CN103570307A - Anticorrosion rust-proof pre-stressed duct grouting material - Google Patents
Anticorrosion rust-proof pre-stressed duct grouting material Download PDFInfo
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- CN103570307A CN103570307A CN201210258236.6A CN201210258236A CN103570307A CN 103570307 A CN103570307 A CN 103570307A CN 201210258236 A CN201210258236 A CN 201210258236A CN 103570307 A CN103570307 A CN 103570307A
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Abstract
The invention relates to a building material, and particularly relates to an anticorrosion rust-proof pre-stressed duct grouting material. According to the technical scheme of grouting material, the grouting material is prepared by mixing water and following raw materials by weight : 700-900 parts of ordinary portland cement having a strength of 42.5 grades or higher or low-alkali cement having a strength of 42.5 grades or higher, 10-15 parts of an efficient water reducer, 20-85 parts of a micro-expanded component, 1-2 parts of a retarding component, 30-100 parts of a filling material and 20-50 parts of an anticorrosion rust-proof component. By adoption of the technical scheme, the grouting material has following beneficial effects: low water-binder ratio (0.26-0.28), good flowing property (an initial fluidity is lower than 17 s); zero bleeding rate, micro-expansibility, early strength and high strength, and good working performances.
Description
Technical field
The present invention relates to building material, relate in particular to corrosion-prevention rust-resistance type prestress hole path pressure grouting material.
Background technology
In post-stressed duct, presstressed reinforcing steel and hole path pressure grouting, in occupation of very important status, are the keys that can prestress correctly set up and reach purpose of design.
In the prestress hole path pressure grouting employing Portland cement of now a lot of units in charge of construction, mix swelling agent and water reducer and add after a large amount of mixing waters stir and carry out mud jacking, adopt this kind of mode mud jacking can often occur following bad phenomenon, such as: mud jacking is not full, poor with presstressed reinforcing steel bond stress, bleeding, in the water adopting, containing be corrosive chlorion or sulfate ion, cause presstressed reinforcing steel corrosion etc., if pre-impact force pore squeezing quality exists defect and presstressed reinforcing steel corrosion meeting to cause presstressed reinforcing steel performance to reduce, thereby affect security and the weather resistance of structure.After presstressed reinforcing steel corrosion to a certain extent, can make prestressed failure, cause structural bearing capacity partly or entirely to lose efficacy, especially fatal in the long-span bridge girder construction that this harm plays a major role to structural bearing capacity at prestress system, because it often may cause that bridge structure does not have the destruction of tendency in operation, and will cause heavy losses to people life property safety.
Summary of the invention
Goal of the invention: in order to provide a kind of, the rear microdilatancy of prestressed pore passage slurry sclerosis is not shunk, make duct slurry more closely knit, be conducive to protect presstressed reinforcing steel not by corrosion, improve the corrosion-prevention rust-resistance type prestress hole path pressure grouting material in prestressed pore passage life-span.
In order to reach as above object, the technical scheme that the present invention takes is: the raw material that comprises following weight part adds water and mixes: intensity is 42.5 grades and above ordinary Portland cement or low alkali cement 700-900 part, high efficiency water reducing agent 10-15 part, microdilatancy component 20-85 part, slow setting component 1-2 part, stuffing component 30-100 part, corrosion-prevention rust-resistance component 20-50 part.
The further technical scheme of the present invention is, also comprises following material in described mixture: active material 20-50 part, antisolvent precipitation component 1-2 part, guarantor's suspension component 1-2 part, defoamer 0.1-0.3 part, induced gas component 0.1-0.2 part.
The further technical scheme of the present invention is, described active material is ultrafine slag powder or superfined flyash.
The further technical scheme of the present invention is, described high efficiency water reducing agent is one or more in high-efficiency water-reducing agent of poly-carboxylic acid, naphthalene series high-efficiency water-reducing agent, amino high efficiency water reducing agent or aliphatic high-efficiency water reducing agent.
The further technical scheme of the present invention is, described microdilatancy component is one or more in UEA swelling agent, AEA swelling agent or plaster stone.
The further technical scheme of the present invention is, described slow setting component is one or more in molasses, Sunmorl N 60S, tartrate or Trisodium Citrate.
The further technical scheme of the present invention is, described antisolvent precipitation component is one or more in sodium polyacrylate, Sodium Benzoate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99 or sodium polyphosphate.
The further technical scheme of the present invention is, the described guarantor component that suspends is ultra-fine clay or ultrafine kaolin.
The further technical scheme of the present invention is, described stuffing component is ultrafine quartz powder or coarse whiting.
The further technical scheme of the present invention is, described corrosion-prevention rust-resistance component is sanitas.
Adopt as above the present invention of technical scheme, there is following beneficial effect:
(1) low water binder ratio (water-cement ratio is only 0.27 ± 0.01);
(2) good flowing property (slurry go out machine degree of mobilization and can reach 13s, 60min degree of mobilization still remains in 25s);
(3) good serviceability (presetting period >=5h, final setting time≤24h);
(4) zero bleeding rate (between 3h steel wire, the free bleeding rate of bleeding rate and 24h is 0);
(5) micro-expansibility (3h degree of free swelling 0-2%, 24h degree of free swelling 0-3%);
(6) early strengthening and high strengthening (3d ultimate compression strength >=20MPa, 28d ultimate compression strength >=50MPa);
(7) unharmful substance or can effectively stop the features such as erosion (as villaumite, vitriol and nitrite etc.) of objectionable impurities.
Embodiment
Below embodiments of the invention are described, embodiment is not construed as limiting the invention:
Corrosion-prevention rust-resistance type prestress hole path pressure grouting material, be mainly a kind of post-stressed hole path pressure grouting material, the raw material that comprises following weight part adds water and mixes: intensity is 42.5 grades and above ordinary Portland cement or low alkali cement 700-900 part, high efficiency water reducing agent 10-15 part, microdilatancy component 20-85 part, slow setting component 1-2 part, stuffing component 30-100 part, corrosion-prevention rust-resistance component 20-50 part.
In described mixture, also comprise following material: active material 20-50 part, antisolvent precipitation component 1-2 part, protect 0.1～0.2 part of suspension component 1-2 part, defoamer 0.1-0.3 part, induced gas component.
Described active material is ultrafine slag powder or superfined flyash.
Described high efficiency water reducing agent is one or more in high-efficiency water-reducing agent of poly-carboxylic acid, naphthalene series high-efficiency water-reducing agent, amino high efficiency water reducing agent or aliphatic high-efficiency water reducing agent.
Described microdilatancy component is one or more in UEA swelling agent, AEA swelling agent or plaster stone.
Described slow setting component is one or more in molasses, Sunmorl N 60S, tartrate or Trisodium Citrate.
Described antisolvent precipitation component is one or more in sodium polyacrylate, Sodium Benzoate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99 or sodium polyphosphate.
The described guarantor component that suspends is ultra-fine clay or ultrafine kaolin.
Described stuffing component is ultrafine quartz powder or coarse whiting.
Described corrosion-prevention rust-resistance component is the combination of sulfate resistance and villaumite sanitas.
Each method of the system of above-mentioned post-stressed hole path pressure grouting material: take raw material according to said ratio, stir.
Ultra-fine particle diameter in following examples was sieves more than 1000 orders.
Embodiment 1
According to following mass parts, take raw material: 900 parts of P052.5 level silicate cements, 10 parts of high efficiency water reducing agents, 20 parts of AEA swelling agents, 1 part, tartrate, 1 part of ultrafine kaolin, 30 parts of ultrafine quartz powders, 20 parts of superfined flyashs, 0.1 part of defoamer, 0.1 part of air entrapment agent, 20 parts of sanitass, then stir.
The grouting material that the present embodiment is made adds 0.26～0.28 water, stirs and prepares mud jacking material, and for back-tension prestressed channel mudjacking construction, its performance is in Table 1.
Example 2
According to following mass parts, take raw material: 840 parts of P042.5R silicate cements, 12 parts of high efficiency water reducing agents, 1.5 parts, molasses, 1 part of sodium polyacrylate, 1.4 parts of ultrafine kaolins, 40 parts of ultrafine slag powders, 60 parts of coarse whitings, 65 parts of UEA swelling agents, 0.2 part of defoamer, 0.2 part of air entrapment agent, 30 parts of sanitass, then stir.
The grouting material that the present embodiment is made adds 0 26～0.28 water, stirs and prepares mud jacking material, and for post-stressed hole path pressure grouting construction, its performance is in Table 1.
Embodiment 3
According to following mass parts, take raw material: 700 parts of P042.5 silicate cements, 15 parts of high efficiency water reducing agents, 20 parts of UEA swelling agents, 2 parts, molasses, 2 parts of sodium polyacrylates, 2 parts of ultrafine kaolins, 50 parts of ultrafine slag powders, 100 parts of coarse whitings, 85 parts of UEA swelling agents, 0.3 part of defoamer, 0.2 part of air entrapment agent, 50 parts of sanitass, then stir.
The grouting material that the present embodiment is made adds 0 26～0.28 water, stirs and prepares mud jacking material, and for post-stressed hole path pressure grouting construction, its performance is in Table 1.
Each embodiment performance index table of table 1
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand the present invention and not be restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (10)
1. corrosion-prevention rust-resistance type prestress hole path pressure grouting material, it is characterized in that, the raw material that comprises following weight part adds water and mixes: intensity is 42.5 grades and above ordinary Portland cement or low alkali cement 700-900 part, high efficiency water reducing agent 10-15 part, microdilatancy component 20-85 part, slow setting component 1-2 part, stuffing component 30-100 part, corrosion-prevention rust-resistance component 20-50 part.
2. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, it is characterized in that, in described mixture, also comprise following material: active material 20-50 part, antisolvent precipitation component 1-2 part, guarantor's suspension component 1-2 part, defoamer 0.1-0.3 part, induced gas component 0.1-0.2 part.
3. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 2, is characterized in that, described active material is ultrafine slag powder or superfined flyash.
4. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, is characterized in that, described high efficiency water reducing agent is one or more in high-efficiency water-reducing agent of poly-carboxylic acid, naphthalene series high-efficiency water-reducing agent, amino high efficiency water reducing agent or aliphatic high-efficiency water reducing agent.
5. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, is characterized in that, described microdilatancy component is one or more in UEA swelling agent, AEA swelling agent or plaster stone.
6. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, is characterized in that, described slow setting component is one or more in molasses, Sunmorl N 60S, tartrate or Trisodium Citrate.
7. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 2, is characterized in that, described antisolvent precipitation component is one or more in sodium polyacrylate, Sodium Benzoate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99 or sodium polyphosphate.
8. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 2, is characterized in that, the described guarantor component that suspends is ultra-fine clay or ultrafine kaolin.
9. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, is characterized in that, described stuffing component is ultrafine quartz powder or coarse whiting.
10. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, is characterized in that, described corrosion-prevention rust-resistance component is sanitas.
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| CN201210258236.6A CN103570307B (en) | 2012-07-25 | 2012-07-25 | Corrosion-prevention rust-resistance type prestress hole path pressure grouting material |
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| CN201210258236.6A CN103570307B (en) | 2012-07-25 | 2012-07-25 | Corrosion-prevention rust-resistance type prestress hole path pressure grouting material |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910512A (en) * | 2014-03-13 | 2014-07-09 | 东南大学 | Post-tensioned prestressed pore channel grouting material |
| CN104876496A (en) * | 2014-11-28 | 2015-09-02 | 陈熙贵 | Novel bridge post-tensioned prestressed tunnel grouting material and preparation method thereof |
| CN105272069A (en) * | 2015-11-23 | 2016-01-27 | 河南理工大学 | Superfine portland cement-based injecting paste material and preparation method thereof |
| CN106587839A (en) * | 2016-12-15 | 2017-04-26 | 江西省萍乡市联友建材有限公司 | Shrinkage-free, self-maintaining and anti-corrosive mud jacking agent |
| CN108218346A (en) * | 2018-01-29 | 2018-06-29 | 云南森博混凝土外加剂有限公司 | A kind of grouting material and preparation method thereof |
| CN109608081A (en) * | 2018-12-29 | 2019-04-12 | 北京科技大学 | Reduce the synergist and preparation method of mountain flour absorption property in siliceous Machine-made Sand |
| US10259949B2 (en) * | 2015-01-26 | 2019-04-16 | United States Mineral Products Company | Corrosion resistant spray applied fire resistive materials |
| CN109928702A (en) * | 2019-04-24 | 2019-06-25 | 贵州省交通规划勘察设计研究院股份有限公司 | A kind of bridge prestress pore channel injecting paste material and preparation method thereof |
| CN114507049A (en) * | 2022-02-24 | 2022-05-17 | 山东铁壁虎建材有限公司 | Self-compacting pipeline grouting material and preparation method thereof |
| CN114956711A (en) * | 2022-03-18 | 2022-08-30 | 石家庄市易达恒联路桥材料有限公司 | Post-tensioned prestressed duct grouting material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602589A (en) * | 2009-06-30 | 2009-12-16 | 中国地质大学（武汉） | Post-tensioned prestressing pipeline vacuum grouting or mud jacking preformed material 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 |
| 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 |
-
2012
- 2012-07-25 CN CN201210258236.6A patent/CN103570307B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602589A (en) * | 2009-06-30 | 2009-12-16 | 中国地质大学（武汉） | Post-tensioned prestressing pipeline vacuum grouting or mud jacking preformed material and preparation method thereof |
| 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 (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910512A (en) * | 2014-03-13 | 2014-07-09 | 东南大学 | Post-tensioned prestressed pore channel grouting material |
| CN104876496A (en) * | 2014-11-28 | 2015-09-02 | 陈熙贵 | Novel bridge post-tensioned prestressed tunnel grouting material and preparation method thereof |
| US10259949B2 (en) * | 2015-01-26 | 2019-04-16 | United States Mineral Products Company | Corrosion resistant spray applied fire resistive materials |
| CN105272069A (en) * | 2015-11-23 | 2016-01-27 | 河南理工大学 | Superfine portland cement-based injecting paste material and preparation method thereof |
| CN106587839A (en) * | 2016-12-15 | 2017-04-26 | 江西省萍乡市联友建材有限公司 | Shrinkage-free, self-maintaining and anti-corrosive mud jacking agent |
| CN106587839B (en) * | 2016-12-15 | 2018-09-25 | 江西省萍乡市联友建材有限公司 | A kind of grouting agent of ungauged regions, Self-curing, anticorrosive function |
| CN108218346A (en) * | 2018-01-29 | 2018-06-29 | 云南森博混凝土外加剂有限公司 | A kind of grouting material and preparation method thereof |
| CN109608081A (en) * | 2018-12-29 | 2019-04-12 | 北京科技大学 | Reduce the synergist and preparation method of mountain flour absorption property in siliceous Machine-made Sand |
| CN109608081B (en) * | 2018-12-29 | 2020-09-29 | 北京科技大学 | Synergist for reducing stone powder adsorption performance in siliceous machine-made sand and preparation method thereof |
| CN109928702A (en) * | 2019-04-24 | 2019-06-25 | 贵州省交通规划勘察设计研究院股份有限公司 | A kind of bridge prestress pore channel injecting paste material and preparation method thereof |
| CN114507049A (en) * | 2022-02-24 | 2022-05-17 | 山东铁壁虎建材有限公司 | Self-compacting pipeline grouting material and preparation method thereof |
| CN114956711A (en) * | 2022-03-18 | 2022-08-30 | 石家庄市易达恒联路桥材料有限公司 | Post-tensioned prestressed duct grouting material and preparation method thereof |
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| CN103570307B (en) | 2016-02-03 |
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