CN109705589A - It is exclusively used in the high solids content emulsified asphalt and its preparation and construction method of road surface sealing - Google Patents
It is exclusively used in the high solids content emulsified asphalt and its preparation and construction method of road surface sealing Download PDFInfo
- Publication number
- CN109705589A CN109705589A CN201811612685.XA CN201811612685A CN109705589A CN 109705589 A CN109705589 A CN 109705589A CN 201811612685 A CN201811612685 A CN 201811612685A CN 109705589 A CN109705589 A CN 109705589A
- Authority
- CN
- China
- Prior art keywords
- asphalt
- emulsified asphalt
- pitch
- spread
- road surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses the high solids content emulsified asphalt for being exclusively used in road surface sealing and its preparation and construction methods, it is made by plain asphalt, asphalt additive, emulsifier, modifying agent, water and pH adjusting agent, preparation step is as follows: plain asphalt being heated, asphalt additive is proportionally added into the mixture for being uniformly mixing to obtain pitch and asphalt additive in plain asphalt；Emulsifier is configured to aqueous solution, and modifying agent is added, and emulsifier soap lye is made, and adjusts emulsifier soap lye pH value with pH adjusting agent, then heats；The mixture of emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, emulsified asphalt finished product is obtained after grinding, construction procedure: road cleaning, emulsified asphalt spread and pitch brush drag brush, crushed stone spreading, roll and conserve, pitch brush drags brush to promote the infiltration of emulsified asphalt, make emulsified bituminous materials deeper at, efficient infiltration crack, it realizes the reparation to disease road surface, reduces maintenance of surface cost, prolonging service life of pavement.
Description
Technical field
The present invention relates to a kind of high polymer regenerative emulsified asphalt and its preparation and construction method technical fields, specifically
Say it is a kind of high solids content emulsified asphalt for being exclusively used in road surface sealing and its preparation and construction method.
Background technique
In the prior art, substantially logical when bituminous pavement is when there are the breakages such as serious crack, cracking, track, pit slot
It crosses the mode re-lay after milling to carry out large repairs, this restorative procedure has a defect that repair time is long, operator's labour
Intensity is big, and service life of road surface is short, needs continually to be repaired, maintenance of surface is at high cost.And these road surfaces are only largely
The damage of upper layer, roadbed is intact, and this kind of road surface can be repaired by sealing class maintenance technology, but domestic such reparation skill
Art repairing effect is bad, repairs way of escape face and easily cracks again.
Summary of the invention
The present invention is exactly to provide a kind of Gao Gu for being exclusively used in road surface sealing to overcome drawbacks described above of the existing technology
Content emulsified asphalt, solid content 67-75%.The present invention is developed using asphalt additive and high-performance modified dose and be can be used as
The high polymer regenerative emulsified asphalt of road surface sealing, and for the first time using special asphalt brush (see patent of invention
Described in CN201510733562.1) it is forced to squeeze into pavement crack.Asphalt additive realize to the regeneration of aged asphalt and
The bonding of fracture, high-performance modified dose forms elastic membrane in crack and substantially reduces reflection crack, finally by sealing covers
The reparation for realizing road pavement, reduces maintenance of surface cost, extends service life of road surface.
The present invention also provides a kind of preparation methods of high solids content emulsified asphalt for being exclusively used in road surface sealing.
The present invention also provides a kind of construction methods of high solids content emulsified asphalt for being exclusively used in road surface sealing.
Above-mentioned purpose of the invention is achieved by the following technical solution:
A kind of high solids content emulsified asphalt being exclusively used in road surface sealing, by plain asphalt, asphalt additive, emulsifier,
Modifying agent, water and pH adjusting agent are made for raw material, the mass component ratio of the raw material are as follows: plain asphalt 50-70%, pitch add
Add agent 1-12%, emulsifier 0.2-3.0%, modifying agent 2.0-10.0%, remaining as water and pH adjusting agent.
The plain asphalt is bi tumenf orr oad, and the emulsifier is cationic emulsifier, the modification
Agent is thermoplastic elastomer (TPE) class latex.
The plain asphalt is any one of common AH-50, AH-70, AH-90, AH-110 or AH-130.
The asphalt additive is that aromatic hydrocarbons extracts oil, furfural extract oil, waste cooking oils, remaining oil, bitumen regenerant out
One or more of.
The emulsifier is alkyl polyamine class, oxygen amine, quaternary ammonium salt, fatty amines, lignin amine, imidazolines
Or one of amides or a variety of.
The modifying agent is one of styrene-butadiene latex, NBR latex, butadiene-vinylpyridine copylymer latex, polychloroprene latex or a variety of.
The water is any one of tap water, industrial water, distilled water or deionized water；
The pH adjusting agent is hydrochloric acid, formic acid, acetic acid or phosphoric acid.
It is exclusively used in the preparation method of the high solids content emulsified asphalt of road surface sealing, comprising the following steps:
1) plain asphalt is heated to 120-150 DEG C, asphalt additive is proportionally added into plain asphalt and is stirred evenly
Obtain the mixture of pitch and asphalt additive；
2) emulsifier is configured to aqueous solution by the 0.2-3.0% of emulsified asphalt gross mass, and modifying agent is added, and emulsifier is made
Emulsifier soap lye pH value is adjusted to 1.5-2.5 with pH adjusting agent, is then heated to 35-60 DEG C by soap lye；
3) mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is obtained after grinding
Emulsified asphalt finished product.
It is exclusively used in the construction method of the high solids content emulsified asphalt of road surface sealing, comprising the following steps:
1) pitch brush is installed after pitch sprinkling car, pitch brush and distribution vehicle gas is realized, is electrically connected, adjustment pitch brush height
It is allowed to be adapted with pitch sprinkling width with ground face contact, width；
2) control of emulsified asphalt spread temperature is at 80 ± 5 DEG C, and emulsified asphalt spread quantity is 1.2- when using I type rubble
2.0L/m2, emulsified asphalt spread quantity is 1.6-2.5L/m when using II type rubble2；
3) start and open spread, stop spread after traveling 3-5m, distribution vehicle is backed to square one；
4) according to setting spread quantity at the uniform velocity spread emulsified asphalt, emulsified asphalt distribution vehicle is equipped with pitch brush, emulsified asphalt spray
It has been spilt that, the emulsified asphalt of spread is scrubbed with pitch brush immediately, emulsified asphalt wave should be formed before pitch brush；
5) crushed stone spreading should carry out immediately after the completion of emulsified asphalt spread, and rubble answers cleaning without obvious dust, and rubble reaches
When less than purity requirements, 5 ‰ matrix pitch premixings are preferably used, temperature should be no more than 80 DEG C when premixing building stones spread, and rubble is spread
Cloth vehicle and pitch sprinkling car keep 10m or so distance, at the uniform velocity dispense rubble by design spreading amount；
6) it is rolled using pneumatic-tired rollers, gross area rolls 1 time, and having pressed rear extra rubble and leakage to spread part should be timely
Processing；
7) when divided lane is constructed, lane longitudinal edge of having constructed should cover in advance, complete to adjacent lane emulsified asphalt spread
It is removed after；
8) when suspending for some reason, emulsified asphalt bituminous matter distributor and building stones dispenser should be closed immediately, and are continued with pitch brush
Brush 5-7m is dragged, when constructing again, transverse joint edge should be retracted and continue emulsified asphalt spread and crushed stone spreading, avoid repeating
It spills/dispenses；
9) it when emulsified asphalt leakage is spilt or spilt excessively, should manually handle in time.
The intensity of the step 5) rubble meets current J TG F40 code requirement, and specification meets to be required as defined in table:
1 rubble sieve pore percent of pass of table
Wherein I type crushed stone spreading amount is 6-12Kg/m2, II type crushed stone spreading amount is 6-14Kg/m2, specific spreading amount according to
Practical Project tries depending on dispensing, and part leakage is spread or spread more should be in the preceding artificial treatment of emulsified asphalt demulsification.
In addition, the present invention will also meet regulation below: high solids content sealing emulsified asphalt must be by clean special train
It is transported；Emulsified asphalt distribution vehicle and building stones truck spreader should all have accurate metering system；Daily minimal tcmperature is answered in construction time
Higher than 4 DEG C, must not construct in the rainy day；Former road surface must be dried and without structural destruction, to pit slot, gather around packet, 15mm to get on the bus
The diseases such as rut should be pre-processed.Carry out preparation of construction below simultaneously: former road surface should clean up, and remove the mark of protrusion
The sundries such as dust, float stone in line, mark and crack；Building stones should be dried, is clean, and 5 ‰ plain asphalt premixings, premixing stone are preferably used
Expect that temperature should be no more than 80 DEG C when spread；It should prepare rubber roller 2 not less than 25 tons；It should be demarcated according to design quantity
Spread device parameter.
Beneficial effects of the present invention:
1. high solids content emulsified asphalt is applied to sealing by the present invention, and application pitch brush carries out the construction of emulsified asphalt,
The infiltration for promoting emulsified asphalt makes emulsified bituminous materials deeper at, efficient infiltration crack, repairs the serious crack in road surface, opens
It splits, the diseases such as track, pit slot.
2. the present invention contains high-performance modified dose, compared with SBS quasi-tradition modifying agent, intensity, toughness, ductility and elasticity are extensive
Multiple advantage is significant.
3. the present invention contains special asphalt additive, can pitch inside the old Lu Lubiao of highly efficient regeneration and crack, can also be more preferable
Ground penetrates into inside semi-rigid material, and forms long-acting adhesive layer.
4. emulsified asphalt solid content of the present invention is up to 67-75%, hence it is evident that be higher than common emulsified asphalt, emulsified asphalt can be improved
Shaping speed improves the adhesiveness of material, reduces Asphalt emulsion content.
5. high viscosity of the present invention, Saybolt viscosity is 10 times or more of common emulsified asphalt, with stone up to 200s or more
Material has better adhesiveness.
6. low temperature of the present invention and fatigue behaviour are with the obvious advantage, the classification of evaporated residue cryogenic property be at least -28 DEG C, it is tired
The labor service life is significantly better than common modified pitch.
It, can stable storage 30 days or more time after the completion of production 7. storage stability of the present invention is excellent.
8. the present invention is used for surface sealing, have potent interlaminar bonding ability, can be realized quick crack joint filling, again
The function of reflection crack is concentrated, inhibited to raw Bituminous concrete surface and dissipation stress, more preferably in conjunction with application effects such as micro-surface area, mist sealings.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is construction process figure of the invention.
In Fig. 1,1. disease bituminous pavements or disease cement pavement, 2. emulsified asphalt layers, 3. metallings.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.
A kind of high solids content emulsified asphalt being exclusively used in road surface sealing, by plain asphalt, asphalt additive, emulsifier,
Modifying agent, water and pH adjusting agent are made for raw material, the mass component ratio of the raw material are as follows: plain asphalt 50-70%, pitch add
Add agent 1-12%, emulsifier 0.2-3.0%, modifying agent 2.0-10.0%, remaining as water and pH adjusting agent.
The plain asphalt is bi tumenf orr oad, and the emulsifier is cationic emulsifier, the modification
Agent is thermoplastic elastomer (TPE) class latex.
The plain asphalt is any one of common AH-50, AH-70, AH-90, AH-110 or AH-130.
The asphalt additive is that aromatic hydrocarbons extracts oil, furfural extract oil, waste cooking oils, remaining oil, bitumen regenerant out
One or more of.
The emulsifier is alkyl polyamine class, oxygen amine, quaternary ammonium salt, fatty amines, lignin amine, imidazolines
Or one of amides or a variety of.
The modifying agent is one of styrene-butadiene latex, NBR latex, butadiene-vinylpyridine copylymer latex, polychloroprene latex or a variety of.
The water is any one of tap water, industrial water, distilled water or deionized water；
The pH adjusting agent is hydrochloric acid, formic acid, acetic acid or phosphoric acid.
Embodiment 1:
(1) preparation of emulsified asphalt
A. the preparation of raw material: AH-50 plain asphalt accounts for 50wt%, and alkyl polyamine class emulsifier accounts for 1.3wt%, styrene-butadiene latex
Modifying agent accounts for 10.0wt%, and aromatic hydrocarbons extraction oil asphalt additive accounts for 12wt%, and remaining ingredient is water and pH adjusting agent, wherein hydromining
With tap water, pH adjusting agent is hydrochloric acid, by percentage to the quality；
B. asphalt modifier described in a is added to plain asphalt to be uniformly mixed, and is heated to 135 DEG C；
C. emulsifier, modifying agent and water are weighed in proportion and prepares soap lye, and soap lye pH value is adjusted to 2.0 with acid, is then heated
To 50 DEG C；
D. the mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is obtained after grinding
Emulsified asphalt finished product.
(2) construction of emulsified asphalt
It is illustrated in conjunction with construction procedure of the Fig. 1 to this example.
A. in figure 1 be disease bituminous pavement.Former 1 surface of disease bituminous pavement is cleaned up with sweeper, removes protrusion
Graticule, the sundries such as mark and dust, float stone in crack；
B. using emulsified asphalt distribution vehicle (being equipped with pitch brush) spread emulsified asphalt layer 2, and immediately will with special asphalt brush
Emulsified asphalt is scrubbed, and 2 spread quantity of emulsified asphalt layer is 1.2L/m2, 80 DEG C of spread temperature；
C. the spreading of metalling 3 is carried out using crushed stone sealing vehicle, metalling 3 uses I type rubble, and rubble spread quantity is 6Kg/
m2；
D. emulsified asphalt layer 2, metalling 3 are rolled using pneumatic-tired rollers immediately after the completion of dispensing, and gross area rolls 1
Time, extra rubble and leakage are spread part and should be handled in time after having pressed；
E. 2 hours open to traffic after the completion of rolling.
Embodiment 2:
(1) preparation of emulsified asphalt
A. the preparation of raw material: AH-70 plain asphalt accounts for 58wt%, and oxygen amine or quaternary ammonium salt emulsifier account for 0.2wt%, fourth
Nitrile latex modified agent accounts for 5.0wt%, and furfural extract oil asphalt additive accounts for 9wt%, and remaining ingredient is water and pH adjusting agent, wherein
Water uses industrial water, and pH adjusting agent is formic acid, by percentage to the quality；
B. asphalt modifier described in a is added to plain asphalt to be uniformly mixed, and is heated to 135 DEG C；
C weighs emulsifier, modifying agent and water in proportion and prepares soap lye, and soap lye pH value is adjusted to 2.0 with acid, is then heated to
50℃；
D. the mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is obtained after grinding
Emulsified asphalt finished product.
(2) construction of emulsified asphalt
A. in figure 1 be disease cement pavement.Former 1 surface of disease cement pavement is cleaned up with sweeper, removes protrusion
The sundries such as dust, float stone in graticule, mark and crack；
B. using emulsified asphalt distribution vehicle (being equipped with pitch brush) spread emulsified asphalt layer 2, and immediately will with special asphalt brush
Emulsified asphalt is scrubbed, and 2 spread quantity of emulsified asphalt layer is 2.0L/m2, 80 DEG C of spread temperature；
C. the spreading of metalling 3 is carried out in such a way that reversing dispenses using crushed stone sealing vehicle, metalling is broken using I type
Stone, rubble spread quantity are 12Kg/m2；
D. emulsified asphalt layer 2, metalling 3 are rolled using pneumatic-tired rollers immediately after the completion of dispensing, and gross area rolls 1
Time, extra rubble and leakage are spread part and should be handled in time after having pressed；
E. 2 hours open to traffic after the completion of rolling.
Embodiment 3:
(1) preparation of emulsified asphalt
A. the preparation of raw material: AH-130 plain asphalt accounts for 70wt%, and fatty amines or lignin amine emulsifier account for
3.0wt%, NBR latex modifying agent account for 2.0wt%, and waste cooking oils asphalt additive accounts for 1wt%, and remaining ingredient is water and pH
Regulator, wherein water uses distilled water, and pH adjusting agent is hydrochloric acid, by percentage to the quality；
B. asphalt modifier described in a is added to plain asphalt to be uniformly mixed, and is heated to 135 DEG C；
C. emulsifier, modifying agent and water are weighed in proportion and prepares soap lye, and soap lye pH value is adjusted to 1.5 with acid, is then heated
To 50 DEG C；
D. the mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is obtained after grinding
Emulsified asphalt finished product.
(2) construction of emulsified asphalt
A. 1 surface of disease bituminous pavement is cleaned up with sweeper, removes the ash in graticule, mark and the crack of protrusion
The sundries such as dirt, float stone；
B. using emulsified asphalt distribution vehicle (being equipped with pitch brush) spread emulsified asphalt layer 2, and immediately will with special asphalt brush
Emulsified asphalt is scrubbed, and 2 spread quantity of emulsified asphalt layer is 1.5L/m2, 80 DEG C of spread temperature；
C. the spreading of metalling is carried out in such a way that reversing dispenses using crushed stone sealing vehicle, metalling uses I type rubble,
Rubble spread quantity is 9Kg/m2；
D. emulsified asphalt layer 2, metalling 3 are rolled using pneumatic-tired rollers immediately after the completion of dispensing, and gross area rolls 1
Time, extra rubble and leakage are spread part and should be handled in time after having pressed；
E. 2 hours open to traffic after the completion of rolling.
Embodiment 4:
(1) preparation of emulsified asphalt
A. the preparation of raw material: AH-90 plain asphalt accounts for 60wt%, and imidazolines emulsifier accounts for 1.0wt%, and polychloroprene latex changes
Property agent account for 6.0wt%, remaining oil asphalt additive accounts for 6wt%, and remaining ingredient is water and pH adjusting agent, and wherein water uses deionization
Water, pH adjusting agent are acetic acid, by percentage to the quality；
B. asphalt modifier described in a is added to plain asphalt to be uniformly mixed, and is heated to 135 DEG C；
C. emulsifier, modifying agent and water are weighed in proportion and prepares soap lye, and soap lye pH value is adjusted to 2.5 with acid, is then heated
To 50 DEG C；
D. the mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is obtained after grinding
Emulsified asphalt finished product.
(2) construction of emulsified asphalt
It is illustrated in conjunction with construction procedure of the Fig. 1 to this example.
A. 1 surface of disease bituminous pavement is cleaned up with sweeper, removes the ash in graticule, mark and the crack of protrusion
The sundries such as dirt, float stone；
B. using emulsified asphalt distribution vehicle (being equipped with pitch brush) spread emulsified asphalt layer 2, and immediately will with special asphalt brush
Emulsified asphalt is scrubbed, and 2 spread quantity of emulsified asphalt layer is 1.6L/m2, 80 DEG C of spread temperature；
C. the spreading of metalling is carried out in such a way that reversing dispenses using crushed stone sealing vehicle, metalling is broken using II type
Stone, rubble spread quantity are 6Kg/m2；
D. emulsified asphalt layer 2, metalling 3 are rolled using pneumatic-tired rollers immediately after the completion of dispensing, and gross area rolls 1
Time, extra rubble and leakage are spread part and should be handled in time after having pressed；
E. 2 hours open to traffic after the completion of rolling.
Embodiment 5:
(1) preparation of emulsified asphalt
A. the preparation of raw material: AH-110 plain asphalt accounts for 63wt%, and amides emulsifier accounts for 1.5wt%, and butadiene-vinylpyridine copylymer latex changes
Property agent account for 4.0wt%, bitumen regenerant class asphalt additive accounts for 5wt%, and remaining ingredient is water and pH adjusting agent, and wherein water uses
Deionized water, pH adjusting agent are hydrochloric acid, by percentage to the quality；
B. asphalt modifier described in a is added to plain asphalt to be uniformly mixed, and is heated to 135 DEG C；
C. emulsifier, modifying agent and water are weighed in proportion and prepares soap lye, and soap lye pH value is adjusted to 2.0 with acid, is then heated
To 50 DEG C；
D. the mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is obtained after grinding
Emulsified asphalt finished product.
(2) construction of emulsified asphalt
It is illustrated in conjunction with construction procedure of the Fig. 1 to this example.
It a.1 is disease bituminous pavement.Former road surface is cleaned up with sweeper, is removed the graticule of protrusion, is identified and split
The sundries such as dust, float stone in seam；
B. using emulsified asphalt distribution vehicle (being equipped with pitch brush) spread emulsified asphalt layer 2, and immediately will with special asphalt brush
Emulsified asphalt is scrubbed, and 2 spread quantity of emulsified asphalt layer is 2.5L/m2, 80 DEG C of spread temperature；
C. the spreading of metalling is carried out in such a way that reversing dispenses using crushed stone sealing vehicle, metalling is broken using II type
Stone, rubble spread quantity are 14Kg/m2；
D. emulsified asphalt layer 2, metalling 3 are rolled using pneumatic-tired rollers immediately after the completion of dispensing, and gross area rolls 1
Time, extra rubble and leakage are spread part and should be handled in time after having pressed；
E. 2 hours open to traffic after the completion of rolling.
Embodiment 6:
(1) preparation of emulsified asphalt
A. the preparation of raw material: AH-90 plain asphalt accounts for 62wt%, and alkyl polyamine class is accounted for imidazolines composite emulsifier
0.8wt%, styrene-butadiene latex and NBR latex compound modifier account for 3.0wt%, and aromatic hydrocarbons extraction oil compounds pitch with furfural extract oil
Additive accounts for 8wt%, and remaining ingredient is water and pH adjusting agent, and wherein water uses tap water, and pH adjusting agent is hydrochloric acid, with quality hundred
Divide than meter；
B. asphalt modifier described in a is added to plain asphalt to be uniformly mixed, and is heated to 135 DEG C；
C. emulsifier, modifying agent and water are weighed in proportion and prepares soap lye, and soap lye pH value is adjusted to 2.0 with acid, is then heated
To 50 DEG C；
D. the mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is obtained after grinding
Emulsified asphalt finished product.
(2) construction of emulsified asphalt
It is illustrated in conjunction with construction procedure of the Fig. 1 to this example.
It a.1 is disease bituminous pavement.Former road surface is cleaned up with sweeper, is removed the graticule of protrusion, is identified and split
The sundries such as dust, float stone in seam；
B. using emulsified asphalt distribution vehicle (being equipped with special asphalt brush) spread emulsified asphalt layer 2, and special asphalt is used immediately
Brush scrubs emulsified asphalt, and 2 spread quantity of emulsified asphalt layer is 2.1L/m2, 80 DEG C of spread temperature；
C. the spreading of metalling is carried out in such a way that reversing dispenses using crushed stone sealing vehicle, metalling is broken using II type
Stone, rubble spread quantity are 10Kg/m2；
D. emulsified asphalt layer 2, metalling 3 are rolled using pneumatic-tired rollers immediately after the completion of dispensing, and gross area rolls 1
Time, extra rubble and leakage are spread part and should be handled in time after having pressed；
E. 2 hours open to traffic after the completion of rolling.
The performance indicator of the high solids content emulsified asphalt for being exclusively used in road surface sealing of the above embodiment of the present invention is as follows, is shown in Table
Shown in 2.
Table 2 is exclusively used in the performance indicator that the high solids content emulsified asphalt of road surface sealing reaches
As can be seen from the above table, the high solids content emulsified asphalt Saybolt viscosity (50 for being exclusively used in road surface sealing of the invention
DEG C) in 200s or more, solid content is within the scope of 67-75%.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, should fall within the scope of the present invention.
Claims (10)
1. a kind of high solids content emulsified asphalt for being exclusively used in road surface sealing, solid content 67-75%, which is characterized in that by general
Logical pitch, asphalt additive, emulsifier, modifying agent, water and pH adjusting agent are made for raw material, the mass component ratio of the raw material
Are as follows: plain asphalt 50-70%, asphalt additive 1-12%, emulsifier 0.2-3.0%, modifying agent 2.0-10.0%, remaining as water
And pH adjusting agent.
2. the high solids content emulsified asphalt according to claim 1 for being exclusively used in road surface sealing, which is characterized in that described is general
Logical pitch is bi tumenf orr oad, and the emulsifier is cationic emulsifier, and the modifying agent is thermoplastic elastomer (TPE)
Class latex.
3. the high solids content emulsified asphalt according to claim 2 for being exclusively used in road surface sealing, which is characterized in that described is general
Logical pitch is any one of AH-50, AH-70, AH-90, AH-110 or AH-130.
4. the high solids content emulsified asphalt according to claim 1 for being exclusively used in road surface sealing, which is characterized in that the drip
Green additive is that aromatic hydrocarbons extracts one or more of oil, furfural extract oil, waste cooking oils, remaining oil, bitumen regenerant out.
5. the high solids content emulsified asphalt according to claim 2 for being exclusively used in road surface sealing, which is characterized in that the cream
Agent is one of alkyl polyamine class, oxygen amine, quaternary ammonium salt, fatty amines, lignin amine, imidazolines or amides
Or it is a variety of.
6. the high solids content emulsified asphalt according to claim 2 for being exclusively used in road surface sealing, which is characterized in that described changes
Property agent be one of styrene-butadiene latex, NBR latex, butadiene-vinylpyridine copylymer latex, polychloroprene latex or a variety of.
7. the high solids content emulsified asphalt according to claim 1 for being exclusively used in road surface sealing, which is characterized in that the water
For any one of tap water, industrial water, distilled water or deionized water；The pH adjusting agent is hydrochloric acid, formic acid, acetic acid
Or phosphoric acid.
8. the preparation method of the high solids content emulsified asphalt for being exclusively used in road surface sealing as described in claim 1-7 any one,
Characterized by comprising the following steps:
1) plain asphalt is heated to 120-150 DEG C, asphalt additive is proportionally added into plain asphalt and is uniformly mixing to obtain
The mixture of pitch and asphalt additive；
2) emulsifier is configured to aqueous solution by the 0.2-3.0% of emulsified asphalt gross mass, and modifying agent is added, and emulsifier soap is made
Emulsifier soap lye pH value is adjusted to 1.5-2.5 with pH adjusting agent, is then heated to 35-60 DEG C by liquid；
3) mixture of mentioned emulsifier soap lye and pitch and asphalt additive is passed sequentially through into colloid mill, is emulsified after grinding
Pitch finished product.
9. using the construction method for the high solids content emulsified asphalt for being exclusively used in road surface sealing obtained by claim 8, feature
It is, comprising the following steps:
1) pitch brush is installed after pitch sprinkling car, pitch brush and distribution vehicle gas is realized, be electrically connected, pitch brush is adjusted and is highly allowed to
With ground face contact, width should be adapted with pitch sprinkling width；
2) control of emulsified asphalt spread temperature is at 80 ± 5 DEG C, and emulsified asphalt spread quantity is 1.2-2.0L/m when using I type rubble2,
Emulsified asphalt spread quantity is 1.6-2.5L/m when using II type rubble2；
3) start and open spread, stop spread after traveling 3-5m, distribution vehicle is backed to square one；
4) according to setting spread quantity at the uniform velocity spread emulsified asphalt, emulsified asphalt distribution vehicle is equipped with pitch brush, and emulsified asphalt has sprayed,
The emulsified asphalt of spread is scrubbed with pitch brush immediately, emulsified asphalt wave should be formed before pitch brush；
5) crushed stone spreading should carry out immediately after the completion of emulsified asphalt spread, and rubble answers cleaning without obvious dust, and rubble is not achieved
When purity requirements, 5 ‰ matrix pitch premixings are preferably used, temperature should be no more than 80 DEG C when premixing building stones spread, crushed stone spreading vehicle
10m or so distance is kept with pitch sprinkling car, at the uniform velocity dispenses rubble by design spreading amount；
6) it is rolled using pneumatic-tired rollers, gross area rolls 1 time, and extra rubble and leakage are spread part and should be located in time after having pressed
Reason；
7) when divided lane is constructed, lane longitudinal edge of having constructed should cover in advance, after the completion of adjacent lane emulsified asphalt spread
It removes；
8) when suspending for some reason, emulsified asphalt bituminous matter distributor and building stones dispenser should be closed immediately, and continue to drag brush with pitch brush
5-7m when constructing again, should retract transverse joint edge and continue emulsified asphalt spread and crushed stone spreading, avoid repeating to spill/spread
Cloth；
9) it when emulsified asphalt leakage is spilt or spilt excessively, should manually handle in time.
10. being exclusively used in the construction method of the high solids content emulsified asphalt of road surface sealing as claimed in claim 9, feature exists
In the intensity of the step 5) rubble meets current J TG F40 standard requirements, and specification meets to be required as defined in table:
Wherein I type crushed stone spreading amount is 6-12Kg/m2, II type crushed stone spreading amount is 6-14Kg/m2, specific spreading amount is according to reality
Engineering is tried depending on dispensing, and part leakage is spread or spread more should be in the preceding artificial treatment of emulsified asphalt demulsification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612685.XA CN109705589A (en) | 2018-12-27 | 2018-12-27 | It is exclusively used in the high solids content emulsified asphalt and its preparation and construction method of road surface sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612685.XA CN109705589A (en) | 2018-12-27 | 2018-12-27 | It is exclusively used in the high solids content emulsified asphalt and its preparation and construction method of road surface sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109705589A true CN109705589A (en) | 2019-05-03 |
Family
ID=66257788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811612685.XA Pending CN109705589A (en) | 2018-12-27 | 2018-12-27 | It is exclusively used in the high solids content emulsified asphalt and its preparation and construction method of road surface sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109705589A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305491A (en) * | 2019-06-17 | 2019-10-08 | 葛洲坝武汉道路材料有限公司 | A kind of asphaltic base road surface mist sealing covers maintenance punishment material and preparation method thereof |
| CN111501467A (en) * | 2020-04-13 | 2020-08-07 | 佛山市交通科技有限公司 | Method for improving initial anti-sliding performance of asphalt mastic macadam wearing layer |
| CN111944323A (en) * | 2020-08-28 | 2020-11-17 | 山东高速物资储运有限公司 | Environment-friendly emulsified asphalt special for pavement dust suppression, preparation method and construction method |
| CN115558308A (en) * | 2022-08-19 | 2023-01-03 | 中交一公局集团有限公司 | High-permeability emulsified asphalt permeable layer for asphalt pavement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391614A (en) * | 2011-10-20 | 2012-03-28 | 河南万里路桥集团有限公司 | Non-ionic aqueous colorized road surface crack sealing material and preparation process thereof |
| CN102504472A (en) * | 2011-10-20 | 2012-06-20 | 许昌金欧特沥青股份有限公司 | Cation type aqueous colored pavement crack sealing material and preparation process thereof |
| CN102766341A (en) * | 2012-08-22 | 2012-11-07 | 上海申桥科技发展有限公司 | High solid content emulsified asphalt environment-friendly cold patch liquid and preparation method thereof |
| CN103242664A (en) * | 2013-05-09 | 2013-08-14 | 广州大学 | Styrene butadiene rubber (SBR) composite modified emulsified asphalt suitable for cold-mix material, and preparation method thereof |
| CN108530917A (en) * | 2018-03-30 | 2018-09-14 | 佛山市路邦沥青有限公司 | A kind of modified pitch |
-
2018
- 2018-12-27 CN CN201811612685.XA patent/CN109705589A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391614A (en) * | 2011-10-20 | 2012-03-28 | 河南万里路桥集团有限公司 | Non-ionic aqueous colorized road surface crack sealing material and preparation process thereof |
| CN102504472A (en) * | 2011-10-20 | 2012-06-20 | 许昌金欧特沥青股份有限公司 | Cation type aqueous colored pavement crack sealing material and preparation process thereof |
| CN102766341A (en) * | 2012-08-22 | 2012-11-07 | 上海申桥科技发展有限公司 | High solid content emulsified asphalt environment-friendly cold patch liquid and preparation method thereof |
| CN103242664A (en) * | 2013-05-09 | 2013-08-14 | 广州大学 | Styrene butadiene rubber (SBR) composite modified emulsified asphalt suitable for cold-mix material, and preparation method thereof |
| CN108530917A (en) * | 2018-03-30 | 2018-09-14 | 佛山市路邦沥青有限公司 | A kind of modified pitch |
Non-Patent Citations (5)
| Title |
|---|
| 姜晨光: "《土木工程材料学》", 31 July 2017, 中国建材工业出版社 * |
| 宋少民等: "《土木工程材料》", 31 January 2013, 武汉理工大学出版社 * |
| 张彧等: "《道路工程材料》", 30 April 2018, 中国铁道出版社 * |
| 杨彦海等: "《公路路面养护技术》", 31 March 2018, 东北大学出版社 * |
| 杨林江: "《改性沥青及其乳化技术》", 31 August 2004, 人民交通出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305491A (en) * | 2019-06-17 | 2019-10-08 | 葛洲坝武汉道路材料有限公司 | A kind of asphaltic base road surface mist sealing covers maintenance punishment material and preparation method thereof |
| CN111501467A (en) * | 2020-04-13 | 2020-08-07 | 佛山市交通科技有限公司 | Method for improving initial anti-sliding performance of asphalt mastic macadam wearing layer |
| CN111501467B (en) * | 2020-04-13 | 2023-12-22 | 佛山市交通科技有限公司 | Method for improving initial anti-skid performance of asphalt mastic macadam wearing layer |
| CN111944323A (en) * | 2020-08-28 | 2020-11-17 | 山东高速物资储运有限公司 | Environment-friendly emulsified asphalt special for pavement dust suppression, preparation method and construction method |
| CN115558308A (en) * | 2022-08-19 | 2023-01-03 | 中交一公局集团有限公司 | High-permeability emulsified asphalt permeable layer for asphalt pavement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109705589A (en) | It is exclusively used in the high solids content emulsified asphalt and its preparation and construction method of road surface sealing | |
| CN1113134C (en) | Process for recycling an asphalt surface and apparatus therefor | |
| US11124926B2 (en) | Pavement repair method and system thereof | |
| CN106192700B (en) | A kind of asphalt concrete pavement in-situ heat regeneration method of low energy consumption | |
| CN109535751A (en) | Stress absorbing layer high solids content emulsified asphalt and its preparation and construction method | |
| CN107254826A (en) | The bituminous pavement preventive maintenance method of low noise antiskid | |
| CN106830767B (en) | A kind of bituminous paving check crack punishment regeneration sealing material and preparation method thereof | |
| CN101768914B (en) | Pavement structure for structure transfer and performance recovery of semi-rigid base asphalt pavement | |
| CN102677567B (en) | Asphalt pavement structure regenerated from concrete pavement and construction method of asphalt pavement structure | |
| CN205276085U (en) | Novel preventative maintenance bituminous pavement structure layer | |
| CN108003639A (en) | Bituminous paving oozes the maintenance construction method of solid wearing course | |
| CN205329486U (en) | Steel roller | |
| CN102276996A (en) | Fog sealing layer material and preparation method thereof | |
| CN110258236A (en) | A kind of high-performance steel slag road surface and its construction method | |
| CN109054409A (en) | A kind of viscous micro- cover construction method of formula special asphalt of interlayer height | |
| CN102425092A (en) | Ultra-viscous seal coat on bituminous pavement and construction method thereof | |
| CN109736161A (en) | A kind of composite construction Sub-sealing Course for the road face between the cement road face on airport and semi-rigid type base | |
| CN105386382A (en) | Construction method for semi-rigid base asphalt pavement fiber-reinforced under-sealed layer | |
| CN109653052A (en) | A kind of warm mix type pitch local hot reproduction construction method | |
| CN107419635A (en) | A kind of composite pavement sealing method | |
| CN110407514A (en) | A kind of drain type asphalt concrete abrasion layer and construction method | |
| CN110510921A (en) | A kind of drain type asphalt mixture and preparation method | |
| CN102296512B (en) | Preventive maintenance method of asphalt concrete pavement | |
| CN105755935A (en) | Microwave hot in-place recycling complete equipment | |
| CN103233405B (en) | Old-new bituminous pavement binder course and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190503 |
|
| RJ01 | Rejection of invention patent application after publication |