CN105645882A - Composite binder for repairing of pits in asphalt pavement and preparation method of composite binder - Google Patents
Composite binder for repairing of pits in asphalt pavement and preparation method of composite binder Download PDFInfo
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- CN105645882A CN105645882A CN201610108589.6A CN201610108589A CN105645882A CN 105645882 A CN105645882 A CN 105645882A CN 201610108589 A CN201610108589 A CN 201610108589A CN 105645882 A CN105645882 A CN 105645882A
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- repairing
- asphalt pavement
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a composite binder for repairing of pits in an asphalt pavement and a preparation method of the composite binder. The composite binder comprises 100 parts of SBS (styrene-butadiene-styrene) modified emulsified asphalt, 10-22.2 parts of water-borne epoxy resin, 5-11.1 parts of a water-borne curing agent, 41.7-62.5 parts of cement and 0.5-2 parts of a tackifier. The method comprises steps as follows: the water-borne epoxy resin and the water-borne curing agent are uniformly mixed in a certain proportion, and the SBS modified emulsified asphalt in a certain proportion is mixed in the formed mixture; an obtained waterborne epoxy emulsified asphalt mixed solution is sheared at a high speed for certain time, cement and a coupling water solution in a certain proportion are added, the mixture is continuously stirred for certain time, and the anti-shear, anti-drawing, anti-fatigue and durable composite binding material for repairing of the pits in the asphalt pavement can be obtained. The prepared CWEA type composite binder has higher anti-shear and anti-drawing performance at low temperature, also has excellent anti-shear, anti-fatigue and durable characteristics at high temperature and is an organic and inorganic composite which has good processability and can be used for repairing of pits formed in the asphalt pavement in catastrophes.
Description
Technical field
The present invention relates to bituminous composite modified technical field, specifically a kind of asphalt pavement pit repairing is with anti-shearing, drawing, resisting fatigue, durable combined binding material preparation method.
Background technology
Current arterial highway asphalt pavement pit repairing SBS modified emulsifying asphalt, the binding materials such as SBR modified emulsifying asphalt have processing machinery, producing cost is low, the advantages such as quick open to traffic, the relatively low adhesion coating of desired value or antireflective material layer is still used for reference yet with pit repairing special binding material performance indications, pit interface mechanics index of squeegeeing is caused not reach designing requirement, border bonding failure cracking is occurred as soon as in a short time after often repairing, it is low that the bonding efficiency such as limit are gnawed at the place of squeegeeing, repair the phenomenon of poor durability, for solving this problem, need development badly and squeegee interfacial adhesion rapidly and efficiently, durable firm type binding material, service life is repaired to extending, reach good maintenance effect.
The problem not enough for repairing interface binding intensity, SBS or SBR modified emulsifying asphalt base fluid adds the good aqueous epoxy resins double-component serosity of property compatible, wet environment high with its good heat stability, resistance to chemical attack, intensity also easily occurs the advantages such as curing reaction to be usually used in cement concrete and cement mortar modifiies. Additionally due to the feature that epoxy resin viscosity is high, it typically requires addition acetone, aromatics diluent in application process, so, aqueous epoxy resins is low without organic solvent with it) environmental protection characteristic becomes the development trend of epoxy resin modification cement mortar. More currently for the research of emulsified asphalt shearing resistance composite modification technology is add aqueous epoxy resins and the macromolecular material such as waterborne curing agent or aqueous polyurethane in emulsified asphalt.
CN102618045A (August 1 2012 Shen Qing Publication day) patent relate to a kind of emulsified asphalt modified with water-epoxy resin, self-emulsifying aqueous epoxy component selected by modifying agent, and compound features goes out good adhesion strength, waterproof, resistance to ag(e)ing etc.
The epoxy composite emulsified asphalt of a kind of stable performance being made up of self-emulsification aqueous epoxy resin, matrix pitch, toughener, asphalt modifier, firming agent and diluent disclosed in CN103980721A (August 13 2014 Shen Qing Publication day) patent, after mulser high speed shear, mixing obtains.
A kind of aqueous polyurethane emulsified asphalt containing epoxy resin being made up of AB component disclosed in CN102321372A (February 18 2012 Shen Qing Publication day) patent, modified property indices improves a lot, wherein possess excellent low temperature flexibility, anti-embrittlement and higher adhesion.
The cold renewal agent of a kind of property of water-bearing epoxy compound disclosed in CN104497603A (April 8 2015 Shen Qing Publication day) patent, performance advantage is mainly reflected in good low temperature flexibility and high-temperature stability, early strength is high, pavement performance is excellent and anti-wear performance is better etc., can be directly used for upper layer.
Said method preparation gained composite is for after interfacial adhesion, and high temperature anti-shear stability is poor, when hygrothermal environment in summer, is unfavorable for the lifting of bond effect. therefore by single modified being also not enough to of emulsified asphalt is solved binding material high temperature shearing resistance problem, temperature is more high, single modified mixture performance is based on Colophonium, anti-shearing effect is more low, and cement can be effectively improved its high-temperature anti-shear characteristic, but heterogeneous material is composite modified, its compatibility, homogeneity problem still highlights, owing to density of material is different, the addition of not enough or too much inorganic material cement may result in that bond effect is inconspicuous or material viscoelasticity reduces, plastic stiffness increases, pliability is not good, therefore anti-shearing in high/low temperature, drawing mechanical characteristic, resisting fatigue, seek to reach optimum performance between endurance quality with sprinkling operability to mate.
Summary of the invention
It is an object of the invention to provide a kind of anti-shearing drawing of asphalt pavement pit repairing, resisting fatigue, durable combined binding material, this composite modification material not only has the advantages such as the viscoelasticity of excellence, thermoplasticity, environmental protection, low VOC (VOC), low energy consumption, it is provided simultaneously with good high/low temperature, shear strength, anti-drawing strength, resisting fatigue and durability, is a kind of durability macromolecule organic/inorganic composite material that can be used for asphalt pavement pit Rapid-Repair. Binding material can be used for asphalt pavement pit and squeegees and repair milling bonding, local water-proofing treatment in interfacial adhesion, bituminous paving, prepare waterborne epoxy modified Emulsified Asphalt Mixture, high temperature anti-rutting additive etc.
The present invention and then the preparation method providing a kind of anti-shearing drawing of pit repairing high/low temperature, resisting fatigue durability compoiste adhering material.
To achieve these goals, present invention employs following technical scheme:
A kind of asphalt pavement pit repairing compoiste adhering material, this composite includes the raw material of following mass ratio:
SBS modified emulsifying asphalt 100 parts, waterborne curing agent 5-11.1 part; Aqueous epoxy resins 10-22.2 part, cement 41.7-62.5 part, viscosifier 0.5-2 part.
Further, described cement is the one in portland cement, Portland cement.
Further, described viscosifier are silane coupler.
Further, described silane coupler is the one in 3-aminopropyl trimethoxysilane, 3-aminopropyl triethoxysilane, 3-glycydoxy trimethoxy silane.
Further, described aqueous epoxy resins is EM-618 or EM-601A.
Further, described firming agent is CU-600 or CU-500 aqueous epoxy curing agent.
Correspondingly, the preparation method that the present invention gives a kind of asphalt pavement pit repairing compoiste adhering material, comprise the following steps that:
A. be first 100 parts of SBS modified emulsifying asphalts and 10-22.2 part aqueous epoxy resins complex liquid by mass ratio it is that 5-11.1 part waterborne curing agent ratio according to the rules carries out precise with mass ratio, uses high-speed shearing emulsion machine to prepare the repairing binding material base fluid that adhesion strength is excellent;
B. in mass ratio the repairing binding material base fluid obtained in step A, 41.7-62.5 part cement, 0.5-2 part silane coupler are sufficiently mixed, again enable high-speed shearing emulsion machine high shear agitation, obtain repairing compoiste adhering material.
Further, described use high-speed shearing emulsion machine is prepared repairing binding material base fluid and is adopted high speed shear stator rotating speed to be 350-550r/min, and shear time is 10-15min.
Further, described in reuse high-speed shearing emulsion machine high shear agitation obtain repairing compoiste adhering material adopt high speed shear rotating speed be 400-600r/min, shear time is 30-35min.
The present invention utilizes cement water-base epoxy emulsified asphalt composite repair binding material, reduces water-base epoxy mixed liquor and makes consumption, effectively controls compound mucus cost; Cement granules hydration reaction promotes that aqueous epoxy resins solidifies, and accelerates emulsified asphalt breakdown of emulsion, shortens repairing and take the traffic control time, is suitable under moist environmental conditions pit rapid mend construction; Compoiste adhering material is except having both certain high-strength adhesive property and viscoelastroplasticity, and the addition of cement enhances the anti-shearing drawing property of its high temperature, resisting fatigue, permanent seal cooling; The dense film that aqueous epoxy resins, cement and Colophonium crosslinking curing are formed, improves sealed waterproof effect of squeegeeing, and reduces after repairing secondary breakage rate in a short time; The each component environmental protection of compoiste adhering material, organic solvent-free, low VOC, low energy consumption, meet current environment protection requirement.
Compoiste adhering material shearing strength and anti-drawing strength under 20 DEG C of conditions are not less than 1.102MPa and 0.732MPa respectively; Under 60 DEG C of hot conditionss, shearing strength and anti-drawing strength are not less than 0.339MPa and 0.199MPa respectively; It is not less than 11377 fatigue life.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further details.
The preparation method of asphalt pavement pit repairing compoiste adhering material of the present invention, comprises the steps:
A. be first 100 parts of SBS modified emulsifying asphalts and 10-22.2 part aqueous epoxy resins complex liquid (for CU-600 or CU-500 aqueous epoxy curing agent) by mass ratio it is 5-11.1 part waterborne curing agent (for CU-600 or CU-500 aqueous epoxy curing agent) ratio according to the rules with mass ratio, carry out precise, using high-speed shearing emulsion machine to adjust stator rotating speed is 350-550r/min, shear time is 10-15min, (WEA type) repairing binding material base fluid that preparation adhesion strength is excellent;
B. in mass ratio the repairing binding material base fluid obtained in step A, 41.7-62.5 part cement (one in portland cement, Portland cement), 0.5-2 part silane coupler (one in 3-aminopropyl trimethoxysilane, 3-aminopropyl triethoxysilane, 3-glycydoxy trimethoxy silane) are sufficiently mixed, again enabling high-speed shearing emulsion machine rotating speed is 400-600r/min, shear time is 30-35min high shear agitation, obtains (CWEA type) repairing compoiste adhering material.
Specific embodiment is given below to further illustrate preparation method of the present invention.
Table 1 embodiment 1-5 (materials described below is by quality ratio)
The following comparative example that gives compares with the embodiment of the present invention, further illustrates invention effect.
Comparative example 1:SBS modified emulsifying asphalt, comparative example 2: water-base epoxy emulsified asphalt compoiste adhering material; Mixing ratio is with the formula of parts by weight, in Table 2:
Table 2 comparative example formula
| Component | Comparative example 1 | Comparative example 2 |
| SBS modified emulsifying asphalt | 100 | 100 |
| Aqueous epoxy resins | �� | 15.6 |
| Waterborne curing agent | �� | 7.8 |
The concrete preparation technology of comparative example 2: first aqueous epoxy resins and SBS modified emulsifying asphalt are weighed in proportion, add in high-speed shearing machine and stir under room temperature, shear rate is 400-450r/min, shear time is 35-40min, can prepare the anti-shearing drawing of pit repairing high/low temperature, resisting fatigue, durable combined binding material.
The performance test results of embodiment and comparative example contrasts in Table 3.
Table 3 performance indications contrast
Note: detection project test specimen all utilizes double-deck rut twist drill core or the cutting gained of molding, and binding material the best spread dosage is 0.6kg/m2, stress ratio is 0.2, and " " represents that test specimen does not load, and has dropped or sliding rupture.
According to performance test results, compared with comparative example, the anti-shearing drawing of high/low temperature prepared by the present invention, resisting fatigue, durable combined binding material, under its 20 DEG C of conditions, shearing strength and anti-drawing strength are not less than 1.102MPa and 0.732MPa respectively; Under 60 DEG C of hot conditionss, shearing strength and anti-drawing strength are not less than 0.339MPa and 0.199MPa respectively; It is not less than 11377 fatigue life, can learn in conjunction with preparation technology and each constitutive property, CWEA type compoiste adhering material not only has the advantages such as organic solvent-free, low VOC, low energy consumption, it is also equipped with the anti-shearing drawing mechanical property of high temperature of excellence, fatigue endurance performance, is the fast and convenient macromolecule compoiste adhering material of a kind of preparation manipulation.
Above content is in conjunction with concrete preferred implementation further description made for the present invention; it cannot be assumed that the specific embodiment of the present invention is only limitted to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple reasonings or replacement can also be made, all should be considered as belonging to the present invention and be determined scope of patent protection by submitted claims.
Claims (10)
1. an asphalt pavement pit repairing compoiste adhering material, it is characterised in that this composite bonding material includes the raw material of following mass ratio:
SBS modified emulsifying asphalt 100 parts, waterborne curing agent 5-11.1 part; Aqueous epoxy resins 10-22.2 part, cement 41.7-62.5 part, viscosifier 0.5-2 part.
2. asphalt pavement pit repairing compoiste adhering material according to claim 1, it is characterised in that described cement is the one in portland cement, Portland cement.
3. asphalt pavement pit repairing compoiste adhering material according to claim 1, it is characterised in that described viscosifier are silane coupler.
4. asphalt pavement pit repairing compoiste adhering material according to claim 3, it is characterized in that, described silane coupler is the one in 3-aminopropyl trimethoxysilane, 3-aminopropyl triethoxysilane or 3-glycydoxy trimethoxy silane.
5. asphalt pavement pit repairing compoiste adhering material according to claim 1, it is characterised in that described aqueous epoxy resins is EM-618 or EM-601A.
6. asphalt pavement pit repairing compoiste adhering material according to claim 1, it is characterised in that described firming agent is CU-600 or CU-500 aqueous epoxy curing agent.
7. asphalt pavement pit repairing compoiste adhering material according to claim 1, it is characterised in that described compoiste adhering material shearing strength and anti-drawing strength under 20 DEG C of conditions are not less than 1.102MPa and 0.732MPa respectively; Under 60 DEG C of hot conditionss, shearing strength and anti-drawing strength are not less than 0.339MPa and 0.199MPa respectively; It is not less than 11377 fatigue life.
8. the preparation method of compoiste adhering material of the asphalt pavement pit repairing described in a claim 1, it is characterised in that comprise the steps:
A. be first 100 parts of SBS modified emulsifying asphalts and 10-22.2 part aqueous epoxy resins complex liquid by mass ratio it is that 5-11.1 part waterborne curing agent ratio according to the rules carries out precise with mass ratio, uses high-speed shearing emulsion machine to prepare the excellent WEA type of adhesion strength and obtain repairing binding material base fluid;
B. in mass ratio the repairing binding material base fluid obtained in step A, 41.7-62.5 part cement, 0.5-2 part silane coupler are sufficiently mixed, reuse high-speed shearing emulsion machine high shear agitation, obtain repairing compoiste adhering material.
9. the preparation method of asphalt pavement pit repairing compoiste adhering material according to claim 8, it is characterized in that, described use high-speed shearing emulsion machine is prepared repairing binding material base fluid and is adopted high speed shear stator rotating speed to be 350-550r/min, and shear time is 10-15min.
10. the preparation method of asphalt pavement pit repairing compoiste adhering material according to claim 8, it is characterized in that, described reuse high-speed shearing emulsion machine high shear agitation obtain repairing compoiste adhering material adopt high speed shear rotating speed be 400-600r/min, shear time is 30-35min.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587821A (en) * | 2016-12-08 | 2017-04-26 | 贵州省交通规划勘察设计研究院股份有限公司 | Cold-regeneration quick repairing material and preparation method thereof |
| CN106810153A (en) * | 2016-12-31 | 2017-06-09 | 山西省交通科学研究院 | It is a kind of can quick bituminous pavement cold patch material of open to traffic and preparation method thereof |
| CN107043610A (en) * | 2017-01-20 | 2017-08-15 | 长安大学 | A kind of bridge deck water-proof tack coat material and preparation method thereof |
| CN107324693A (en) * | 2017-06-15 | 2017-11-07 | 广州市市政集团有限公司 | A kind of cold recycled asphalt mixture and preparation method thereof |
| CN108729332A (en) * | 2018-05-18 | 2018-11-02 | 广东金长成桥梁隧道科技有限公司 | New spray-up and its construction technology are protected in a kind of very thin maintenance of novel nano |
| CN109181634A (en) * | 2018-08-15 | 2019-01-11 | 深圳市粤通建设工程有限公司 | Asphalt pavement crack renovation agent and preparation method thereof |
| CN110423556A (en) * | 2019-08-16 | 2019-11-08 | 山西省交通规划勘察设计院有限公司 | A kind of bridge deck water-proof adhesive layer and its application method with high shear strength |
| CN112411302A (en) * | 2020-11-18 | 2021-02-26 | 西安公路研究院 | Impermeable composite material and preparation method thereof, impermeable pavement and construction method thereof |
| CN110409272B (en) * | 2019-07-25 | 2021-05-11 | 杭州南岳建设工程有限公司 | Method for repairing pits on asphalt pavement and repairing material used by same |
| CN113372876A (en) * | 2021-06-24 | 2021-09-10 | 江苏创为交通科技发展有限公司 | Preparation method of second-order water-based resin asphalt binder |
Citations (1)
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| CN104631250A (en) * | 2015-01-05 | 2015-05-20 | 广东能达高等级公路维护有限公司 | Micro-surfacing process suitable for on-site replenishment construction |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104631250A (en) * | 2015-01-05 | 2015-05-20 | 广东能达高等级公路维护有限公司 | Micro-surfacing process suitable for on-site replenishment construction |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106587821A (en) * | 2016-12-08 | 2017-04-26 | 贵州省交通规划勘察设计研究院股份有限公司 | Cold-regeneration quick repairing material and preparation method thereof |
| CN106810153B (en) * | 2016-12-31 | 2019-07-30 | 山西省交通科学研究院 | It is a kind of can quickly open to traffic bituminous pavement cold patch material and preparation method thereof |
| CN106810153A (en) * | 2016-12-31 | 2017-06-09 | 山西省交通科学研究院 | It is a kind of can quick bituminous pavement cold patch material of open to traffic and preparation method thereof |
| CN107043610A (en) * | 2017-01-20 | 2017-08-15 | 长安大学 | A kind of bridge deck water-proof tack coat material and preparation method thereof |
| CN107324693A (en) * | 2017-06-15 | 2017-11-07 | 广州市市政集团有限公司 | A kind of cold recycled asphalt mixture and preparation method thereof |
| CN108729332A (en) * | 2018-05-18 | 2018-11-02 | 广东金长成桥梁隧道科技有限公司 | New spray-up and its construction technology are protected in a kind of very thin maintenance of novel nano |
| CN108729332B (en) * | 2018-05-18 | 2024-04-23 | 广东金长成桥梁隧道科技有限公司 | Novel nanometer ultrathin maintenance and fresh-keeping spray layer and construction process thereof |
| CN109181634A (en) * | 2018-08-15 | 2019-01-11 | 深圳市粤通建设工程有限公司 | Asphalt pavement crack renovation agent and preparation method thereof |
| CN109181634B (en) * | 2018-08-15 | 2020-04-17 | 深圳市粤通建设工程有限公司 | Asphalt pavement crack repairing agent and preparation method thereof |
| CN110409272B (en) * | 2019-07-25 | 2021-05-11 | 杭州南岳建设工程有限公司 | Method for repairing pits on asphalt pavement and repairing material used by same |
| CN110423556A (en) * | 2019-08-16 | 2019-11-08 | 山西省交通规划勘察设计院有限公司 | A kind of bridge deck water-proof adhesive layer and its application method with high shear strength |
| CN110423556B (en) * | 2019-08-16 | 2021-03-12 | 山西省交通规划勘察设计院有限公司 | Bridge deck waterproof bonding layer with high shear strength and application method thereof |
| CN112411302A (en) * | 2020-11-18 | 2021-02-26 | 西安公路研究院 | Impermeable composite material and preparation method thereof, impermeable pavement and construction method thereof |
| CN112411302B (en) * | 2020-11-18 | 2022-07-15 | 西安公路研究院 | Impermeable composite material and preparation method thereof, impermeable pavement and construction method thereof |
| CN113372876A (en) * | 2021-06-24 | 2021-09-10 | 江苏创为交通科技发展有限公司 | Preparation method of second-order water-based resin asphalt binder |
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