CN103193414A - Post-tensioning prestressed concrete beam pore high-strength grouting agent - Google Patents
Post-tensioning prestressed concrete beam pore high-strength grouting agent Download PDFInfo
- Publication number
- CN103193414A CN103193414A CN2013100741536A CN201310074153A CN103193414A CN 103193414 A CN103193414 A CN 103193414A CN 2013100741536 A CN2013100741536 A CN 2013100741536A CN 201310074153 A CN201310074153 A CN 201310074153A CN 103193414 A CN103193414 A CN 103193414A
- Authority
- CN
- China
- Prior art keywords
- component
- prestressed concrete
- concrete beam
- mud jacking
- post
- 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
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 22
- 239000011148 porous material Substances 0.000 title abstract 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000000740 bleeding effect Effects 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000011230 binding agent Substances 0.000 claims abstract description 17
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 12
- 239000011707 mineral Substances 0.000 claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical group [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 3
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001950 potassium oxide Inorganic materials 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000000377 silicon dioxide Substances 0.000 claims abstract 3
- 239000004568 cement Substances 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000003595 mist Substances 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 230000003467 diminishing effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 7
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 238000009775 high-speed stirring Methods 0.000 claims description 4
- 239000011398 Portland cement Substances 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 229920000271 Kevlar® Polymers 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002978 Vinylon Polymers 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 239000004761 kevlar Substances 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 239000005543 nano-size silicon particle Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- 239000004111 Potassium silicate Substances 0.000 claims 1
- 235000019353 potassium silicate Nutrition 0.000 claims 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims 1
- 229910052913 potassium silicate Inorganic materials 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229960001866 silicon dioxide Drugs 0.000 claims 1
- 229910021487 silica fume Inorganic materials 0.000 abstract 2
- 235000019738 Limestone Nutrition 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 10
- 235000010755 mineral Nutrition 0.000 description 7
- 239000004567 concrete Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 229920005646 polycarboxylate Polymers 0.000 description 4
- 229920005601 base polymer Polymers 0.000 description 3
- 238000010000 carbonizing Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010038743 Restlessness Diseases 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention relates to a post-tensioning prestressed concrete beam pore high-strength grouting agent which is low in water-binder ratio, high in fluidity, and zero in bleeding. The post-tensioning prestressed concrete beam pore high-strength grouting agent includes by weight: 2-11% of a water reducing component, 0.3-0.6% of a plastic stage expansion component, 3-5% of a sedimentation preventing component, 6-10% of an ultrafine active micropowder component, 0.01-0.5% of a water retention component, 40-50% of a high durability mineral admixture component, 0-0.5% of a delayed coagulation component, 0-0.5% of an air entraining component, and 40-50% of a low-alkaline post-expansion component, wherein the ultrafine active micropowder component is silica fume or nano-silica or a mixture of silica fume and nano-silica, the high durability mineral admixture component includes ash and one or more selected from limestone, Al2O3, silicide, CaO, potassium oxide and mica, and the low-alkaline post-expansion component is magnesium oxide. The post-tensioning prestressed concrete beam pore high-strength grouting agent has the characteristics of wide raw material source, low cost, easy operation and no pollution.
Description
Technical field
Patent application of the present invention relates to the agent of the special-purpose post tentioned prestressed concrete girder hole path pressure grouting of a kind of concrete.
Background technology
Before special-purpose prestress hole path pressure grouting not occurring; only use grout as weighting material; the result causes a lot of defectives; the duct eakiness; easily shrink; easy bleeding; defectives such as intensity is low; so can not guarantee effectively people's stress transmission between presstressed reinforcing steel and the concrete structure body; the fatigure failure of variation to ground tackle can not eliminate stress; do not reach the protection presstressed reinforcing steel and be subjected to extraneous infringement and corrosion; after the JTG041-2000 of national communication portion standard is promulgated; improved quality to a certain extent; but still do not satisfy existing bridge and high special requirement; JTG/TF50-2011 standard in 2012; this standard index requires the weighting material low water binder ratio; no bleeding; do not have high targets such as contraction, cause many enterprises not adapt to current specifications.
As patent of invention AN:200910009480.7 post stressed concrete beam pipe mudjacking agent, the composition of this mud jacking agent and weight percent are: efficient diminishing component: 1～3%, early expansion component: 5～10%, middle and later periods expansion component: 30～50%, mineral admixture component: 40～60%.Though outstanding expansion character is arranged, in practice of construction, slurry has demixing phenomenon, causes the intensity of Structural Engineerings such as bridge inhomogeneous.
The flat 4-349162A of patent of invention TOHKEMY discloses the agent of a kind of post-tensioned prestressed concrete beam hole path pressure grouting, and this mud jacking agent has used slaked lime and flyash as main Additive, and axle is with defoamer.This mud jacking agent can not be accomplished zero bleeding, can not satisfy protection against corrosion and expansion character requirement.
Through experiment accumulation for many years, invent out a kind of low water binder ratio, high fluidity, zero bleeding high strength hole path pressure grouting agent.
Summary of the invention
The high-performance mud jacking agent that the invention provides the post-tensioned prestressing beam hole path pressure grouting of a kind of low water binder ratio, high fluidity, zero bleeding and develop, mix and stir the back with water in proportion during site operation and tamp for the agent of prestressed concrete hole path pressure grouting, also can mix and mix and stir use in the cement.Slurry have good fluidity, no sedimentation, not stratified, high-strength, do not have characteristics such as contraction, be desirable hole path pressure grouting material, can be used for prestressed structure hole path pressure grouting in the common road bridge.
The high-strength mud jacking agent in post-tensioned prestressed concrete beam of the present invention duct, the parts by weight of each component are:
The high-strength mud jacking agent in post-tensioned prestressed concrete beam duct of a kind of low water binder ratio, high fluidity, zero bleeding, the weight percent of each component is:
Diminishing component 2～11%,
Plastic stage prevents sedimentation component 3～5%,
Superfine active micro mist component 6～10%,
High durable mineral admixture component 35～50%,
Low alkali type late expansion component 35～40%,
Water conservation component 0.01～0.5%,
Slow setting component 0～0.5%,
Bleed component 0～0.5%,
The mixture of one or both that described superfine active micro mist component is silicon ash or nano silicon, durable mineral admixture component comprises volcanic ash and is selected from one or more mixture of Wingdale, Al2O3, silicide, CaO, potassium oxide, Muscovitum that described low alkali type late expansion component is magnesium oxide.
The above-mentioned raw materials best proportioning value of filling a prescription is, the weight % of each component is diminishing component 6%, plastic stage prevents sedimentation component 3%, superfine active micro mist component 10%, high durable mineral admixture component 45%, low alkali type late expansion component 35%, water conservation component 0.2%, slow setting group 0.5%, bleed component 0.3%.
How described diminishing component for being one or more mixture of sulfonate high efficiency water reducing agent, sulfamate or polycarboxylic acid series high efficiency water reducing agent.Below be the performance index of water reducer,
Table 1 common naphthalene water reducer concrete shrinkage rate and durability index form
Table 2 is mixed shrinkage type polycarboxylate water-reducer shrinkage ratio concrete shrinkage rate ratio and durability index form
The described sedimentation component that prevents is polyacrylonitrile fibre, vinylon or Kevlar, and length is 3-10mm, and diameter is 20-100 μ m.
The specific surface area 10000-12500cm of described superfine active micro mist component
2/ g.
The mixture of one or more that described water conservation component is methylcellulose gum, carboxymethyl cellulose.
Described slow setting component is one or more mixture of sugar, citric acid, Sunmorl N 60S.
Described bleed component is one or more mixture of rosin or rosin based polymkeric substance.
Further, the using method of the high-strength mud jacking agent in a kind of post-tensioned prestressed concrete beam duct,
1) each component is added stirrer mixing stirring according to weight % and make siccative;
2) above-mentioned mud jacking agent siccative is used in the ordinary Portland cement that intensity is not less than 42.5 grades, incorporation is 10-15 weight %, satisfies low water-cement ratio 0.26-0.28 and mixes high-speed stirring with water, stirring velocity is 7000-10000 rev/min, obtains grouting and expects in time 5-10 minute;
Described grouting material initial flow degree 〉=17,60min degree of mobilization 〉=25, the free bleeding rate of 24h
0,24 hour free shrinkage≤0.5%.
The invention has the advantages that: low water binder ratio, high fluidity, high strength, zero bleeding, protection against corrosion.
Efficient diminishing, technical parameter under the state that satisfies 0.26～0.28 water-cement ratio that can realize stipulating in the JTG/TF50-2011 standard,
Before slurry hardened, being prepared into (is in the milk and expects initial flow degree 〉=17,60min degree of mobilization 〉=25) under high mobile, the big fluidised form situation realized preventing laitance, and layering is prevented in anti-settling, and high pressure does not have bleeding, shrinkage-free stable slurry;
After the slurry sclerosis, can realize not having contraction, high compact, high strength mud jacking index;
Weather resistance, the low alkali type of the present invention does not have villaumite and can realize that the protection of deformed bar is not had corrosion.
Add polyacrylonitrile fibre and can make slurry inside be unified into closely knit unrest to distribution, can effectively stop generation and the development of primary fracture in the slurry.Obstruction slurry segregation, the diminishing bleeding stops the slurry layering, and fiber is huge at the slurry distributed quantity, each component is melted fully mutually and reaches steady state, can also effectively keep inner reinforcing bar not corroded.
The starting material wide material sources, cost is low, and is easy and simple to handle pollution-free.
Embodiment
Embodiment 1
The present embodiment purpose satisfies the anti-crack of engineering for reaching minimum water-reducing effect, the low-cost mud jacking agent of the anti-chloride erosion of anti-carbonizing degree, and each component % by weight is as follows:
Polycarboxylate water-reducer 2%, polyacrylonitrile fibre 3%, superfine active micro mist 6%, methyl base polymer 0.3%, high durable mineral admixture 50%, citric acid 0.2%, rosin 0.5%, magnesium oxide 38%.
Above-mentioned each component is broken into the particulate state that can go into mill, mixes, batch mixing grinding to granularity reaches the 300-500 order, and makes the agent of A type hole path pressure grouting after polyacrylonitrile fibre mixes.
The using method of A type hole path pressure grouting agent:
Method 1:
With the invention described above in cement and water ratio be:
1. (water-cement ratio is mud jacking agent 0.45KG cement 2.55KG water 0.78KG: 0.26)
2. (water-cement ratio is mud jacking agent 0.45KG cement 2.55KG water 0.81KG: 0.27)
3. (water-cement ratio is mud jacking agent 0.45KG cement 2.55KG water 0.84KG: 0.28)
Above-mentioned materials being got any one high-speed stirring mix all and can use, recommend the third to use and be the best, is the test-results of using in cement according to the third method below:
Its performance index are as follows:
Embodiment 2
The present embodiment purpose is for both reaching good water-reducing effect, satisfy simultaneously the anti-crack of high engineering again, the mud jacking agent of the anti-chloride erosion performance of anti-carbonizing degree, each component % by weight is as follows: polycarboxylate water-reducer 11%, polypropylene fibre 5%, superfine active micro mist 10%, methyl base polymer 0.3%, high durable mineral admixture 35%, citric acid 0.2%, rosin 0.5%, magnesium oxide 38%.
Above-mentioned each component is broken into the particulate state that can go into mill, mixes, batch mixing grinding to granularity reaches the 300-500 order, and makes the agent of Type B hole path pressure grouting after polyacrylonitrile fibre mixes.
Aforementioned recommendation is adopted in the agent of Type B hole path pressure grouting, and the third uses and is the best, is the test-results of using in cement according to the third method below:
Its performance index are as follows:
Embodiment 3
The present embodiment purpose is for both reaching medium water-reducing effect, satisfy simultaneously the anti-crack of high engineering again, the mud jacking agent of the anti-chloride erosion performance of anti-carbonizing degree, each component % by weight is as follows: polycarboxylate water-reducer 6%, polypropylene fibre 5%, superfine active micro mist 8%, methyl base polymer 0.3%, high durable mineral admixture 45%, citric acid 0.2%, rosin 0.5%, magnesium oxide 35%.
Above-mentioned each component is broken into the particulate state that can go into mill, mixes, batch mixing grinding to granularity reaches the 300-500 order, and makes the agent of C type hole path pressure grouting after polyacrylonitrile fibre mixes.
Aforementioned recommendation is adopted in the agent of C type hole path pressure grouting, and the third uses and is the best, is the test-results of using in cement according to the third method below:
Its performance index are as follows:
Claims (11)
1. a low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct, the weight percent of each component is:
Diminishing component 2～11%,
Plastic stage prevents sedimentation component 3～5%,
Superfine active micro mist component 6～10%,
High durable mineral admixture component 35～50%,
Low alkali type late expansion component 35～40%,
Water conservation component 0.01～0.5%,
Slow setting component 0～0.5%,
Bleed component 0～0.5%,
The mixture of one or both that described superfine active micro mist component is silicon ash or nano silicon, the durable mineral admixture component of described height comprises volcanic ash and is selected from one or more mixture of Wingdale, Al2O3, silicide, CaO, potassium oxide, Muscovitum that described low alkali type late expansion component is magnesium oxide.
2. a kind of low water binder ratio as claimed in claim 1, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct, the best proportioning value of composition of raw materials is, the weight % of each component is diminishing component 6%, plastic stage prevents sedimentation component 3%, superfine active micro mist component 10%, high durable mineral admixture component 45%, low alkali type late expansion component 35%, water conservation component 0.2%, slow setting group 0.5%, bleed component 0.3%.
3. low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct as claimed in claim 1 or 2, how described diminishing component for being one or more mixture of sulfonate high efficiency water reducing agent, sulfamate or polycarboxylic acid series high efficiency water reducing agent.
4. low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct as claimed in claim 1 or 2, the described sedimentation component that prevents is polyacrylonitrile fibre, vinylon or Kevlar, length is 3-10mm, and diameter is 20-100 μ m.
5. low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct as claimed in claim 1 or 2, the specific surface area 10000-12500cm of described superfine active micro mist component
2/ g.
6. low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct as claimed in claim 1 or 2, described water conservation component are one or more the mixture in methylcellulose gum, the carboxymethyl cellulose.
7. low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct as claimed in claim 1 or 2, described slow setting component are one or more mixture of sugar, citric acid, Sunmorl N 60S.
8. low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct as claimed in claim 1 or 2, described bleed component are one or more mixture of rosin or rosin based polymkeric substance.
9. low water binder ratio, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct as claimed in claim 1 or 2, described silicide are one or more mixture of silicon-dioxide, Calucium Silicate powder, potassium silicate.
10. low water binder ratio as claimed in claim 1 or 2, high high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct, above-mentioned mud jacking agent siccative is used in intensity to be not less than in 42.5 grades of ordinary Portland cements, incorporation is 10-15 weight %, satisfying low water-cement ratio 0.26-0.28 mixes with water, high-speed stirring, stirring velocity is 7000-10000 rev/min, obtains grouting and expects in time 5-10 minute;
Described grouting material initial flow degree 〉=17,60min degree of mobilization 〉=25, the free bleeding rate of 24h is 0,24h free shrinkage≤0.5%.
11. the using method of the described low water binder ratio of a claim 1 or 2, high fluidity, zero bleeding, the high-strength mud jacking agent in etch-proof post-tensioned prestressed concrete beam duct,
1) each component is added stirrer mixing stirring according to weight % and make siccative;
2) above-mentioned mud jacking agent siccative is used in the ordinary Portland cement that intensity is not less than 42.5 grades, incorporation is 10-15 weight %, satisfies low water-cement ratio 0.26-0.28 and mixes high-speed stirring with water, stirring velocity is 7000-10000 rev/min, obtains grouting and expects in time 5-10 minute;
Described grouting material initial flow degree 〉=17,60min degree of mobilization 〉=25, the free bleeding rate of 24h is 0,24 hour free shrinkage≤0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074153.6A CN103193414B (en) | 2013-03-08 | 2013-03-08 | Post-tensioning prestressed concrete beam pore high-strength grouting agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074153.6A CN103193414B (en) | 2013-03-08 | 2013-03-08 | Post-tensioning prestressed concrete beam pore high-strength grouting agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103193414A true CN103193414A (en) | 2013-07-10 |
| CN103193414B CN103193414B (en) | 2014-09-03 |
Family
ID=48716257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310074153.6A Active CN103193414B (en) | 2013-03-08 | 2013-03-08 | Post-tensioning prestressed concrete beam pore high-strength grouting agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103193414B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803832A (en) * | 2013-12-23 | 2014-05-21 | 山西凯迪建材有限公司 | Formula and method for preparing post-tensioned prestress duct grouting agent |
| CN104045277A (en) * | 2014-06-27 | 2014-09-17 | 无锡市崇安区科技创业服务中心 | Cement mortar and preparation method thereof |
| CN104072063A (en) * | 2014-07-01 | 2014-10-01 | 吉林省嘉鹏建设集团有限公司 | Grouting material for high fluidity post-tensioning prestressed pipe and preparation method of grouting material |
| CN106116322A (en) * | 2016-06-14 | 2016-11-16 | 湖北中桥科技有限公司 | High fluidity ungauged regions grouting agent and preparation method thereof |
| CN108275908A (en) * | 2018-02-05 | 2018-07-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of low grade high flowability concrete plasticity micro-crack defect inhibitor and preparation method thereof |
| CN109095813A (en) * | 2018-08-03 | 2018-12-28 | 山东省水利勘测设计院 | Composite additive and its application in channel side slopes lining concrete technique |
| CN110015871A (en) * | 2019-05-08 | 2019-07-16 | 天津市建筑科学研究院有限公司 | A kind of anti-corrosion reinforcing bar sleeve for connection grouting material and preparation method thereof |
| CN111393067A (en) * | 2020-03-29 | 2020-07-10 | 山东惠邦建材科技股份有限公司 | Low-dosage grouting agent |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05279101A (en) * | 1992-04-02 | 1993-10-26 | Kajima Corp | Cast-in-place fresh concrete having high packing property |
| JPH06305804A (en) * | 1993-04-21 | 1994-11-01 | Shin Etsu Chem Co Ltd | Preparation of concrete kneaded product |
| CN101134645A (en) * | 2007-08-02 | 2008-03-05 | 江西赣丰水泥有限责任公司 | Anti-cracking reinforced ecological cement |
| CN101817656A (en) * | 2009-02-26 | 2010-09-01 | 北京东方雨虹防水技术股份有限公司 | Post stressed concrete beam pipe mudjacking agent |
| CN102092982A (en) * | 2010-12-30 | 2011-06-15 | 济南鲁新新型建材有限公司 | Concrete pipeline mud-jacking agent and preparation method |
| CN102115314A (en) * | 2009-12-31 | 2011-07-06 | 北京市建筑工程研究院 | Duct grouting agent for post-tensioning prestressed concrete beams |
| CN102531502A (en) * | 2012-03-02 | 2012-07-04 | 河南省交通科学技术研究院有限公司 | Post-tensioning prestressed concrete porelike grouting agent and preparation method thereof, and grouting material |
| CN102584101A (en) * | 2012-01-20 | 2012-07-18 | 南京瑞迪高新技术有限公司 | Special grouting agent for post-tensioned prestressed concrete beams of highway bridges and culverts and preparation method thereof |
-
2013
- 2013-03-08 CN CN201310074153.6A patent/CN103193414B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05279101A (en) * | 1992-04-02 | 1993-10-26 | Kajima Corp | Cast-in-place fresh concrete having high packing property |
| JPH06305804A (en) * | 1993-04-21 | 1994-11-01 | Shin Etsu Chem Co Ltd | Preparation of concrete kneaded product |
| CN101134645A (en) * | 2007-08-02 | 2008-03-05 | 江西赣丰水泥有限责任公司 | Anti-cracking reinforced ecological cement |
| CN101817656A (en) * | 2009-02-26 | 2010-09-01 | 北京东方雨虹防水技术股份有限公司 | Post stressed concrete beam pipe mudjacking agent |
| CN102115314A (en) * | 2009-12-31 | 2011-07-06 | 北京市建筑工程研究院 | Duct grouting agent for post-tensioning prestressed concrete beams |
| CN102092982A (en) * | 2010-12-30 | 2011-06-15 | 济南鲁新新型建材有限公司 | Concrete pipeline mud-jacking agent and preparation method |
| CN102584101A (en) * | 2012-01-20 | 2012-07-18 | 南京瑞迪高新技术有限公司 | Special grouting agent for post-tensioned prestressed concrete beams of highway bridges and culverts and preparation method thereof |
| CN102531502A (en) * | 2012-03-02 | 2012-07-04 | 河南省交通科学技术研究院有限公司 | Post-tensioning prestressed concrete porelike grouting agent and preparation method thereof, and grouting material |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803832A (en) * | 2013-12-23 | 2014-05-21 | 山西凯迪建材有限公司 | Formula and method for preparing post-tensioned prestress duct grouting agent |
| CN104045277A (en) * | 2014-06-27 | 2014-09-17 | 无锡市崇安区科技创业服务中心 | Cement mortar and preparation method thereof |
| CN104045277B (en) * | 2014-06-27 | 2016-01-20 | 无锡市崇安区科技创业服务中心 | A kind of grout and preparation method thereof |
| CN104072063A (en) * | 2014-07-01 | 2014-10-01 | 吉林省嘉鹏建设集团有限公司 | Grouting material for high fluidity post-tensioning prestressed pipe and preparation method of grouting material |
| CN106116322A (en) * | 2016-06-14 | 2016-11-16 | 湖北中桥科技有限公司 | High fluidity ungauged regions grouting agent and preparation method thereof |
| CN108275908A (en) * | 2018-02-05 | 2018-07-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of low grade high flowability concrete plasticity micro-crack defect inhibitor and preparation method thereof |
| CN109095813A (en) * | 2018-08-03 | 2018-12-28 | 山东省水利勘测设计院 | Composite additive and its application in channel side slopes lining concrete technique |
| CN109095813B (en) * | 2018-08-03 | 2021-05-07 | 山东省水利勘测设计院 | Composite additive and application thereof in channel side slope lining concrete process |
| CN110015871A (en) * | 2019-05-08 | 2019-07-16 | 天津市建筑科学研究院有限公司 | A kind of anti-corrosion reinforcing bar sleeve for connection grouting material and preparation method thereof |
| CN111393067A (en) * | 2020-03-29 | 2020-07-10 | 山东惠邦建材科技股份有限公司 | Low-dosage grouting agent |
| CN111393067B (en) * | 2020-03-29 | 2022-05-06 | 山东惠邦建材科技股份有限公司 | Low-dosage grouting agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103193414B (en) | 2014-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103193414B (en) | Post-tensioning prestressed concrete beam pore high-strength grouting agent | |
| CN106699077B (en) | A kind of assembled architecture bar connecting sleeve grouting material | |
| CN102584101B (en) | Special grouting agent for post-tensioned prestressed concrete beams of highway bridges and culverts and preparation method thereof | |
| CN103435301B (en) | A kind of upper flow regime microdilatancy back-tension prestressed channel mudjacking agent and preparation method | |
| CN103265253B (en) | High-performance grouting material for prefabricated building construction, and preparation method thereof | |
| CN102363575B (en) | Waste chamotte brick regeneration and utilization method, and concrete doped with waste chamotte brick powder | |
| WO2017067411A1 (en) | Self-compacting concrete for use as crts iii slab ballastless railway track filler layer and method for preparation thereof | |
| CN106242429A (en) | A kind of high tenacity concrete reinforced by assorted fiber and preparation method thereof | |
| CN104402338A (en) | Preparation and application of two-component self-compacting concrete for slab ballastless track | |
| CN104556881A (en) | Ultrahigh-toughness concrete and preparation method thereof | |
| CN102199025B (en) | Structure reinforcing material taking steel slag as aggregate | |
| CN1792978A (en) | Machine-made sand self-compacting concrete | |
| CN111116132A (en) | Grouting material for combined structure and assembly type building node and preparation method thereof | |
| CN103332892A (en) | Industrial waste residue dry-mixed mortar | |
| CN111533504A (en) | Ultrahigh-performance concrete formed by mixing machine-made sand and aeolian sand and preparation method thereof | |
| CN105272004A (en) | Light-weight high-strength cement-based composite material | |
| CN106927761A (en) | The high performance concrete of admixture iron tailings sand, silicon ash and basalt fibre | |
| CN102503317B (en) | High-dopant slurry-infiltrated fibrous concrete filled ultralong steel tube arch high-strength concrete and preparation method thereof | |
| CN109053102A (en) | A kind of highly resistance folding high fluidity endurance concrete | |
| CN101993232A (en) | Crack-resisting masonry mortar for air-entrapping brick wall body, prepared from desulfurization gypsum powder | |
| CN104150840A (en) | C60 full-manufactured sand super high-rise pump concrete | |
| CN104072063A (en) | Grouting material for high fluidity post-tensioning prestressed pipe and preparation method of grouting material | |
| KR20140105965A (en) | Hybrid material of self consolidating concrete(scc) | |
| CN104860613A (en) | 160MPa super-strength concrete with high cracking resistance and high fluidity | |
| CN105016671A (en) | Superfluid self-compacting concrete and preparing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160329 Address after: 224300, Jiangsu, Yancheng City County, Sheyang Haihe town martyrs village national Pioneering Park Patentee after: Rui Jiangsu new Mstar Technology Ltd Address before: 224300 Jiangsu Province, Yancheng City East Road, modern Vista District 2 building 401 Patentee before: Jiang Chengfei |