CN104724992B - Composite cementing pavement material and using method thereof - Google Patents
Composite cementing pavement material and using method thereof Download PDFInfo
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- CN104724992B CN104724992B CN201510114808.7A CN201510114808A CN104724992B CN 104724992 B CN104724992 B CN 104724992B CN 201510114808 A CN201510114808 A CN 201510114808A CN 104724992 B CN104724992 B CN 104724992B
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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
Abstract
The invention relates to a composite cementing pavement material and a using method thereof. The pavement material consists of a component A, a component B and a component C, wherein the mass ratio of the component A, the component B and the component C is 100 to (25-35) to (650-800); the component A is a water-borne epoxy resin emulsion which consists of water-borne epoxy resin and a flexibilizer; the component B is a water-borne epoxy curing agent; the component C consists of cement, rubber particles, stones and auxiliaries. Compared with the prior art, the pavement material has the advantages that the pavement material is free from an organic solvent, free from environmental pollution and free from fire hidden danger; the elastic modules of the pavement material can be significantly reduced, driving comfort can be improved, noise can be reduced, and a great amount of waste tires can be consumed as well, so as to promote the environment-friendly recycling utilization of the waste tires and meet national policies and guidelines on energy conservation and environmental friendliness; the pavement material is available as being uniformly stirred and does not require weighing or adding water, so that the hidden danger caused by misoperation of a constructor is eliminated; and construction tools can be directly cleaned with water, so that the pavement material is safe and convenient in operation.
Description
Technical field
The invention belongs to pavement material technical field, it particularly relates to a kind of be combined cementing paving material and
Its using method.
Background technology
In recent years, with expanding economy, high-grade highway construction is very swift and violent, and by the end of the year 2014, China's Mainland is high
The total kilometrage that is open to traffic of fast highway reaches 11.195 ten thousand kilometers, occupies the first in the world.Compare asphalt concrete pavement, cement-concrete road
It is strong that face has a bearing capacity, good endurance, and bending tensile strength is high, corrosion-resistant, low engineering cost, and the advantages of life-span length, but it is firm
Degree is big, and road-ability is poor, also fairly obvious the shortcomings of maintenance difficult, hinders it and applies further.
Economy, the fast development of traffic have caused automobile industry drastically to expand, and over the past two years, China becomes the biggest in the world
Rubber country of consumption and rubber importer, produce junked tire per year and reach as many as 100,000,000, but junked tire cyclic utilization rate only has 10%
Left and right, far below developed country.The long-term air storage of junked tire, does not only take up a large amount of soils, and easily grows mosquito and pass
Broadcast disease, once initiation fire, extremely seriously, for the Environmental Protection Situation that China is severe at present, junked tire scale is returned for pollution
Receive more urgent using situation.
Junked tire is applied to engineering construction at present has become domestic and international study hotspot, research data surface, coagulating cement
In soil, admixture rubber grain can significantly reduce its rigidity, improves resisting fatigue and anti-seismic performance, current Research Challenges essentially consist in as
What improves cement concrete type inorganic material and rubber grain organic material interfacial bond property, makes rubber with cement concrete altogether
Same bearing load, it is to avoid destroy in interface..
Content of the invention
For solving above-mentioned technical problem, the invention provides one kind can reduce road surface rigidity, improve road-ability, simultaneously
Alleviate compound cementing paving material and its using method of environmental pollution.
A kind of compound cementing paving material of the present invention, described pavement material includes a component, b component, c group
Point, wherein a component: b component: the mass ratio of c component is 100:25-35:650-800；Described a group is divided into aqueous epoxy resins breast
Liquid, is made up of aqueous epoxy resins and toughener；Described b group is divided into aqueous epoxy curing agent；Described c component includes cement, rubber
Glue granule, building stones and auxiliary agent.
Of the present invention a kind of be combined cementing paving material, in described a component, aqueous epoxy resins and toughener
Mass ratio is 100:6-12；In described c component, cement: rubber grain: the mass ratio of building stones is 100:60-80:350-400.
A kind of compound cementing paving material of the present invention, in described a component, aqueous epoxy resins are by bis-phenol a
Epoxy resin by chemic modified method, polyoxyethylene glycol or polyoxypropylene diols is grafted on its chain, and then add water emulsifying,
Make solid content be 40%-50%, obtain the aqueous epoxy resins containing hydrophilic polyoxyethylene or polyoxypropylene segment.
A kind of compound cementing paving material of the present invention, in described a component, toughener is nano-calcium carbonate
Or/and nano titanium oxide.
A kind of compound cementing paving material of the present invention, in described b component, aqueous epoxy curing agent is modification
Epoxy many amine additives h103b or h203b, solid content is 49%-52%.
A kind of compound cementing paving material of the present invention, in described c component, cement is 32.5 for strength grade
Or 42.5 portland cement.
A kind of compound cementing paving material of the present invention, in described c component, rubber grain is by junked tire warp
Mechanical Crushing becomes the granule of particle size range 0.15-5mm, then with water, concentration be 2%-3% acid solution, concentration is for 5%-10% alkali
One or more of solution, organic solvent carry out ultrasound wave cleaning for cleaning solvent, are then 15 DEG C -60 DEG C in drying temperature
Lower drying, obtains after finally going the removal of impurity；Described organic solvent is one or more in hot ethanol, benzene or toluene.Rubber grain
Level is joined and is met natural sand level in jtg/tf30 " highway cement concrete pavement construction technology detailed rules and regulations " and join related request.
A kind of compound cementing paving material of the present invention, in described c component, building stones particle size range is 5-
20mm, is one or more of limestone, granite, basalt, diabase.Building stones level is joined and is met jtg/t f30 " highway water
Cement concrete pavement construction technical manual " in coarse aggregate level join related request.
A kind of compound cementing paving material of the present invention, in described c component, auxiliary agent includes water reducer, bleed
Agent, wherein water reducer are high-efficiency water-reducing agent of poly-carboxylic acid, and for 0.1-0.4:100, air entraining agent contains three to its addition content and cement quality ratio
Terpene Saponin air entraining agent, its addition content and cement quality are than for 2-8:10000.
The using method being combined cementing paving material of the present invention, described using method is when using, will
A, b, c tri- component is blended, and carries out pavement spread, curing condition is for naturally drying maintenance, curing time 48 hours after stirring
More than.
Compared with prior art, of the present invention it be combined cementing paving material and there is advantages below be: 1) aqueouss
Epoxy resin and waterborne curing agent are environment-friendly products, without organic solvent, non-environmental-pollution, hidden danger of not catching fire, and meet and work as
The requirement of front environmental conservation；2) utilize the excellent adhesive property of epoxy resin, effectively improve cement cementitious material inorganic with building stones
Adhesion strength between material, rubber grain organic material, compared with existing elastic concrete, can significantly improve material interface bonding
Intensity, effectively improves the elasticity of material, reduces the rigidity of material；3) junked tire is added thereto as elastomer, not only may be used
Significantly reduce the elastic modelling quantity of pavement material, improve road-ability, reduce noise, also can consume junked tire in a large number, promote
The green circulatory of junked tire utilizes, and meets national energy-saving environmental protection policy policy；4) pavement material operability according to the present invention
Can be good, a, b, c tri- component is stirred by job site, is not required to weighing and adds water, and eliminates workmen's operational error hidden danger,
And construction tool directly can be cleaned with water, safe operation, convenience.
Specific embodiment
With reference to specific embodiment, compound cementing paving material of the present invention and its using method are done
Further illustrate, but protection scope of the present invention is not limited to this.
Embodiment 1
A kind of be combined cementing paving material, described pavement material includes a component, b component, c component, wherein a component:
B component: the mass ratio of c component is 100:25:650；Described a group is divided into aqueous epoxy resin emulsion, by aqueous epoxy resins and
Toughener forms；Described b group is divided into aqueous epoxy curing agent；Described c component includes cement, rubber grain, building stones and auxiliary agent；Institute
State in a component, aqueous epoxy resins and toughener mass ratio are 100:6；In described c component, cement: rubber grain: building stones
Mass ratio is 100:60:350；In described a component, aqueous epoxy resins will be gathered by chemic modified method by Epoxy Resin of Bisphenol A
Oxygen ethylene glycol is grafted on its chain, and then add water emulsifying, makes solid content be 40%, obtains containing hydrophilic polyoxyethylene segment
Aqueous epoxy resins；In described a component, toughener is nano-calcium carbonate；In described b component, aqueous epoxy curing agent is to change
Property epoxy many amine additives h103b, solid content be 49%；In described c component, the silicate cement that cement is 32.5 for strength grade
Mud；In described c component, rubber grain is become the granule of particle size range 0.15-2mm by junked tire through Mechanical Crushing, then successively
With concentration be 2% acid solution, water carry out ultrasound wave cleaning for cleaning solvent, then drying temperature be 30 DEG C at dry, finally go
Obtain after the removal of impurity.Rubber grain level join meet natural in jtg/t f30 " highway cement concrete pavement construction technology detailed rules and regulations "
Sand level joins related request；In described c component, building stones particle size range is 5-10mm, is limestone；Building stones level is joined and is met jtg/tf30
In " highway cement concrete pavement construction technology detailed rules and regulations ", coarse aggregate level joins related request；In described c component, auxiliary agent includes diminishing
Agent, air entraining agent, wherein water reducer are high-efficiency water-reducing agent of poly-carboxylic acid, and for 0.1:100, air entraining agent is its addition content and cement quality ratio
Triterpenoid saponin air entraining agent, its addition content and cement quality are than for 3:10000.
The using method being combined cementing paving material of the present invention, described using method is when using, will
A, b, c tri- component is blended, and carries out pavement spread, curing condition is for naturally drying maintenance, curing time 48 hours after stirring
More than.
Embodiment 2
A kind of be combined cementing paving material, described pavement material includes a component, b component, c component, wherein a component:
B component: the mass ratio of c component is 100:30:700；Described a group is divided into aqueous epoxy resin emulsion, by aqueous epoxy resins and
Toughener forms；Described b group is divided into aqueous epoxy curing agent；Described c component includes cement, rubber grain, building stones and auxiliary agent；Institute
State in a component, aqueous epoxy resins and toughener mass ratio are 100:8；In described c component, cement: rubber grain: building stones
Mass ratio is 100:65:360；In described a component, aqueous epoxy resins will be gathered by chemic modified method by Epoxy Resin of Bisphenol A
Oxygen ethylene glycol is grafted on its chain, and then add water emulsifying, makes solid content be 45%, obtains containing hydrophilic polyoxyethylene segment
Aqueous epoxy resins；In described a component, toughener is nano-calcium carbonate；In described b component, aqueous epoxy curing agent is to change
Property epoxy many amine additives h103b, solid content be 48%；In described c component, the silicate cement that cement is 32.5 for strength grade
Mud；In described c component, rubber grain is become the granule of particle size range 2-5mm by junked tire through Mechanical Crushing, then with concentration is
5% aqueous slkali, water carry out ultrasound wave cleaning for cleaning solvent, then dry at drying temperature is 40 DEG C, finally go the removal of impurity
After obtain；Rubber grain level is joined and is met natural sand level in jtg/tf30 " highway cement concrete pavement construction technology detailed rules and regulations " and join phase
Close and require；In described c component, building stones particle size range is 10-20mm, is limestone.Building stones level is joined and is met jtg/tf30 " highway water
Cement concrete pavement construction technical manual " in coarse aggregate level join related request；In described c component, auxiliary agent includes water reducer, bleed
Agent, wherein water reducer are high-efficiency water-reducing agent of poly-carboxylic acid, and for 0.2:100, air entraining agent is triterpene soap to its addition content and cement quality ratio
Glycoside air entraining agent, its addition content and cement quality are than for 4:10000.
The using method being combined cementing paving material of the present invention, described using method is when using, will
A, b, c tri- component is blended, and carries out pavement spread, curing condition is for naturally drying maintenance, curing time 48 hours after stirring
More than.
Embodiment 3
A kind of be combined cementing paving material, described pavement material includes a component, b component, c component, wherein a component:
B component: the mass ratio of c component is 100:32:750；Described a group is divided into aqueous epoxy resin emulsion, by aqueous epoxy resins and
Toughener forms；Described b group is divided into aqueous epoxy curing agent；Described c component includes cement, rubber grain, building stones and auxiliary agent；Institute
State in a component, aqueous epoxy resins and toughener mass ratio are 100:10；In described c component, cement: rubber grain: building stones
Mass ratio is 100:75:380；In described a component, aqueous epoxy resins will be gathered by chemic modified method by Epoxy Resin of Bisphenol A
Oxypropylene glycol is grafted on its chain, and then add water emulsifying, makes solid content be 48%, obtains containing hydrophilic polyoxypropylene segment
Aqueous epoxy resins；In described a component, toughener is nano titanium oxide；In described b component, aqueous epoxy curing agent is
Modified epoxy many amine additives h203b, solid content is 50%；In described c component, the silicate that cement is 42.5 for strength grade
Cement；In described c component, rubber grain is become the granule of particle size range 3-5mm by junked tire through Mechanical Crushing, then is clear with water
Wash solvent and carry out ultrasound wave cleaning, then dry at drying temperature is 60 DEG C, obtain after finally going the removal of impurity；Rubber grain level
Join and meet natural sand level in jtg/tf30 " highway cement concrete pavement construction technology detailed rules and regulations " and join related request；Described c component
In, building stones particle size range is 5-10mm, is basalt.Building stones level join meet jtg/tf30 " highway cement concrete pavement construct
Technical manual " in coarse aggregate level join related request；In described c component, auxiliary agent includes water reducer, air entraining agent, and wherein water reducer is
High-efficiency water-reducing agent of poly-carboxylic acid, for 0.3:100, air entraining agent is triterpenoid saponin air entraining agent to its addition content and cement quality ratio, its admixture
Amount and cement quality ratio are for 7:10000.
The using method being combined cementing paving material of the present invention, described using method is when using, will
A, b, c tri- component is blended, and carries out pavement spread, curing condition is for naturally drying maintenance, curing time 48 hours after stirring
More than.
Embodiment 4
A kind of be combined cementing paving material, described pavement material includes a component, b component, c component, wherein a component:
B component: the mass ratio of c component is 100:35:800；Described a group is divided into aqueous epoxy resin emulsion, by aqueous epoxy resins and
Toughener forms；Described b group is divided into aqueous epoxy curing agent；Described c component includes cement, rubber grain, building stones and auxiliary agent；Institute
State in a component, aqueous epoxy resins and toughener mass ratio are 100:12；In described c component, cement: rubber grain: building stones
Mass ratio is 100:80:400；In described a component, aqueous epoxy resins will be gathered by chemic modified method by Epoxy Resin of Bisphenol A
Oxypropylene glycol is grafted on its chain, and then add water emulsifying, makes solid content be 50%, obtains containing hydrophilic polyoxypropylene segment
Aqueous epoxy resins；In described a component, toughener is nano titanium oxide；In described b component, aqueous epoxy curing agent is
Modified epoxy many amine additives h203b, solid content is 51%；In described c component, the silicate that cement is 42.5 for strength grade
Cement；In described c component, rubber grain is become the granule of particle size range 0.15-1mm by junked tire through Mechanical Crushing, then with heat
Ethanol, water carry out ultrasound wave cleaning for cleaning solvent, then dry at drying temperature is 50 DEG C, obtain after finally going the removal of impurity
Arrive；Rubber grain level join meet natural sand level in jtg/tf30 " highway cement concrete pavement construction technology detailed rules and regulations " join related will
Ask；In described c component, building stones particle size range is 12-20mm, is granite.Building stones level join meet jtg/tf30 " highway cement mix
Solidifying soil surface construction technology detailed rules and regulations " in coarse aggregate level join related request；In described c component, auxiliary agent includes water reducer, air entraining agent,
Wherein water reducer is high-efficiency water-reducing agent of poly-carboxylic acid, and for 0.4:100, air entraining agent draws its addition content and cement quality ratio for triterpenoid saponin
Gas agent, its addition content and cement quality are than for 5:10000；Described using method is when using, and a, b, c tri- component is blended,
Carry out pavement spread, curing condition is for naturally drying maintenance, curing time more than 48 hours after stirring.
Embodiment 5
A kind of be combined cementing paving material, described pavement material includes a component, b component, c component, wherein a component:
B component: the mass ratio of c component is 100:35:800；Described a group is divided into aqueous epoxy resin emulsion, by aqueous epoxy resins and
Toughener forms；Described b group is divided into aqueous epoxy curing agent；Described c component includes cement, rubber grain, building stones and auxiliary agent；Institute
State in a component, aqueous epoxy resins and toughener mass ratio are 100:12；In described c component, cement: rubber grain: building stones
Mass ratio is 100:80:400；In described a component, aqueous epoxy resins will be gathered by chemic modified method by Epoxy Resin of Bisphenol A
Oxypropylene glycol is grafted on its chain, and then add water emulsifying, makes solid content be 50%, obtains containing hydrophilic polyoxypropylene segment
Aqueous epoxy resins；In described a component, toughener is nano titanium oxide；In described b component, aqueous epoxy curing agent is
Modified epoxy many amine additives h203b, solid content is 51%；In described c component, the silicate that cement is 42.5 for strength grade
Cement；In described c component, rubber grain is become the granule of particle size range 0.15-1mm by junked tire through Mechanical Crushing, then with heat
Ethanol, water carry out ultrasound wave cleaning for cleaning solvent, then dry at drying temperature is 50 DEG C, obtain after finally going the removal of impurity
Arrive；Rubber grain level join meet natural sand level in jtg/tf30 " highway cement concrete pavement construction technology detailed rules and regulations " join related will
Ask；In described c component, building stones particle size range is 12-20mm, is granite.Building stones level join meet jtg/tf30 " highway cement mix
Solidifying soil surface construction technology detailed rules and regulations " in coarse aggregate level join related request；In described c component, auxiliary agent includes water reducer, air entraining agent,
Wherein water reducer is high-efficiency water-reducing agent of poly-carboxylic acid, and for 0.4:100, air entraining agent is to be mixed with to account for total matter to its addition content and cement quality ratio
(this Russula aldehyde terpene is isolatable from smelly Russula russulafoetens sporophore to the Russula aldehyde terpene of amount 2%, and it can prevent because of triterpenoid saponin
Addition and so that the intensity of concrete and elastic modelling quantity is too reduced) triterpenoid saponin air entraining agent, its addition content and cement quality
Than for 5:10000；Described using method is when using, and a, b, c tri- component is blended, carries out pavement spread after stirring,
Curing condition is for naturally drying maintenance, curing time more than 48 hours.
According to jtge30-2005 " highway engineering cement and cement concrete testing regulationss ", make according to embodiment 1～5
Test specimen simultaneously carries out performance detection, and test result is shown in Table 1.
Table 1: cement concrete pavement performance test results
| Numbering | Comprcssive strength/mpa (28d) | Bending tensile strength/mpa (28d) | Moment design value/gpa |
| Embodiment 1 | 42.68 | 6.2 | 24.8 |
| Embodiment 2 | 40.85 | 5.9 | 24.3 |
| Embodiment 3 | 38.47 | 5.7 | 24.1 |
| Embodiment 4 | 38.14 | 5.6 | 23.9 |
| Embodiment 5 | 40.21 | 5.8 | 24.2 |
Compared with prior art, of the present invention it be combined cementing paving material and there is advantages below be: 1) aqueouss
Epoxy resin and waterborne curing agent are environment-friendly products, without organic solvent, non-environmental-pollution, hidden danger of not catching fire, and meet and work as
The requirement of front environmental conservation；2) utilize the excellent adhesive property of epoxy resin, effectively improve cement cementitious material inorganic with building stones
Adhesion strength between material, rubber grain organic material, compared with existing elastic concrete, can significantly improve material interface bonding
Intensity, effectively improves the elasticity of material, reduces the rigidity of material；3) junked tire is added thereto as elastomer, not only may be used
Significantly reduce the elastic modelling quantity of pavement material, improve road-ability, reduce noise, also can consume junked tire in a large number, promote
The green circulatory of junked tire utilizes, and meets national energy-saving environmental protection policy policy；4) pavement material operability according to the present invention
Can be good, a, b, c tri- component is stirred by job site, is not required to weighing and adds water, and eliminates workmen's operational error hidden danger,
And construction tool directly can be cleaned with water, safe operation, convenience.
Claims (7)
1. one kind is combined cementing paving material it is characterised in that described pavement material includes a component, b component and c component,
Wherein a component: b component: the mass ratio of c component is 100:25-35:650-800；Described a group is divided into aqueous epoxy resin emulsion,
It is made up of aqueous epoxy resins and toughener；Described b group is divided into aqueous epoxy curing agent；Described c component includes cement, rubber
Grain, building stones and auxiliary agent；
In described a component, aqueous epoxy resins and toughener mass ratio are 100:6-12；In described c component, cement: rubber
Grain: the mass ratio of building stones is 100:60-80:350-400；
In described a component, toughener is nano-calcium carbonate or/and nano titanium oxide；
In described c component, rubber grain is become the granule of particle size range 0.15-5mm by junked tire through Mechanical Crushing, then with water,
Concentration is 2-3wt% acid solution, concentration is surpassed for cleaning solvent for one or more of 5-10wt% aqueous slkali, organic solvent
Sound wave cleans, and then dries at drying temperature is 15 DEG C -60 DEG C, obtains after finally going the removal of impurity；Described organic solvent is heat
One or more in ethanol, benzene or toluene.
2. according to claim 1 a kind of be combined cementing paving material it is characterised in that in described a component, aqueouss
Polyoxyethylene glycol or polyoxypropylene diols are grafted to its chain by Epoxy Resin of Bisphenol A by chemic modified method by epoxy resin
On, then add water emulsifying, makes solid content be 40-50wt%, obtains the aqueouss containing hydrophilic polyoxyethylene or polyoxypropylene segment
Epoxy resin.
3. according to claim 1 a kind of be combined cementing paving material it is characterised in that in described b component, aqueouss
Epoxy hardener is modified epoxy many amine additives h103b or h203b, and solid content is 49-52wt%.
4. according to claim 1 a kind of be combined cementing paving material it is characterised in that in described c component, cement
The portland cement being 32.5 or 42.5 for strength grade.
5. according to claim 1 a kind of be combined cementing paving material it is characterised in that in described c component, building stones
Particle size range is 5-20mm, is one or more of limestone, granite, basalt, diabase.
6. according to claim 1 a kind of be combined cementing paving material it is characterised in that in described c component, auxiliary agent
Including water reducer, air entraining agent, wherein water reducer is high-efficiency water-reducing agent of poly-carboxylic acid, and its addition content and cement quality ratio is for 0.1-0.4:
100, air entraining agent air entraining agent containing triterpenoid saponin, its addition content and cement quality are than for 2-8:10000.
7. the using method being combined cementing paving material according to claim 1 is it is characterised in that described user
Method be use when, by a, b, c tri- component be blended, carry out pavement spread after stirring, curing condition for naturally drying maintenance,
Curing time more than 48 hours.
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| CN106630889A (en) * | 2016-11-15 | 2017-05-10 | 墨宝股份有限公司 | Compound cemented pavement material and usage method thereof |
| CN107188491A (en) * | 2017-06-27 | 2017-09-22 | 常州市沃兰特电子有限公司 | A kind of anti-skidding modified bridge deck pavement material and preparation method thereof |
| CN108129071B (en) * | 2018-01-24 | 2019-03-15 | 广州市希尔德新材料科技有限公司 | A kind of polyaspartic ester gluing stone porous pavement material |
| CN108894074A (en) * | 2018-06-10 | 2018-11-27 | 重庆诚邦路面材料有限公司 | A kind of fine antiskid wearing layer of cement pavement and construction method |
| CN111606608A (en) * | 2020-05-09 | 2020-09-01 | 中铁十四局集团大盾构工程有限公司 | Rubber particle anti-seismic synchronous grouting material |
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| CN100463947C (en) * | 2005-09-22 | 2009-02-25 | 长江水利委员会长江科学院 | Nano composite aqueous epoxide resin coating material and preparation method |
| CN100569690C (en) * | 2005-12-26 | 2009-12-16 | 北京仁创科技集团有限公司 | A kind of Weather resistance permeable material and uses thereof |
| CN102173663B (en) * | 2011-01-10 | 2013-06-12 | 武汉理工大学 | Waterborne epoxy modified emulsified asphalt concrete for steel bridge surface and preparation method thereof |
| CN103043962B (en) * | 2011-10-17 | 2015-04-01 | 中国石油化工股份有限公司 | Mixture for normal-temperature repairing of asphalt pavement pits, and preparation method and application thereof |
| CN102775108B (en) * | 2012-07-10 | 2016-06-08 | 亿利沙材料科技有限责任公司 | A kind of water permeable paving material and its preparation method and application |
| CN103951343B (en) * | 2014-04-10 | 2016-10-05 | 中国石油大学(华东) | A kind of compound cold asphalt mixture for asphalt pavement pit repairing |
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