CN114752225A - Preventive maintenance material for asphalt pavement and preparation method thereof - Google Patents
Preventive maintenance material for asphalt pavement and preparation method thereof Download PDFInfo
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- CN114752225A CN114752225A CN202210550833.XA CN202210550833A CN114752225A CN 114752225 A CN114752225 A CN 114752225A CN 202210550833 A CN202210550833 A CN 202210550833A CN 114752225 A CN114752225 A CN 114752225A
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- polydiethylsiloxane
- asphalt pavement
- asphalt
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- 239000000463 material Substances 0.000 title claims abstract description 63
- 239000010426 asphalt Substances 0.000 title claims abstract description 62
- 238000012423 maintenance Methods 0.000 title claims abstract description 40
- 230000003449 preventive effect Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 44
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- -1 polydiethylsiloxane Polymers 0.000 claims abstract description 28
- 239000010453 quartz Substances 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 20
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 19
- 239000003549 soybean oil Substances 0.000 claims abstract description 19
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 17
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 17
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 17
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 17
- 239000006229 carbon black Substances 0.000 claims abstract description 17
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000010881 fly ash Substances 0.000 claims abstract description 17
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 24
- 239000000839 emulsion Substances 0.000 claims description 12
- 238000010008 shearing Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000011550 stock solution Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000004945 emulsification Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000003973 paint Substances 0.000 claims 1
- 230000003487 anti-permeability effect Effects 0.000 abstract description 3
- 239000002352 surface water Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preventive maintenance material for asphalt pavements and a preparation method thereof, wherein the preventive maintenance material comprises the following components: 40-60 parts of matrix asphalt, 30-40 parts of modified acrylic resin, 5-8 parts of fly ash, 1-3 parts of water-based carbon black color paste, 0.5-1 part of basalt powder, 0.5-1 part of quartz powder, 13-25 parts of hydroxyethyl cellulose solution, 2-7 parts of nano calcium carbonate, 3-7 parts of epoxidized soybean oil, 3-7 parts of polydiethylsiloxane, 2-5 parts of polydiethylsiloxane, 3-7 parts of polylactide fiber and 15-22 parts of emulsifier. The invention has better dispersibility and thixotropy, can be constructed at room temperature without hot-mixing treatment, has good anti-permeability, prevents road surface water from permeating into a base layer, and realizes limited sliding of the asphalt pavement.
Description
Technical Field
The invention relates to the technical field of pavement materials, in particular to a preventive maintenance material for an asphalt pavement and a preparation method thereof.
Background
Asphalt pavements are widely used in high-grade highways, provincial and national roads and municipal roads in China. Asphalt serving as a cementing material is a high polymer material and is easy to age under the long-term combined action of traffic load, ultraviolet rays, water and the like, so that early diseases such as cracks, looseness, water damage, cracking, net cracks and the like occur on the asphalt, the service life of the pavement is further shortened, and bumping driving and even safety accidents are easy to cause. For a long time, the maintenance mode of 'damage before maintenance' is always adopted for asphalt pavement maintenance, so that the passive maintenance situation of 'no treatment for minor diseases and major repair for major diseases' is caused, and the heavy maintenance work is difficult to guarantee by limited maintenance cost.
The preventive maintenance materials commonly used for the prior asphalt pavement mainly comprise a fog seal, a slurry seal, a micro-surfacing and synchronous chip seal and the like. However, the current asphalt pavement maintenance materials have poor waterproof and anti-skid properties.
Disclosure of Invention
The invention mainly aims to provide a preventive maintenance material for an asphalt pavement and a preparation method thereof, aiming at improving the waterproof and anti-skid properties of the maintenance material.
In order to achieve the purpose, the invention provides a preventive maintenance material for an asphalt pavement, which comprises the following components: 40-60 parts of matrix asphalt, 30-40 parts of modified acrylic resin, 5-8 parts of fly ash, 1-3 parts of water-based carbon black color paste, 0.5-1 part of basalt powder, 0.5-1 part of quartz powder, 13-25 parts of hydroxyethyl cellulose solution, 2-7 parts of nano calcium carbonate, 3-7 parts of epoxidized soybean oil, 3-7 parts of polydiethylsiloxane, 2-5 parts of polydiethylsiloxane, 3-7 parts of polylactide fiber filaments and 15-22 parts of emulsifier.
Optionally, the following components are included: 40 parts of matrix asphalt, 30 parts of modified acrylic resin, 6 parts of fly ash, 2 parts of water-based carbon black color paste, 0.5 part of basalt powder, 1 part of quartz powder, 13 parts of hydroxyethyl cellulose solution, 4 parts of nano calcium carbonate, 3 parts of epoxidized soybean oil, 5 parts of polydiethyl siloxane, 2 parts of polydiethyl siloxane, 3 parts of polylactide fiber filaments and 15 parts of emulsifier.
Optionally, the following components are included: 50 parts of matrix asphalt, 35 parts of modified acrylic resin, 5 parts of fly ash, 1 part of water-based carbon black color paste, 0.8 part of basalt powder, 0.8 part of quartz powder, 19 parts of hydroxyethyl cellulose solution, 2 parts of nano calcium carbonate, 5 parts of epoxidized soybean oil, 3 parts of polydiethylsiloxane, 4 parts of polylactide fiber filaments and 18 parts of emulsifier.
Optionally, the following components are included: 60 parts of matrix asphalt, 40 parts of modified acrylic resin, 8 parts of fly ash, 3 parts of water-based carbon black color paste, 1 part of basalt powder, 0.6 part of quartz powder, 25 parts of hydroxyethyl cellulose solution, 7 parts of nano calcium carbonate, 7 parts of epoxidized soybean oil, 7 parts of polydiethylsiloxane, 5 parts of polydiethylsiloxane, 7 parts of polylactide fiber filaments and 22 parts of emulsifier.
Optionally, the particle size of the basalt powder is in the range of 0.150-0.195mm, and the particle size of the quartz powder is less than 0.150 mm.
Optionally, the self-leveling agent further comprises 1-2 parts of component additives, wherein the additives are one or a combination of a self-leveling agent and a water reducing agent.
The invention also provides a preparation method of the asphalt pavement preventive maintenance material, which comprises the following steps:
s1: shearing the modified acrylic resin, the fly ash and the water-based carbon black color paste at 100-105 ℃ for 40 minutes to form a base material A;
s2: uniformly mixing basalt powder, quartz powder, hydroxyethyl cellulose solution, nano calcium carbonate, epoxidized soybean oil, polydiethylsiloxane and polylactide cellosilk to obtain B base material solution;
s3: adding an emulsifier into the B base material solution for uniform dispersion, adjusting the pH value of the B base material solution to be between 1 and 4, then pouring the B base material solution into a stirring tank, starting the stirring tank, and adding matrix asphalt for emulsification to obtain an emulsion;
s4: transferring the emulsion into a high-speed shearing instrument, adding the base material A, rotating at a low speed for 15-30 minutes, and subpackaging by containers to obtain the curing material.
Optionally, in S3, the stirring speed of the stirring tank is controlled within a range of 300r/min to 600r/min, and the emulsion is formed after stirring for 5 to 10 minutes at normal temperature.
The invention has the beneficial effects that:
1. the invention has better dispersibility and thixotropy, can be constructed at room temperature, does not need hot-mixing treatment, has good anti-permeability, prevents road surface water from permeating into a base layer, and realizes limited sliding of an asphalt pavement;
2. according to the invention, epoxidized soybean oil and polydiethylsiloxane are added to improve the flowing property of the maintenance material, and the polydiethylsiloxane can enable the asphalt pavement material to form a hydrophobic layer, so that the hydrophobic effect is achieved, and the interfacial adhesion of a water phase is reduced;
3. the polylactide fiber added in the invention has the function of healing the fine cracks, and the polylactide fiber permeates into the fine cracks of the asphalt pavement to prevent the water seepage from expanding, thereby achieving the purpose of sealing the cracks and preventing water.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "comprising" and "having," and any variations thereof, in the description of the invention and in the claims, are intended to cover non-exclusive inclusions; the terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The sources of the raw materials used in the present invention are not limited, and the raw materials used in the present invention are all those commonly available in the art unless otherwise specified. The sources of some raw materials of the cosmetic are shown in table 1.
Example 1
The invention relates to a preventive maintenance material for an asphalt pavement, which comprises the following components: 40 parts of matrix asphalt, 30 parts of modified acrylic resin, 6 parts of fly ash, 2 parts of water-based carbon black color paste, 0.5 part of basalt powder, 1 part of quartz powder, 13 parts of hydroxyethyl cellulose solution, 4 parts of nano calcium carbonate, 3 parts of epoxidized soybean oil, 5 parts of polydiethylsiloxane, 2 parts of polydiethylsiloxane, 3 parts of polylactide fiber filaments and 15 parts of emulsifier; the granularity of the basalt powder is 0.150mm, and the granularity of the quartz powder is less than 0.150 mm.
The preventive maintenance material for the asphalt pavement comprises the following steps of:
s1: shearing the modified acrylic resin, the fly ash and the water-based carbon black color paste at 100 ℃ for 40 minutes at a high speed to form a base material A;
s2: uniformly mixing basalt powder, quartz powder, hydroxyethyl cellulose solution, nano calcium carbonate, epoxidized soybean oil, polydiethylsiloxane and polylactide fiber to obtain B base material solution;
s3: adding an emulsifier into the base stock solution B, uniformly dispersing, adjusting the pH value of the base stock solution B to be equal to 2, then pouring into a stirring tank, starting the stirring tank, adding the base asphalt for emulsification, controlling the stirring speed of the stirring tank at 300r/min, and stirring at normal temperature for 5 minutes to obtain an emulsion;
s4: transferring the emulsion into a high-speed shearing instrument, adding the base material A, rotating at a low speed for 15 minutes, and subpackaging by containers to obtain the curing material.
During construction, firstly cleaning and maintaining the asphalt pavement, and then mixing the maintenance material and the curing agent according to the mass ratio of 95: 1, and uniformly spraying or blade-coating the mixture on the asphalt pavement to be used as a preventive maintenance material for the asphalt pavement.
Example 2
The invention relates to a preventive maintenance material for an asphalt pavement, which comprises the following components: 50 parts of matrix asphalt, 35 parts of modified acrylic resin, 5 parts of fly ash, 1 part of water-based carbon black color paste, 0.8 part of basalt powder, 0.8 part of quartz powder, 19 parts of hydroxyethyl cellulose solution, 2 parts of nano calcium carbonate, 5 parts of epoxidized soybean oil, 3 parts of polydiethylsiloxane, 4 parts of polylactide fiber filaments and 18 parts of emulsifier; wherein the granularity of the basalt powder is 0.166mm, and the granularity of the quartz powder is less than 0.150 mm.
The preventive maintenance material for the asphalt pavement comprises the following steps:
s1: shearing the modified acrylic resin, the fly ash and the aqueous carbon black color paste at a high speed of 102 ℃ for 40 minutes to form a base material A;
s2: uniformly mixing basalt powder, quartz powder, hydroxyethyl cellulose solution, nano calcium carbonate, epoxidized soybean oil, polydiethylsiloxane and polylactide fiber to obtain B base material solution;
s3: adding an emulsifier into the base stock solution B, uniformly dispersing, adjusting the pH value of the base stock solution B to be equal to 3, then pouring into a stirring tank, starting the stirring tank, adding the matrix asphalt for emulsification, controlling the stirring speed of the stirring tank at 450r/min, and stirring at normal temperature for 7 minutes to obtain an emulsion;
s4: transferring the emulsion into a high-speed shearing instrument, adding the base material A, rotating at a low speed for 22 minutes, and subpackaging by containers to obtain the curing material.
During construction, firstly cleaning and maintaining the asphalt pavement, and then mixing the maintenance material and the curing agent according to the mass ratio of 98: 3, and uniformly spraying or blade-coating the mixture on the asphalt pavement to be used as the preventive maintenance material of the asphalt pavement.
Example 3
The invention relates to a preventive maintenance material for asphalt pavements and a preparation method thereof, wherein the preventive maintenance material comprises the following components: comprises the following components: 60 parts of matrix asphalt, 40 parts of modified acrylic resin, 8 parts of fly ash, 3 parts of water-based carbon black color paste, 1 part of basalt powder, 0.6 part of quartz powder, 25 parts of hydroxyethyl cellulose solution, 7 parts of nano calcium carbonate, 7 parts of epoxidized soybean oil, 7 parts of polydiethylsiloxane, 5 parts of polydiethylsiloxane, 7 parts of polylactide fiber filaments and 22 parts of emulsifier; the granularity of the basalt powder is 0.195mm, and the granularity of the quartz powder is less than 0.150 mm.
The preventive maintenance material for the asphalt pavement comprises the following steps:
s1: shearing the modified acrylic resin, the fly ash and the aqueous carbon black color paste at a high speed of 102 ℃ for 40 minutes to form a base material A;
s2: uniformly mixing basalt powder, quartz powder, hydroxyethyl cellulose solution, nano calcium carbonate, epoxidized soybean oil, polydiethylsiloxane and polylactide cellosilk to obtain B base material solution;
s3: adding an emulsifier into the base stock solution B, uniformly dispersing, adjusting the pH value of the base stock solution B to be equal to 3, then pouring into a stirring tank, starting the stirring tank, adding the base asphalt for emulsification, controlling the stirring speed of the stirring tank at 600r/min, and stirring at normal temperature for 10 minutes to obtain an emulsion;
s4: transferring the emulsion into a high-speed shearing instrument, adding the base material A, rotating at a low speed for 30 minutes, and subpackaging by containers to obtain the curing material.
During construction, firstly cleaning and maintaining the asphalt pavement, and then mixing the maintenance material and the curing agent according to the mass ratio of 100: 5, and uniformly spraying or blade-coating the mixture on the asphalt pavement to be used as the preventive maintenance material of the asphalt pavement.
Example 4
The embodiment also comprises 1-2 parts of component additives, wherein the additives are one or a combination of a self-leveling agent and a water reducing agent. The self-leveling agent can improve the permeability of the coating liquid, reduce the possibility of generating spots and scars during brushing, increase the coverage and ensure uniform and natural film formation; the polarity of hydrophilic groups in the water reducing agent is very strong, so that the water reducing agent adsorption film on the surface of cement particles can form a stable solvated water film with water molecules, the water film has a good lubricating effect, and can effectively reduce the sliding resistance among the cement particles, so that the fluidity of the asphalt pavement preventive maintenance material is further improved.
Example 5
The performances of the preventive maintenance materials for asphalt pavement according to the above examples 1 to 3 were measured to obtain the following results:
in conclusion, the invention has the following beneficial effects:
1. the invention has better dispersibility and thixotropy, can be constructed at room temperature, does not need hot mixing treatment, has good anti-permeability, prevents surface water from permeating into a base layer, and realizes limited sliding of an asphalt pavement;
2. according to the invention, epoxidized soybean oil and polydiethylsiloxane are added to improve the flowing property of the maintenance material, and the polydiethylsiloxane can enable the asphalt pavement material to form a hydrophobic layer, so that the hydrophobic effect is achieved, and the interfacial adhesion of a water phase is reduced;
3. the polylactide fiber added in the invention has the function of healing fine cracks, and can permeate into fine cracks of the asphalt pavement to prevent water seepage and expansion, thereby achieving the purpose of sealing the cracks and preventing water.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the present specification and directly/indirectly applied to other related technical fields within the spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The preventive maintenance material for the asphalt pavement is characterized by comprising the following components: 40-60 parts of matrix asphalt, 30-40 parts of modified acrylic resin, 5-8 parts of fly ash, 1-3 parts of water-based carbon black color paste, 0.5-1 part of basalt powder, 0.5-1 part of quartz powder, 13-25 parts of hydroxyethyl cellulose solution, 2-7 parts of nano calcium carbonate, 3-7 parts of epoxidized soybean oil, 3-7 parts of polydiethylsiloxane, 2-5 parts of polydiethylsiloxane, 3-7 parts of polylactide fiber filaments and 15-22 parts of emulsifier.
2. The asphalt pavement preventive maintenance material according to claim 1, characterized by comprising the following components: 40 parts of matrix asphalt, 30 parts of modified acrylic resin, 6 parts of fly ash, 2 parts of water-based carbon black color paste, 0.5 part of basalt powder, 1 part of quartz powder, 13 parts of hydroxyethyl cellulose solution, 4 parts of nano calcium carbonate, 3 parts of epoxidized soybean oil, 5 parts of polydiethylsiloxane, 2 parts of polydiethylsiloxane, 3 parts of polylactide fiber filaments and 15 parts of emulsifier.
3. The asphalt pavement preventive maintenance material according to claim 1, characterized by comprising the following components: 50 parts of matrix asphalt, 35 parts of modified acrylic resin, 5 parts of fly ash, 1 part of water-based carbon black color paste, 0.8 part of basalt powder, 0.8 part of quartz powder, 19 parts of hydroxyethyl cellulose solution, 2 parts of nano calcium carbonate, 5 parts of epoxidized soybean oil, 3 parts of polydiethylsiloxane, 4 parts of polylactide fiber filaments and 18 parts of emulsifier.
4. The asphalt pavement preventive maintenance material according to claim 1, characterized by comprising the following components: 60 parts of matrix asphalt, 40 parts of modified acrylic resin, 8 parts of fly ash, 3 parts of water-based carbon black color paste, 1 part of basalt powder, 0.6 part of quartz powder, 25 parts of hydroxyethyl cellulose solution, 7 parts of nano calcium carbonate, 7 parts of epoxidized soybean oil, 7 parts of polydiethylsiloxane, 5 parts of polydiethylsiloxane, 7 parts of polylactide fiber filaments and 22 parts of emulsifier.
5. The asphalt pavement preventive curing material according to any one of claims 1 to 4, characterized in that: the granularity of the basalt powder is within the range of 0.150-0.195mm, and the granularity of the quartz powder is less than 0.150 mm.
6. The asphalt pavement preventive curing material according to any one of claims 1 to 4, characterized in that: the water-based paint also comprises 1-2 parts of component additives, wherein the additives are one or a combination of a self-leveling agent and a water reducing agent.
7. The method for producing a preventive maintenance material for an asphalt pavement as claimed in any one of claims 1 to 4, characterized by comprising the steps of:
s1: shearing the modified acrylic resin, the fly ash and the water-based carbon black color paste at 100-105 ℃ for 40 minutes to form a base material A;
s2: uniformly mixing basalt powder, quartz powder, hydroxyethyl cellulose solution, nano calcium carbonate, epoxidized soybean oil, polydiethylsiloxane and polylactide cellosilk to obtain B base material solution;
s3: adding an emulsifier into the base stock solution B, uniformly dispersing, adjusting the pH value of the base stock solution B to be 1-4, then pouring into a stirring tank, starting the stirring tank, and adding matrix asphalt for emulsification to obtain an emulsion;
s4: transferring the emulsion into a high-speed shearing instrument, adding the base material A, rotating at a low speed for 15-30 minutes, and subpackaging by containers to obtain the curing material.
8. The method for producing a preventive maintenance material for asphalt pavement according to claim 7, characterized in that: and S3, controlling the stirring speed of the stirring tank within the range of 300r/min-600r/min, and stirring for 5-10 minutes at normal temperature to form an emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210550833.XA CN114752225A (en) | 2022-05-20 | 2022-05-20 | Preventive maintenance material for asphalt pavement and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210550833.XA CN114752225A (en) | 2022-05-20 | 2022-05-20 | Preventive maintenance material for asphalt pavement and preparation method thereof |
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| CN114752225A true CN114752225A (en) | 2022-07-15 |
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|---|---|---|---|
| CN202210550833.XA Pending CN114752225A (en) | 2022-05-20 | 2022-05-20 | Preventive maintenance material for asphalt pavement and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106478045A (en) * | 2016-10-12 | 2017-03-08 | 武汉新欣正源技术工程有限公司 | A kind of bituminous paving fine surface punishment conserving material and preparation method thereof |
| CN109912259A (en) * | 2019-03-29 | 2019-06-21 | 重庆鹏方路面工程技术研究院有限公司 | A kind of water-base resin Modified Bitumen Pavement conserving material and preparation method thereof |
| CN110527310A (en) * | 2019-08-19 | 2019-12-03 | 江苏增光复合材料科技有限公司 | A kind of waterproof antiskid asphalt pavement conserving material |
-
2022
- 2022-05-20 CN CN202210550833.XA patent/CN114752225A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106478045A (en) * | 2016-10-12 | 2017-03-08 | 武汉新欣正源技术工程有限公司 | A kind of bituminous paving fine surface punishment conserving material and preparation method thereof |
| CN109912259A (en) * | 2019-03-29 | 2019-06-21 | 重庆鹏方路面工程技术研究院有限公司 | A kind of water-base resin Modified Bitumen Pavement conserving material and preparation method thereof |
| CN110527310A (en) * | 2019-08-19 | 2019-12-03 | 江苏增光复合材料科技有限公司 | A kind of waterproof antiskid asphalt pavement conserving material |
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Application publication date: 20220715 |