reaction is carried out 2 hours, add previously prepared tricarboxylic acid intermediate and 4g silica gel, in N step by step2
Under protective condition, 170 DEG C are warming up to, is dehydrated 2 hours, 200 DEG C is continuously heating to and is dehydrated 2 hours, obtain lignin cationic galactomannan
Agent, with stand-by.
Step 2: effective content is 50% asphalt emulsifier, about 170m1 water is added, is gently mixed, to be emulsified dose complete
After fully dissolved, with the pH of concentrated hydrochloric acid regulation solution to 2.0 or so, and 200m1 is settled to.Colloid mill is opened, it will be preheated to 50~
60 DEG C of emulsifier aqueous solution is poured into colloid mill, and the matrix pitch that then will warm up 130~140 DEG C slowly falls while stirring
Enter in colloid mill, after circular grinding 1min, emulsified asphalt can be obtained.By aqueous polyurethane epoxy resin and the component of emulsified asphalt two
It is mixed evenly and produces Waterborne polyurethane epoxy resin modified emulsified asphalt.
Step 3: weighing proportioning raw material：100 parts of RAP reworked materials, 1~1.5 part of Bituminous concrete surface activator, 2.5 parts of emulsification drips
Blue or green, 1 part of latex emulsion, 1 part of compound, 1 part of stabilizer, 4 parts of water by cement and slag slaked lime powder.Premixing is gelled in advance
Material and new rubble, which are uniformly spilt, is layered on pending road surface, and cold renewal unit treats processing road surface and carries out milling, then in stirring
It is stirred in storehouse, the mixing of emulsified asphalt, waste asphalt activator, stabilizer and latex emulsion is sprayed during mix
Emulsified asphalt cold in place recycling compound is obtained after liquid, mix, synchronous transport is paved to paver, ground by road roller
Pressure, forms emulsified asphalt cold in place recycling road surface after health.
Mixed in addition, the cold in place recycling compound obtains emulsified asphalt after being stirred by cold regenerative machine milling stir storehouse
Close and expect that entrucking is transported to strange land and paved.
The technical indicator of the Emulsified Asphalt Mixture of 3 embodiment of table 3
Embodiment 4
Step 1: 300g ready denier oil acids add 40g cis-butenedioic anhydrides and 0.6g iodine, in N2Under protection, 180 DEG C are warming up to,
Reaction 10 hours, is made ternary shuttle carboxylic acid intermediate.240g triethylene tetramines are heated to after 130 DEG C, it is wooden that substep adds 40g
Element and 25g paraformaldehydes, after reaction is carried out 2 hours, add previously prepared tricarboxylic acid intermediate and 4g silica gel, in N step by step2
Under protective condition, 170 DEG C are warming up to, is dehydrated 2 hours, 200 DEG C is continuously heating to and is dehydrated 2 hours, obtain lignin cationic galactomannan
Agent, with stand-by.
Step 2: effective content is 50% asphalt emulsifier, about 170m1 water is added, is gently mixed, to be emulsified dose complete
After fully dissolved, with the pH of concentrated hydrochloric acid regulation solution to 2.0 or so, and 200m1 is settled to.Colloid mill is opened, it will be preheated to 50~
60 DEG C of emulsifier aqueous solution is poured into colloid mill, and the matrix pitch that then will warm up 130~140 DEG C slowly falls while stirring
Enter in colloid mill, after circular grinding 1min, emulsified asphalt can be obtained.By aqueous polyurethane epoxy resin and the component of emulsified asphalt two
It is mixed evenly and produces Waterborne polyurethane epoxy resin modified emulsified asphalt.
Step 3: weighing proportioning raw material：100 parts of RAP reworked materials, 1~1.5 part of Bituminous concrete surface activator, 2.5 parts of emulsification drips
Blue or green, 1 part of latex emulsion, 1 part of compound, 1 part of stabilizer, 4 parts of water by cement and slag slaked lime powder.Premixing is gelled in advance
Material and new rubble, which are uniformly spilt, is layered on pending road surface, and cold renewal unit treats processing road surface and carries out milling, then in stirring
It is stirred in storehouse, the mixing of emulsified asphalt, waste asphalt activator, stabilizer and latex emulsion is sprayed during mix
Emulsified asphalt cold in place recycling compound is obtained after liquid, mix, synchronous transport is paved to paver, ground by road roller
Pressure, forms emulsified asphalt cold in place recycling road surface after health.
Mixed in addition, the cold in place recycling compound obtains emulsified asphalt after being stirred by cold regenerative machine milling stir storehouse
Close and expect that entrucking is transported to strange land and paved.
The technical indicator of the Emulsified Asphalt Mixture of 4 embodiment of table 4
Because the number range of each technological parameter involved in the present invention can not possibly all embody in the above-described embodiments,
As long as but those skilled in the art's envisioned any numerical value fallen into the above-mentioned number range completely can implement this
Invention, also includes any combination of occurrence in the range of some numerical value certainly.Herein, for the consideration of length, eliminate to
Go out the embodiment of occurrence in certain one or more of number range, this disclosure for being not to be construed as technical scheme is not filled
Point.
Applicant states that the present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, do not mean that the present invention has to rely on above-mentioned detailed
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
Addition, concrete mode selection of equivalence replacement and auxiliary element to each raw material of product of the present invention etc., fall the protection in the present invention
In the range of.
Claims (10)
1. a kind of Emulsified Asphalt Mixture of cold in place recycling, it is characterised in that its raw material includes following components according to mass parts：
2~3 parts of premixing binder materials, 100 parts of RAP reworked materials, 2~2.5 parts of emulsified asphalts, 10~20 parts of rubbles, 1~1.5 part of old drip
Blue or green activator and 1~1.5 part of aqueous polyurethane epoxy resin.
2. Emulsified Asphalt Mixture according to claim 1, it is characterised in that its raw material according to mass parts also comprising 1~
1.5 parts of latex emulsions；
Preferably, the latex emulsion is in butadiene-styrene latex, neoprene latex, natural emulsion and ethylene-vinyl acetate copolymer
It is a kind of or at least two kinds.
3. Emulsified Asphalt Mixture according to claim 1, it is characterised in that the premixing binder materials is cement and ore deposit
The mixture of slag slaked lime powder.
4. Emulsified Asphalt Mixture according to claim 3, it is characterised in that the cement is portland cement, commonly
Portland cement, portland slag cement, one kind of portland-pozzolan cement or at least two kinds.
5. Emulsified Asphalt Mixture according to claim 1, it is characterised in that the raw material of the emulsified asphalt comprising 55~
The water of 70wt% matrix pitches, 2~2.5wt% emulsifying agents and surplus.
6. Emulsified Asphalt Mixture according to claim 5, it is characterised in that the emulsifying agent is cationic emulsifier,
Preferably alkylammonium salt emulsifying agent or quaternary ammonium salts emulsifying agent, particularly preferably Tension of Lignin Quaternary Ammonium Salt.
7. Emulsified Asphalt Mixture according to claim 1, it is characterised in that its raw material according to mass parts also comprising 1~
1.5 parts of stabilizers.
8. Emulsified Asphalt Mixture according to claim 1, it is characterised in that the mass parts for the water that its raw material is included are
3~5 parts.
9. Emulsified Asphalt Mixture according to claim 1, it is characterised in that the Bituminous concrete surface activator be solvent naphtha or
Aromatic oil.
10. a kind of cold in place recycling road surface, it is characterised in that the Emulsified Asphalt Mixture as described in claim 1~9 any one
Laying is formed.
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| CN108504118A (en) * | 2018-05-10 | 2018-09-07 | 湖南云中再生科技股份有限公司 | RAP pitches softening fusion regenerative agent and its application |
| CN109704651A (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 asphalt and preparation method thereof |
| CN110794123A (en) * | 2019-10-23 | 2020-02-14 | 山东省交通科学研究院 | Emulsified asphalt demulsification speed detection mineral aggregate based on equivalent surface area principle and method |
| CN111269692A (en) * | 2020-04-09 | 2020-06-12 | 江苏西尔玛道路环保材料有限公司 | Crack pouring material for asphalt pavement and preparation method thereof |
| CN111517733A (en) * | 2020-04-21 | 2020-08-11 | 廊坊市交通公路工程有限公司 | Emulsified asphalt pavement regeneration material capable of reducing cracking and preparation and construction methods thereof |
| CN111719371A (en) * | 2019-03-22 | 2020-09-29 | 中交隧道工程局有限公司 | Road base layer component and road paving method |
| CN112694304A (en) * | 2020-12-24 | 2021-04-23 | 山东省交通科学研究院 | Cold recycling and old asphalt pavement cold joint adhesive for pavement reconstruction and extension |
| CN113292274A (en) * | 2021-05-30 | 2021-08-24 | 南方高科工程技术有限公司 | High-ductility-elasticity ultrathin overlay asphalt mixture, paving method and paved high-ductility-elasticity ultrathin overlay |
| CN114479490A (en) * | 2021-11-29 | 2022-05-13 | 江西省高速公路物资有限公司 | Modified emulsified asphalt and preparation method and application thereof |
| CN117683365A (en) * | 2023-12-18 | 2024-03-12 | 合肥孚成活性材料技术开发有限公司 | Preparation method and application process of RAP hot-mix and warm-mix regenerated emulsified asphalt |
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| CN108504118A (en) * | 2018-05-10 | 2018-09-07 | 湖南云中再生科技股份有限公司 | RAP pitches softening fusion regenerative agent and its application |
| CN109704651B (en) * | 2019-01-26 | 2021-04-27 | 上海宝新特种沥青混凝土有限公司 | Asphalt mixture and preparation method thereof |
| CN109704651A (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 asphalt and preparation method thereof |
| CN111719371A (en) * | 2019-03-22 | 2020-09-29 | 中交隧道工程局有限公司 | Road base layer component and road paving method |
| CN110794123A (en) * | 2019-10-23 | 2020-02-14 | 山东省交通科学研究院 | Emulsified asphalt demulsification speed detection mineral aggregate based on equivalent surface area principle and method |
| CN111269692A (en) * | 2020-04-09 | 2020-06-12 | 江苏西尔玛道路环保材料有限公司 | Crack pouring material for asphalt pavement and preparation method thereof |
| CN111517733A (en) * | 2020-04-21 | 2020-08-11 | 廊坊市交通公路工程有限公司 | Emulsified asphalt pavement regeneration material capable of reducing cracking and preparation and construction methods thereof |
| CN112694304A (en) * | 2020-12-24 | 2021-04-23 | 山东省交通科学研究院 | Cold recycling and old asphalt pavement cold joint adhesive for pavement reconstruction and extension |
| CN113292274A (en) * | 2021-05-30 | 2021-08-24 | 南方高科工程技术有限公司 | High-ductility-elasticity ultrathin overlay asphalt mixture, paving method and paved high-ductility-elasticity ultrathin overlay |
| CN114479490A (en) * | 2021-11-29 | 2022-05-13 | 江西省高速公路物资有限公司 | Modified emulsified asphalt and preparation method and application thereof |
| CN114479490B (en) * | 2021-11-29 | 2023-05-16 | 江西省高速公路物资有限公司 | Modified emulsified asphalt and preparation method and application thereof |
| WO2024092393A1 (en) * | 2022-10-31 | 2024-05-10 | 汤博宇 | Cold-mixed cold-laid asphalt mixed pavement material and fabrication method therefor |
| CN117683365A (en) * | 2023-12-18 | 2024-03-12 | 合肥孚成活性材料技术开发有限公司 | Preparation method and application process of RAP hot-mix and warm-mix regenerated emulsified asphalt |
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