CN103964748A - Quick patching material for expansion joint and preparation method thereof - Google Patents
Quick patching material for expansion joint and preparation method thereof Download PDFInfo
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- CN103964748A CN103964748A CN201410142255.1A CN201410142255A CN103964748A CN 103964748 A CN103964748 A CN 103964748A CN 201410142255 A CN201410142255 A CN 201410142255A CN 103964748 A CN103964748 A CN 103964748A
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- expansion joint
- repairing material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a quick repairing material for an expansion joint, which comprises the following components in parts by mass: 100 parts of epoxy resin, 10 to 30 parts of an activated thinner, 5 to 40 parts of a filler, 50 to 100 parts of a curing agent, 0.1 to 3 parts of an ultraviolet absorber and aggregate, wherein the mass ratio of the aggregate to the total mass of components in a group A and a group B is (3:1) to (8:1). The invention further discloses a preparation method of the repairing material. The toughness of the repairing material is good, the time for closing to traffic is short, the interfacial bonding performance is prominent, the construction and the operation are simple and convenient, and the service life is long.
Description
Technical field
The invention belongs to pavement patching field, be specifically related to a kind of expansion joint fast repairing material and preparation method thereof.
Background technology
In recent years, along with the fast development of national economy, the road traffic construction of China has obtained the achievement attracting people's attention.Expansion joint is as the important accessory structure of bridge construction, and its quality directly has influence on comfortableness and the vehicle pass-through speed etc. of traffic safety and driving, also has influence on the work-ing life of overall bridge simultaneously.In addition, because China's road traffic flow is large, repair frequently expansion joint for a long time and not only easily cause traffic congestion also can freely not produce huge financial loss because of personnel, cargo movement.Therefore, for These characteristics, developing and a kind of the little expansion joint quick repair technology of traffic impact is had important practical significance, is also very necessary and urgent.Chinese patent application CN103387353A discloses a kind of polyurethane concrete fast repairing material, it is made up of urethane monomer, polyvalent alcohol, softening agent, catalyzer and fine aggregate etc., more than its ultimate compression strength can reach 20MPa after health 2h, but cohesive strength is on the low side, after health 7d less than 4MPa.Visible, existing expansion joint patching material as cement concrete exists that fragility is large, tensile strength and the defect such as interface adhesion is poor, cannot meet use needs.
Summary of the invention
One of object of the present invention is to provide a kind of good toughness, the close traffic time is short, interfacial adhesion outstanding, constructing operation is easy, the expansion joint fast repairing material of long service life.
Object of the present invention can be by realizing with technical scheme: a kind of expansion joint fast repairing material, it is characterized in that, and comprise following mass parts component:
A component: epoxy resin 100 mass parts;
Reactive thinner 10 ~ 30 mass parts
Filler 5 ~ 40 mass parts
B component: solidifying agent 50～100 mass parts
Ultraviolet absorbers 0.1～3 mass parts
C component: aggregate, its quality is 3:1-8:1 with the ratio of the quality summation of A, two groups of components of B.
Described epoxy resin is bisphenol A type epoxy resin, as epoxy resin E51.
Described reactive thinner is cardanol glycidyl ether (NC 513).NC 513 not only can play the effect of dilution, and owing to having toughening effect with long side chain in its molecular structure, its molecular formula is as follows:
Described filler is diatomite or active micro silicon powder.
Described solidifying agent is pnenolic aldehyde amine hardener.
Described uv-absorbing agent is benzotriazole compound, as UV-329, can absorbing wavelength scope in the UV-light of 300-385nm.
Described aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm.As one embodiment of the present of invention, described wear-resisting stone is prepared from by the following method: taking copper mine or iron ore mine stone as raw material, after pulverizing, at 2500 ~ 3000 DEG C, high-temperature firing becomes, and Mohs' hardness is more than 5.
Two of object of the present invention is to provide the preparation method of above-mentioned expansion joint fast repairing material.
Above-mentioned expansion joint by the preparation method of fast repairing material is: epoxy resin, reactive thinner, filler, solidifying agent and UV-light attractant are put into successively and mixed and stirred bucket, stir and obtain glue, then glue is added in aggregate, uniform mixing, gets final product to obtain expansion joint fast repairing material.
The present invention compared with prior art has the following advantages:
(1) high, the good toughness of intensity: patching material provided by the invention using the epoxy resin of adhesive property excellence after toughening modifying as tackiness agent, wear-resisting stone taking particle diameter as 0.6mm-3.3mm is aggregate, physical and mechanical properties excellence after patching material solidifies, interface binding intensity is higher than the body intensity of concrete surface.
(2) easy construction, preserving period are short: under the effect of pnenolic aldehyde amine hardener, epoxy resin can realize fast setting at normal temperatures and early strength is high, health gets final product open to traffic for 3 ~ 6 hours, can meet urban road or the demand of motorway to the quick reparation in expansion joint that traffic flow is large.
(3) good, the current noise of pavement performance is low: the wear-resisting stone of patching material provided by the invention taking particle diameter as 0.6mm-3.3mm is aggregate, its Mohs' hardness is more than 6, and grading of aggregate is through optimizing, repair the large frictional coefficient of rear surface construction depth high, reduced driving noise thereby reduced vehicle after repairing in addition in the impact of breakage generation.
(4) widely applicable: major ingredient of the present invention adopts epoxy resin, the basal planes such as cement concrete, bituminous concrete, steel plate, stone material is all had to excellent adhesive property, therefore applicable to different basal planes.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but therefore the present invention is not limited in described scope of embodiments.
In following examples, epoxy resin is bisphenol A type epoxy resin, as epoxy resin E51.
Reactive thinner is cardanol glycidyl ether (NC 513).NC 513 not only can play the effect of dilution, and owing to having toughening effect with long side chain in its molecular structure, its molecular formula is as follows.
Filler is diatomite or active micro silicon powder.
Solidifying agent is pnenolic aldehyde amine hardener.
Uv-absorbing agent is benzotriazole compound, as UV-329, can absorbing wavelength scope in the UV-light of 300-385nm.
Aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm.Preferably, wear-resisting stone is prepared from by the following method: taking copper mine or iron ore mine stone as raw material, after pulverizing, at 2500 ~ 3000 DEG C, high-temperature firing becomes, and Mohs' hardness is more than 5.
embodiment 1
Expansion joint fast repairing material, is made by following component:
A component: epoxy resin E51 100 mass parts;
NC 513 12 mass parts;
Diatomite 20 mass parts;
B component: pnenolic aldehyde amine hardener 80 mass parts;
UV 329
1.5 mass parts;
C component: aggregate, its quality is 4:1 with the ratio of the quality summation of A, two groups of components of B.Aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm, is raw material by copper mine, and after pulverizing, at 3000 DEG C, high-temperature firing becomes, and Mohs' hardness is more than 5.
Epoxy resin E51, reactive thinner NC 513, diatomite, pnenolic aldehyde amine hardener, ultraviolet absorbers UV 329 are put into successively and mix and stir bucket, be stirred into after glue and aggregate uniform mixing, get final product to obtain expansion joint fast repairing material.
embodiment 2
Expansion joint fast repairing material, is made by following component:
A component: epoxy resin E51 100 mass parts;
NC 513 12 mass parts;
Active micro silicon powder 20 mass parts;
B component: pnenolic aldehyde amine hardener 80 mass parts;
UV 329 1.5 mass parts;
C component: aggregate, its quality is 5:1 with the ratio of the quality summation of A, two groups of components of B.Aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm, is raw material by iron ore mine stone, and after pulverizing, at 3000 DEG C, high-temperature firing becomes, and Mohs' hardness is more than 5.
Epoxy resin E51, reactive thinner NC 513, active micro silicon powder, pnenolic aldehyde amine hardener, ultraviolet absorbers UV 329 are put into successively and mix and stir bucket, be stirred into after glue and aggregate uniform mixing, get final product to obtain expansion joint fast repairing material.
embodiment 3
A kind of expansion joint fast repairing material, is made by following component:
A component: epoxy resin E51 100 mass parts;
NC 513 15 mass parts;
Diatomite 30 mass parts;
B component: pnenolic aldehyde amine hardener 80 mass parts;
UV 329 1.5 mass parts;
C component: aggregate, its quality is 6:1 with the ratio of the quality summation of A, two groups of components of B.Aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm, is raw material by copper mine, and after pulverizing, at 3000 DEG C, high-temperature firing becomes, and Mohs' hardness is more than 5.
Epoxy resin E51, reactive thinner NC 513, diatomite, pnenolic aldehyde amine hardener, ultraviolet absorbers UV 329 are put into successively and mix and stir bucket, be stirred into after glue and aggregate uniform mixing, get final product to obtain expansion joint fast repairing material.
embodiment 4
Expansion joint fast repairing material, is made by following component:
A component: epoxy resin E51 100 mass parts;
NC 513 20 mass parts;
Active micro silicon powder 40 mass parts;
B component: pnenolic aldehyde amine hardener 80 mass parts;
UV 329 1.5 mass parts;
C component: aggregate, its quality is 4:1 with the ratio of the quality summation of A, two groups of components of B.Aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm, is raw material by iron ore mine stone, and after pulverizing, at 3000 DEG C, high-temperature firing becomes, and Mohs' hardness is more than 5.
Epoxy resin E51, reactive thinner NC 513, active micro silicon powder, pnenolic aldehyde amine hardener, ultraviolet absorbers UV 329 are put into successively and mix and stir bucket, be stirred into after glue and aggregate uniform mixing, get final product to obtain expansion joint fast repairing material.
embodiment 5
Expansion joint fast repairing material, is made by following component:
A component: epoxy resin E51 100 mass parts;
NC 513 25 mass parts;
Active micro silicon powder 20 mass parts;
B component: pnenolic aldehyde amine hardener 60 mass parts;
UV 329 1.5 mass parts;
C component: aggregate, its quality is 4:1 with the ratio of the quality summation of A, two groups of components of B.Aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm, is raw material by copper mine, and after pulverizing, at 2500 DEG C, high-temperature firing becomes, and Mohs' hardness is more than 5.
Epoxy resin E51, reactive thinner NC 513, diatomite, pnenolic aldehyde amine hardener, ultraviolet absorbers UV 329 are put into successively and mix and stir bucket, be stirred into after glue and aggregate uniform mixing, get final product to obtain expansion joint fast repairing material.
experimental example 1
This experimental example, taking both sides, expansion joint Paving Bituminous Concrete damage revamping as example, further illustrates application method of the present invention, comprises the following steps:
(1) processing base level: cut the thick groove of wide about 20cm along expansion joint direction, remove the Paving Bituminous Concrete layer in groove, the greasy dirt of adhesive surface, ponding, dust etc. are removed and expansion joint punching block is sealed;
(2) primary coat: the glue being stirred in the embodiment 1 or 2 that takes a morsel, use hairbrush at groove wall and bottom brushing one deck glue;
(3) filler: the compound mixing and stirring in embodiment 1 or 2 is inserted in groove, and floating the superiors compound also makes its slightly high road surface 2-3mm;
(4) surface layer processing: the rubble that one deck is identical with road surface color is spread in mix surface after filling up in hole, hole, is then densified to equal with former road surface by surface layer vibrations;
(5) maintenance: allow after construction behind repair layer health 3-6 hour (the concrete time is depending on envrionment temperature, temperature health 4 hours more than 20 DEG C time) and get final product open to traffic.
experimental example 2
This experimental example, taking both sides, expansion joint concrete damage revamping as example, further illustrates application method of the present invention, comprises the following steps:
(1) processing base level: cut the concrete blocks ftractureing but not yet come off and remove fragment, dust, greasy dirt, the ponding of concrete surface face;
(2) primary coat: the glue being stirred in the embodiment 1 or 2 that takes a morsel, use hairbrush at groove wall and bottom brushing one deck glue;
(3) filler: the compound mixing and stirring in embodiment 1 or 2 is inserted in groove, and floating the superiors compound also makes its slightly high road surface 2-3mm;
(4) surface layer processing: the rubble that one deck is identical with road surface color is spread in mix surface after filling up in hole, hole, is then densified to equal with former road surface by surface layer vibrations;
(5) maintenance: allow after construction behind repair layer health 3-6 hour (the concrete time is depending on envrionment temperature, temperature health 4 hours more than 20 DEG C time) and get final product open to traffic.
testing method
Mechanics Performance Testing: measure cohesive strength according to GB/T 16777-2008; Measure steel steel cohesive strength according to GB/T 6329-1996; Measure steel-steel stretching slip resistance according to GB/T 7124-2008.
Hydrothermal aging experiment: at temperature 60 C, lower aging 20 days of humidity 98% condition, detects cohesive strength and change by 8 type matrix samples.
Thermal cycling test: 8 type matrix samples, to boil 8h in 70 DEG C of water, then to freeze 16h as a circulation at-5 DEG C of refrigerators, are repeated five times, detect cohesive strength and change.
Marshall experiment, rut experiment: measure Marshall stability, dynamic stability according to JTG E20-2011.
Ultimate compression strength: measure ultimate compression strength according to GB50081-2002.
Swinging friction coefficient, construction depth: measure swinging friction coefficient and construction depth according to JTG E20-2008.
Current noise: noise in the car while adopting common sound level instrumentation examination vehicle by expansion joint under vehicle window closing condition.
As can be seen from Table 1 and Table 2, the prepared glue of the present invention has the features such as good mechanical performance, ageing-resistant performance are outstanding.As embodiment 1, after the cohesive strength health 1d of glue, exceed concrete body intensity, steel steel adhesive tensile resistance intensity and steel steel stretching slip resistance are all more than 15MPa.Cohesive strength, after hydrothermal aging and thermocycling experiment, is still greater than concrete body intensity.
As can be seen from Table 3, the prepared patching material of the present invention has quick solidifying, the feature of mechanical property excellence.In embodiment 2,30 DEG C the length of time 3h, more than the ultimate compression strength of material just can reach 10MPa, 1d ultimate compression strength in the length of time exceedes about 15MPa especially, possesses the condition at temperature maintenance 4h open to traffic during higher than 20 DEG C.As embodiment 1, the Marshall stability of material and dynamic stability are all obviously better than modified asphalt concrete.
As can be seen from Table 4, the prepared patching material of employing the present invention has the advantages that security is good, noise is low after expansion joint is repaired.In experimental example 1, after repairing, the swinging friction coefficient on road surface is issued to 87 in drying regime, also reaches 62 under dampness, and current noise has reduced by 21.5%.
Claims (9)
1. an expansion joint fast repairing material, is characterized in that, comprises following mass parts component:
A component: epoxy resin 100 mass parts;
Reactive thinner 10 ~ 30 mass parts
Filler 5 ~ 40 mass parts
B component: solidifying agent 50～100 mass parts
Ultraviolet absorbers 0.1～3 mass parts
C component: aggregate, its quality is 3:1-8:1 with the ratio of the quality summation of A, two groups of components of B.
2. expansion joint according to claim 1 fast repairing material, is characterized in that, described epoxy resin is bisphenol A type epoxy resin.
3. expansion joint according to claim 1 fast repairing material, is characterized in that, described reactive thinner is cardanol glycidyl ether.
4. expansion joint according to claim 1 fast repairing material, is characterized in that, described filler is diatomite or active micro silicon powder.
5. expansion joint according to claim 1 fast repairing material, is characterized in that, described solidifying agent is pnenolic aldehyde amine hardener.
6. expansion joint according to claim 1 fast repairing material, is characterized in that, described uv-absorbing agent is benzotriazole compound.
7. expansion joint according to claim 1 fast repairing material, is characterized in that, described aggregate is wear-resisting stone, and its particle diameter is 0.6mm-3.3mm.
8. expansion joint according to claim 7 fast repairing material, it is characterized in that, described wear-resisting stone is prepared from by the following method: taking copper mine or iron ore mine stone as raw material, after pulverizing, at 2500 ~ 3000 DEG C, high-temperature firing becomes, and its Mohs' hardness is more than 5.
9. the preparation method of fast repairing material for the expansion joint described in the arbitrary claim of claim 1 ~ 8, it is characterized in that, epoxy resin, reactive thinner, filler, solidifying agent and UV-light attractant are put into successively and mixed and stirred bucket, stir and obtain glue, then glue is added in aggregate, uniform mixing, gets final product to obtain expansion joint fast repairing material.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105503041A (en) * | 2015-12-16 | 2016-04-20 | 四川国星高分子树脂有限公司 | Asphalt with pebbles as aggregates and preparing method thereof |
| CN105625169A (en) * | 2015-12-24 | 2016-06-01 | 重庆博焱建筑加固工程有限公司 | Rapid replacing method and restoring method for bridge expansion joint |
| CN106431085A (en) * | 2016-09-23 | 2017-02-22 | 广东省建筑科学研究院集团股份有限公司 | Material for quickly repairing asphalt thin overlay and preparation method thereof |
| CN106495562A (en) * | 2016-09-23 | 2017-03-15 | 广东省建筑科学研究院集团股份有限公司 | A kind of cold painting type road and bridge face thin layer pavement material for adapting to southern warm and its using method |
| CN106746913A (en) * | 2017-01-10 | 2017-05-31 | 广东省建筑科学研究院集团股份有限公司 | A kind of tunnel special-purpose anti-flaming type Thin Pavement pavement material and its application method |
| CN107298543A (en) * | 2017-07-25 | 2017-10-27 | 滨州学院 | A kind of room temperature self-compaction airfield pavement patching material and preparation method thereof |
| CN107879668A (en) * | 2017-12-08 | 2018-04-06 | 卡本复合材料（天津）有限公司 | A kind of cracking resistance epoxy resin mortar for expansion joint Rapid-Repair and preparation method thereof |
| CN109455980A (en) * | 2019-01-02 | 2019-03-12 | 广州市市政工程维修处 | Concrete road surface material for quickly repairing and its restorative procedure |
| CN111592282A (en) * | 2019-09-05 | 2020-08-28 | 石家庄广科新材料有限公司 | Epoxy resin concrete for grouting bridge expansion joints and road and bridge joints |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106746913A (en) * | 2017-01-10 | 2017-05-31 | 广东省建筑科学研究院集团股份有限公司 | A kind of tunnel special-purpose anti-flaming type Thin Pavement pavement material and its application method |
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| CN107879668A (en) * | 2017-12-08 | 2018-04-06 | 卡本复合材料（天津）有限公司 | A kind of cracking resistance epoxy resin mortar for expansion joint Rapid-Repair and preparation method thereof |
| CN109455980A (en) * | 2019-01-02 | 2019-03-12 | 广州市市政工程维修处 | Concrete road surface material for quickly repairing and its restorative procedure |
| CN111592282A (en) * | 2019-09-05 | 2020-08-28 | 石家庄广科新材料有限公司 | Epoxy resin concrete for grouting bridge expansion joints and road and bridge joints |
| CN111592282B (en) * | 2019-09-05 | 2021-09-28 | 石家庄广科新材料有限公司 | Epoxy resin concrete for grouting bridge expansion joints and road and bridge joints |
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Effective date of registration: 20181224 Address after: 510500 121 Tianhe District martyrs East Road, Guangzhou, Guangdong Patentee after: Guangdong Jianke Traffic Engineering Quality Inspection Center Co., Ltd. Address before: 510500 121 Tianhe District martyrs East Road, Guangzhou, Guangdong Patentee before: Guangdong Construction Academy Group Plc |