CN106892630B - Cement Concrete Pavement Reconstruction material and preparation method thereof - Google Patents
Cement Concrete Pavement Reconstruction material and preparation method thereof Download PDFInfo
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- CN106892630B CN106892630B CN201710078864.9A CN201710078864A CN106892630B CN 106892630 B CN106892630 B CN 106892630B CN 201710078864 A CN201710078864 A CN 201710078864A CN 106892630 B CN106892630 B CN 106892630B
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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
- C04B28/06—Aluminous cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
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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 Paving Structures (AREA)
Abstract
The invention discloses a kind of Cement Concrete Pavement Reconstruction materials, are made of the raw material of following parts by weight：35~60 parts of portland cement；12~20 parts of high alumina cement；3~6 parts of weld crete；20~30 parts of fine sand；12~16 parts of lime stone；1~2 part of desulfurated plaster；2~4 parts of rubber powder；0.8~1.2 part of additive；14~18 parts of pure water.The present invention can increase the caking property of cement using rubber powder, enhance the intensity at new and old position, and improve early stage flexural strength, make the filament that cement pavement is generated in the support for having flexural strength in early days, cohesion that can build bridge between mortar and matrix, form mechanical adhesion, substantially increase the adhesion strength of polymer mortar, the present invention mixes extraordinary high alumina cement in common portland cement simultaneously, can increase the early strength of mortar, and add in gypsum to alleviate the setting time of blended cement.
Description
Technical field
The present invention relates to technical field of roadway maintenance, and in particular to a kind of Cement Concrete Pavement Reconstruction material and its preparation
Method.
Background technology
The maintenance of road is all the time one of important topic in current field of road, and wherein cement mixes
Solidifying soil surface is even more an important pavement structure form in China's road construction.But with the growth of time, Hen Duoshui
Cement concrete terminal plate, cracking phenomena are very serious, and due to being corroded by rainwater at cracking, pavement damage constantly expands
Greatly, the cost for excavating reconstruction is very high, it is therefore necessary to which distressed pavements are repaired.Traditional patching material has pitch or resin
Deng, but melting point is low, intensity is low, frangible brittle, and the cohesive force of resin is not strong, and it is easy to fall off, it is ineffective, and it is solid
The contraction of both longer materials of change time and concrete material, dilatancy differ greatly, and are easy to cause repairing failure, are
This, we have proposed a kind of Cement Concrete Pavement Reconstruction materials and preparation method thereof to come into operation, to solve the above problems.
Invention content
It is existing to solve the purpose of the present invention is to provide a kind of Cement Concrete Pavement Reconstruction material and preparation method thereof
Patching material melting point in technology is low, intensity is low, frangible brittle, the cohesive force of resin is strong, it is easy to fall off, ineffective,
Hardening time is longer, and the contraction of both materials and concrete material, dilatancy differ greatly, and is easy to cause repairing failure
The problem of.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of Cement Concrete Pavement Reconstruction material is designed, is made of the raw material of following parts by weight：Portland cement 35~
60 parts；12~20 parts of high alumina cement；3~6 parts of weld crete；20~30 parts of fine sand；12~16 parts of lime stone；Desulfurated plaster
1~2 part；2~4 parts of rubber powder；0.8~1.2 part of additive；14~18 parts of pure water.
Preferably, the weld crete is the mixed of hydraulic cementing materials, cement intensifier and aluminate coupling agent
Object is closed, the wherein ratio of hydraulic cementing materials, cement intensifier and aluminate coupling agent is 3:1.5:0.7.
Preferably, the lime stone is after crushing and screening is handled, and grain size is the limestone particle of 5~25mm.
Preferably, the fineness modulus of the fine sand is between 2.2~2.4.
Preferably, the rubber powder is 5010N type latex powders.
Preferably, the additive is curing agent and the mixture of adjustable solidification agent, and the ratio of wherein curing agent and adjustable solidification agent is
1:1.7, wherein curing agent is concrete hardener, and adjustable solidification agent is cement adjustable solidification agent.
The invention further relates to a kind of preparation methods of above-mentioned Cement Concrete Pavement Reconstruction material, include the following steps：
（1）Each raw material is chosen according to above-mentioned raw materials proportioning；After the portland cement and high alumina cement are mixed, it is put into and stirs
It mixes and mechanical agitation is carried out in machine, and pure water is added in whipping process；
（2）To step（1）The lime stone, fine sand and desulfurated plaster are added in the mixed liquor of gained, continues machinery
20~30min is stirred, is uniformly mixed it, forms primary mortar；
（3）To step（2）The weld crete is added in the primary mortar of gained and continues to stir, then adds in institute
Rubber powder and additive are stated, after continuing 15~20min of mechanical agitation, prepares the Cement Concrete Pavement Reconstruction material.
Preferably, the step（1）In, the additive amount of pure water is 14~18 parts, and adjusted according to the dilution of mortar
Whole, wherein the dilution of mortar is determined according to the area and former road surface hardness level on repairing road surface.
Preferably, the step（3）In, in addition weld crete and after stirring a period of time, observe in blender
Mortar have bubble-free, stop stirring if having bubble generation, continue to stir after bubble collapse, and add rubber powder and additional
Agent.
The beneficial effects of the present invention are：
Cement Concrete Pavement Reconstruction material of the present invention can increase the caking property of cement using rubber powder, enhance new and old position
Bond strength, and improve early stage flexural strength, cement pavement made to reduce connecting portion in the support for having flexural strength in early days
The possibility that early stage disengages, selected raw material rubber powder are spread with easily being stirred evenly after cement mixing, when adding the analysis of water post-consumer polymer
Ability enhances, and penetrates into the pore on base material surface, crack, gap is blocked, the filament energy that when cohesion generates
It builds bridge between mortar and matrix, forms mechanical adhesion, while polymer film and hydrolysis product of cement, aggregate etc. firmly bond
It is integral, the adhesion strength of polymer mortar is substantially increased, while the present invention mixes special type in common portland cement
High alumina cement, the early strength of mortar can be increased, and add in gypsum to alleviate the setting time of blended cement.
Description of the drawings
Fig. 1 is the process flow chart of Cement Concrete Pavement Reconstruction material preparation method of the present invention.
Specific embodiment
Illustrate the specific embodiment of the present invention with reference to embodiment, but following embodiment is used only to be described in detail
The present invention does not limit the scope of the invention in any way.The involved raw material of industry such as nothing is especially said in the examples below
It is bright, it is commercially available regular industrial raw material.
Embodiment one：A kind of Cement Concrete Pavement Reconstruction material, is made of the raw material of following parts by weight：Portland cement
35 parts；12 parts of high alumina cement；3 parts of weld crete, the weld crete for hydraulic cementing materials, cement intensifier and
The ratio of the mixture of aluminate coupling agent, wherein hydraulic cementing materials, cement intensifier and aluminate coupling agent is 3:
1.5:0.7；20 parts of fine sand, the fineness modulus of fine sand is between 2.2；12 parts of lime stone, lime stone is handled by crushing and screening
Afterwards, the limestone particle of 25mm grain sizes is chosen；1 part of desulfurated plaster；2 parts of rubber powder is 5010N type latex powders；0.8 part of additive,
The additive is curing agent and the mixture of adjustable solidification agent, and the wherein ratio of curing agent and adjustable solidification agent is 1:1.7, wherein curing agent is
Concrete hardener, adjustable solidification agent are cement adjustable solidification agent；14 parts of pure water.
The preparation method of the Cement Concrete Pavement Reconstruction material includes the following steps：
（1）Each raw material is chosen according to the parts by weight described in embodiment one；The portland cement and high alumina cement are mixed
Afterwards, it being put into blender and carries out mechanical agitation, and suitable pure water is added in whipping process, amount of water is 14 parts, and according to
The dilution of mortar is adjusted；
（2）To step（1）The lime stone, fine sand and desulfurated plaster are added in the mixed liquor of gained, continues machinery
20min is stirred, is uniformly mixed it, forms primary mortar；
（3）To step（2）The weld crete is added in the primary mortar of gained and continues to stir, in addition coagulation
Native binding agent and after stirring a period of time, the mortar observed in blender has bubble-free, stops stirring if having bubble generation, treat
Then continue to stir, and add rubber powder and additive after bubble collapse, after being further continued for mechanical agitation 15min, prepare the cement and mix
Solidifying soil surface patching material.
Embodiment two：A kind of Cement Concrete Pavement Reconstruction material, the difference lies in by following heavy with embodiment 1
The raw material of amount part is made：60 parts of portland cement；20 parts of high alumina cement；6 parts of weld crete；30 parts of fine sand, fine sand it is thin
It is 2.4 to spend modulus；16 parts of lime stone, lime stone are the limestone particle of the 15mm grain sizes of selection after crushing and screening is handled；
2 parts of desulfurated plaster；4 parts of rubber powder；1.2 parts of additive；18 parts of pure water.
The preparation method of the Cement Concrete Pavement Reconstruction material includes the following steps：
（1）Each raw material is chosen according to the parts by weight described in embodiment two；The portland cement and high alumina cement are mixed
Afterwards, it being put into blender and carries out mechanical agitation, and suitable pure water is added in whipping process, amount of water is 18 parts, and according to
The dilution of mortar is adjusted；
（2）To step（1）The lime stone, fine sand and desulfurated plaster are added in the mixed liquor of gained, continues machinery
30min is stirred, is uniformly mixed it, forms primary mortar；
（3）To step（2）The weld crete is added in the primary mortar of gained and continues to stir, in addition coagulation
Native binding agent and after stirring a period of time, the mortar observed in blender has bubble-free, stops stirring if having bubble generation, treat
Then continue to stir, and add rubber powder and additive after bubble collapse, after being further continued for mechanical agitation 20min, prepare the cement and mix
Solidifying soil surface patching material.
Embodiment three：A kind of Cement Concrete Pavement Reconstruction material, the difference lies in by following heavy with embodiment 1
The raw material of amount part is made：50 parts of portland cement；16 parts of high alumina cement；4 parts of weld crete；25 parts of fine sand, fine sand it is thin
It is 2.3 to spend modulus；13 parts of lime stone, lime stone are the limestone particle of the 5mm grain sizes of selection after crushing and screening is handled；
1.5 parts of desulfurated plaster；3 parts of rubber powder；1 part of additive；Pure water：16 parts.
The preparation method of the Cement Concrete Pavement Reconstruction material includes the following steps：
（1）Each raw material is chosen according to the parts by weight described in embodiment three；The portland cement and high alumina cement are mixed
Afterwards, it being put into blender and carries out mechanical agitation, and suitable pure water is added in whipping process, amount of water is 16 parts, and according to
The dilution of mortar is adjusted；
（2）To step（1）The lime stone, fine sand and desulfurated plaster are added in the mixed liquor of gained, continues machinery
25min is stirred, is uniformly mixed it, forms primary mortar；
（3）To step（2）The weld crete is added in the primary mortar of gained and continues to stir, in addition coagulation
Native binding agent and after stirring a period of time, the mortar observed in blender has bubble-free, stops stirring if having bubble generation, treat
Then continue to stir, and add rubber powder and additive after bubble collapse, after being further continued for mechanical agitation 18min, prepare the cement and mix
Solidifying soil surface patching material.
Setting time, coagulation and the adhesion strength of Cement Concrete Pavement Reconstruction material in three above embodiment are pressed
Conventional method is detected experiment, and result of the test see the table below 1.
Cement Concrete Pavement Reconstruction testing of materials Comparative result in 1 embodiment of table.
The present invention is using broken lime stone as aggregate, such as the thickness≤15cm at pavement patching position, the maximum grain of aggregate
Diameter selects 25mm hereinafter, reducing the use of bulky grain aggregate to the greatest extent, because little particle homogeneity is preferable, cement slurry and single stone
Transition zone perimeter and thickness it is all small, it is difficult to form the defects of big, be conducive to the raising of boundary strength, in summary embodiment institute
It states, highly preferred embodiment of the present invention is embodiment three, and watering quantity is best at 16 parts, and the mortar early strength prepared is high.
The present invention is described in detail above in conjunction with embodiment, still, person of ordinary skill in the field can
Understand, under the premise of present inventive concept is not departed from, each design parameter in above-described embodiment can also be changed, shape
Into multiple specific embodiments, it is the common variation range of the present invention, is no longer described in detail one by one herein.
Claims (8)
1. a kind of Cement Concrete Pavement Reconstruction material, which is characterized in that be made of the raw material of following parts by weight：
35~60 parts of portland cement；12~20 parts of high alumina cement；3~6 parts of weld crete；20~30 parts of fine sand；Lime
12~16 parts of stone；1~2 part of desulfurated plaster；2~4 parts of rubber powder；0.8~1.2 part of the mixture of curing agent and adjustable solidification agent；Pure water 14
~18 parts；
The weld crete is the mixture of hydraulic cementing materials, cement intensifier and aluminate coupling agent, wherein water
The ratio of hydraulic cement, cement intensifier and aluminate coupling agent is 3:1.5:0.7.
2. Cement Concrete Pavement Reconstruction material according to claim 1, which is characterized in that the lime stone is by broken
After broken screening process, grain size is the limestone particle of 5~25mm.
3. Cement Concrete Pavement Reconstruction material according to claim 1, which is characterized in that the fineness modulus of the fine sand
Between 2.2~2.4.
4. Cement Concrete Pavement Reconstruction material according to claim 1, which is characterized in that the rubber powder is 5010N types
Latex powder.
5. Cement Concrete Pavement Reconstruction material according to claim 1, which is characterized in that the curing agent and adjustable solidification agent
Ratio be 1:1.7, wherein curing agent is concrete hardener, and adjustable solidification agent is cement adjustable solidification agent.
6. the preparation method of Cement Concrete Pavement Reconstruction material described in a kind of claim 1, which is characterized in that including following step
Suddenly：
（1）Parts by weight described in accordance with the claim 1 choose each raw material；The portland cement and high alumina cement are mixed
Afterwards, it is put into blender and carries out mechanical agitation, and pure water is added in whipping process；
（2）To step（1）The lime stone, fine sand and desulfurated plaster are added in the mixed liquor of gained, continues mechanical agitation
20~30min is uniformly mixed it, forms primary mortar；
（3）To step（2）The weld crete is added in the primary mortar of gained and continues to stir, then adds in the glue
Powder and additive after continuing 15~20min of mechanical agitation, prepare the Cement Concrete Pavement Reconstruction material.
7. the preparation method of Cement Concrete Pavement Reconstruction material according to claim 6, which is characterized in that the step
（1）In, the additive amount of pure water is 14~18 parts, and is adjusted according to the dilution of mortar, wherein the dilution of mortar according to
The area and former road surface hardness level for repairing road surface are determined.
8. the preparation method of Cement Concrete Pavement Reconstruction material according to claim 6, which is characterized in that the step
（3）In, in addition weld crete and after stirring a period of time, the mortar observed in blender has bubble-free, if there is bubble
Generation then stops stirring, and then continues to stir, and add rubber powder and additive after bubble collapse.
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| CN201710078864.9A CN106892630B (en) | 2017-02-14 | 2017-02-14 | Cement Concrete Pavement Reconstruction material and preparation method thereof |
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| CN106892630B true CN106892630B (en) | 2018-06-08 |
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| CN110792180B (en) * | 2019-11-15 | 2021-02-23 | 广东工程职业技术学院 | Damp-proof construction method for toilet |
| CN111470835A (en) * | 2020-06-03 | 2020-07-31 | 杭州市城市建设基础工程有限公司 | Method and process for repairing concrete cracks in road and bridge construction |
| CN113815092A (en) * | 2021-08-25 | 2021-12-21 | 东莞市建安住宅工业有限公司 | Repair method for factory edge and foot dropping of prefabricated plate component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100873391B1 (en) * | 2008-08-08 | 2008-12-11 | 주식회사 홍서이엔씨 | Quick-hardening concrete composite, manufacturing method thereof and repairing method for concrete pavement using the concrete composite |
| CN101844907A (en) * | 2010-05-07 | 2010-09-29 | 武汉理工大学 | Self-expansion type high-flow regime quick-hardening early-strength repairing grouting material |
| CN101913827A (en) * | 2010-08-26 | 2010-12-15 | 卢建华 | Waterproof and anti-corrosion repair mortar for polymer cement-based concrete structure |
| CN102826813A (en) * | 2012-09-04 | 2012-12-19 | 同济大学 | Low-temperature quick repair mortar for pavement and preparation method for low-temperature quick repair mortar |
-
2017
- 2017-02-14 CN CN201710078864.9A patent/CN106892630B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100873391B1 (en) * | 2008-08-08 | 2008-12-11 | 주식회사 홍서이엔씨 | Quick-hardening concrete composite, manufacturing method thereof and repairing method for concrete pavement using the concrete composite |
| CN101844907A (en) * | 2010-05-07 | 2010-09-29 | 武汉理工大学 | Self-expansion type high-flow regime quick-hardening early-strength repairing grouting material |
| CN101913827A (en) * | 2010-08-26 | 2010-12-15 | 卢建华 | Waterproof and anti-corrosion repair mortar for polymer cement-based concrete structure |
| CN102826813A (en) * | 2012-09-04 | 2012-12-19 | 同济大学 | Low-temperature quick repair mortar for pavement and preparation method for low-temperature quick repair mortar |
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