CN104692728A - Slurry material for semi-flexible road surface - Google Patents
Slurry material for semi-flexible road surface Download PDFInfo
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- CN104692728A CN104692728A CN201510081632.XA CN201510081632A CN104692728A CN 104692728 A CN104692728 A CN 104692728A CN 201510081632 A CN201510081632 A CN 201510081632A CN 104692728 A CN104692728 A CN 104692728A
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- water
- hardening accelerator
- cement
- slurry material
- silica sand
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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 relates to a slurry material for a semi-flexible road surface. The slurry material is prepared from the following raw materials in percentage by mass: 25-29% of P.O.42.5 cement, 8-10% of anionic emulsified asphalt, 35-38% of silica sand, 20-23% of mineral powder, 6-8% of ground calcium carbonate, 0.32-0.34% of a water reducer, 0.011%-0.013% of a water-retaining agent and 0.33-036% of an early strength agent. A preparation method for the semi-flexible slurry material comprises the following steps: adding the materials according to the sequence of emulsified asphalt, cement, silica sand, mineral powder, ground calcium carbonate, water reducer, water-retaining agent, early strength agent and water; mixing other materials for 1-2 minutes before adding water, adding water to mix for 2-3 minutes to prepare cement mortar, wherein tap water accounts for 30-35% (in percentage by mass) in terms of the polymer cement-based slurry material. The slurry material has the characteristics of relatively large mobility, early strength and no shrinkage, can be used as the slurry material for the semi-flexible road surface, and forms a semi-flexible asphalt mixture with an open-graded asphalt mixture base body.
Description
Technical field
The present invention relates to a kind of half-flexible pavement slurry material, particularly relate to a kind of slurry material of the half flexible Rut resistance road surface for parking lot, urban road intersection place.
Background technology
At present, for half-flexible pavement slurry material mainly cement-based grout material, traditional cement-based grout strength of materials increases slow, and has dry temperature contracting phenomenon, easily affects to open gradation asphalt matrix strength.Under low-temperature condition, slurry material there will be certain contraction upon hardening afterwards, easily causes filling eakiness, thus affects the pavement performance of half-flexible pavement.
Summary of the invention
The object of the invention is to develop a kind of half-flexible pavement half-flexible pavement slurry material with premium propertiess such as mobility is high, morning is strong, lower shrinkage.
To achieve these goals, technical scheme of the present invention is: a kind of half-flexible pavement slurry material, is characterized in that: the mass percent that its raw material composition and component account for raw material total amount is as follows:
P.O.42.5 cement 25 ~ 29%
Emulsified bitumen 8 ~ 10%
Silica sand 35 ~ 38%
Breeze 20 ~ 23%
Water-ground limestone 6 ~ 8%
Water reducer 0.32 ~ 0.34%
Water-holding agent 0.011 ~ 0.013%
Hardening accelerator 0.33 ~ 0.36%
Preferred described emulsified bitumen is anionic emulsified bitumen; Preferably described silica sand is 70 ~ 120 orders; The percent of pass that preferred described breeze hydrophilic coefficient is not more than 1,0.6mm is 100%; Preferably described water-ground limestone is 400 orders; Preferably described water reducer is the one in sulfamate, Fatty sulphonates or poly-hydroxy acid water reducer; Preferably described water-holding agent is the one in water soluble ethoxyl ether of cellulose or methyl cellulose ether powder; Preferably described hardening accelerator is the one in calcium chloride hardening accelerator, sodium sulfate hardening accelerator or trolamine hardening accelerator.
Present invention also offers the preparation method of above-mentioned half-flexible pavement slurry material, there is the premium propertiess such as mobility is high, morning is strong, lower shrinkage.
To achieve these goals, technical scheme of the present invention is: a kind of preparation method of half-flexible pavement slurry material, it is characterized in that: A, take slurry material raw material by weight percentage, the mass percent that its raw material composition and component account for raw material total amount is as follows: P.O.42.5 cement 25 ~ 29%, emulsified bitumen 8 ~ 10%, silica sand 35 ~ 38%, breeze 20 ~ 23%, water-ground limestone 6 ~ 8%, water reducer 0.32 ~ 0.34%, water-holding agent 0.011 ~ 0.013%, hardening accelerator 0.33 ~ 0.36%; B, throw in various material according to the order of emulsified bitumen, cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, mix 1 ~ 2min, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry, water accounts for 30 ~ 35% of slurry material mass percent.
Another object of the present invention is the exploitation another kind of half-flexible pavement half-flexible pavement slurry material with premium propertiess such as mobility is high, morning is strong, lower shrinkage.
To achieve these goals, technical scheme of the present invention is: a kind of half-flexible pavement slurry material, is characterized in that: the mass percent that its raw material composition and component account for raw material total amount is as follows:
P.O.42.5 cement 25 ~ 29%
Latex 8 ~ 10%
Silica sand 35 ~ 38%
Breeze 20 ~ 23%
Water-ground limestone 6 ~ 8%
Water reducer 0.32 ~ 0.34%
Water-holding agent 0.011 ~ 0.013%
Hardening accelerator 0.33 ~ 0.36%
Described latex is preferably the one in polybutadiene latex or styrene-butadiene latex; Preferably described silica sand is 70 ~ 120 orders; The percent of pass that preferred described breeze hydrophilic coefficient is not more than 1,0.6mm is 100%; Preferably described water-ground limestone is 400 orders; Preferably described water reducer is the one in sulfamate, Fatty sulphonates or poly-hydroxy acid water reducer; Preferably described water-holding agent is the one in water soluble ethoxyl ether of cellulose or methyl cellulose ether powder; Preferably described hardening accelerator is the one in calcium chloride hardening accelerator, sodium sulfate hardening accelerator or trolamine hardening accelerator.
Present invention also offers the preparation method of above-mentioned half-flexible pavement slurry material, there is the premium propertiess such as mobility is high, morning is strong, lower shrinkage.
To achieve these goals, technical scheme of the present invention is as follows: a kind of preparation method of half-flexible pavement slurry material, it is characterized in that: A, take slurry material raw material by weight percentage, the mass percent that its raw material composition and component account for raw material total amount is as follows: P.O.42.5 cement 25 ~ 29%, latex 8 ~ 10%, silica sand 35 ~ 38%, breeze 20 ~ 23%, water-ground limestone 6 ~ 8%, water reducer 0.32 ~ 0.34%, water-holding agent 0.011 ~ 0.013%, hardening accelerator 0.33 ~ 0.36%; B, first by latex with suitable quantity of water dispersion after, various material is thrown according to the order of cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, mix 1 ~ 2min, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry, water accounts for 30 ~ 35% of slurry material mass percent.
Polyalcohol cement basis slurry material prepared by the present invention, has the advantages such as high workability, early strong, high-strength, low temperature ungauged regions, presetting period regulation range large, good operability, can as the slurry material of half-flexible pavement.
Embodiment
Embodiment 1:
A kind of preparation method of half-flexible pavement polyalcohol cement basis slurry material is:
Step 1: take slurry material starting material by weight percentage, P.O.42.5 cement 25.2%, anionic emulsified bitumen 10%, silica sand 36.599%, breeze 20.5%, water-ground limestone 7%, sulfamate 0.33%, water soluble ethoxyl ether of cellulose 0.011%, calcium chloride 0.36%.
Step 2: throw in various material according to the order of emulsified bitumen, cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator.Should by other materials mix 1 ~ 2min before adding water, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry.Tap water accounts for 31.5% of slurry material mass percent.
Embodiment 2:
Step 1: take slurry material starting material by weight percentage, P.O.42.5 cement 27%, anionic emulsified bitumen 8.918%, silica sand 36.4%, breeze 21%, water-ground limestone 6%, sulfamate 0.33%, water soluble ethoxyl ether of cellulose 0.012%, calcium chloride 0.34%.
Step 2: throw in various material according to the order of emulsified bitumen, cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, water.Should by other materials mix 1 ~ 2min before adding water, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry.Tap water accounts for 34.2% of slurry material mass percent.
Embodiment 3:
Step 1: take slurry material starting material by weight percentage, P.O.42.5 cement 26.5%, anionic emulsified bitumen 8.5%, silica sand 36.297%, breeze 22%, water-ground limestone 6%, sulfamate 0.34%, water soluble ethoxyl ether of cellulose 0.013%, calcium chloride 0.35%.
Step 2: throw in various material according to the order of emulsified bitumen, cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, water.Should by other materials mix 1 ~ 2min before adding water, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry.Tap water accounts for 32.6% of slurry material mass percent.
Embodiment 4:
Step 1: take slurry material starting material by weight percentage, P.O.42.5 cement 28%, anionic emulsified bitumen 8%, silica sand 37.308%, breeze 20%, water-ground limestone 6%, sulfamate 0.33%, water soluble ethoxyl ether of cellulose 0.012%, calcium chloride 0.35%.
Step 2: throw in various material according to the order of emulsified bitumen, cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, water.Should by other materials mix 1 ~ 2min before adding water, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry.Tap water accounts for 33.3% of slurry material mass percent.
The every technical feature test result of example 1 ~ 4 is as following table:
Embodiment 5:
Step 1: take slurry material raw material by weight percentage, the mass percent that its raw material composition and component account for raw material total amount is as follows: P.O.42.5 cement 29%, latex 8%, silica sand 35.308%, breeze 20%, water-ground limestone 7%, water reducer 0.33%, water-holding agent 0.012%, hardening accelerator 0.35%;
Step 2: after first latex being disperseed by suitable quantity of water, various material is thrown according to the order of cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, water, should by other materials mix 1 ~ 2min before adding water, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry, water accounts for 35% of polyalcohol cement basis slurry material mass percent.Weight for the water of dispersed latex also calculates in the water yield accounting for slurry material mass percent 35%.
Embodiment 6:
Step 1: take slurry material raw material by weight percentage, the mass percent that its raw material composition and component account for raw material total amount is as follows: P.O.42.5 cement 28%, latex 8%, silica sand 35.338%, breeze 20%, water-ground limestone 8%, water reducer 0.32%, water-holding agent 0.012%, hardening accelerator 0.33%;
Step 2: after first latex being disperseed by suitable quantity of water, various material is thrown according to the order of cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, water, should by other materials mix 1 ~ 2min before adding water, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry, water accounts for 33% of polyalcohol cement basis slurry material mass percent.Weight for the water of dispersed latex also calculates in the water yield accounting for slurry material mass percent 33%.
Claims (7)
1. a half-flexible pavement slurry material, is characterized in that: the mass percent that its raw material composition and component account for raw material total amount is as follows:
P.O.42.5 cement 25 ~ 29%
Anionic emulsified bitumen 8 ~ 10%
Silica sand 35 ~ 38%
Breeze 20 ~ 23%
Water-ground limestone 6 ~ 8%
Water reducer 0.32 ~ 0.34%
Water-holding agent 0.011 ~ 0.013%
Hardening accelerator 0.33 ~ 0.36%.
2. a kind of half-flexible pavement slurry material according to claim 1, is characterized in that: described emulsified bitumen is anionic emulsified bitumen; Described silica sand is 70 ~ 120 orders; The percent of pass that described breeze hydrophilic coefficient is not more than 1,0.6mm is 100%; Water-ground limestone is 400 orders.
3. a kind of half-flexible pavement slurry material according to claim 1, is characterized in that: described water reducer is the one in sulfamate, Fatty sulphonates or poly-hydroxy acid water reducer; Described water-holding agent is the one in water soluble ethoxyl ether of cellulose or methyl cellulose ether powder; Described hardening accelerator is the one in calcium chloride hardening accelerator, sodium sulfate hardening accelerator or trolamine hardening accelerator.
4. the preparation method of a half-flexible pavement slurry material, it is characterized in that: A, take slurry material raw material by weight percentage, the mass percent that its raw material composition and component account for raw material total amount is as follows: P.O.42.5 cement 25 ~ 29%, emulsified bitumen 8 ~ 10%, silica sand 35 ~ 38%, breeze 20 ~ 23%, water-ground limestone 6 ~ 8%, water reducer 0.32 ~ 0.34%, water-holding agent 0.011 ~ 0.013%, hardening accelerator 0.33 ~ 0.36%; B, throw in various material according to the order of emulsified bitumen, cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, mix 1 ~ 2min, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry, water accounts for 30 ~ 35% of slurry material mass percent.
5. a half-flexible pavement slurry material, is characterized in that: the mass percent that its raw material composition and component account for raw material total amount is as follows:
P.O.42.5 cement 25 ~ 29%
Latex 8 ~ 10%
Silica sand 35 ~ 38%
Breeze 20 ~ 23%
Water-ground limestone 6 ~ 8%
Water reducer 0.32 ~ 0.34%
Water-holding agent 0.011 ~ 0.013%
Hardening accelerator 0.33 ~ 0.36%.
6. a kind of half-flexible pavement slurry material according to claim 5, is characterized in that: described latex is the one in polybutadiene latex or styrene-butadiene latex; Described silica sand is 70 ~ 120 orders; The percent of pass that described breeze hydrophilic coefficient is not more than 1,0.6mm is 100%; Described water-ground limestone is 400 orders; Described water reducer is the one in sulfamate, Fatty sulphonates or poly-hydroxy acid water reducer; Described water-holding agent is the one in water soluble ethoxyl ether of cellulose or methyl cellulose ether powder; Described hardening accelerator is the one in calcium chloride hardening accelerator, sodium sulfate hardening accelerator or trolamine hardening accelerator.
7. the preparation method of a half-flexible pavement slurry material, it is characterized in that: A, take slurry material raw material by weight percentage, the mass percent that its raw material composition and component account for raw material total amount is as follows: P.O.42.5 cement 25 ~ 29%, latex 8 ~ 10%, silica sand 35 ~ 38%, breeze 20 ~ 23%, water-ground limestone 6 ~ 8%, water reducer 0.32 ~ 0.34%, water-holding agent 0.011 ~ 0.013%, hardening accelerator 0.33 ~ 0.36%; B, first by latex with suitable quantity of water dispersion after, various material is thrown according to the order of cement, silica sand, breeze, water-ground limestone, water reducer, water-holding agent, hardening accelerator, mix 1 ~ 2min, add water and mix and stir 2 ~ 3min again and namely can be made into cement slurry, water accounts for 30 ~ 35% of slurry material mass percent.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104909667A (en) * | 2015-06-11 | 2015-09-16 | 中建材中岩科技有限公司 | Water-retaining semi-flexible composite pavement injection material and preparation method thereof |
CN105016678A (en) * | 2015-07-08 | 2015-11-04 | 水利部交通运输部国家能源局南京水利科学研究院 | High-early-strength cement-based filling material for semi-flexible composite pavements |
CN106468104A (en) * | 2016-09-07 | 2017-03-01 | 西安建筑科技大学 | A kind of steel fiber reinforced concrete and its construction method reinforcing precast floor slab |
CN110395958A (en) * | 2019-07-24 | 2019-11-01 | 内蒙古高远工程科技发展有限公司 | A kind of asphalt concrete pavement semi-flexible perfusion slurry and preparation method thereof |
CN112252107A (en) * | 2020-10-12 | 2021-01-22 | 上海市市政规划设计研究院有限公司 | Semi-flexible pavement material based on hot recycled asphalt mixture and construction method thereof |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104909667A (en) * | 2015-06-11 | 2015-09-16 | 中建材中岩科技有限公司 | Water-retaining semi-flexible composite pavement injection material and preparation method thereof |
CN105016678A (en) * | 2015-07-08 | 2015-11-04 | 水利部交通运输部国家能源局南京水利科学研究院 | High-early-strength cement-based filling material for semi-flexible composite pavements |
CN105016678B (en) * | 2015-07-08 | 2017-01-18 | 水利部交通运输部国家能源局南京水利科学研究院 | High-early-strength cement-based filling material for semi-flexible composite pavements |
CN106468104A (en) * | 2016-09-07 | 2017-03-01 | 西安建筑科技大学 | A kind of steel fiber reinforced concrete and its construction method reinforcing precast floor slab |
CN110395958A (en) * | 2019-07-24 | 2019-11-01 | 内蒙古高远工程科技发展有限公司 | A kind of asphalt concrete pavement semi-flexible perfusion slurry and preparation method thereof |
CN112252107A (en) * | 2020-10-12 | 2021-01-22 | 上海市市政规划设计研究院有限公司 | Semi-flexible pavement material based on hot recycled asphalt mixture and construction method thereof |
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Application publication date: 20150610 |