CN108951346B - Construction method of anti-rutting and anti-stripping asphalt concrete pavement - Google Patents
Construction method of anti-rutting and anti-stripping asphalt concrete pavement Download PDFInfo
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- CN108951346B CN108951346B CN201811116479.XA CN201811116479A CN108951346B CN 108951346 B CN108951346 B CN 108951346B CN 201811116479 A CN201811116479 A CN 201811116479A CN 108951346 B CN108951346 B CN 108951346B
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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
Abstract
A construction method of an anti-rutting and anti-stripping asphalt concrete pavement comprises the following steps: adding 40-50 parts by weight of ethyl acetate into a flask, raising the temperature to 50-55 ℃, adding 10-15 parts of cyclooctane, stirring for 5-10 minutes, raising the temperature to 60-65 ℃, dropwise adding 3-7 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, and controlling the dropwise adding speed to 3-5 ml/minute.
Description
Technical Field
The invention relates to a construction method of an anti-rutting and anti-stripping asphalt concrete pavement, belonging to the technical field of road construction.
Background
Asphalt pavement occupies a considerable proportion of highways due to its excellent service performance. However, in recent years, due to the limitations of the performance of the raw materials of asphalt pavement and the influence of external factors such as traffic volume, increase of heavy and overloaded vehicles, and deterioration of weather conditions, asphalt pavement is under severe examination. Early diseases occur soon after many newly-built asphalt pavements are opened, and track diseases become one of the most serious early diseases damaging the asphalt pavements. Ruts occur to degrade the flatness of the road surface and cause other diseases such as web breaks, pits, holes, etc. The method not only influences the comfort and safety of driving, but also reduces economic benefits and social benefits, so that the prevention and control of the rut diseases are the first problems in the current road construction.
Disclosure of Invention
The invention provides a construction method of an anti-rutting and anti-stripping asphalt concrete pavement, aiming at solving the problems in the prior art.
A construction method of an anti-track anti-stripping asphalt concrete pavement,
firstly, preparing anti-rutting agent modified asphalt: adding 40-50 parts by weight of ethyl acetate into a flask, raising the temperature to 50-55 ℃, adding 10-15 parts of cyclooctane, stirring for 5-10 minutes, raising the temperature to 60-65 ℃, dropwise adding 3-7 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, controlling the dropwise adding speed to 3-5 ml/minute, adjusting the pH value to 6-6.5 after completing dropwise adding, raising the temperature to 75-80 ℃, finally adding 4-5 parts of polyoxyethylene polyoxypropylene pentaerythritol ether and 1-3 parts of glycidyl methacrylate, stirring for 5-10 minutes to obtain the anti-rutting agent,
heating 100-85 ℃ of asphalt by weight to 150 parts of anti-rutting agent by weight, adding 5-15 parts of the obtained anti-rutting agent, stirring for 10-15 minutes, adding 20-30 parts of nano titanium dioxide, uniformly mixing, raising the temperature to 120-130 ℃, stirring and shearing by using a high-speed shearing machine, wherein the stirring and shearing time is 10-20 minutes, the stirring and shearing speed is 2000-2500rpm, the temperature is raised to 140-145 ℃, the stirring and shearing speed is 3500-4000rpm, and the stirring and shearing time is 5-10 minutes, so as to obtain the anti-rutting agent modified asphalt.
Secondly, preparing asphalt concrete, wherein the asphalt concrete comprises the following raw materials in parts by weight: 30-40 parts of anti-rutting agent modified asphalt, 5-8 parts of cement, 5-10 parts of silica fume, 5-10 parts of calcium carbonate powder, 10-20 parts of quartz sand, 2-5 parts of anti-stripping agent and 1-3 parts of hydroxypropyl methyl cellulose; heating the anti-rutting agent modified asphalt to 140-,
finally, uniformly spreading the obtained asphalt concrete on the roadbed by a spreading machine at a spreading speed of 40-90 m/h; rolling the paved asphalt concrete at the rolling speed of 0.8-1.2 km/h for 2-4 times.
Preferably, the anti-rutting and anti-stripping asphalt concrete pavement construction method comprises the following steps of 20 parts of monolauryl phosphate, 7 parts of butyl stearate and 1 part of polyethylene wax.
Preferably, the construction method of the anti-rutting and anti-stripping asphalt concrete pavement adopts a paver to uniformly pave at a paving speed of 80 m/h.
Preferably, the rolling speed is 0.8-1.2 km/h, and the rolling times are 2-4 times.
The construction method of the anti-rutting and anti-stripping asphalt concrete pavement comprises the steps of heating 120 parts of asphalt to 85 ℃, adding 10 parts of the obtained anti-rutting agent, and stirring for 15 minutes.
Preferably, in the construction method of the anti-rutting and anti-peeling asphalt concrete pavement, the high-speed shearing machine is used for stirring and shearing, the stirring and shearing time is 20 minutes, and the stirring and shearing speed is 2200 rpm.
Preferably, the temperature is raised to 145 ℃, the stirring and shearing time is 5 minutes, and the stirring and shearing speed is 3500 rpm.
Preferably, the construction method of the anti-rutting and anti-stripping asphalt concrete pavement comprises the following raw materials: 35 parts of anti-rutting agent modified asphalt, 7 parts of cement, 5 parts of silica fume, 5 parts of calcium carbonate powder, 14 parts of quartz sand, 3 parts of anti-stripping agent and 2 parts of hydroxypropyl methyl cellulose.
The anti-rutting additive and the asphalt are mutually invaded and diffused through high-speed shearing, the nano titanium dioxide is filled in the gaps of the asphalt, and meanwhile, the anti-rutting additive is diffused into asphalt molecules, so that a condensed reticular mixed structure is formed. The anti-rutting agent is quickly dissolved in the asphalt, the formed micro-crystallization area has equivalent stiffness, and the micro-crystallization area is drawn into fiber in the high-speed shearing process to form a fiber reinforcement effect.
Example 1
A construction method of an anti-track anti-stripping asphalt concrete pavement,
firstly, preparing anti-rutting agent modified asphalt: adding 40 parts of ethyl acetate into a flask, raising the temperature to 50-55 ℃, adding 11 parts of cyclooctane, stirring for 8 minutes, raising the temperature to 60 ℃, dropwise adding 6 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, controlling the dropwise adding speed to be 4 ml/minute, adjusting the pH value to be 6 after dropwise adding, raising the temperature to 80 ℃, finally adding 5 parts of polyoxyethylene polyoxypropylene pentaerythritol ether and 1 part of glycidyl methacrylate, stirring for 10 minutes to obtain the anti-rutting agent,
heating 120 parts of asphalt to 80-85 ℃, adding 7 parts of the obtained anti-rutting agent, stirring for 10-15 minutes, adding 30 parts of nano titanium dioxide, uniformly mixing, raising the temperature to 130 ℃, using a high-speed shearing machine to stir and shear, wherein the stirring and shearing time is 15 minutes, the stirring and shearing speed is 2000rpm, the temperature is raised to 140-145 ℃, the stirring and shearing speed is 3500rpm, and the stirring and shearing time is 10 minutes, so as to obtain the anti-rutting agent modified asphalt,
secondly, preparing asphalt concrete, wherein the asphalt concrete comprises the following raw materials: 32 parts of anti-rutting agent modified asphalt, 6 parts of cement, 6 parts of silica fume, 5 parts of calcium carbonate powder, 18 parts of quartz sand, 2 parts of anti-stripping agent and 1 part of hydroxypropyl methyl cellulose; heating the anti-rutting agent modified asphalt to 145 ℃, preserving heat for 10 minutes, then sequentially adding cement, silica fume and calcium carbonate powder, stirring for 15 minutes at the stirring speed of 130r/min, then adding quartz sand, the anti-stripping agent and the hydroxypropyl methyl cellulose, stirring for 25 minutes at the stirring speed of 90r/min to obtain asphalt concrete,
finally, uniformly spreading the obtained asphalt concrete on the roadbed by a spreading machine at a spreading speed of 40 m/h; rolling the paved asphalt concrete at the rolling speed of 0.9 kilometer per hour for 3 times.
Example 2
A construction method of an anti-track anti-stripping asphalt concrete pavement,
firstly, preparing anti-rutting agent modified asphalt: adding 46 parts of ethyl acetate into a flask, raising the temperature to 50 ℃, adding 15 parts of cyclooctane, stirring for 5-10 minutes, raising the temperature to 65 ℃, dropwise adding 4 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, controlling the dropwise adding speed to be 5 ml/minute, adjusting the pH value to be 6.5 after dropwise adding, raising the temperature to 75-80 ℃, finally adding 4 parts of polyoxyethylene polyoxypropylene pentaerythritol ether and 2 parts of glycidyl methacrylate, stirring for 5-10 minutes to obtain the anti-rutting agent,
heating 110 parts of asphalt to 80-85 ℃, adding 15 parts of the obtained anti-rutting agent, stirring for 10-15 minutes, adding 20 parts of nano titanium dioxide, uniformly mixing, raising the temperature to 120 ℃, stirring and shearing by using a high-speed shearing machine, wherein the stirring and shearing time is 15 minutes, the stirring and shearing speed is 2500rpm, then raising the temperature to 140 ℃, the stirring and shearing speed is 4000rpm, and the stirring and shearing time is 5-10 minutes, so as to obtain the anti-rutting agent modified asphalt,
secondly, preparing asphalt concrete, wherein the asphalt concrete comprises the following raw materials: 36 parts of anti-rutting agent modified asphalt, 8 parts of cement, 6 parts of silica fume, 9 parts of calcium carbonate powder, 14 parts of quartz sand, 3 parts of anti-stripping agent and 3 parts of hydroxypropyl methyl cellulose; heating the anti-rutting agent modified asphalt to 150 ℃, preserving heat for 5 minutes, then sequentially adding cement, silica fume and calcium carbonate powder, stirring for 15 minutes at the stirring speed of 120r/min, then adding quartz sand, the anti-stripping agent and the hydroxypropyl methyl cellulose, stirring for 25 minutes at the stirring speed of 80-90r/min to obtain asphalt concrete,
finally, uniformly spreading the obtained asphalt concrete on a roadbed by a spreading machine at a spreading speed of 50 m/h; rolling the paved asphalt concrete at the rolling speed of 0.8 kilometer per hour for 3 times.
Example 3
A construction method of an anti-track anti-stripping asphalt concrete pavement,
firstly, preparing anti-rutting agent modified asphalt: adding 40 parts of ethyl acetate into a flask, raising the temperature to 55 ℃, adding 14 parts of cyclooctane, stirring for 5-10 minutes, raising the temperature to 60-65 ℃, dropwise adding 7 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, controlling the dropwise adding speed to 3-5 ml/minute, adjusting the pH value to 6 after dropwise adding, raising the temperature to 75-80 ℃, finally adding 5 parts of polyoxyethylene polyoxypropylene pentaerythritol ether and 1 part of glycidyl methacrylate, stirring for 5-10 minutes to obtain the anti-rutting agent,
heating 140 parts of asphalt to 80-85 ℃, adding 15 parts of the obtained anti-rutting agent, stirring for 10-15 minutes, adding 25 parts of nano titanium dioxide, uniformly mixing, raising the temperature to 120 ℃, stirring and shearing by using a high-speed shearing machine, wherein the stirring and shearing time is 15 minutes, the stirring and shearing speed is 2200rpm, the temperature is raised to 140-145 ℃, the stirring and shearing speed is 3600rpm, and the stirring and shearing time is 10 minutes, so as to obtain the anti-rutting agent modified asphalt.
Secondly, preparing asphalt concrete, wherein the asphalt concrete comprises the following raw materials: 37 parts of anti-rutting agent modified asphalt, 7 parts of cement, 6 parts of silica fume, 8 parts of calcium carbonate powder, 12 parts of quartz sand, 3 parts of anti-stripping agent and 2 parts of hydroxypropyl methyl cellulose; heating the anti-rutting agent modified asphalt to 145 ℃, preserving heat for 5-10 minutes, then sequentially adding cement, silica fume and calcium carbonate powder, stirring for 10 minutes at the stirring speed of 120-,
finally, uniformly spreading the obtained asphalt concrete on a roadbed by a spreading machine at a spreading speed of 60 m/h; and rolling the paved asphalt concrete at the rolling speed of 1 kilometer per hour for 4 times.
Example 4
A construction method of an anti-track anti-stripping asphalt concrete pavement,
firstly, preparing anti-rutting agent modified asphalt: adding 43 parts of ethyl acetate into a flask, raising the temperature to 50 ℃, adding 11 parts of cyclooctane, stirring for 5-10 minutes, raising the temperature to 60-65 ℃, dropwise adding 3-7 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, controlling the dropwise adding speed to be 5 ml/minute, adjusting the pH value to be 6-6.5 after dropwise adding, raising the temperature to 75-80 ℃, finally adding 4 parts of polyoxyethylene polyoxypropylene pentaerythritol ether and 3 parts of glycidyl methacrylate, stirring for 10 minutes to obtain the anti-rutting agent,
heating 100 parts of asphalt to 80-85 ℃, adding 10 parts of the obtained anti-rutting agent, stirring for 15 minutes, adding 30 parts of nano titanium dioxide, uniformly mixing, raising the temperature to 130 ℃, stirring and shearing by using a high-speed shearing machine, wherein the stirring and shearing time is 15 minutes, the stirring and shearing speed is 2400rpm, the temperature is raised to 140-145 ℃, the stirring and shearing speed is 3600rpm, and the stirring and shearing time is 10 minutes, so as to obtain the anti-rutting agent modified asphalt,
secondly, preparing asphalt concrete, wherein the asphalt concrete comprises the following raw materials: 38 parts of anti-rutting agent modified asphalt, 6 parts of cement, 7 parts of silica fume, 5 parts of calcium carbonate powder, 13 parts of quartz sand, 3 parts of anti-stripping agent and 3 parts of hydroxypropyl methyl cellulose; heating the anti-rutting agent modified asphalt to 140 ℃, preserving heat for 8 minutes, then sequentially adding cement, silica fume and calcium carbonate powder, stirring for 12 minutes at the stirring speed of 120-130r/min, then adding quartz sand, anti-stripping agent and hydroxypropyl methyl cellulose, stirring for 20-30 minutes at the stirring speed of 80-90r/min to obtain asphalt concrete,
finally, uniformly spreading the obtained asphalt concrete on the roadbed by a spreading machine at a spreading speed of 70 m/h; and rolling the paved asphalt concrete at the rolling speed of 1.1 kilometer per hour for 2 times.
Example 5
A construction method of an anti-track anti-stripping asphalt concrete pavement,
firstly, preparing anti-rutting agent modified asphalt: adding 50 parts of ethyl acetate into a flask, raising the temperature to 55 ℃, adding 15 parts of cyclooctane, stirring for 5-10 minutes, raising the temperature to 65 ℃, dropwise adding 6 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, controlling the dropwise adding speed to be 3 ml/minute, adjusting the pH value to be 6.5 after dropwise adding, raising the temperature to 80 ℃, finally adding 5 parts of polyoxyethylene polyoxypropylene pentaerythritol ether and 3 parts of glycidyl methacrylate, stirring for 10 minutes to obtain the anti-rutting agent,
heating 130 parts of asphalt to 80-85 ℃, adding 15 parts of the obtained anti-rutting agent, stirring for 15 minutes, adding 30 parts of nano titanium dioxide, uniformly mixing, raising the temperature to 130 ℃, stirring and shearing by using a high-speed shearing machine, wherein the stirring and shearing time is 20 minutes, the stirring and shearing speed is 2100rpm, the temperature is raised to 140-145 ℃, the stirring and shearing speed is 3800rpm, and the stirring and shearing time is 5 minutes, so as to obtain the anti-rutting agent modified asphalt,
secondly, preparing asphalt concrete, wherein the asphalt concrete comprises the following raw materials: 40 parts of anti-rutting agent modified asphalt, 5 parts of cement, 7 parts of silica fume, 9 parts of calcium carbonate powder, 18 parts of quartz sand, 4 parts of anti-stripping agent and 3 parts of hydroxypropyl methyl cellulose; heating the anti-rutting agent modified asphalt to 150 ℃, preserving heat for 9 minutes, then sequentially adding cement, silica fume and calcium carbonate powder, stirring for 12 minutes at the stirring speed of 130r/min, then adding quartz sand, the anti-stripping agent and the hydroxypropyl methyl cellulose, stirring for 30 minutes at the stirring speed of 90r/min to obtain asphalt concrete,
finally, uniformly spreading the obtained asphalt concrete on the roadbed by a spreading machine at a spreading speed of 80 m/h; and rolling the paved asphalt concrete at the rolling speed of 1.2 kilometers per hour for 4 times.
Table 1 rut and spall resistant asphalt concrete pavement performance test:
| degree of dynamic stability (times/mm) | Marshall stability (KN) | Final deflection (mm) | Freeze-thaw split strength ratio (%) | Adhesion property | |
| Example 1 | 11347 | 12 | 0.521 | 95.4 | Grade 5 |
| Example 2 | 11254 | 14 | 0.530 | 95.2 | Grade 5 |
| Example 3 | 11282 | 12 | 0.512 | 96.7 | Grade 5 |
| Example 4 | 11274 | 13 | 0.527 | 96.1 | Grade 5 |
| Example 5 | 11313 | 13 | 0.536 | 95.8 | Grade 5 |
Claims (6)
1. A construction method of an anti-track anti-stripping asphalt concrete pavement,
firstly, preparing anti-rutting agent modified asphalt: adding 40-50 parts by weight of ethyl acetate into a flask, raising the temperature to 50-55 ℃, adding 10-15 parts of cyclooctane, stirring for 5-10 minutes, raising the temperature to 60-65 ℃, dropwise adding 3-7 parts of hydroxyl-terminated polybutadiene, stirring while dropwise adding, controlling the dropwise adding speed to 3-5 ml/minute, adjusting the pH value to 6-6.5 after completing dropwise adding, raising the temperature to 75-80 ℃, finally adding 4-5 parts of polyoxyethylene polyoxypropylene pentaerythritol ether and 1-3 parts of glycidyl methacrylate, stirring for 5-10 minutes to obtain the anti-rutting agent,
heating 100-85 deg.C of asphalt to 80-85 deg.C, adding 5-15 parts of the obtained anti-rutting agent, stirring for 10-15 min, adding 20-30 parts of nano titanium dioxide, mixing uniformly, raising the temperature to 120-130 deg.C, stirring and shearing with a high-speed shearing machine for 10-20 min, stirring and shearing at 2000-2500rpm, raising the temperature to 140-145 deg.C, stirring and shearing at 3500-4000rpm, stirring and shearing at 5-10 min to obtain anti-rutting agent modified asphalt,
secondly, preparing asphalt concrete, wherein the asphalt concrete comprises the following raw materials in parts by weight: 35-40 parts of anti-rutting agent modified asphalt, 7-8 parts of cement, 5-10 parts of silica fume, 5-10 parts of calcium carbonate powder, 14-20 parts of quartz sand, 3-5 parts of anti-stripping agent and 2-3 parts of hydroxypropyl methyl cellulose; heating the anti-rutting agent modified asphalt to 140-plus-150 ℃, preserving heat for 5-10 minutes, then sequentially adding cement, silica fume and calcium carbonate powder, stirring for 10-15 minutes at the stirring speed of 120-plus-130 r/min, then adding quartz sand, an anti-stripping agent and hydroxypropyl methyl cellulose, stirring for 20-30 minutes at the stirring speed of 80-90r/min to obtain asphalt concrete, wherein the anti-stripping agent comprises 20 parts of monolauryl phosphate, 7 parts of butyl stearate and 1 part of polyethylene wax,
finally, uniformly spreading the obtained asphalt concrete on the roadbed by a spreading machine at a spreading speed of 40-90 m/h; rolling the paved asphalt concrete at the rolling speed of 0.8-1.2 km/h for 2-4 times.
2. The method for constructing a rut-resistant and peeling-resistant asphalt concrete pavement according to claim 1, wherein the asphalt concrete pavement is uniformly paved by a paver at a paving speed of 80 m/h.
3. The method for constructing an anti-rutting and anti-stripping asphalt concrete pavement according to claim 1, wherein the rolling is performed at a rolling speed of 0.8-1.2 km/h for 2-4 times.
4. The method for constructing an anti-rutting and anti-stripping asphalt concrete pavement according to claim 1, wherein 120 parts of asphalt is heated to 85 ℃ and 10 parts of the obtained anti-rutting agent is added and stirred for 15 minutes.
5. The method for constructing an anti-rutting and anti-peeling asphalt concrete pavement according to claim 1, wherein the high speed shearing machine is used for stirring and shearing, the stirring and shearing time is 20 minutes, and the stirring and shearing speed is 2200 rpm.
6. The method of constructing a rut and chip resistant asphalt pavement as claimed in claim 1, wherein the temperature is raised to 145 ℃ and the stirring shear speed is 3500rpm, the stirring shear time is 5 minutes.
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| CN114196219B (en) * | 2021-12-20 | 2023-06-13 | 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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| CN107200511A (en) * | 2017-05-19 | 2017-09-26 | 同济大学 | Nano material modified rubber asphalt and preparation method thereof |
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