CN108951346A - A kind of construction method of Rut resistance anti-strip asphalt concrete pavement - Google Patents
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement Download PDFInfo
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- CN108951346A CN108951346A CN201811116479.XA CN201811116479A CN108951346A CN 108951346 A CN108951346 A CN 108951346A CN 201811116479 A CN201811116479 A CN 201811116479A CN 108951346 A CN108951346 A CN 108951346A
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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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- E01C7/182—Aggregate or filler materials, except those according to E01C7/26
-
- 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
- E01C7/22—Binder incorporated in hot state, e.g. heated bitumen
-
- 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
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
-
- 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
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
- E01C7/265—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement, anti-rut agent modified pitch is prepared first: after 40-50 parts of weight part of ethylacetate are added in flask, its temperature is increased to 50-55 DEG C, it is added cyclooctane 10-15 parts stirring 5-10 minutes, temperature is increased to 60-65 DEG C, it is added dropwise end hydroxy butadiene 3-7 parts, it is stirred while dropwise addition, rate of addition is controlled in 3-5 ml/min, antistripping agent of the present invention significantly improves the adhesion property of pitch Yu bituminous concrete unclassified stores, improve bituminous concrete Marshall stability and freeze-thaw split tensile strength, the service life of bituminous concrete is improved simultaneously.
Description
Technical field
The present invention relates to a kind of construction method of Rut resistance anti-strip asphalt concrete pavement, belongs to road construction technology neck
Domain.
Background technique
Bituminous pavement occupies sizable ratio with its excellent service performance in highway.But in recent years, due to pitch
The limitation and the volume of traffic of road surface raw material self performance, the increase of heavily loaded overloaded vehicle, the deterioration of weather conditions etc. it is external because
The influence of element, bituminous pavement are faced with acid test.Much create into bituminous pavement be open to traffic soon there have been early stage disease
Evil, wherein track disease, which has become, endangers one of bituminous pavement early disease the most serious.Track occur makes road surface flat
Whole degree is deteriorated, and causes other diseases, such as check crack, pit slot, pit-hole.This not only affects the comfortableness and security of driving,
And economic benefit and social benefit are also reduced, therefore preventing and treating track disease is the matter of utmost importance in current highway construction.
Summary of the invention
In order to solve the problems in the existing technology the present invention provides a kind of Rut resistance anti-strip asphalt concrete pavement
Construction method.
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement,
Anti-rut agent modified pitch is prepared first: after 40-50 parts of weight part of ethylacetate are added in flask, by its temperature liter
Height arrives 50-55 DEG C, is added cyclooctane 10-15 parts stirring 5-10 minutes, and temperature is increased to 60-65 DEG C, and terminal hydroxy group polybutadiene is added dropwise
3-7 parts of alkene, dropwise addition while, is stirred, and rate of addition is controlled in 3-5 ml/min, after being added dropwise to complete, adjusts pH value 6-
6.5, it is warming up to 75-80 DEG C, is eventually adding 4-5 parts of polyoxyethylene polyoxypropylene pentaerythrite ether and methyl propenoic acid glycidyl
It 1-3 parts of ester, stirs 5-10 minutes, obtains anti-rut agent,
80-85 DEG C is heated to by 100-150 parts of parts by weight pitch, and obtained 5-15 parts of anti-rut agent stirring 10-15 minutes is added,
Nano-titanium dioxide 20-30 parts is added later to be uniformly mixed, raises the temperature to 120-130 DEG C, is carried out using high-speed shearing machine
Stirring shearing, stirring shear time are 10-20 minutes, and stirring shear velocity is 2000-2500rpm, and temperature is increased to later
140-145 DEG C, stirring shear velocity is 3500-4000rpm, and stirring shear time is 5-10 minutes, and it is modified to obtain anti-rut agent
Pitch.
Secondly configuration bituminous concrete, the bituminous concrete includes following parts by weight of raw materials: anti-rut agent modified pitch
30-40 parts, 5-8 parts of cement, 5-10 parts of silicon ash, 5-10 parts of Paris white, 10-20 parts of quartz sand, 2-5 parts of antistripping agent, hydroxypropyl
1-3 parts of ylmethyl cellulose；Anti-rut agent modified pitch is heated to 140-150 DEG C of heat preservation 5-10 minutes, is sequentially added later
Cement, silicon ash and Paris white stir 10-15 minutes, and mixing speed 120-130r/min adds quartz sand, anti-strip later
Agent, hydroxypropyl methyl cellulose stir 20-30 minutes, and mixing speed 80-90r/min obtains bituminous concrete,
Finally paver is used uniformly to pave on roadbed with 40-90 ms/h of spreading speed obtained bituminous concrete；It is right
Bituminous concrete after paving is rolled with thousand ms/h of rolling speed 0.8-1.2, rolling layer 2-4 times.
Preferential, a kind of construction method of Rut resistance anti-strip asphalt concrete pavement, the antistripping agent packet
It includes: 20 parts of single Tryfac 5573,7 parts of butyl stearate, 1 part of polyethylene wax.
Preferential, a kind of construction method of Rut resistance anti-strip asphalt concrete pavement is described to use paver
It is uniformly paved with 80 ms/h of spreading speed.
Preferential, a kind of construction method of Rut resistance anti-strip asphalt concrete pavement, the rolling speed
Thousand ms/h of 0.8-1.2 are rolled, rolling layer 2-4 times.
5. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, described to drip
Green 120 parts are heated to 85 DEG C and 10 parts of anti-rut agent stirrings 15 minutes obtained are added.
Preferential, a kind of construction method of Rut resistance anti-strip asphalt concrete pavement, the high-speed shearing machine
It is stirred shearing, stirring shear time is 20 minutes, and stirring shear velocity is 2200rpm.
Preferential, a kind of construction method of Rut resistance anti-strip asphalt concrete pavement, the temperature liter later
Up to 145 DEG C, stirring shear time is 5 minutes, and stirring shear velocity is 3500rpm.
Preferential, a kind of construction method of Rut resistance anti-strip asphalt concrete pavement, the bituminous concrete
Including following raw material: 35 parts of anti-rut agent modified pitch, 7 parts of cement, 5 parts of silicon ash, 5 parts of Paris white, 14 parts of quartz sand, anti-stripping
Fall 3 parts of agent, 2 parts of hydroxypropyl methyl cellulose.
Anti-rutting additive and pitch of the invention passes through the diffusion that high speed shear mutually invades, nano-titanium dioxide filling
In pitch gap, while poly- anti-rutting additive diffuses into asphaltene molecule, to form the netted mixed structure of cohesion.It is anti-
Rut agent is dissolved in pitch rapidly, and the micro-crystallization area of formation has comparable stiffness, and wire drawing is at fiber during high speed shear
Shape, forms fiber and steel bar reinforced effect due to threadiness, substance it is netted there are being formed in pitch, it is mutual to strengthen asphalt system
Effect and globality, antistripping agent of the present invention significantly improve the adhesion property of pitch Yu bituminous concrete unclassified stores, improve
Bituminous concrete Marshall stability and freeze-thaw split tensile strength, while improving the service life of bituminous concrete.
Embodiment 1
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement,
Anti-rut agent modified pitch is prepared first: after 40 parts of ethyl acetate are added in flask, its temperature being increased to 50-55
DEG C, be added 11 parts of cyclooctane and stir 8 minutes, temperature is increased to 60 DEG C, be added dropwise 6 parts of end hydroxy butadiene, while dropwise addition into
Row stirring, rate of addition is controlled in 4 ml/mins, after being added dropwise to complete, is adjusted pH value 6, is warming up to 80 DEG C, is eventually adding polyoxy
It 5 parts and 1 part of glycidyl methacrylate of ethylene polyoxypropylene pentaerythrite ether, stirs 10 minutes, obtains anti-rut agent,
80-85 DEG C being heated to by 120 parts of pitch, obtained 7 parts of anti-rut agent stirring 10-15 minutes being added, nanometer two is added later
30 parts of titanium oxide are uniformly mixed, and raise the temperature to 130 DEG C, are stirred shearing using high-speed shearing machine, stir shear time
It is 15 minutes, stirring shear velocity is 2000rpm, and temperature is increased to 140-145 DEG C later, and stirring shear velocity is 3500rpm,
Stirring shear time is 10 minutes, obtains anti-rut agent modified pitch,
Secondly configuration bituminous concrete, bituminous concrete includes following raw material: 32 parts of anti-rut agent modified pitch, 6 parts of cement, and silicon
6 parts, 5 parts of Paris white, 18 parts of quartz sand, 2 parts of antistripping agent, 1 part of hydroxypropyl methyl cellulose of ash；By the modified drip of anti-rut agent
Blueness is heated to 145 DEG C and keeps the temperature 10 minutes, sequentially adds cement later, and silicon ash and Paris white stir 15 minutes, mixing speed
130r/min adds quartz sand, antistripping agent later, and hydroxypropyl methyl cellulose stirs 25 minutes, mixing speed 90r/
Min obtains bituminous concrete,
Finally paver is used uniformly to pave on roadbed with 40 ms/h of spreading speed obtained bituminous concrete；To booth
Bituminous concrete after paving is rolled with 0.9 thousand ms/h of rolling speed, and rolling layer 3 times.
Embodiment 2
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement,
Anti-rut agent modified pitch is prepared first: after 46 parts of ethyl acetate are added in flask, its temperature being increased to 50 DEG C,
Stirring 5-10 minutes of 15 parts of cyclooctane is added, temperature is increased to 65 DEG C, 4 parts of end hydroxy butadiene of dropwise addition, while dropwise addition into
Row stirring, rate of addition is controlled in 5 ml/mins, after being added dropwise to complete, is adjusted pH value 6.5, is warming up to 75-80 DEG C, is eventually adding
It 4 parts and 2 parts of glycidyl methacrylate of polyoxyethylene polyoxypropylene pentaerythrite ether, stirs 5-10 minutes, obtains anti-vehicle
Rut agent,
80-85 DEG C being heated to by 110 parts of pitch, obtained 15 parts of anti-rut agent stirring 10-15 minutes being added, nanometer is added later
20 parts of titanium dioxide are uniformly mixed, and raise the temperature to 120 DEG C, shearing are stirred using high-speed shearing machine, when stirring is sheared
Between be 15 minutes, stirring shear velocity is 2500rpm, and temperature is increased to 140 DEG C later, and stirring shear velocity is 4000rpm, is stirred
Mixing shear time is 5-10 minutes, obtains anti-rut agent modified pitch,
Secondly configuration bituminous concrete, bituminous concrete includes following raw material: 36 parts of anti-rut agent modified pitch, 8 parts of cement, and silicon
6 parts, 9 parts of Paris white, 14 parts of quartz sand, 3 parts of antistripping agent, 3 parts of hydroxypropyl methyl cellulose of ash；By the modified drip of anti-rut agent
Blueness is heated to 150 DEG C and keeps the temperature 5 minutes, sequentially adds cement later, and silicon ash and Paris white stir 15 minutes, mixing speed
120r/min adds quartz sand, antistripping agent later, and hydroxypropyl methyl cellulose stirs 25 minutes, mixing speed 80-90r/
Min obtains bituminous concrete,
Finally paver is used uniformly to pave on roadbed with 50 ms/h of spreading speed obtained bituminous concrete；To booth
Bituminous concrete after paving is rolled with 0.8 thousand ms/h of rolling speed, and rolling layer 3 times.
Embodiment 3
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement,
Anti-rut agent modified pitch is prepared first: after 40 parts of ethyl acetate are added in flask, its temperature being increased to 55 DEG C,
Stirring 5-10 minutes of 14 parts of cyclooctane is added, temperature is increased to 60-65 DEG C, 7 parts of end hydroxy butadiene of dropwise addition, while dropwise addition
Be stirred, rate of addition control in 3-5 ml/min, after being added dropwise to complete, adjust pH value 6, be warming up to 75-80 DEG C, finally plus
Enter 5 parts and 1 part of glycidyl methacrylate of polyoxyethylene polyoxypropylene pentaerythrite ether, stirs 5-10 minutes, resisted
Rut agent,
80-85 DEG C being heated to by 140 parts of pitch, obtained 15 parts of anti-rut agent stirring 10-15 minutes being added, nanometer is added later
25 parts of titanium dioxide are uniformly mixed, and raise the temperature to 120 DEG C, shearing are stirred using high-speed shearing machine, when stirring is sheared
Between be 15 minutes, stirring shear velocity is 2200rpm, and temperature is increased to 140-145 DEG C later, stirs shear velocity and is
3600rpm, stirring shear time are 10 minutes, obtain anti-rut agent modified pitch.
Secondly configuration bituminous concrete, bituminous concrete includes following raw material: 37 parts of anti-rut agent modified pitch, cement 7
Part, 6 parts of silicon ash, 8 parts of Paris white, 12 parts of quartz sand, 3 parts of antistripping agent, 2 parts of hydroxypropyl methyl cellulose；By anti-rut agent
Modified pitch is heated to 145 DEG C of heat preservations 5-10 minutes, sequentially adds cement later, and silicon ash and Paris white are stirred 10 minutes, stirred
Speed 120-130r/min is mixed, adds quartz sand, antistripping agent later, hydroxypropyl methyl cellulose stirs 25 minutes, stirring
Speed 80-90r/min, obtains bituminous concrete,
Finally paver is used uniformly to pave on roadbed with 60 ms/h of spreading speed obtained bituminous concrete；To booth
Bituminous concrete after paving is rolled with 1,000 ms/h of rolling speed, and rolling layer 4 times.
Embodiment 4
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement,
Anti-rut agent modified pitch is prepared first: after 43 parts of ethyl acetate are added in flask, its temperature being increased to 50 DEG C,
Stirring 5-10 minutes of 11 parts of cyclooctane is added, temperature is increased to 60-65 DEG C, end hydroxy butadiene 3-7 parts of dropwise addition, dropwise addition it is same
When be stirred, rate of addition control in 5 ml/mins, after being added dropwise to complete, adjust pH value 6-6.5, be warming up to 75-80 DEG C, most
4 parts and 3 parts of glycidyl methacrylate of polyoxyethylene polyoxypropylene pentaerythrite ether are added afterwards, stirs 10 minutes, obtains
Anti-rut agent,
80-85 DEG C being heated to by 100 parts of pitch, 10 parts of anti-rut agent stirrings 15 minutes obtained being added, nano-silica is added later
Change 30 parts of titanium to be uniformly mixed, raise the temperature to 130 DEG C, is stirred shearing using high-speed shearing machine, stirring shear time is
15 minutes, stirring shear velocity was 2400rpm, and temperature is increased to 140-145 DEG C later, and stirring shear velocity is 3600rpm, was stirred
Mixing shear time is 10 minutes, obtains anti-rut agent modified pitch,
Secondly configuration bituminous concrete, bituminous concrete includes following raw material: 38 parts of anti-rut agent modified pitch, 6 parts of cement, and silicon
7 parts, 5 parts of Paris white, 13 parts of quartz sand, 3 parts of antistripping agent, 3 parts of hydroxypropyl methyl cellulose of ash；By the modified drip of anti-rut agent
Blueness is heated to 140 DEG C and keeps the temperature 8 minutes, sequentially adds cement later, and silicon ash and Paris white stir 12 minutes, mixing speed 120-
130r/min adds quartz sand, antistripping agent later, and hydroxypropyl methyl cellulose stirs 20-30 minutes, mixing speed 80-
90r/min obtains bituminous concrete,
Finally paver is used uniformly to pave on roadbed with 70 ms/h of spreading speed obtained bituminous concrete；To booth
Bituminous concrete after paving is rolled with 1.1 thousand ms/h of rolling speed, and rolling layer 2 times.
Embodiment 5
A kind of construction method of Rut resistance anti-strip asphalt concrete pavement,
Anti-rut agent modified pitch is prepared first: after 50 parts of ethyl acetate are added in flask, its temperature being increased to 55 DEG C,
Stirring 5-10 minutes of 15 parts of cyclooctane is added, temperature is increased to 65 DEG C, 6 parts of end hydroxy butadiene of dropwise addition, while dropwise addition into
Row stirring, rate of addition is controlled in 3 ml/mins, after being added dropwise to complete, is adjusted pH value 6.5, is warming up to 80 DEG C, is eventually adding poly-
It 5 parts and 3 parts of glycidyl methacrylate of ethylene oxide polyoxypropylene pentaerythrite ether, stirs 10 minutes, obtains anti-rut agent,
80-85 DEG C being heated to by 130 parts of pitch, 15 parts of anti-rut agent stirrings 15 minutes obtained being added, nano-silica is added later
Change 30 parts of titanium to be uniformly mixed, raise the temperature to 130 DEG C, is stirred shearing using high-speed shearing machine, stirring shear time is
20 minutes, stirring shear velocity was 2100rpm, and temperature is increased to 140-145 DEG C later, and stirring shear velocity is 3800rpm, was stirred
Mixing shear time is 5 minutes, obtains anti-rut agent modified pitch,
Secondly configuration bituminous concrete, bituminous concrete includes following raw material: 40 parts of anti-rut agent modified pitch, 5 parts of cement, and silicon
7 parts, 9 parts of Paris white, 18 parts of quartz sand, 4 parts of antistripping agent, 3 parts of hydroxypropyl methyl cellulose of ash；By the modified drip of anti-rut agent
Blueness is heated to 150 DEG C and keeps the temperature 9 minutes, sequentially adds cement later, and silicon ash and Paris white stir 12 minutes, mixing speed
130r/min adds quartz sand, antistripping agent later, and hydroxypropyl methyl cellulose stirs 30 minutes, mixing speed 90r/
Min obtains bituminous concrete,
Finally paver is used uniformly to pave on roadbed with 80 ms/h of spreading speed obtained bituminous concrete；To booth
Bituminous concrete after paving is rolled with 1.2 thousand ms/h of rolling speed, and rolling layer 4 times.
1 Rut resistance anti-strip asphalt concrete pavement performance test of table:
| Dynamic stability (secondary/mm) | Marshall stability (KN) | Final deformation amount (mm) | Freeze-thaw split intensity ratio (%) | Adhesiveness | |
| Embodiment 1 | 11347 | 12 | 0.521 | 95.4 | 5 grades |
| Embodiment 2 | 11254 | 14 | 0.530 | 95.2 | 5 grades |
| Embodiment 3 | 11282 | 12 | 0.512 | 96.7 | 5 grades |
| Embodiment 4 | 11274 | 13 | 0.527 | 96.1 | 5 grades |
| Embodiment 5 | 11313 | 13 | 0.536 | 95.8 | 5 grades |
Claims (8)
1. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement,
Anti-rut agent modified pitch is prepared first: after 40-50 parts of weight part of ethylacetate are added in flask, by its temperature liter
Height arrives 50-55 DEG C, is added cyclooctane 10-15 parts stirring 5-10 minutes, and temperature is increased to 60-65 DEG C, and terminal hydroxy group polybutadiene is added dropwise
3-7 parts of alkene, dropwise addition while, is stirred, and rate of addition is controlled in 3-5 ml/min, after being added dropwise to complete, adjusts pH value 6-
6.5, it is warming up to 75-80 DEG C, is eventually adding 4-5 parts of polyoxyethylene polyoxypropylene pentaerythrite ether and methyl propenoic acid glycidyl
It 1-3 parts of ester, stirs 5-10 minutes, obtains anti-rut agent,
80-85 DEG C is heated to by 100-150 parts of parts by weight pitch, and obtained 5-15 parts of anti-rut agent stirring 10-15 minutes is added,
Nano-titanium dioxide 20-30 parts is added later to be uniformly mixed, raises the temperature to 120-130 DEG C, is carried out using high-speed shearing machine
Stirring shearing, stirring shear time are 10-20 minutes, and stirring shear velocity is 2000-2500rpm, and temperature is increased to later
140-145 DEG C, stirring shear velocity is 3500-4000rpm, and stirring shear time is 5-10 minutes, and it is modified to obtain anti-rut agent
Pitch,
Secondly configuration bituminous concrete, the bituminous concrete includes following parts by weight of raw materials: anti-rut agent modified pitch 30-40
Part, 5-8 parts of cement, 5-10 parts of silicon ash, 5-10 parts of Paris white, 10-20 parts of quartz sand, 2-5 parts of antistripping agent, hydroxypropyl methyl
1-3 parts of cellulose；Anti-rut agent modified pitch is heated to 140-150 DEG C of heat preservation 5-10 minutes, sequentially adds cement, silicon later
Ash and Paris white stir 10-15 minutes, and mixing speed 120-130r/min adds quartz sand, antistripping agent, hydroxypropyl later
Ylmethyl cellulose stirs 20-30 minutes, and mixing speed 80-90r/min obtains bituminous concrete,
Finally paver is used uniformly to pave on roadbed with 40-90 ms/h of spreading speed obtained bituminous concrete；It is right
Bituminous concrete after paving is rolled with thousand ms/h of rolling speed 0.8-1.2, rolling layer 2-4 times.
2. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, the antistripping agent
It include: 20 parts of single Tryfac 5573,7 parts of butyl stearate, 1 part of polyethylene wax.
3. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, described use paves
Machine is uniformly paved with 80 ms/h of spreading speed.
4. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, the rolling speed
Thousand ms/h of 0.8-1.2 are rolled, and rolling layer about 2-4 times.
5. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, described by pitch 120
Part is heated to 85 DEG C and 10 parts of anti-rut agent stirrings 15 minutes obtained is added.
6. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, the high speed shear
Machine is stirred shearing, and stirring shear time is 20 minutes, and stirring shear velocity is 2200rpm.
7. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, the temperature later
145 DEG C are increased to, stirring shear time is 5 minutes, and stirring shear velocity is 3500rpm.
8. a kind of construction method of Rut resistance anti-strip asphalt concrete pavement as described in claim 1, the pitch coagulation
Soil includes following raw material: 35 parts of anti-rut agent modified pitch, 7 parts of cement, 5 parts of silicon ash, 5 parts of Paris white, 14 parts of quartz sand, being resisted
3 parts of exfoliant, 2 parts of hydroxypropyl methyl cellulose.
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| CN201811116479.XA CN108951346B (en) | 2018-09-25 | 2018-09-25 | Construction method of anti-rutting and anti-stripping asphalt concrete pavement |
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| CN201811116479.XA CN108951346B (en) | 2018-09-25 | 2018-09-25 | Construction method of anti-rutting and anti-stripping asphalt concrete pavement |
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| CN108951346A true CN108951346A (en) | 2018-12-07 |
| CN108951346B CN108951346B (en) | 2021-06-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196219A (en) * | 2021-12-20 | 2022-03-18 | 山东高速建设管理集团有限公司 | Asphalt anti-stripping agent and preparation method and application thereof |
| CN115180874A (en) * | 2022-05-31 | 2022-10-14 | 北京路通鑫缘工程技术发展有限公司 | Water-blocking thin-layer asphalt mixture and preparation method and use method thereof |
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| CN105111759A (en) * | 2015-09-24 | 2015-12-02 | 英达热再生有限公司 | Anti-track asphalt and method for preparing same |
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