CN1844030A - Quick repairing agent for cement concrete - Google Patents
Quick repairing agent for cement concrete Download PDFInfo
- Publication number
- CN1844030A CN1844030A CNA2006100400584A CN200610040058A CN1844030A CN 1844030 A CN1844030 A CN 1844030A CN A2006100400584 A CNA2006100400584 A CN A2006100400584A CN 200610040058 A CN200610040058 A CN 200610040058A CN 1844030 A CN1844030 A CN 1844030A
- Authority
- CN
- China
- Prior art keywords
- component
- repairing agent
- cement concrete
- concrete
- cement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 39
- 239000004568 cement Substances 0.000 title claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 229940037003 alum Drugs 0.000 claims abstract description 7
- 229910052925 anhydrite Inorganic materials 0.000 claims abstract description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 7
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004575 stone Substances 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 235000013312 flour Nutrition 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- 229940056729 sodium sulfate anhydrous Drugs 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
- 239000010883 coal ash Substances 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 239000010446 mirabilite Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 230000008439 repair process Effects 0.000 description 14
- 230000015271 coagulation Effects 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 241000282693 Cercopithecidae Species 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 239000011157 advanced composite material Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011388 polymer cement concrete Substances 0.000 description 1
- 239000011433 polymer cement mortar Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a cement concrete quick-speed mending agent comprising the main constituents of refined mirabilite 2-25%, high-alumina cement clinker aggregate 0-70%, anhydrite 10-50%, alum stone powder 2-35%, naphthalenesulfonic acid formaldehyde condensation polymer 2-10%, and coal ash 0-40%.
Description
Technical field
The present invention relates to a kind of quick reinforcement of building structure that is used for, the underground concrete structure seepage is repaired, the fast repairing agent of the rapid construction of engineerings such as cement concrete pavement, bridge floor, urban construction, airfield runway, parking lot, harbour, harbour belongs to building material technical field.
Background technology
Cement concrete is one of artificial material that contemporary purposes is the widest, consumption is maximum.Damaging can appear in the life-time service process in concrete structure inevitably, in addition, because design and construction is unreasonable, makes that destroying appears in a lot of concrete structures in advance.And repair fast for requirement of engineering such as the cement concrete pavement that damages, urban operating mechanism, airfield runway, parking lot, harbour, harbours.Adopt normal concrete to repair, have shortcomings such as strength development is slow, the repairing curing time is long, the new-old concrete cohesive strength is low; Bituminous concrete is repaired cement concrete pavement and is had that road intensity is inhomogeneous, load transfer is inconsistent, work-ing life is short, influences surface evenness, reduces surperficial functions of use and shortcoming such as not attractive in appearance; Though the development of the intensity of special cements such as high-alumina cement, sulplo-aluminate and fluoaluminate is very fast, but the retraction of high-alumina cement later strength is serious, sulplo-aluminate, fluoroaluminate cement are too short time of coagulation, generally higher to construction requirement, and special cement is limited by the place of production, and long-distance transport can increase repairs cost; Polymer cement mortar and concrete exist time of coagulation short, workability is poor, loss of properties on aging, problem such as cost an arm and a leg, thereby also be restricted in the use.And the composite repair agent has production, easy to use, low price, and it is compound to satisfy the advantage that aspects such as intensity, time of coagulation, contraction, weather resistance require to adopt multiple function ingredients to carry out.But existing composite repair agent product mostly is difficult to satisfy the requirement that 4h is open to traffic after the pavement patching, but also shortcoming such as ubiquity time of coagulation is short, workability is poor, contraction is big, the new-old concrete cohesive strength is low, poor durability, later strength retraction are serious.
Therefore, have good workability for the cement concrete constructions that damages being repaired fast and effectively, need further being developed, early strength height, later strength development stability, rapid hardening firmly and not soon, shrink little, good endurance, and starting material are easy to get production and fast repairing agent easy to use.
Summary of the invention
The technical problem to be solved in the present invention be exactly the strength development that exists of existing cement concrete patching material slowly, shrink defectives such as big, that time of coagulation is short, workability is poor, the later strength retraction is serious.
For solving the problems of the technologies described above, the present invention adopts organic and inorganic combining, multi-functional, multiple class component composite methods, make have good workability, early strength height, later strength development stability, rapid hardening firmly and not soon, shrink little, good endurance, and starting material are easy to get production and fast repairing agent easy to use.
Component of the present invention and mass percent thereof are:
Component 1: Sodium sulfate anhydrous.min(99), 2%～25%;
Component 2: high aluminium cement clinker, 0%～70%;
Component 3: anhydrite, 10%～50%;
Component 4: alum stone flour, 2%～35%;
Component 5: the senior condenses of naphthalene sulphonate formaldehyde, 2%～10%;
Component 6: flyash, 0%～40%;
The major control index of each component is as follows:
Na in the component 1
2SO
4Content＞98%, 0.08mm tails over＜6%.
Al in the component 2
2O
3Content＞45%, CaO content＞25%, 0.08mm tails over＜8%.
SO in the component 3
3Content＞50%.
Al in the component 4
2O
3Content＞16%, 0.08mm tails over＜8%, water ratio＜3%.
The water-reducing rate of component 5＞20%, solid volume are 0.5%, air content＜3%, Na
2SO
4＜5%.
The loss on ignition of component 6≤5%, water demand ratio≤95%, 0.045mm tails over≤10%.
The present invention is a quick repairing agent for cement concrete, system is based on the advanced composite material of inorganic materials, its Main Feature is: Rapid Repair Concrete early strength height, the not retraction of later strength that prepare with the present invention (1), Rapid Repair Concrete 4h folding strength 〉=3.5MPa, ultimate compression strength 〉=30MPa, and can be according to the actual needs of engineering, the relative proportion of suitably adjusting its component can make the different fast repairing agent of early strength; (2) Rapid Repair Concrete with the present invention's preparation has soon rapid hardening firmly and not, time of coagulation 〉=1h, and the slump 〉=3cm can satisfy construction requirement well; (3) Rapid Repair Concrete with the present invention's preparation has microdilatancy performance (see figure 1) in early days, and the later stage shrinks little, 28d contract with dry rate≤180 * 10
-6(4) Rapid Repair Concrete and the old concrete cohesive force with the present invention's preparation is strong, generally can reach 80% of concrete block shear; (5) with the Rapid Repair Concrete good endurance of the present invention's preparation, its freeze proof grade can reach F250, unit surface abrasion loss＜1.5kg/m
2(6) adaptability of the present invention and cement is good, with the Rapid Repair Concrete color and the portland cement concrete basically identical of the present invention's preparation, no significant difference.
Description of drawings
Fig. 1 is the early expansion characteristics with the Rapid Repair Concrete of the present invention's preparation.
Embodiment
Embodiment 1
Component 1: Sodium sulfate anhydrous.min(99), 6%;
Component 2: high aluminium cement clinker, 50%;
Component 3: anhydrite, 27%;
Component 4: alum stone flour, 2%;
Component 5: the senior condenses of naphthalene sulphonate formaldehyde, 5%;
Component 6: flyash, 10%;
Component 1: Sodium sulfate anhydrous.min(99), 3%;
Component 2: high aluminium cement clinker, 70%;
Component 3: anhydrite, 10%;
Component 4: alum stone flour, 10%;
Component 5: the senior condenses of naphthalene sulphonate formaldehyde, 7%;
Component 6: flyash, 0%;
Embodiment 3
Component 1: Sodium sulfate anhydrous.min(99), 23%;
Component 2: high aluminium cement clinker, 0%;
Component 3: anhydrite, 20%;
Component 4: alum stone flour, 14%;
Component 5: the senior condenses of naphthalene sulphonate formaldehyde, 8%;
Component 6: flyash, 35%;
Component 1: Sodium sulfate anhydrous.min(99), 17%;
Component 2: high aluminium cement clinker, 0%;
Component 3: anhydrite, 45%;
Component 4: alum stone flour, 35%;
Component 5: the senior condenses of naphthalene sulphonate formaldehyde, 3%;
Component 6: flyash, 0%;
Component 1～6 can be made the present invention in the ratio uniform mixing of the various embodiments described above, the fast repairing agent that the various embodiments described above are made by 14%～18% outer performance of mixing the Rapid Repair Concrete of preparation in the concrete (proportioning sees Table 1) of cement quality see Table 2, table 3.
Table 1 concrete mix
| Numbering | The healant kind | The cement kind | Proportioning (kg/m 3) | ||||
| Water | Cement | Healant | Sand | Stone | |||
| RC1 | Embodiment 1 | Little wild field P.II52.5 | 167 | 450 | 72 | 561 | 1192 |
| RC2 | | Two monkey board P.O42.5 | 167 | 450 | 72 | 561 | 1192 |
| RC3 | Embodiment 3 | Two monkey board P.O42.5 | 167 | 450 | 72 | 561 | 1192 |
| RC4 | | Two monkey board P.O42.5 | 167 | 450 | 72 | 561 | 1192 |
Table 2 concrete mix performance and early strength
| Numbering | The slump (cm) | Time of coagulation | Anti-folding/ultimate compression strength (MPa) | ||||
| Initial set | Final set | 4h | 8h | 12h | 24h | ||
| RC1 | 3.0 | 1h | 1h40min | 3.8/34.9 | 4.7/38.2 | 5.5/43.5 | 6.2/51.1 |
| RC2 | 4.0 | 1h15min | 2h10min | 1.8/12.7 | 4.0/32.9 | 5.0/39.7 | 5.8/45.6 |
| RC3 | 5.0 | 1h30min | 2h30min | / | 3.2/27.9 | 4.5/35.4 | 6.06/40.3 |
| RC4 | 5.0 | 2h30min | 4h | / | / | 2.3/15.6 | 4.6/37.0 |
Concrete long-term behaviour of table 3 and endurance quality
| Numbering | Unit surface abrasion loss (kg/m 2) | Freeze proof grade | Impervious grade | 28d contract with dry rate (* 10 -6) |
| RC1 | 1.5 | F250 | ＞P20 | 166 |
| RC2 | 1.1 | F250 | ＞P20 | 155 |
| RC3 | 1.3 | F250 | ＞P20 | 170 |
| RC4 | 0.9 | F250 | ＞P20 | 132 |
Claims (7)
1, a kind of super-early strength cement structite is characterized in that its component and mass percent are:
Component 1: Sodium sulfate anhydrous.min(99), 2%～25%;
Component 2: high aluminium cement clinker, 0%～70%;
Component 3: anhydrite, 10%～50%;
Component 4: alum stone flour, 2%～35%;
Component 5: the senior condenses of naphthalene sulphonate formaldehyde, 2%～10%;
Component 6: flyash, 0%～40%;
2, quick repairing agent for cement concrete as claimed in claim 1 is characterized in that the Na in the component 1
2SO
4＞98%, 0.08mm tails over＜6%.
3, quick repairing agent for cement concrete as claimed in claim 1 is characterized in that Al in the component 2
2O
3Content＞45%, CaO content＞25%, 0.08mm tails over＜8%.
4, quick repairing agent for cement concrete as claimed in claim 1 is characterized in that SO in the component 3
3Content＞50%.
5, quick repairing agent for cement concrete as claimed in claim 1 is characterized in that Al in the component 4
2O
3Content＞16%, 0.08mm tails over＜8%, water ratio＜3%.
6, quick repairing agent for cement concrete as claimed in claim 1 is characterized in that water-reducing rate＞20% of component 5, and the solid volume is 0.5%, air content＜3%, Na
2SO
4＜5%.
7, quick repairing agent for cement concrete as claimed in claim 1 is characterized in that loss on ignition≤5% of component 6, water demand ratio≤95%, and 0.045mm tails over≤10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100400584A CN100450966C (en) | 2006-04-30 | 2006-04-30 | Quick repairing agent for cement concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100400584A CN100450966C (en) | 2006-04-30 | 2006-04-30 | Quick repairing agent for cement concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1844030A true CN1844030A (en) | 2006-10-11 |
| CN100450966C CN100450966C (en) | 2009-01-14 |
Family
ID=37063001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100400584A Active CN100450966C (en) | 2006-04-30 | 2006-04-30 | Quick repairing agent for cement concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100450966C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891449A (en) * | 2010-07-20 | 2010-11-24 | 成都天福特种工程材料有限责任公司 | Rapid mending agent for cement concrete pavement |
| CN105218058A (en) * | 2015-11-04 | 2016-01-06 | 江苏名和集团有限公司 | A kind of concrete speed is hammered in slurry healant |
| CN105565740A (en) * | 2015-12-26 | 2016-05-11 | 乔俊擎 | Road and bridge concrete pavement repairing agent and preparation method thereof |
| CN106747133A (en) * | 2016-11-28 | 2017-05-31 | 郑州筑邦建材有限公司 | A kind of severe cold area high ferro pedestal concrete low temperature patching material and its application |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118801A (en) * | 1994-09-13 | 1996-03-20 | 北京市大兴石油化工材料厂 | Epoxy patching agent |
| CN1190387C (en) * | 2003-05-26 | 2005-02-23 | 四川嘉华企业（集团）股份有限公司 | Road rapid mending agent |
| CN1331802C (en) * | 2005-08-11 | 2007-08-15 | 长安大学 | Instant coagulant and mending agent for cement concrete |
| CN1298664C (en) * | 2005-08-11 | 2007-02-07 | 长安大学 | Instant coagulant and mending agent for cement stabilized base |
-
2006
- 2006-04-30 CN CNB2006100400584A patent/CN100450966C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891449A (en) * | 2010-07-20 | 2010-11-24 | 成都天福特种工程材料有限责任公司 | Rapid mending agent for cement concrete pavement |
| CN101891449B (en) * | 2010-07-20 | 2012-11-07 | 成都嘉新科技集团有限公司 | Rapid mending agent for cement concrete pavement |
| CN105218058A (en) * | 2015-11-04 | 2016-01-06 | 江苏名和集团有限公司 | A kind of concrete speed is hammered in slurry healant |
| CN105565740A (en) * | 2015-12-26 | 2016-05-11 | 乔俊擎 | Road and bridge concrete pavement repairing agent and preparation method thereof |
| CN106747133A (en) * | 2016-11-28 | 2017-05-31 | 郑州筑邦建材有限公司 | A kind of severe cold area high ferro pedestal concrete low temperature patching material and its application |
| CN106747133B (en) * | 2016-11-28 | 2019-02-01 | 郑州筑邦建材有限公司 | A kind of severe cold area high-speed rail pedestal concrete low temperature patching material and its application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100450966C (en) | 2009-01-14 |
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|---|---|---|---|
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangyan Bote New Materials Co.,Ltd. Assignor: Jiangsu Bote New Materials Co., Ltd. Contract fulfillment period: 2009.5.16 to 2017.5.15 Contract record no.: 2009320001034 Denomination of invention: Quick repairing agent for cement concrete Granted publication date: 20090114 License type: Exclusive license Record date: 20090629 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.16 TO 2017.5.15; CHANGE OF CONTRACT Name of requester: JIANGYAN BOTE NEW MATERIALS CO., LTD. Effective date: 20090629 |
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Owner name: JIANGSU SUBOTE NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: BOTE NEW MATERIAL CO., LTD., JIANGSU Effective date: 20140512 |
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Address after: 211103 No. 12, Beijing West Road, Gulou District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Subute New Materials Co., Ltd. Address before: No. 59, Wan An West Road, Jiangning District, Nanjing, Jiangsu Patentee before: Jiangsu Subute New Materials Co., Ltd. |
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Effective date of registration: 20190627 Address after: 741024 Shetang Industrial Park, Tianshui Economic and Technological Development Zone, Gansu Province Patentee after: Gansu Huajian New Materials Co., Ltd. Address before: 211103 No. 12, Beijing West Road, Gulou District, Nanjing City, Jiangsu Province Patentee before: Jiangsu Subute New Materials Co., Ltd. |
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Effective date of registration: 20200803 Address after: Jiangning District of Nanjing City, Jiangsu province 210000 Li Quan Lu No. 118 Patentee after: JIANGSU SUBOTE NEW MATERIALS Co.,Ltd. Address before: 741024 Shetang Industrial Park, Tianshui Economic and Technological Development Zone, Gansu Province Patentee before: Gansu Huajian New Materials Co.,Ltd. |
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