CN109385107A - A kind of pavement patching material and preparation method thereof using road surface old material - Google Patents
A kind of pavement patching material and preparation method thereof using road surface old material Download PDFInfo
- Publication number
- CN109385107A CN109385107A CN201811165569.8A CN201811165569A CN109385107A CN 109385107 A CN109385107 A CN 109385107A CN 201811165569 A CN201811165569 A CN 201811165569A CN 109385107 A CN109385107 A CN 109385107A
- Authority
- CN
- China
- Prior art keywords
- parts
- road surface
- preparation
- old material
- pavement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of pavement patching material and preparation method thereof using road surface old material, the raw material including following parts by weight: 62-78 parts of old material of asphalt pavement, 14.5-17.8 parts of bamboo charcoal fiber, 2.6-3.8 parts of magnesium stearate, 12.8-17.5 parts of pueraria lobata, 28-37 parts of natural rubber powder, 8.5-10.8 parts of glass microsphere powder, 15-19.4 parts of flyash, 10-15.4 parts of coconut oil and 12.5-15.8 parts of acrylic emulsion.The present invention is by using different preparation processes for different raw materials, obtain different products, different products is mixed again, the finished product of preparation is under the synergistic effect of various products, the finished product of preparation has good acid resistance, alkaline resistance properties, compression strength and flexural strength, also there is lower water absorption rate, using effect is good, has good social benefit.
Description
Technical field
The present invention relates to pavement patching field, specifically a kind of pavement patching material using road surface old material.
Background technique
As China's expanding economy and country are for the perfect of infrastructure, more and more highways occur in China.
Highway is the road walked for numerous vehicles such as automobile, bicycle, rickshaw, carriage and pedestrian, and highway is convenient
The trip of people.As highway in China construction speed is constantly speeded, the road area for needing to repair and conserve is also more next
It is more.
Bituminous pavement is a kind of ground surface material being widely used, and asphalt material can resist vehicle, pedestrian's road pavement band
The damage come, makes that road surface is more smooth, durable, waterproof.There is very more applications on the roads such as major urban arterial highway, highway,
When being broken or being damaged occur in bituminous pavement, people can be repaired using pavement patching material, existing pavement patching material
Although road surface can be filled up, such as the patent that notification number is CN 106316219A, acid-alkali-corrosive-resisting performance is poor, acid and alkali corrosion
After will lead to intensity decline, influence the service life on road surface.
Summary of the invention
The purpose of the present invention is to provide a kind of pavement patching materials using road surface old material, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of pavement patching material using road surface old material, the raw material including following parts by weight: 62-78 parts of old material of asphalt pavement,
14.5-17.8 parts of bamboo charcoal fiber, 2.6-3.8 parts of magnesium stearate, 12.8-17.5 parts of pueraria lobata, 28-37 parts of natural rubber powder, glass
8.5-10.8 parts of microballon powder, 15-19.4 parts of flyash, 10-15.4 parts of coconut oil and 12.5-15.8 parts of acrylic emulsion.
As a further solution of the present invention: the partial size of natural rubber powder is 120-150 mesh, and the partial size of glass microsphere powder is
460-520 mesh.
As a further solution of the present invention: glass microsphere powder uses hollow glass micropearl powder.
The preparation method of the pavement patching material using road surface old material, the specific steps are as follows:
Pueraria lobata is cleaned and is freeze-dried 10-15 minutes, be crushed to 50-80 mesh, 3-5 times of pueraria lobata weight is added by step 1
It water and is digested in the environment of 33-45 degrees Celsius and pH value are 5.8-6.6, enzyme deactivation obtains pueraria lobata enzymolysis liquid；
Step 2, by bamboo charcoal fiber, natural rubber powder, glass microsphere powder and pueraria lobata enzymolysis liquid ball milling in the ball mill, so
It is kept for 20-30 seconds in the electric field afterwards, obtains the first mixture；
Magnesium stearate is added in coconut oil and ultrasonic wave is uniformly dispersed, obtains the second mixture by step 3；
Old material of asphalt pavement is heated to 90-105 degrees Celsius by step 4, and flyash, the first mixing is added thereto while stirring
Object and the second mixture, naturally cool to 70-80 degrees Celsius completely after mixing evenly and acrylic emulsion are added thereto, complete
It is stirred evenly entirely to get finished product is arrived.
As a further solution of the present invention: the temperature being freeze-dried in step 1 is subzero 20 to subzero 6 degrees Celsius.
As a further solution of the present invention: electric field strength is 8-15V/m, voltage 30-45V in step 2.
As a further solution of the present invention: the power of ultrasonic wave is 120-155W in step 3, and the frequency of ultrasonic wave is
22-30KHz。
Compared with prior art, the beneficial effects of the present invention are: raw material sources of the present invention are extensive, by by different raw materials
Using different preparation processes, different products is obtained, then different products is mixed, the association of the finished product of preparation in various products
Under same-action, the finished product of preparation has good acid resistance, alkaline resistance properties, compression strength and flexural strength, also has lower
Water absorption rate, using effect is good, have good social benefit.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of pavement patching material using road surface old material, the raw material including following parts by weight: 62 parts of old material of asphalt pavement, bamboo charcoal
14.5 parts of fiber, 2.6 parts of magnesium stearate, 12.8 parts of pueraria lobata, 28 parts of natural rubber powder, 8.5 parts of glass microsphere powder, flyash 15
Part, 10 parts of coconut oil and 12.5 parts of acrylic emulsion.The partial size of natural rubber powder is 130 mesh, and the partial size of glass microsphere powder is 480
Mesh.
The preparation method of the pavement patching material using road surface old material, the specific steps are as follows:
Pueraria lobata is cleaned and is freeze-dried 12 minutes at subzero 15 degrees Celsius, is crushed to 60 mesh, pueraria lobata weight is added by step 1
It 4 times of water and is digested in the environment of 38 degrees Celsius and pH value are 6.2, enzyme deactivation obtains pueraria lobata enzymolysis liquid；
Step 2, by bamboo charcoal fiber, natural rubber powder, glass microsphere powder and pueraria lobata enzymolysis liquid ball milling in the ball mill, so
It is kept for 24 seconds in the electric field afterwards, obtains the first mixture；
Magnesium stearate is added in coconut oil and ultrasonic wave is uniformly dispersed, obtains the second mixture by step 3；
Old material of asphalt pavement is heated to 98 degrees Celsius by step 4, while stirring thereto be added flyash, the first mixture and
Second mixture naturally cools to 76 degrees Celsius completely after mixing evenly and acrylic emulsion is added thereto, stirs completely
Uniformly to get arrive finished product.
Embodiment 2
A kind of pavement patching material using road surface old material, the raw material including following parts by weight: 66.8 parts of old material of asphalt pavement, bamboo
15.3 parts of Carbon fibe, 3.1 parts of magnesium stearate, 14.4 parts of pueraria lobata, 30.5 parts of natural rubber powder, 9.4 parts of glass microsphere powder, flyash
16.5 parts, 12.3 parts of coconut oil and 13.6 parts of acrylic emulsion.Glass microsphere powder uses hollow glass micropearl powder.
The preparation method of the pavement patching material using road surface old material, the specific steps are as follows:
Pueraria lobata is cleaned and is freeze-dried 14 minutes, is crushed to 60 mesh by step 1, be added 4 times of pueraria lobata weight of water and
38 degrees Celsius and pH value digest in the environment of being 6.4, and enzyme deactivation obtains pueraria lobata enzymolysis liquid；
Step 2, by bamboo charcoal fiber, natural rubber powder, hollow glass micropearl powder and pueraria lobata enzymolysis liquid, ball milling is equal in the ball mill
It is even, it is then kept for 28 seconds, electric field strength 13V/m, voltage 42V obtaining the first mixture in the electric field；
Magnesium stearate is added in coconut oil and ultrasonic wave is uniformly dispersed, obtains the second mixture by step 3；
Old material of asphalt pavement is heated to 103 degrees Celsius by step 4, and flyash, the first mixture is added thereto while stirring
With the second mixture, 74 degrees Celsius are naturally cooled to after mixing evenly completely and acrylic emulsion is added thereto, is stirred completely
It mixes uniformly to get to finished product.
Embodiment 3
A kind of pavement patching material using road surface old material, the raw material including following parts by weight: 76.2 parts of old material of asphalt pavement, bamboo
16.6 parts of Carbon fibe, 3.6 parts of magnesium stearate, 15.7 parts of pueraria lobata, 35.5 parts of natural rubber powder, 10.2 parts of glass microsphere powder, fine coal
18.6 parts of ash, 14.8 parts of coconut oil and 15.1 parts of acrylic emulsion.The partial size of natural rubber powder is 150 mesh, glass microsphere powder
Partial size is 500 mesh.Glass microsphere powder uses hollow glass micropearl powder.
The preparation method of the pavement patching material using road surface old material, the specific steps are as follows:
Pueraria lobata is cleaned and is freeze-dried 14 minutes at subzero 15 degrees Celsius, is crushed to 60 mesh, pueraria lobata weight is added by step 1
It 5 times of water and is digested in the environment of 40 degrees Celsius and pH value are 6.5, enzyme deactivation obtains pueraria lobata enzymolysis liquid；
Step 2, by bamboo charcoal fiber, natural rubber powder, hollow glass micropearl powder and pueraria lobata enzymolysis liquid, ball milling is equal in the ball mill
It is even, it is then kept for 25 seconds, electric field strength 14V/m, voltage 39V obtaining the first mixture in the electric field；
Magnesium stearate is added in coconut oil and ultrasonic wave is uniformly dispersed by step 3, and the power of ultrasonic wave is 145W, ultrasonic wave
Frequency be 28KHz, obtain the second mixture；
Old material of asphalt pavement is heated to 96 degrees Celsius by step 4, while stirring thereto be added flyash, the first mixture and
Second mixture naturally cools to 77 degrees Celsius completely after mixing evenly and acrylic emulsion is added thereto, stirs completely
Uniformly to get arrive finished product.
Embodiment 4
A kind of pavement patching material using road surface old material, the raw material including following parts by weight: 78 parts of old material of asphalt pavement, bamboo charcoal
17.8 parts of fiber, 3.8 parts of magnesium stearate, 17.5 parts of pueraria lobata, 37 parts of natural rubber powder, 10.8 parts of glass microsphere powder, flyash
19.4 parts, 15.4 parts of coconut oil and 15.8 parts of acrylic emulsion.Glass microsphere powder uses hollow glass micropearl powder.
The preparation method of the pavement patching material using road surface old material, the specific steps are as follows:
Pueraria lobata is cleaned and is freeze-dried 13 minutes, is crushed to 80 mesh by step 1, be added 4 times of pueraria lobata weight of water and
37 degrees Celsius and pH value digest in the environment of being 6, and enzyme deactivation obtains pueraria lobata enzymolysis liquid；
Step 2, by bamboo charcoal fiber, natural rubber powder, hollow glass micropearl powder and pueraria lobata enzymolysis liquid, ball milling is equal in the ball mill
It is even, it is then kept for 26 seconds in the electric field, obtains the first mixture；
Magnesium stearate is added in coconut oil and ultrasonic wave is uniformly dispersed by step 3, and the power of ultrasonic wave is 140W, ultrasonic wave
Frequency be 26KHz, obtain the second mixture；
Old material of asphalt pavement is heated to 105 degrees Celsius by step 4, and flyash, the first mixture is added thereto while stirring
With the second mixture, 70 degrees Celsius are naturally cooled to after mixing evenly completely and acrylic emulsion is added thereto, is stirred completely
It mixes uniformly to get to finished product.
Comparative example 1
Except not having pueraria lobata, remaining raw material and preparation method are same as Example 3.
Comparative example 2
Use notification number for the product of CN 106316219A as a comparison case 2.
The product of the product of embodiment 1-4 and comparative example 1-2 is tested for the property, test result is shown in Table 1.Acidproof experiment
For the acetum immersion for being 15% in mass fraction, alkaline-resisting experiment is to soak in the sodium hydroxide solution that mass fraction is 10%
Bubble, water absorption rate are product in 42 degrees Celsius of lower 20 days water suction weight percent.
Table 1
| Acidproof experiment | Alkaline-resisting experiment | Compression strength | Flexural strength | Water absorption rate | |
| Embodiment 1 | 38 hours unchanged | 36 hours unchanged | 36.7 MPa | 9.2 MPa | 0.035% |
| Embodiment 2 | 35 hours unchanged | 30 hours unchanged | 34.3 MPa | 8.7 MPa | 0.026% |
| Embodiment 3 | 42 hours unchanged | 37 hours unchanged | 38.6MPa | 9.6 MPa | 0.018% |
| Embodiment 4 | 40 hours unchanged | 33 hours unchanged | 33.5 MPa | 8.4 MPa | 0.023% |
| Comparative example 1 | 23 hours unchanged | 16 hours unchanged | 29.4 MPa | 7.4 MPa | 0.061% |
| Comparative example 2 | 21 hours unchanged | 18 hours unchanged | 27.5 MPa | 7.8 MPa | 0.084% |
From table 1 it follows that the product of embodiment 1-4 is equal on acid resistance, alkaline resistance properties, compression strength and flexural strength
Better than the product of comparative example 1-2, the product of embodiment 1-4, well below the product of comparative example 1-2, shows this hair on water absorption rate
Bright product can satisfy the use demand of people.
Old material of asphalt pavement is recycled in the present invention, old material of asphalt pavement is avoided to occupy a large amount of soils and pollution ring
Border, pueraria lobata are digested to obtain pueraria lobata enzymolysis liquid, then using pueraria lobata enzymolysis liquid and part material progress ball milling and in electric field
Middle modification obtains the first mixture, and magnesium stearate ultrasonic disperse is obtained the second mixture in coconut oil, and bituminous pavement is old
Material, the first mixture, the second mixture etc. are uniformly mixed, and the finished product of preparation has good acid resistance, alkaline resistance properties, resistance to compression
Intensity and flexural strength also have lower water absorption rate, can satisfy the use demand of people.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of pavement patching material using road surface old material, which is characterized in that the raw material including following parts by weight: bituminous pavement
62-78 parts of old material, 14.5-17.8 parts of bamboo charcoal fiber, 2.6-3.8 parts of magnesium stearate, 12.8-17.5 parts of pueraria lobata, natural rubber powder
28-37 parts, 8.5-10.8 parts of glass microsphere powder, 15-19.4 parts of flyash, 10-15.4 parts of coconut oil and acrylic emulsion 12.5-
15.8 parts.
2. the pavement patching material according to claim 1 using road surface old material, which is characterized in that the natural rubber powder
Partial size be 120-150 mesh, the partial size of glass microsphere powder is 460-520 mesh.
3. the pavement patching material according to claim 1 or 2 using road surface old material, which is characterized in that the glass is micro-
Pearl powder uses hollow glass micropearl powder.
4. a kind of preparation method of the pavement patching material a method according to any one of claims 1-3 using road surface old material, feature
It is, the specific steps are as follows:
Pueraria lobata is cleaned and is freeze-dried 10-15 minutes, be crushed to 50-80 mesh, 3-5 times of pueraria lobata weight is added by step 1
It water and is digested in the environment of 33-45 degrees Celsius and pH value are 5.8-6.6, enzyme deactivation obtains pueraria lobata enzymolysis liquid；
Step 2, by bamboo charcoal fiber, natural rubber powder, glass microsphere powder and pueraria lobata enzymolysis liquid ball milling in the ball mill, so
It is kept for 20-30 seconds in the electric field afterwards, obtains the first mixture；
Magnesium stearate is added in coconut oil and ultrasonic wave is uniformly dispersed, obtains the second mixture by step 3；
Old material of asphalt pavement is heated to 90-105 degrees Celsius by step 4, and flyash, the first mixing is added thereto while stirring
Object and the second mixture, naturally cool to 70-80 degrees Celsius completely after mixing evenly and acrylic emulsion are added thereto, complete
It is stirred evenly entirely to get finished product is arrived.
5. the preparation method of the pavement patching material according to claim 4 using road surface old material, which is characterized in that described
The temperature being freeze-dried in step 1 is subzero 20 to subzero 6 degrees Celsius.
6. the preparation method of the pavement patching material according to claim 4 using road surface old material, which is characterized in that described
Electric field strength is 8-15V/m, voltage 30-45V in step 2.
7. the preparation method of the pavement patching material according to claim 4 using road surface old material, which is characterized in that described
The power of ultrasonic wave is 120-155W in step 3, and the frequency of ultrasonic wave is 22-30KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165569.8A CN109385107A (en) | 2018-10-08 | 2018-10-08 | A kind of pavement patching material and preparation method thereof using road surface old material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165569.8A CN109385107A (en) | 2018-10-08 | 2018-10-08 | A kind of pavement patching material and preparation method thereof using road surface old material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109385107A true CN109385107A (en) | 2019-02-26 |
Family
ID=65419277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811165569.8A Pending CN109385107A (en) | 2018-10-08 | 2018-10-08 | A kind of pavement patching material and preparation method thereof using road surface old material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109385107A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235207A (en) * | 2008-01-17 | 2008-08-06 | 徐培华 | Asphalt pavement crevice embedding sealing material and preparation method thereof |
| CN104446159A (en) * | 2014-11-13 | 2015-03-25 | 长安大学 | Preparation method of bamboo fiber modified asphalt mixture |
| CN106046814A (en) * | 2016-06-30 | 2016-10-26 | 青岛海蓝海洋复合功能材料科技有限公司 | Energy-saving environment-friendly rubber asphalt for highways |
| CN106479201A (en) * | 2016-10-19 | 2017-03-08 | 天津佰思特新材料科技有限公司 | Ultra-thin micro- sealing material of a kind of novel pavement antiskid type and preparation method thereof |
| CN106587733A (en) * | 2016-11-15 | 2017-04-26 | 广东成松科技发展有限公司 | Odorless asphalt base waterproof material |
-
2018
- 2018-10-08 CN CN201811165569.8A patent/CN109385107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235207A (en) * | 2008-01-17 | 2008-08-06 | 徐培华 | Asphalt pavement crevice embedding sealing material and preparation method thereof |
| CN104446159A (en) * | 2014-11-13 | 2015-03-25 | 长安大学 | Preparation method of bamboo fiber modified asphalt mixture |
| CN106046814A (en) * | 2016-06-30 | 2016-10-26 | 青岛海蓝海洋复合功能材料科技有限公司 | Energy-saving environment-friendly rubber asphalt for highways |
| CN106479201A (en) * | 2016-10-19 | 2017-03-08 | 天津佰思特新材料科技有限公司 | Ultra-thin micro- sealing material of a kind of novel pavement antiskid type and preparation method thereof |
| CN106587733A (en) * | 2016-11-15 | 2017-04-26 | 广东成松科技发展有限公司 | Odorless asphalt base waterproof material |
Non-Patent Citations (3)
| Title |
|---|
| 周惠永: "《新材料词典》", 31 December 1996, 上海科学技术文献出版社 * |
| 田燕: "《一味中药治顽疾》", 31 January 2018, 河南科学技术出版社 * |
| 邰连河等: "《新型道路建筑材料》", 31 October 2003, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101899218B (en) | Asphalt warm-mix agent and asphalt mixture mixed by same as well as preparation methods thereof | |
| CN110330800B (en) | Asphalt regenerant and preparation method thereof | |
| CN1208393C (en) | Polymer emulsified and re-cross-linked asphalt colloid mixture and its preparing process | |
| CN103043962A (en) | Mixture for normal-temperature repairing of asphalt pavement pits, and preparation method and application thereof | |
| CN104387780A (en) | High-permeability emulsion for cold regeneration of waste and old asphalt mixture and preparation method thereof | |
| CN105504844A (en) | Environment-friendly asphalt reclaiming agent and preparing method and using method thereof | |
| CN1258330A (en) | Mixture of flexible pavement usable at ordinary temp. | |
| CN103204644B (en) | Warmly bitumen-mixed modifier and preparation method thereof | |
| CN112029306A (en) | Preparation method of epoxy modified emulsified asphalt with shape memory performance | |
| CN109852079B (en) | Novel normal-temperature asphalt modified material and preparation method and application thereof | |
| CN106084829B (en) | A kind of warm mix waste rubber powder modified asphalt mixture and preparation method thereof | |
| CN114920497B (en) | Harmless utilization method of oil shale slag and dry distillation drilling oil scraps | |
| CN112430010A (en) | Desulfurized reclaimed rubber reclaimed asphalt mixture and preparation method thereof | |
| CN113150568A (en) | Modified cold-mixed cold-paved normal-temperature asphalt and preparation method thereof | |
| CN104672928A (en) | Low-viscosity regenerant for thermal regeneration of asphalt pavement, preparation method of low-viscosity regenerant and asphalt pavement thermal-regeneration mixture containing low-viscosity regenerant | |
| CN113698138B (en) | high-RAP-content regeneration mixture and preparation method and application thereof | |
| CN114015246B (en) | Modified asphalt composite particle and preparation thereof, modified asphalt and application thereof | |
| CN107815131A (en) | A kind of heat regeneration asphalt mixture and preparation method thereof | |
| CN114853389A (en) | Preparation method of low-temperature recycled asphalt and mixture | |
| CN112679145B (en) | Normal-temperature asphalt modifier and application method thereof | |
| CN112280323A (en) | Preparation method of asphalt regenerant with large-proportion RAP mixing amount | |
| CN109385107A (en) | A kind of pavement patching material and preparation method thereof using road surface old material | |
| CN110357490B (en) | Water-based polymer binding material, color seal layer mixture and preparation method thereof | |
| CN111732370A (en) | High-performance cold-patch material based on old asphalt pavement milling material and preparation method thereof | |
| CN109265077A (en) | A kind of dense-graded asphalt concrete mixture and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190226 |