CN110734742A - New and old pavement joint treatment material and preparation method and construction method thereof - Google Patents
New and old pavement joint treatment material and preparation method and construction method thereof Download PDFInfo
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- CN110734742A CN110734742A CN201910849668.6A CN201910849668A CN110734742A CN 110734742 A CN110734742 A CN 110734742A CN 201910849668 A CN201910849668 A CN 201910849668A CN 110734742 A CN110734742 A CN 110734742A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping
-
- 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
- E01C7/24—Binder incorporated as an emulsion or solution
-
- 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
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
Abstract
The invention discloses materials for treating splicing seams of old and new asphalt surface layers, a preparation method and a construction method thereof, belongs to the field of highway extension engineering, and aims to provide materials for treating splicing seams of old and new asphalt surface layers with good durability.
Description
Technical Field
The invention relates to the technical field of road engineering construction, in particular to new and old pavement joint treatment materials and a preparation method and a construction method thereof.
Background
The asphalt surface layer of the expressway directly bears the repeated action of vehicle load and the long-term action of various atmospheric natural factors, and the pavement must provide safe, comfortable, stable and durable service for traffic vehicles. The quality of the treatment of the splicing seams of the new asphalt surface layer and the old asphalt surface layer in the highway extension project is directly related to the service life of the pavement in the extension project. Because the paving time of the new and old pavements is greatly different, the abutted seams of the new and old surface layers are formed in the road extension project, the integral strength of the surface layers is weakened by the abutted seams, stress concentration is possibly caused, the pavement structure is damaged, and the service performance of the whole pavement is influenced; the existence of the abutted seams also enables rainwater to possibly permeate into the base layer and even the embankment, so that water damage of the road is caused, the service life of the road is shortened, great hidden dangers are brought to driving safety, the service level of the road is reduced, and the maintenance cost is increased. Therefore, the splicing quality of the surface layer joint seam directly affects the service performance of the road surface after the extension is finished, and the splicing quality of the surface layer joint seam must be improved.
At present, two modes of emulsified asphalt and hot asphalt are mainly adopted for treating asphalt surface layer splicing seams in conventional highway extension projects, the emulsified asphalt is liquid and has thin consistency, -fixed thickness is difficult to guarantee on the whole splicing seam interface after the splicing seams are coated, so the splicing seams have poor bonding integrity, cores are taken after the emulsified asphalt is adopted as splicing seams of new and old asphalt surface layers in the existing extension projects, complete core samples are difficult to take out, and basically cracks at the splicing positions of the new and old surface layers, while the mode of coating the hot asphalt is adopted, the asphalt is generally required to be heated to 140-160 ℃, the construction is complex, the temperature is difficult to control, and the durability of the splicing positions of the new and old asphalt surface layers is influenced.
Disclosure of Invention
The invention aims to provide new and old pavement joint treatment materials, a preparation method and a construction method thereof, which have better low-temperature crack resistance, thereby ensuring the durability of expandedported highways.
The technical purpose of the invention is realized by the following technical scheme:
New and old pavement seam treatment materials comprise, by mass, 60-70 parts of modified asphalt, 0.005-0.01 part of emulsifier, 2-10 parts of modifier, 0.005-0.015 part of stabilizer, 2-5 parts of thickener and 30-50 parts of water, wherein the emulsifier, the modifier, the stabilizer, the thickener and the water are uniformly mixed to form soap solution, the emulsifier is a fast-cracking cationic emulsifier, and the modifier is multi-chain polyolefin latex.
, the fast-cracking cationic emulsifier is any or a mixture of two of alkyl hydroxyl amido polyamine or cetyl trimethyl ammonium bromide, and the alkyl hydroxyl amido polyamine or the cetyl trimethyl ammonium bromide is used as the emulsifier, so that the joint treatment material is rapidly demulsified, the maintenance time of the joint treatment material is effectively shortened, and the construction efficiency is improved.
, the modified asphalt is any or the mixture of two of SBS modified asphalt, SBR modified asphalt or rubber modified asphalt.
, the thickening agent is any or two mixtures of carboxymethyl cellulose ether, polyvinyl alcohol, methyl cellulose, polyacrylate or alcohol.
the stabilizer is nanometer shell powderThe thickening agent is used in combination with kinds of calcium chloride or sodium chloride or the mixture of the calcium chloride and the sodium chloride, and the nano shell powder and the thickening agent are compounded for use and can pass through CaCO in the nano shell powder3The low-shear viscosity after being mixed with the thickening agent reaches balance points, so that the splicing seam treatment material is in a paste state in a standing state and in a liquid flowing state in a stirring state, and is convenient to store, transport and construct.
And , the particle size of the nanometer shell powder is 8-75 mm.
, the multi-chain polyolefin latex is low-melting point polyethylene wax, the conventional emulsified asphalt is coated in the conventional extension project, the bonding effect of the emulsified asphalt is poor, and the durability of the splicing part of the old and new asphalt surface layers is insufficient.
, the preparation method of new and old pavement joint treatment materials comprises the following operation steps:
s1, preparing modified asphalt: heating 50# asphalt to 150-170 ℃, adding an asphalt modifier, shearing at a high speed for 2-5 min to obtain modified asphalt, and putting the modified asphalt into an oven to keep the temperature at 160-170 ℃;
s2, preparing soap solution: heating water to 60-70 ℃, adding an emulsifier, a modifier, a stabilizer and a thickening agent, uniformly stirring, and keeping the temperature at 60 ℃;
and S3, pouring the prepared soap solution into a colloid mill, stirring for 30S to enable the soap solution to wet the colloid mill, then pouring the hot asphalt into the colloid mill, and continuing to shear for 30-60S.
Further , in S3, the hot asphalt is poured over within 1 minute.
, the construction method of new and old pavement joint treatment materials comprises the following operation steps:
a1, milling the old asphalt pavement to form a milling interface, manually cleaning the milling interface, and ensuring that the milling interface has no dust;
a2, adopting an electric mixer to treat the joint seamUniformly stirring to form a flowing state, and then coating the treatment material on the splicing seam along the milling interface, wherein the coating dosage is 2-4 kg/m2;
And A3, after 24-48 h, spreading a new asphalt surface layer after the water in the materials for the joint seam treatment is evaporated, wherein the materials for the joint seam treatment are softened at a high temperature because the spreading temperature of the asphalt mixture is higher than 130 ℃, so that the new and old asphalt surface layers are bonded.
In conclusion, the invention has the following beneficial effects:
1. the material for treating the splicing seam is prepared by adopting the modified asphalt, so that the material has better low-temperature crack resistance;
2. by adding the multi-chain polyolefin latex and the water-based epoxy latex, the bonding property and the softening point of the material are improved, so that the bonding capacity is improved, and the material for treating the splicing seams can be well bonded with the old asphalt pavement and the new asphalt pavement;
3., adding nano shell powder to be matched with a thickening agent for use, so as to improve the consistency of the material for treating the splicing seam, so that the material for treating the splicing seam is in a paste state when standing still, is convenient to store and transport, is stirred during construction, is in a liquid flowing state after being stirred, has good fluidity, is convenient to brush, is static after being brushed, immediately becomes a paste to be bonded on a milling interface, is suitable for shaping, ensures the brushing amount of the material on a vertical surface milled by an old asphalt pavement, saves the material, and can advance steps to fill gaps of the splicing interface of a new asphalt pavement and an old asphalt pavement, thereby effectively improving the bonding effect of the splicing interface and ensuring the integrity of a road after being expanded.
Detailed Description
To further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the embodiments, features and effects of the normal temperature health steel bridge deck pavement structure and the construction method thereof according to the present invention will be described in detail below.
In the following examples:
SBS modifier: duty company of the Balng petrochemical industry
SBR modifier: shandong Qiaolong environmental protection science and technology Co Ltd
Rubber modifier: changzhou city Lehua Hua trade Co Ltd
50# asphalt: jiangsu Zhongyitong New Material science and technology development Co Ltd
Low-melting polyethylene wax: honeywell Integrated science and technology (China) Inc
Nano shell powder: lingshou county Weiqi mineral product processing factory
Calcium chloride and sodium chloride: gallery Asia Tai Long Xinghong chemical Co Ltd
Carboxymethyl cellulose ether: ralshoke chemical Co Ltd of Ningu City
Polyvinyl alcohol: shanghai Kaidi Industrial development Co., Ltd
Methyl cellulose: ralshoke chemical Co Ltd of Ningu City
Alkyl hydroxy amido polyamines: maidweishi Vickers (China) investment Co., Ltd
Cetyl trimethylammonium bromide: maidweishi Vickers (China) investment Co., Ltd
The water is selected from tap water
Example 1 New and old pavement joint treatment material and preparation method and construction method thereof
The composition comprises the following components in parts by weight: 60 parts of SBS modified asphalt, 0.005 part of alkyl hydroxyl amido polyamine, 2 parts of low-melting point polyethylene wax, 0.005 part of calcium chloride, 2 parts of carboxymethyl cellulose ether and 36 parts of water.
The preparation method comprises the following steps:
1. preparing modified asphalt: heating 50#Adding an SBS modifier into the asphalt to 150-170 ℃, shearing at a high speed for 2-5 min to obtain modified asphalt, and placing the modified asphalt into an oven to keep the temperature at 160-170 ℃;
2. preparing a soap solution: heating water to 60-70 ℃, adding an emulsifier, a modifier, a stabilizer and a thickening agent, uniformly stirring, and keeping the temperature at 60 ℃;
3. pouring the prepared soap solution into a colloid mill, stirring for 30s to fully wet the soap solution, slowly and uniformly pouring the hot asphalt into the colloid mill, completely pouring within 1min, and continuously shearing for 30-60 s to obtain the material for treating the splicing seam.
The construction method comprises the following steps:
a1, milling the old asphalt pavement to form a milling interface, manually cleaning the milling interface, and ensuring that the milling interface has no dust;
a2, uniformly stirring the materials for the treatment of the splicing seams by using an electric stirrer to form a flowing state, and then coating the materials for the treatment of the splicing seams along the milling interface, wherein the coating amount is 2-4 kg/m2;
And A3, after 24-48 h, spreading a new asphalt surface layer after the water in the materials for the joint seam treatment is evaporated, wherein the materials for the joint seam treatment are softened at a high temperature because the spreading temperature of the asphalt mixture is higher than 130 ℃, so that the new and old asphalt surface layers are bonded.
The results of the performance tests of the material for the splice joint treatment in example 1 are shown in tables 1 and 2.
Table 1 results of performance test of materials for treatment of spliced seams in example 1
TABLE 2 splitting test results in the cross-joint coring chamber for splicing parts of new and old pavements
According to related detection data, the bonding performance and the softening point of the material are improved based on the splicing seam treatment material provided by the invention, so that the splicing seam treatment material can be well bonded with new and old asphalt pavements, the bonding effect of a splicing interface is effectively improved, and the integrity of a road after expansion is ensured.
Example 2 treatment material for joints of old and new pavements , and preparation method and construction method thereof
The difference from the embodiment 1 is that the new and old pavement joint treatment material comprises the following components: 580 parts of SBR modified asphalt, 0.01 part of alkyl hydroxyl amido polyamine, 10 parts of low-melting polyethylene wax, 0.015 part of sodium chloride, 5 parts of polyvinyl alcohol and 32 parts of water;
the preparation method comprises the following steps: in contrast to example 1, an SBR modifier was used in the preparation of the modified asphalt.
The construction method was the same as in example 1.
The results of the performance tests of the material for the splice joint treatment in example 2 are shown in tables 3 and 4.
Table 3 results of performance test of materials for treatment of spliced seams in example 2
TABLE 4 splitting test results in the cross-joint coring chamber for splicing parts of new and old pavements
According to related detection data, the splicing seam treatment material is prepared by adopting the modified asphalt based on the splicing seam treatment material provided by the invention, so that the material has better low-temperature crack resistance, and the integrity of the road after expansion is ensured.
Example 3. New and old pavement joint treatment material, preparation method and construction method thereof
The difference from the embodiment 1 is that the new and old pavement joint treatment material comprises the following components: 55 parts of rubber modified asphalt, 0.01 part of hexadecyl trimethyl ammonium bromide, 10 parts of low-melting-point polyethylene wax, 0.005 part of sodium chloride, 0.01 part of nano shell powder, 5 parts of methyl cellulose and 35 parts of water;
the preparation method comprises the following steps: different from the embodiment 1, when preparing the modified asphalt, the rubber powder modifier is adopted; the stabilizer is a mixture of sodium chloride and nano shell powder.
The construction method comprises the following steps: the same as in example 1.
The results of the performance tests of the material for the splice joint treatment in example 3 are shown in tables 5 and 6.
TABLE 5 test results of the Properties of the materials for treating the spliced seams in example 3
TABLE 6 splitting test results in the cross-joint coring chamber for splicing parts of new and old pavements
According to related detection data, the material for treating the splicing seam is prepared by adopting modified asphalt based on the material for treating the splicing seam provided by the invention, so that the material has better low-temperature crack resistance, the integrity of the road after expansion is ensured, steps of adding the nano shell powder are further carried out, the consistency of the material for treating the splicing seam is improved, the material for treating the splicing seam is in a paste state in a standing state and in a liquid flowing state in a stirring state, the material is convenient to store, transport and construct, the paste is adhered to a milling interface after being coated, the coating amount of the material on a vertical surface milled by an old asphalt pavement is ensured, steps of filling the gap of the splicing interface of a new asphalt pavement and an old asphalt pavement are further carried out, the adhesion effect of the splicing interface is effectively improved, and the integrity of the road after expansion is ensured.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
- The material for treating the joints of the old and new pavements is characterized by comprising, by mass, 50-70 parts of modified asphalt, 0.005-0.01 part of an emulsifier, 2-10 parts of a modifier, 0.005-0.015 part of a stabilizer, 2-5 parts of a thickener and 30-50 parts of water, wherein the emulsifier, the modifier, the stabilizer, the thickener and the water are uniformly mixed to form a soap solution, the emulsifier is a fast-cracking cationic emulsifier, and the modifier is a multi-chain polyolefin latex.
- 2. The kinds of new and old pavement joint treatment materials of claim 1, wherein the modified asphalt is any or a mixture of two of SBS modified asphalt, SBR modified asphalt or rubber modified asphalt.
- 3. The kinds of old and new pavement seam treatment materials of claim 1, wherein the stabilizer is either calcium chloride or sodium chloride or a mixture of both.
- 4. The old and new pavement seam treatment material of claim 1, wherein the thickening agent is any or two mixtures of carboxymethyl cellulose ether, polyvinyl alcohol, methyl cellulose, polyacrylate or alcohol.
- 5. The new and old pavement joint treatment material of claim 3, wherein the stabilizer further comprises nano shell powder used in combination with the thickener.
- 6. The kinds of new and old pavement joint treatment material of claim 5, wherein the particle size of the nano shell powder is 8-75 mm.
- 7. The kind old and new pavement joint treatment material of claim 1, wherein the multi-chain polyolefin is a low melting point polyethylene wax.
- 8, A preparation method of new and old pavement joint treatment material, which is characterized by comprising the following steps:s1, preparing modified asphalt: heating 50# asphalt to 150-170 ℃, adding an asphalt modifier, shearing at a high speed for 2-5 min to obtain modified asphalt, and putting the modified asphalt into an oven to keep the temperature at 160-170 ℃;s2, preparing soap solution: heating water to 60-70 ℃, adding an emulsifier, a modifier, a stabilizer and a thickening agent, uniformly stirring, and keeping the temperature at 60 ℃;and S3, pouring the prepared soap solution into a colloid mill, stirring for 30S to enable the soap solution to wet the colloid mill, then pouring the hot asphalt into the colloid mill, and continuing to shear for 30-60S.
- 9. The method of preparing new and old pavement joint treatment materials according to claim 8, wherein in the step S3, hot asphalt is poured in 1 minute.
- 10, A construction method of new and old road surface joint treatment material, which is characterized in that the method comprises the following steps:a1, milling the old asphalt pavement to form a milling interface, manually cleaning the milling interface, and ensuring that the milling interface has no dust;a2, uniformly stirring the material for the joint seam treatment by using an electric stirrer to form a flowing state, and then coating the material for the joint seam treatment along the milling interface, wherein the coating amount is 2-4 kg/m2;And A3, after 24-48 h, spreading a new asphalt surface layer after water in the materials for the joint seam treatment is evaporated, wherein the joint seam treatment materials are softened at a high temperature because the spreading temperature of the asphalt mixture is higher than 130 ℃, so that the new and old asphalt surface layers are bonded.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112624699A (en) * | 2020-12-23 | 2021-04-09 | 山东省交通科学研究院 | Cold-state splicing adhesive for new and old water-stabilized base layer of road |
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CN102863804A (en) * | 2011-07-04 | 2013-01-09 | 中国石油化工股份有限公司 | SBS polymer modified emulsified asphalt and preparation method |
CN103113751A (en) * | 2013-02-26 | 2013-05-22 | 长安大学 | Cation-modified emulsified asphalt for bonding layer and preparation method of cation-modified emulsified asphalt |
WO2015126252A1 (en) * | 2014-02-21 | 2015-08-27 | Koninklijke Bam Groep N.V. | Asphalt composition and process for preparing such a composition |
CN106830767A (en) * | 2017-02-17 | 2017-06-13 | 武汉理工大学 | A kind of bituminous paving check crack punishment regeneration sealing material and preparation method thereof |
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2019
- 2019-09-09 CN CN201910849668.6A patent/CN110734742A/en active Pending
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US6136899A (en) * | 1999-09-14 | 2000-10-24 | The Goodyear Tire & Rubber Company | SBR for asphalt cement modification |
WO2009128827A1 (en) * | 2008-04-17 | 2009-10-22 | Kraton Polymers Us Llc | A block copolymer and polymer modified bituminous binder compositon for use in base course asphalt paving application |
CN102863804A (en) * | 2011-07-04 | 2013-01-09 | 中国石油化工股份有限公司 | SBS polymer modified emulsified asphalt and preparation method |
CN103113751A (en) * | 2013-02-26 | 2013-05-22 | 长安大学 | Cation-modified emulsified asphalt for bonding layer and preparation method of cation-modified emulsified asphalt |
WO2015126252A1 (en) * | 2014-02-21 | 2015-08-27 | Koninklijke Bam Groep N.V. | Asphalt composition and process for preparing such a composition |
CN106830767A (en) * | 2017-02-17 | 2017-06-13 | 武汉理工大学 | A kind of bituminous paving check crack punishment regeneration sealing material and preparation method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112624699A (en) * | 2020-12-23 | 2021-04-09 | 山东省交通科学研究院 | Cold-state splicing adhesive for new and old water-stabilized base layer of road |
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