CN1559960A - High performance grouting addition for concrete with post-tensioning binding prestressing force - Google Patents
High performance grouting addition for concrete with post-tensioning binding prestressing force Download PDFInfo
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- CN1559960A CN1559960A CNA200410014079XA CN200410014079A CN1559960A CN 1559960 A CN1559960 A CN 1559960A CN A200410014079X A CNA200410014079X A CN A200410014079XA CN 200410014079 A CN200410014079 A CN 200410014079A CN 1559960 A CN1559960 A CN 1559960A
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- component
- post
- concrete
- grouting
- grout
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Links
- 239000004567 concrete Substances 0.000 title claims description 31
- 239000004568 cement Substances 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000654 additive Substances 0.000 claims abstract description 6
- 230000000996 additive effect Effects 0.000 claims abstract description 6
- 229910052925 anhydrite Inorganic materials 0.000 claims abstract description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 3
- 150000008130 triterpenoid saponins Chemical class 0.000 claims abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- 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 description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 229920002521 macromolecule Polymers 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000011513 prestressed concrete Substances 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 239000011440 grout Substances 0.000 abstract 5
- -1 anion polysaccharide Chemical class 0.000 abstract 1
- CUOZYXPNIFEQTK-UHFFFAOYSA-N benzenesulfonic acid;formaldehyde Chemical compound O=C.OS(=O)(=O)C1=CC=CC=C1 CUOZYXPNIFEQTK-UHFFFAOYSA-N 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 229920001282 polysaccharide Polymers 0.000 abstract 1
- 239000005017 polysaccharide Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000013517 stratification Methods 0.000 abstract 1
- 230000000740 bleeding effect Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 241000282693 Cercopithecidae Species 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 210000004381 amniotic fluid Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 241001503485 Mammuthus Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
Abstract
The invention is a special additive for post-tensioned cohesive prestressed concrete structure, prepared of the following components in weight percent: phenyl sulfonate formaldehyde high-grade condensation compound 2-10%, aluminum powder 0.005-0.05%, anhydrite 50-70%, calcined kaoline 10-20%, kaoline 10-20%, linear high-molecular anion polysaccharide 0.05-1.5%, and triterpenoid saponin 0.05-0.1%. It has multiple functions of improving both the rheological property of grouting material and the bulk stability, and after doped, it is unnecessary to compound other materials to effectively improve the rheological property of grout, largely reducing seepage water and avoiding high separation and stratification, and it can effectively compensate shrinkage in plastic and hardening state, enhancing the bulk stability of the grout. The fluidity is basically not lost in 2 hours, the grout is full and dense in the pipeline and has strong adaptability to temperature, and the economic benefits of the technique are obvious. After doped in the cement, it adopts ordinary pressure grouting technique to be able to effectively ensure the grout basal body does not seep water after grouted and the bulk of the grout does not shrink and corrode steels.
Description
Technical field
The invention belongs to a kind of post-tensioning prestress with bond concrete structure special additive, is a kind of post-tensioning prestress with bond concrete high-performance grouting admixture specifically.
Background technology
In post-tensioned concrete structure, based on weather resistance and economic requirement, the reactor housing of nearly all heavy construction at home and abroad such as bridge, Nuclear power plants, stride greatly, towering, mammoth structure etc. all successfully adopted the bonded prestress concrete, obtained tangible technical economic benefit.But concrete all advantages of bonded prestress all must be based upon on the intact basis of the bonding of presstressed reinforcing steel and structural concrete down.The quality of grouting quality will directly have influence on the security and the reliability of structure, and grouting has become one critical process in the bonded prestress concrete construction.
Shrinkage-free grouting agent is studied more at present abroad, existing sophisticated relatively product, nothing as the nonmetal character series of NEC company and Onoda Cement Co., Ltd exploitation is shunk grouting agent because of superior performance, obtained using comparatively widely in the Japan and the U.S., but this series products is mainly used in Equipment Foundations grouting.For the post-tensioning prestress with bond concrete grouting, do not have special grouting agent.France is as the advanced relatively country of prestressed concrete technology, adopted high-quality wilkinite and high efficiency water reducing agent compound, carry out two component allotments at the scene, for example the post-tensioned prestressing at Lianyun Harbour Tian Wan Nuclear power plants is in the milk, the admixture employing is allocated from the product scene that France transports, need to carry out a large amount of tests therefrom, brought great inconvenience to construction.Adopt the report of preparation grouting material such as aluminium powder and high efficiency water reducing agent, thickening material in addition in American-European countries, but do not develop special post-tensioned prestressed concrete grouting agent, and the raising rate of ubiquity aluminium powder is too fast in engineering, is difficult to control drawbacks such as grouting quality.Domestic research about post-tensioning prestress with bond concrete grouting material is less, mostly is the report of some grouting tests that the binding key engineering done.Li Chenguang etc.
[1]Adopt common aluminium powder, UEA, high efficiency water reducing agent, thickening material to make the performance study of post-tensioning prestress with bond concrete grouting material, but because the time of getting angry of common aluminium powder is very fast, uncontrollable getting angry the time, thereby very high to the engineering time requirement of grouting material, be difficult to satisfy on-the-spot construction demand.
Also lack on the domestic market at present multiple functional, the grouting product of excellent performance.Many priority projects have to spend huge fund from external introduction, owing to be subjected to restriction and the concrete season and the engineering characteristic of cement made in China characteristics, engineering staff's grouting test of having to carry out is at the scene formed and proportioning with the best of seeking the grouting material.Such test desired times tens times at least, thousands of at most times, incured loss through delay job schedule greatly, the manpower, the financial resources that expend therefrom afford a magnificent spectacle.Even more serious is that because the specialized grouting of shortage troop, for the construction crew a little less than some medium and small engineering and the technical force's relative thin, often uncontrollable grouting quality causes serious hidden danger to engineering structure, brings about great losses for the country and people's property.Therefore, develop and produce function advanced person's injection material product, be of great immediate significance.
Summary of the invention
What the present invention will solve is exactly the difficult problem that present domestic post-tensioning prestress with bond concrete grouting quality can't guarantee, a kind of post-tensioning prestress with bond concrete high-performance grouting admixture that can comprehensively improve grouting materials flow sex change and volume stability is provided.
The present invention adopts organic and inorganic, get angry and the technological approaches that combines of crystallographic expansion comprehensively improves be in the milk materials flow sex change and volume stability, form by seven big components: component the 1, the 2nd, macromolecular material, component the 3,4,5,6, the 7th, inorganic materials, the concrete part by weight of each component is as follows:
Component 1:2-10%; Component 2:0.005-0.05%
Component 3:50-70%; Component 4:10-20%
Component 5:10-20%; Component 6:0.05-1.5%;
Component 7:0.05-0.1%
Component 1 is the senior condenses of commercially available naphthalene sulphonate formaldehyde, major control index, water-reducing rate＞20% (the solid volume is 0.5%), air content＜3%, Na
2SO
4＜5%.
Component 2 is commercially available superfine aluminium power, and its aluminium content＞95%, 0.075mm tail over and is not more than 4%.
Component 3 is an anhydrite, and SO mainly is provided
3, require the SO of material therefor
3Content＞50%.
Component 4 is calcining kaolin, its alkali content of major control and Al
2O
3Content.Concrete controlling index sees Table 1, and technological process mainly comprises fragmentation, calcining, insulation and grinding, and calcining temperature is 650-800 ℃.
The controlling index table 1 of component 4
| Composition | Total alkali content | ????Al 2O 3 | Fineness |
| Content (%) | ????≤0.5 | ????≥25 | 45um tails over＜and 5% |
Component 5 is for being the inorganic materials of main component with the kaolin, its alkali content of major control and Al
2O
3Content.Concrete controlling index is with table 2-1, and technological process mainly comprises broken and grinding process process
The linear macromolecule negatively charged ion saccharan of component 6 for adopting zymotechnique to produce, molecular weight is at 50-500 ten thousand.Its molecular structure is as follows:
Component 7 is the air entrapment agent of main component with the triterpenoid saponin, when its volume is 0.5 * 10 of a cement consumption
-4The time, detecting the concrete air content according to GB8076-97 " Concrete Additive standard) " is 3.5%.
The present invention is the special additive of being developed for the grouting of post-tensioning prestress with bond concrete pore passage specially, it is with the multi-functional that improves grouting materials flow sex change and volume stability, do not need composite other materials after mixing, just can effectively improve the cement slurry rheological, reduce bleeding significantly, avoid segregation and layering, and can be under plasticity and hardening state compensate for shrinkage effectively, improved the volume stability of cement slurry.Mobile basic free of losses in 2 hours, slurry is full closely knit in the pipeline, and strong to thermal adaptability, technical economic benefit is obvious.Mix after the cement, adopt common mud jacking technology can ensure effectively that grouting back slurry does not have bleeding (or can reuptake fully behind the bleeding) substantially, the slurry volume does not have contraction, and has enough construction guarantee time and suitable construction temperature scope, to the effect of steel non-corroding.
Its Main Feature is: have high dispersive ability and high pseudo-plasticity, can significantly improve the rheological of grouting material after mixing, it starches the moving time of Ma Shi coning tower tray only is 14.7 seconds, and 2 hours clean slurry Ma Shi awl time increment rates are less than 10%; Can significantly reduce the bleeding rate of grouting material, mixing the be in the milk bleeding rate of material of the present invention of 13% is 0; Mix 13% slurry self-watering of the present invention and begin 3-6h and reach the maximum swelling value, and be no more than 110 * 10
-4, not have in 1 day and shrink, self-constriction on the 28th is 1.8 * 10
-4Can effectively improve the early stage and later stage mechanical property after the slurry sclerosis, mix 13% reinforcing bar bond stress of the present invention and improved 313%; To the effect of steel non-corroding; Alkali content is 0.5%; Adaptability to temperature is strong, but-5 to+40 ℃ of equal normal constructions; Adaptability to cement is strong, and is safe in utilization easy.
Description of drawings
Fig. 1 is the early stage cubic deformation curve synoptic diagram of the grouting material of (promptly mixing the present invention of different amounts in cement, as follows) formation under the different volumes of same cement.
Fig. 2 is the early-age shrinkage curve synoptic diagram of the grouting material of formation under the same volume of different cement.
Fig. 3 is the restriction self-constriction curve synoptic diagram of the grouting material under the different volumes of same cement.
Embodiment
Embodiment 1
Component 1:4.8%; Component 2:0.01 5% component 3:61%;
Component 4:17% component 5:17%; Component 6:0.065%;
Component 7:0.08%
Each component mixed by above-mentioned weight ratio promptly make the present invention.
The performance that the present invention that employing makes by above-mentioned prescription mixes the grouting material that forms behind the cement is:
The physicals of grouting material sees Table 2:
The physicals table 2 of grouting material
| Sequence number | JM-HF volume (%) | The Ma Shi coning tower tray moves the time (s) | Time of coagulation | Bleeding rate (%) | |||
| Initially | ?????1h | Initial set | Final set | ||||
| 1 | " the peaceful amniotic fluid mud of gold " 4 2.5R PII | ??JM-B ??0.65％ | ????21.34 | ????31.21 | ????6h | ??6h45min | ????17.65 |
| 2 | ????8 | ????17.69 | ????17.99 | ?6h35min | ?7h25min | ????0.30 | |
| 3 | ????10 | ????17.29 | ????17.86 | ????7h | ??7h40min | ????0.12 | |
| 4 | ????13 | ????15.79 | ????18.00 | ?8h30min | ????9h | ????0.00 | |
| 5 | ????15 | ????15.76 | ????17.38 | ???9h15 | ????9h40 | ????0.00 | |
| 6 | " giant dragon " 42.5 PO, 13 | ????13.67 | ????14.56 | ????8h | ??8h45min | ????0.00 | |
| 7 | " two monkey " 42.5 PO, 13 | ????16.47 | ????16.93 | ????8h | ????9h | ????0.30 | |
| 8 | " two monkey " 32.5 PO, 13 | ????16.22 | ????16.31 | ?11h20min | ??12h40min | ????0.67 | |
| 9 | " middle mountain " 42.5PS | ????16.54 | ????17.45 | ?8h10min | ??9h15min | ????0.98 | |
Annotate: (be water/(cement+JM-HF)): " giant dragon " 42.5PO is 0.35 to used water-cement ratio, and other is 0.37.JM-HF mixes in volume of the present invention is.The physicals of grouting material sees Table 3:
The mechanical property table 3 of grouting material
| Sequence number | JM-HF volume (%) | Folding strength (MPa) | Ultimate compression strength (MPa) | Reinforcing bar bond stress (MPa) | |||||
| ????3d | ????7d | ????28d | ?????3d | ????7d | ???28d | ||||
| ????1 | " the peaceful amniotic fluid mud of gold " 4 2.5R P.II | ????JM-B ????0.65％ | ????4.25 | ????5.24 | ????8.56 | ????18.3 | ????22. ?????3 | ???52. ????5 | ????0.63 |
| ????2 | ????8 | ????4.87 | ????5.6 | ????9.28 | ????24.2 | ????36. ??????5 | ???59. ????1 | ????2.15 | |
| ????3 | ????10 | ????4.95 | ????5.91 | ????9.77 | ????24.0 | ????35. ??????9 | ???59. ????4 | ????2.41 | |
| ????4 | ????13 | ????6.06 | ????6.63 | ????9.66 | ????25.2 | ????37. ??????1 | ???62. ????5 | ????2.60 | |
| ????5 | ????15 | ????6.25 | ????6.52 | ????9.69 | ????21.0 | ????39. ??????1 | ???64. ????4 | ????3.01 | |
| ????6 | " giant dragon " 42.5 P.O, 13 | ????5.12 | ????6.78 | ????10.2 ????1 | ????31.2 | ????56. ??????1 | ???75. ????4 | ??????/ | |
| ????7 | " two monkey " 42.5P.O, 13 | ????4.16 | ????5.15 | ????9.86 | ????18.1 | ????21. ?????7 | ???53. ????1 | ??????/ | |
| ????8 | " two monkey " 32.5P.O, 13 | ????3.85 | ????4.95 | ????7.23 | ????14.8 | ????15. ?????1 | ???41. ????8 | ??????/ | |
The early stage cubic deformation situation of the grouting material of same cement (promptly mixes the present invention of different amounts, as follows) in cement under different volumes formation is seen figure; The early-age shrinkage situation of the grouting material that different cement form under same volume is seen Fig. 2; The restriction self-constriction situation of the grouting material that same cement forms under different volumes is seen Fig. 3.
Embodiment 2
Component 1:7.95%; Component 2:0.005%
Component 3:52%; Component 4:19.5%
Component 5:19.5%; Component 6:0.05%;
Component 7:0.05%
Each component mixed by above-mentioned weight ratio promptly make the present invention.
The performance that the present invention that employing makes by above-mentioned prescription mixes behind the cement (place of cement consumption 13%) is:
The physicals table 4 of prescription 2
| The Ma Shi coning tower tray moves the time (s) | Time of coagulation | Bleeding rate (%) | ||
| Initially | ????1h | Initial set | Final set | |
| ????19.5 | ????22 | ????9h15min | ????10h20min | ??????0 |
Embodiment 3
Component 1:7.8%; Component 2:0.02%
Component 3:68%; Component 4:12.59%
Component 5:12.59%; Component 6:0.1%;
Component 7:0.05%
Each component mixed by above-mentioned weight ratio promptly make the present invention.
The performance that the present invention that employing makes by above-mentioned prescription mixes behind the cement (place of cement consumption 13%) is:
The physicals table 5 of prescription 3
| The Ma Shi coning tower tray moves the time (s) | Time of coagulation | Bleeding rate (%) | ||
| Initially | ????1h | Initial set | Final set | |
| ????21 | ????19 | ??10h20min | ????12h | ??????0 |
Claims (7)
1, post-tensioning prestress with bond concrete structure special additive is characterized in that comprising 7 components, and the concrete part by weight of each component is as follows:
Component 1:2-10%; Component 2:0.005-0.05%
Component 3:50-70%; Component 4:10-20%
Component 5:10-20%; Component 6:0.05-1.5%;
Component 7:0.05-0.1%
Wherein, component 1 is the senior condenses of naphthalene sulphonate formaldehyde, and component 2 is an aluminium powder, and component 3 is an anhydrite, and component 4 is that component 5 is a kaolin with the calcining kaolin, and component 6 is a linear macromolecule negatively charged ion saccharan, and component 7 is a triterpenoid saponin.
2, post-tensioning prestress with bond concrete high-performance grouting admixture as claimed in claim 1 is characterized in that water-reducing rate＞20%, the solid volume of component 1 is 0.5%, air content＜3%, Na
2SO
4＜5%.
3, post-tensioning prestress with bond concrete high-performance as claimed in claim 1 grouting admixture is characterized in that component 2 is superfine aluminium power, aluminium content＞95% wherein, and 0.075mm tails over and is not more than 4%.
4, post-tensioning prestress with bond concrete high-performance grouting admixture as claimed in claim 1 is characterized in that SO in the component 3
3Content＞50%.
5, post-tensioning prestress with bond concrete high-performance grouting admixture as claimed in claim 1 is characterized in that total alkali content≤0.5, Al in component 4 and the component 5
2O
3〉=25, fineness with 45um tail over＜5%.
6, post-tensioning prestress with bond concrete high-performance grouting admixture as claimed in claim 1, the molecular weight that it is characterized in that component 6 is at 50-500 ten thousand.Its molecular structure is as follows:
7, post-tensioning prestress with bond concrete high-performance grouting admixture as claimed in claim 1, the volume that it is characterized in that component 7 is 0.5 * 10 of a cement consumption
-4The time, detecting the concrete air content according to GB8076-97 " Concrete Additive standard " is 3.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014079 CN1260163C (en) | 2004-02-17 | 2004-02-17 | High performance grouting addition for concrete with post-tensioning binding prestressing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014079 CN1260163C (en) | 2004-02-17 | 2004-02-17 | High performance grouting addition for concrete with post-tensioning binding prestressing force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1559960A true CN1559960A (en) | 2005-01-05 |
| CN1260163C CN1260163C (en) | 2006-06-21 |
Family
ID=34440178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410014079 Expired - Lifetime CN1260163C (en) | 2004-02-17 | 2004-02-17 | High performance grouting addition for concrete with post-tensioning binding prestressing force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1260163C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891413A (en) * | 2010-06-18 | 2010-11-24 | 中国水利水电第三工程局有限公司 | Flocculating agent for cement high pressure jet grouting and preparation method and application thereof |
| CN102092997A (en) * | 2010-12-02 | 2011-06-15 | 上海城建（集团）公司 | Prestressed concrete pipe grouting agent |
| CN108793878A (en) * | 2018-07-09 | 2018-11-13 | 中国石油天然气集团公司 | A kind of cement base is high-strength not to disperse grouting material |
-
2004
- 2004-02-17 CN CN 200410014079 patent/CN1260163C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891413A (en) * | 2010-06-18 | 2010-11-24 | 中国水利水电第三工程局有限公司 | Flocculating agent for cement high pressure jet grouting and preparation method and application thereof |
| CN101891413B (en) * | 2010-06-18 | 2012-10-03 | 中国水利水电第三工程局有限公司 | Flocculating agent for cement high pressure jet grouting and preparation method and application thereof |
| CN102092997A (en) * | 2010-12-02 | 2011-06-15 | 上海城建（集团）公司 | Prestressed concrete pipe grouting agent |
| CN102092997B (en) * | 2010-12-02 | 2013-04-17 | 上海城建（集团）公司 | Prestressed concrete pipe grouting agent |
| CN108793878A (en) * | 2018-07-09 | 2018-11-13 | 中国石油天然气集团公司 | A kind of cement base is high-strength not to disperse grouting material |
| CN108793878B (en) * | 2018-07-09 | 2021-02-19 | 中国石油天然气集团公司 | Cement-based high-strength non-dispersive grouting material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1260163C (en) | 2006-06-21 |
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