CN112010627A - Asphalt material mixing production process for asphalt pavement paving - Google Patents
Asphalt material mixing production process for asphalt pavement paving Download PDFInfo
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- CN112010627A CN112010627A CN202010928091.0A CN202010928091A CN112010627A CN 112010627 A CN112010627 A CN 112010627A CN 202010928091 A CN202010928091 A CN 202010928091A CN 112010627 A CN112010627 A CN 112010627A
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- asphalt
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- material mixing
- epoxy resin
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Classifications
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- 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
- C04B28/34—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 containing cold phosphate binders
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil 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
The invention discloses an asphalt material mixing production process for asphalt pavement, which comprises the following steps: s1: heating 40 parts by weight of asphalt to the temperature of 120-220 ℃, adding 10 parts by weight of reaction type solvent, stirring for 5min at a first stirring speed of 30-60 r/min, and then continuously stirring for 10min at a second stirring speed of 80-140 r/min to obtain a mixed solution; s2: adding 15 parts by weight of rubber into the mixed solution, and dispersing to obtain suspended matters; s3: adding 10 parts by weight of epoxy resin into the suspended matter, and stirring to obtain asphalt liquid; s4: and determining the particle size distribution of the curing agent according to the grading and the type of the selected aggregate, and mixing the aggregate, 1 part of fibers and asphalt liquid to obtain the normal-temperature asphalt mixture. The asphalt material mixing production process for asphalt pavement paving can improve the molding strength and the pavement quality.
Description
Technical Field
The invention belongs to the technical field of asphalt material production, and particularly relates to an asphalt material mixing production process for asphalt pavement paving.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and is soluble in carbon disulfide. Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material. The asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, wherein the coal tar asphalt is a byproduct of coking. Petroleum pitch is the residue of crude oil distillation. Natural bitumen is stored underground, and some forms a mineral layer or is accumulated on the surface of the crust. The asphalt is mainly used in the industries of paint, plastics, rubber and the like and pavement and the like. After general asphalt materials are mixed, the initial strength of the obtained mixture is low, the forming strength is not high, and the pavement quality is influenced.
Disclosure of Invention
The invention aims to provide an asphalt material mixing production process for paving an asphalt pavement, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the asphalt material mixing production process for paving the asphalt pavement comprises the following steps:
s1: heating 40 parts by weight of asphalt to the temperature of 120-220 ℃, adding 10 parts by weight of reaction type solvent, stirring for 5min at a first stirring speed of 30-60 r/min, and then continuously stirring for 10min at a second stirring speed of 80-140 r/min to obtain a mixed solution;
s2: adding 15 parts by weight of rubber into the mixed solution, and dispersing to obtain suspended matters;
s3: adding 10 parts by weight of epoxy resin into the suspended matter, and stirring to obtain asphalt liquid;
s4: determining the particle size distribution of a curing agent according to the grading and the type of the selected aggregate, and mixing the aggregate, 1 part of fibers and asphalt liquid to obtain a normal-temperature asphalt mixture;
the curing agent comprises 10 parts by weight of mineral powder and 5 parts by weight of cement, the reactive solvent contains 5 parts by weight of unsaturated fatty acid, 5 parts by weight of surfactant, 2 parts by weight of accelerator and 10 parts by weight of cross-linking agent, the cross-linking agent comprises one or more of sulfonated lignin, methylated lignin, esterified lignin, acylated wood, lignin and alkylated lignin, and the rubber is at least one of liquid polybutadiene rubber, liquid styrene-butadiene rubber and liquid nitrile-butadiene rubber.
Preferably, the asphalt is 90# or 70# road petroleum asphalt.
Preferably, the mineral powder is obtained by grinding limestone, the passing rate of a 0.075mm square-hole sieve is more than or equal to 75%, and the hydrophilic coefficient is less than 1.
Preferably, the cement is at least one of cement with silicate cement, aluminate cement, sulphoaluminate cement, ferro-aluminate cement, fluoroaluminate cement, phosphate cement and volcanic ash as main components.
Preferably, the reaction type solvent contains 20 parts by weight of ricinoleic acid, 8 parts by weight of sodium dodecylaminopropionate, 4 parts by weight of low molecular polyamide and 25 parts by weight of calcium lignosulfonate.
Preferably, the epoxy resin is at least one of a bisphenol a type waterborne epoxy resin, a bisphenol F type waterborne epoxy resin, a polyphenol type glycidyl ether waterborne epoxy resin, an aliphatic glycidyl ether waterborne epoxy resin, a glycidyl ester type waterborne epoxy resin, and a glycidyl amine type waterborne epoxy resin.
Preferably, the aggregate is at least one of igneous rock, sedimentary rock and metamorphic rock.
Preferably, the igneous rock is at least one of granite, amphibole, gabbros, diabase and basalt; the sedimentary rock is at least one of limestone, sandstone, shale and conglomerate, and the metamorphic rock is at least one of marble rock, slate, schist, gneiss and quartzite.
Preferably, the fibers are one or more of polypropylene fibers, polyester fibers or lignin fibers.
The invention has the technical effects and advantages that: according to the asphalt material mixing production process for paving the asphalt pavement, the curing agent is an inorganic non-metal powder material with volcanic ash activity as a main component, the curing agent has a modification effect in the asphalt and also can play a role of a filler, the curing agent can improve the strength of the asphalt, and certain improvement effects are provided for the high-temperature performance, the low-temperature performance and the water stability of the asphalt; the fluidity of the asphalt liquid at normal temperature can be realized in the preparation process of the reactive asphalt mixture, so that the obtained mixture can be used for paving and repairing roads at normal temperature; different from the conventional normal-temperature asphalt material, the reactive asphalt mixture obtained by the production process has excellent initial strength and strength development speed, and other properties meet the performance standard of hot-mix asphalt mixtures, so that the reactive asphalt mixture is particularly suitable for quickly maintaining road surfaces and newly-built road surfaces at normal temperature.
Detailed Description
The technical solutions in the present disclosure will be clearly and completely described below with reference to the present disclosure, and it is obvious that the described contents are only a part of the present disclosure, and not all of the present disclosure. All other matters which can be obtained by a person skilled in the art without making creative efforts based on the contents of the present invention belong to the protection scope of the present invention.
The invention provides an asphalt material mixing production process for asphalt pavement, which comprises the following steps:
s1: heating 40 parts by weight of asphalt to the temperature of 120-220 ℃, adding 10 parts by weight of reaction type solvent, stirring for 5min at a first stirring speed of 30-60 r/min, and then continuously stirring for 10min at a second stirring speed of 80-140 r/min to obtain a mixed solution;
s2: adding 15 parts by weight of rubber into the mixed solution, and dispersing to obtain suspended matters;
s3: adding 10 parts by weight of epoxy resin into the suspended matter, and stirring to obtain asphalt liquid;
s4: determining the particle size distribution of a curing agent according to the grading and the type of the selected aggregate, and mixing the aggregate, 1 part of fibers and asphalt liquid to obtain a normal-temperature asphalt mixture;
the curing agent comprises 10 parts by weight of mineral powder and 5 parts by weight of cement, the reactive solvent contains 5 parts by weight of unsaturated fatty acid, 5 parts by weight of surfactant, 2 parts by weight of accelerator and 10 parts by weight of cross-linking agent, the cross-linking agent comprises one or more of sulfonated lignin, methylated lignin, esterified lignin, acylated wood, lignin and alkylated lignin, and the rubber is at least one of liquid polybutadiene rubber, liquid styrene-butadiene rubber and liquid nitrile-butadiene rubber.
Specifically, the asphalt is 90# or 70# road petroleum asphalt.
Specifically, the mineral powder is obtained by grinding limestone, the passing rate of a 0.075mm square-hole sieve is more than or equal to 75%, and the hydrophilic coefficient is less than 1.
Specifically, the cement is at least one of cement taking silicate cement, aluminate cement, sulphoaluminate cement, ferro-aluminate cement, fluoroaluminate cement, phosphate cement and volcanic ash as main components.
Specifically, the reaction type solvent contains 20 parts by weight of ricinoleic acid, 8 parts by weight of sodium dodecyl aminopropionate, 4 parts by weight of low molecular polyamide and 25 parts by weight of calcium lignosulfonate.
Specifically, the epoxy resin is at least one of bisphenol A type waterborne epoxy resin, bisphenol F type waterborne epoxy resin, polyphenol type glycidyl ether waterborne epoxy resin, aliphatic glycidyl ether waterborne epoxy resin, glycidyl ester type waterborne epoxy resin and glycidyl amine type waterborne epoxy resin.
Specifically, the aggregate is at least one of igneous rock, sedimentary rock and metamorphic rock.
Specifically, the igneous rock is at least one of granite, amphibole, gabbros, diabase and basalt; the sedimentary rock is at least one of limestone, sandstone, shale and conglomerate, and the metamorphic rock is at least one of marble rock, slate, schist, gneiss and quartzite.
Specifically, the fiber is one or more of polypropylene fiber, polyester fiber or lignin fiber.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing description, it will be apparent to one skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (9)
1. The asphalt material mixing production process for asphalt pavement paving is characterized by comprising the following steps of: the method comprises the following steps:
s1: heating 40 parts by weight of asphalt to the temperature of 120-220 ℃, adding 10 parts by weight of reaction type solvent, stirring for 5min at a first stirring speed of 30-60 r/min, and then continuously stirring for 10min at a second stirring speed of 80-140 r/min to obtain a mixed solution;
s2: adding 15 parts by weight of rubber into the mixed solution, and dispersing to obtain suspended matters;
s3: adding 10 parts by weight of epoxy resin into the suspended matter, and stirring to obtain asphalt liquid;
s4: determining the particle size distribution of a curing agent according to the grading and the type of the selected aggregate, and mixing the aggregate, 1 part of fibers and asphalt liquid to obtain a normal-temperature asphalt mixture;
the curing agent comprises 10 parts by weight of mineral powder and 5 parts by weight of cement, the reactive solvent contains 5 parts by weight of unsaturated fatty acid, 5 parts by weight of surfactant, 2 parts by weight of accelerator and 10 parts by weight of cross-linking agent, the cross-linking agent comprises one or more of sulfonated lignin, methylated lignin, esterified lignin, acylated wood, lignin and alkylated lignin, and the rubber is at least one of liquid polybutadiene rubber, liquid styrene-butadiene rubber and liquid nitrile-butadiene rubber.
2. The asphalt material mixing production flow for asphalt pavement according to claim 1, characterized in that: the asphalt is 90# or 70# road petroleum asphalt.
3. The asphalt material mixing production flow for asphalt pavement according to claim 1, characterized in that: the mineral powder is obtained by grinding limestone, the passing rate of a 0.075mm square-hole sieve is more than or equal to 75%, and the hydrophilic coefficient is less than 1.
4. The asphalt material mixing production flow for asphalt pavement according to claim 1, characterized in that: the cement is at least one of cement taking silicate cement, aluminate cement, sulphoaluminate cement, ferro-aluminate cement, fluoroaluminate cement, phosphate cement and volcanic ash as main components.
5. The asphalt material mixing production flow for asphalt pavement according to claim 1, characterized in that: the reaction type solvent contains 20 parts by weight of ricinoleic acid, 8 parts by weight of sodium dodecyl aminopropionate, 4 parts by weight of low molecular polyamide and 25 parts by weight of calcium lignosulfonate.
6. The asphalt material mixing production flow for asphalt pavement according to claim 1, characterized in that: the epoxy resin is at least one of bisphenol A type waterborne epoxy resin, bisphenol F type waterborne epoxy resin, polyphenol type glycidyl ether waterborne epoxy resin, aliphatic glycidyl ether waterborne epoxy resin, glycidyl ester type waterborne epoxy resin and glycidyl amine type waterborne epoxy resin.
7. The asphalt material mixing production flow for asphalt pavement according to claim 1, characterized in that: the aggregate is at least one of igneous rock, sedimentary rock and metamorphic rock.
8. The asphalt material mixing production flow for asphalt pavement according to claim 7, characterized in that: the igneous rock is at least one of granite, amphibole, gabbros, diabase and basalt; the sedimentary rock is at least one of limestone, sandstone, shale and conglomerate, and the metamorphic rock is at least one of marble rock, slate, schist, gneiss and quartzite.
9. The asphalt material mixing production flow for asphalt pavement according to claim 1, characterized in that: the fiber is one or more of polypropylene fiber, polyester fiber or lignin fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928091.0A CN112010627A (en) | 2020-09-07 | 2020-09-07 | Asphalt material mixing production process for asphalt pavement paving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928091.0A CN112010627A (en) | 2020-09-07 | 2020-09-07 | Asphalt material mixing production process for asphalt pavement paving |
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| Publication Number | Publication Date |
|---|---|
| CN112010627A true CN112010627A (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010928091.0A Pending CN112010627A (en) | 2020-09-07 | 2020-09-07 | Asphalt material mixing production process for asphalt pavement paving |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149831A (en) * | 1999-02-18 | 2000-11-21 | Johns Manville International, Inc. | Perlite-based insulation board |
| CN102186930A (en) * | 2008-10-16 | 2011-09-14 | 公路科学有限责任公司 | Fiber modified layer and methods of making and using same |
| CN108726924A (en) * | 2018-07-23 | 2018-11-02 | 湖南鑫长胜材料科技有限公司 | Response type Cold bituminous mixture and preparation method thereof |
| CN109021597A (en) * | 2018-06-25 | 2018-12-18 | 湖州五石科技有限公司 | A kind of emulsified bituminous materials |
| CN110713362A (en) * | 2019-12-12 | 2020-01-21 | 湖南鑫长胜材料科技有限公司 | Normal-temperature asphalt mixture and preparation method thereof |
-
2020
- 2020-09-07 CN CN202010928091.0A patent/CN112010627A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149831A (en) * | 1999-02-18 | 2000-11-21 | Johns Manville International, Inc. | Perlite-based insulation board |
| CN102186930A (en) * | 2008-10-16 | 2011-09-14 | 公路科学有限责任公司 | Fiber modified layer and methods of making and using same |
| CN109021597A (en) * | 2018-06-25 | 2018-12-18 | 湖州五石科技有限公司 | A kind of emulsified bituminous materials |
| CN108726924A (en) * | 2018-07-23 | 2018-11-02 | 湖南鑫长胜材料科技有限公司 | Response type Cold bituminous mixture and preparation method thereof |
| CN110713362A (en) * | 2019-12-12 | 2020-01-21 | 湖南鑫长胜材料科技有限公司 | Normal-temperature asphalt mixture and preparation method thereof |
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Application publication date: 20201201 |