CN102060468A - Grout additive - Google Patents
Grout additive Download PDFInfo
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- CN102060468A CN102060468A CN2010105450497A CN201010545049A CN102060468A CN 102060468 A CN102060468 A CN 102060468A CN 2010105450497 A CN2010105450497 A CN 2010105450497A CN 201010545049 A CN201010545049 A CN 201010545049A CN 102060468 A CN102060468 A CN 102060468A
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- CN
- China
- Prior art keywords
- component
- ingredient
- grouting
- admixture according
- grouting admixture
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Classifications
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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
- C04B28/14—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 calcium sulfate 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a grout additive. The grout additive adopts raw materials of 5-10% of water reducing ingredient, 36-60% of expansion ingredient, 5-10% of shrinking ingredient, 0.015-0.03% of water retention ingredient, 0.2-2% of delayed coagulation ingredient, 20-40% of filling ingredient, 0.01-0.05% of lubricating ingredient, 0.005-0.01% of bubble stabilizing ingredient, 0.01-0.02% of regulating ingredient and 0.1-2% of rust resisting ingredient. The grout additive is prepared by adopting the steps of respectively weighing the ingredients by weight percentages and uniformly mixing the ingredients. In the invention, the grout additive has large flowability, large micro expansibility, small flowing degree loss, low pressure bleeding rate, excellent uniformity, excellent filling property, excellent volume stability, moderate air quantity, uniform and fine bubbles, excellent mechanical property and favorable application prospect, does not have bleeding or layering phenomena during setting and does not corrode steel bars.
Description
Technical field
The present invention relates to a kind of material of construction, refer to a kind of grouting admixture and preparation method thereof especially.
Background technology
Grouting material quality is one of important factor that guarantees structure durability, and it requires high flowability and micro-expansibility.In the concrete works of bonded prestress, the quality of grouting quality will directly have influence on the security and the reliability of structure, and the local defect of duct slurry can cause the deterioration and the damage of girder construction, or even lose functions of use, to the operation and the safe adverse influence that causes of construction work.
That cement-based grouting material has is easy to use, intensity is high, good endurance, characteristics such as nuisanceless, that cost is low, the source is wide.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of have low bleeding, microdilatancy and high performance grouting admixture and preparation method thereof.
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of grouting admixture, make by following weight percentages:
Diminishing component: 5-10% expansion component: 36-60%
Reduce component: 5-10% water-retaining component: 0.015-0.03%
Slow setting component: 0.2-2% filling components: 20-40%
Emollient component: 0.01-0.05% surely steeps component: 0.005-0.01%
Regulate component: 0.01-0.02% resistance rust component: 0.1-2%
Described diminishing component is one or both in polyethers poly carboxylic acid or the polyester poly carboxylic acid.
Described expansion component is that lime swelling agent, magnesium oxide are one or more in swelling agent or the sulplo-aluminate class swelling agent, and the alkalinity of swelling agent is less than 0.75% of swelling agent total mass.
The described component of reducing is in alkamine economization agent, polyoxyethylene economization agent or the alkyl Ammonia economization agent one or more.
Described water-retaining component be a kind of in a kind of and Xylo-Mucine, hydroxyethylmethyl-cellulose, Vltra tears or the polyvinyl alcohol in hydroxypropyl two starch phosphate fat or the phosphorylation Staragel 90V according to equal quality than compound product.
Described slow setting component is one or more in sucrose, Sunmorl N 60S, Sodium hexametaphosphate 99, citric acid or the polyalcohols.
Described filling components is one or more in flyash, blast-furnace slag, terra alba, wilkinite, silica flour, dicalcium powder or the kaolin.
Described emollient component is the thixotroping lubricant, and this thixotroping lubricant is a kind of based on montmorillonite silicate, chemical name be chemical name be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O, crystal belong to monoclinic waterbearing stratum platy layer silicate, through 100～200 ℃ of processed, grind the product that the back obtains again.
Described steady bubble component is one or both in polyoxyethylenated alcohol sodium sulfate (AES) or the α-sodium olefin sulfonate (AOS).
Described adjusting component is hexanediamine tetramethyl fork phosphonic acids.
Described resistance rust component is one or more in amine rust inhibitor, carboxylic acid and its esters rust inhibitor, sulfonic acid and its esters rust inhibitor, Sodium Benzoate rust inhibitor or the sodium oxalate rust inhibitor.
By above-mentioned each each component of part by weight weighing, various raw materials are mixed, stir by physical mechanical, get final product described grouting admixture.
Cement slurry behind admixture the present invention the time has good flowability in construction, concrete castability is strong, and characteristics such as have intensity height, antiseepage after the sclerosis, do not shrink are simple to operate, and environmentally safe satisfies the construction requirement of grouting material high flowability and micro-expansibility.Can be applied in the post-tensioned prestressing concrete beam duct grouting material, the large fluidity and the micro-expansibility that can keep injection material to have, and the degree of mobilization loss is little, leaves standstill no bleeding, demixing phenomenon, and the pressure bleeding rate is low, homogeneity, fillibility and volume stability are good, air content is moderate, and bubble is evenly tiny, good mechanical performance, to the reinforcing bar non-corroding, have a good application prospect.
Particularly, the present invention has following advantage:
1, the independent result of use of swelling agent is relatively poor, introduced economization agent carry out composite, can be under plasticity and hardening state compensate for shrinkage effectively, reached the effect of microdilatancy;
2, utilize the thixotroping lubricant to improve the slurry degree of mobilization, avoided the poly carboxylic acid consumption to cross the low less than normal or too high easy bleeding of consumption of degree of mobilization, guarantee that slurry does not have bleeding under high fluidity;
3, use suds-stabilizing agent and conditioning agent to adjust air content, bubble is evenly tiny, good mechanical performance.
In addition, the present invention and each component difference and relative merits such as following table of like product in the market:
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
Diminishing component: 6.43%; Expansion component: 55%; Reduce component: 6.4%; Water-retaining component: 0.02%; Slow setting component: 1.5%; Filling components: 30%; Emollient component: 0.03%; Steady bubble component: 0.008%; Regulate component: 0.012%; Resistance rust component: 0.6%.Wherein, emollient component be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O grinds the product that the back obtains again through 110 ℃ of processed.
With the weight percent of above-mentioned each component according to aforementioned proportion, pour in the stirrer and stir, obtain the admixture that is in the milk.
Wherein:
Described diminishing component is one or both in polyethers poly carboxylic acid or the polyester poly carboxylic acid.
Described expansion component is that lime swelling agent, magnesium oxide are one or more in swelling agent or the sulplo-aluminate class swelling agent, and the alkalinity of swelling agent is less than 0.75% of swelling agent total mass.
The described component of reducing is in alkamine economization agent, polyoxyethylene economization agent or the alkyl Ammonia economization agent one or more.
Described water-retaining component be a kind of in a kind of and Xylo-Mucine, hydroxyethylmethyl-cellulose, Vltra tears or the polyvinyl alcohol in hydroxypropyl two starch phosphate fat or the phosphorylation Staragel 90V according to equal quality than compound product.
Described slow setting component is one or more in sucrose, Sunmorl N 60S, Sodium hexametaphosphate 99, citric acid or the polyalcohols.
Described filling components is one or more in flyash, blast-furnace slag, terra alba, wilkinite, silica flour, dicalcium powder or the kaolin.
Described emollient component is the thixotroping lubricant, and this thixotroping lubricant is a kind of based on montmorillonite silicate, chemical name be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O, crystal belong to monoclinic waterbearing stratum platy layer silicate, through 100～200 ℃ of processed, grind the product that the back obtains again.
Described steady bubble component is one or both in polyoxyethylenated alcohol sodium sulfate (AES) or the α-sodium olefin sulfonate (AOS).
Described adjusting component is hexanediamine tetramethyl fork phosphonic acids.
Described resistance rust component is one or more in amine rust inhibitor, carboxylic acid and its esters rust inhibitor, sulfonic acid and its esters rust inhibitor, Sodium Benzoate rust inhibitor or the sodium oxalate rust inhibitor.
Embodiment 2
Diminishing component: 8.42%; Expansion component: 60%; Reduce component: 9%; Water-retaining component: 0.018%; Slow setting component: 1%; Filling components: 20%; Emollient component: 0.04%; Steady bubble component: 0.009%; Regulate component: 0.013%; Resistance rust component: 1.5%.Wherein, emollient component be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O grinds the product that the back obtains again through 160 ℃ of processed.
Above-mentioned each component mixed according to weight percent make the grouting admixture.
Embodiment 3
Diminishing component: 5.41%; Expansion component: 45%; Reduce component: 8.5%; Water-retaining component: 0.03%; Slow setting component: 0.5%; Filling components: 40%; Emollient component: 0.04%; Steady bubble component: 0.006%; Regulate component: 0.014%; Resistance rust component: 0.5%.Wherein, emollient component be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O grinds the product that the back obtains again through 190 ℃ of processed.
Above-mentioned each component mixed according to weight percent make the grouting admixture.
Embodiment 4
Diminishing component: 5%; Expansion component: 60%; Reduce component: 5%; Water-retaining component: 0.015%; Slow setting component: 0.2%; Filling components: 29.66%; Emollient component: 0.01%; Steady bubble component: 0.005%; Regulate component: 0.01%; Resistance rust component: 0.1%.Wherein, emollient component be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O grinds the product that the back obtains again through 100 ℃ of processed.
Above-mentioned each component mixed according to weight percent make the grouting admixture.
Embodiment 5
Diminishing component: 10%; Expansion component: 36%; Reduce component: 10%; Water-retaining component: 0.03%; Slow setting component: 2%; Filling components: 39.89%; Emollient component: 0.05%; Steady bubble component: 0.01%; Regulate component: 0.02%; Resistance rust component: 2%.Wherein, emollient component be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O grinds the product that the back obtains again through 190 ℃ of processed.
Above-mentioned each component mixed according to weight percent make the grouting admixture.
Embodiment 6
Diminishing component: 7.42%; Expansion component: 52%; Reduce component: 8%; Water-retaining component: 0.018%; Slow setting component: 1%; Filling components: 31%; Emollient component: 0.04%; Steady bubble component: 0.009%; Regulate component: 0.013%; Resistance rust component: 0.5%.Wherein, emollient component be (Na, Ca)
0.33(Al, Mg)
2(Si
4O
10) (OH)
2NH
2O grinds the product that the back obtains again through 200 ℃ of processed.
Above-mentioned each component mixed according to weight percent make the grouting admixture.
Table 1 is various embodiments of the present invention and the performance comparison situation of contrast sample, and wherein: the contrast sample is a Jiangsu grouting admixture, and cement is Fujian good fortune P.O 42.5 cement, and water-cement ratio is 0.31, and grouting admixture dosage (in mix) is 10%.
Table 1 performance comparison
Claims (11)
- One kind grouting admixture, it is characterized in that it is to be made by following weight percentages:Diminishing component: 5-10%Expansion component: 36-60%Reduce component: 5-10%Water-retaining component: 0.015-0.03%Slow setting component: 0.2-2%Filling components: 20-40%Emollient component; 0.01-0.05%Steady bubble component: 0.005-0.01%Regulate component: 0.01-0.02%Resistance rust component: 0.1-2%
- 2. a kind of grouting admixture according to claim 1 is characterized in that: described diminishing component is one or both in polyethers poly carboxylic acid or the polyester poly carboxylic acid.
- 3. a kind of grouting admixture according to claim 1, it is characterized in that: described expansion component is that lime swelling agent, magnesium oxide are one or more in swelling agent or the sulplo-aluminate class swelling agent, and the alkalinity of swelling agent is less than 0.75% of swelling agent total mass.
- 4. a kind of grouting admixture according to claim 1 is characterized in that: the described component of reducing is in alkamine economization agent, polyoxyethylene economization agent or the alkyl Ammonia economization agent one or more.
- 5. a kind of grouting admixture according to claim 1 is characterized in that: described water-retaining component be a kind of in a kind of and Xylo-Mucine, hydroxyethylmethyl-cellulose, Vltra tears or the polyvinyl alcohol in hydroxypropyl two starch phosphate fat or the phosphorylation Staragel 90V according to equal quality than compound product.
- 6. a kind of grouting admixture according to claim 1 is characterized in that: described slow setting component is one or more in sucrose, Sunmorl N 60S, Sodium hexametaphosphate 99, citric acid or the polyalcohols.
- 7. a kind of grouting admixture according to claim 1 is characterized in that: described filling components is one or more in flyash, blast-furnace slag, terra alba, wilkinite, silica flour, dicalcium powder or the kaolin.
- 8. a kind of grouting admixture according to claim 1 is characterized in that: described emollient component is the thixotroping lubricant, and this thixotroping lubricant is a kind of based on montmorillonite silicate, chemical name be (Na, Ca) 0.33(Al, Mg) 2(Si 4O 10) (OH) 2NH 2O, crystal belong to monoclinic waterbearing stratum platy layer silicate, through 100～200 ℃ of processed, grind the product that the back obtains again.
- 9. a kind of grouting admixture according to claim 1 is characterized in that: described steady bubble component is one or both in polyoxyethylenated alcohol sodium sulfate (AES) or the α-sodium olefin sulfonate (AOS).
- 10. a kind of grouting admixture according to claim 1 is characterized in that: described adjusting component is hexanediamine tetramethyl fork phosphonic acids.
- 11. a kind of grouting admixture according to claim 1 is characterized in that: described resistance rust component is one or more in amine rust inhibitor, carboxylic acid and its esters rust inhibitor, sulfonic acid and its esters rust inhibitor, Sodium Benzoate rust inhibitor or the sodium oxalate rust inhibitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105450497A CN102060468B (en) | 2010-11-09 | 2010-11-09 | Grout additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105450497A CN102060468B (en) | 2010-11-09 | 2010-11-09 | Grout additive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102060468A true CN102060468A (en) | 2011-05-18 |
| CN102060468B CN102060468B (en) | 2012-11-21 |
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ID=43995995
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105450497A Expired - Fee Related CN102060468B (en) | 2010-11-09 | 2010-11-09 | Grout additive |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253894A (en) * | 2012-11-27 | 2013-08-21 | 四会市飞来峰非金属矿物材料有限公司 | Organic-inorganic composite water-soluble dry powder |
| CN103288396A (en) * | 2013-05-07 | 2013-09-11 | 广州市和易建材实业有限公司 | Highway post-tensioning method prestressed concrete beam channel pressure slurry material, and preparation method thereof |
| CN104045312A (en) * | 2014-06-18 | 2014-09-17 | 天地科技股份有限公司 | Operating fluid for mud replaced by delayed coagulation cement paste in freezing method construction and method thereof |
| CN104496261A (en) * | 2014-11-21 | 2015-04-08 | 于芳 | Expansion rate and concrete strength development coordinated concrete expansive agent |
| CN105601152A (en) * | 2015-12-17 | 2016-05-25 | 江苏苏博特新材料股份有限公司 | Efficient shrinkage-reducing anti-cracking agent and preparation method thereof |
| CN106396471A (en) * | 2016-08-30 | 2017-02-15 | 黄海涛 | Concrete expanding agent |
| CN108002802A (en) * | 2017-12-04 | 2018-05-08 | 山东创能机械科技有限公司 | A kind of New Phosphorus magnesia-based cements injecting paste material and preparation method |
| CN108424065A (en) * | 2017-07-13 | 2018-08-21 | 上海城建建设实业集团新型建筑材料有限公司 | A kind of slurry and its preparation method and application |
| CN108424066A (en) * | 2017-07-13 | 2018-08-21 | 上海城建建设实业集团新型建筑材料有限公司 | A kind of grouting material and its preparation method and application |
| CN110171951A (en) * | 2018-12-31 | 2019-08-27 | 石家庄市易达恒联路桥材料有限公司 | A kind of high-performance microdilatancy slip casting binder |
Citations (3)
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|---|---|---|---|---|
| US20030188666A1 (en) * | 2002-04-09 | 2003-10-09 | Johnson Howard E. | Grout for earth heat exchange systems |
| CN101172830A (en) * | 2006-10-31 | 2008-05-07 | 上海市基础工程公司 | Grouting material and producing method thereof |
| JP2008120612A (en) * | 2006-11-09 | 2008-05-29 | Denki Kagaku Kogyo Kk | Grout composition, grout mortar and grout method |
-
2010
- 2010-11-09 CN CN2010105450497A patent/CN102060468B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030188666A1 (en) * | 2002-04-09 | 2003-10-09 | Johnson Howard E. | Grout for earth heat exchange systems |
| CN101172830A (en) * | 2006-10-31 | 2008-05-07 | 上海市基础工程公司 | Grouting material and producing method thereof |
| JP2008120612A (en) * | 2006-11-09 | 2008-05-29 | Denki Kagaku Kogyo Kk | Grout composition, grout mortar and grout method |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253894A (en) * | 2012-11-27 | 2013-08-21 | 四会市飞来峰非金属矿物材料有限公司 | Organic-inorganic composite water-soluble dry powder |
| CN103288396A (en) * | 2013-05-07 | 2013-09-11 | 广州市和易建材实业有限公司 | Highway post-tensioning method prestressed concrete beam channel pressure slurry material, and preparation method thereof |
| CN104045312A (en) * | 2014-06-18 | 2014-09-17 | 天地科技股份有限公司 | Operating fluid for mud replaced by delayed coagulation cement paste in freezing method construction and method thereof |
| CN104496261A (en) * | 2014-11-21 | 2015-04-08 | 于芳 | Expansion rate and concrete strength development coordinated concrete expansive agent |
| CN105601152A (en) * | 2015-12-17 | 2016-05-25 | 江苏苏博特新材料股份有限公司 | Efficient shrinkage-reducing anti-cracking agent and preparation method thereof |
| CN106396471A (en) * | 2016-08-30 | 2017-02-15 | 黄海涛 | Concrete expanding agent |
| CN108424065A (en) * | 2017-07-13 | 2018-08-21 | 上海城建建设实业集团新型建筑材料有限公司 | A kind of slurry and its preparation method and application |
| CN108424066A (en) * | 2017-07-13 | 2018-08-21 | 上海城建建设实业集团新型建筑材料有限公司 | A kind of grouting material and its preparation method and application |
| CN108002802A (en) * | 2017-12-04 | 2018-05-08 | 山东创能机械科技有限公司 | A kind of New Phosphorus magnesia-based cements injecting paste material and preparation method |
| CN108002802B (en) * | 2017-12-04 | 2018-12-14 | 山东创能机械科技有限公司 | A kind of phosphorus magnesia-based cements injecting paste material and preparation method |
| CN110171951A (en) * | 2018-12-31 | 2019-08-27 | 石家庄市易达恒联路桥材料有限公司 | A kind of high-performance microdilatancy slip casting binder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102060468B (en) | 2012-11-21 |
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Address after: 363000, Zhangzhou Development Zone, Fujian province 1M3-0506 plots (Tang Yang Industrial Park) Patentee after: Fujian Kezijie New Material Co., Ltd. Address before: 363000 Tang Yang Industrial Zone, Zhangzhou Development Zone, Zhangzhou, Fujian Patentee before: Kezhijie New Materials (Zhangzhou) Co., Ltd. |
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