CN103570307B - Corrosion-prevention rust-resistance type prestress hole path pressure grouting material - Google Patents
Corrosion-prevention rust-resistance type prestress hole path pressure grouting material Download PDFInfo
- Publication number
- CN103570307B CN103570307B CN201210258236.6A CN201210258236A CN103570307B CN 103570307 B CN103570307 B CN 103570307B CN 201210258236 A CN201210258236 A CN 201210258236A CN 103570307 B CN103570307 B CN 103570307B
- Authority
- CN
- China
- Prior art keywords
- component
- corrosion
- prevention rust
- pressure grouting
- hole path
- 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.)
- Active
Links
Abstract
The present invention relates to building material, particularly relate to corrosion-prevention rust-resistance type prestress hole path pressure grouting material.The technical scheme that the present invention takes is that the raw material comprising 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.Adopt the present invention of as above technical scheme, there is following beneficial effect: low water binder ratio (0.26 ~ 0.28); Excellent flowing property (initial flow degree is less than 17s); Zero bleeding rate; Micro-expansibility; Early strengthening and high strengthening; Good serviceability.
Description
Technical field
The present invention relates to building material, particularly relate 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 that can prestress correctly be set up and reach the key of purpose of design.
Now the prestress hole path pressure grouting of a lot of unit in charge of construction adopts in Portland cement to mix swelling agent and water reducer and add after a large amount of mixing water stirs and carries out mud jacking, adopt this kind of mode mud jacking often can occur following bad phenomenon, such as: mud jacking is not full, poor with presstressed reinforcing steel bond stress, bleeding, presstressed reinforcing steel corrosion etc. is caused containing be corrosive chlorion or sulfate ion in the water adopted, if pre-impact force pore squeezing quality existing defects and presstressed reinforcing steel corrosion can cause presstressed reinforcing steel performance to reduce, thus affect security and the weather resistance of structure.When making prestressed failure after presstressed reinforcing steel corrosion to a certain extent, structural bearing capacity is caused 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 bridge structure 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: after prestressed pore passage slurry being hardened in order to provide one, microdilatancy is not shunk, and makes duct slurry more closely knit, is conducive to protection presstressed reinforcing steel not by corrosion, improves 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 comprising 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 components 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, aminosulfonate-based superplasticizer 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, described guarantor's suspension components 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 the present invention of as above technical scheme, there is following beneficial effect:
(1) low water binder ratio (water-cement ratio is only 0.27 ± 0.01);
(2) excellent flowing property (slurry go out machine degree of mobilization and can reach 13s, 60min degree of mobilization still remains within 25s);
(3) good serviceability (presetting period >=5h, final setting time≤24h);
(4) zero bleeding rates (between 3h steel wire, bleeding rate and the free bleeding rate of 24h are 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) feature such as unharmful substance or the erosion (as villaumite, vitriol and nitrite etc.) that effectively can stop objectionable impurities.
Embodiment
Be described embodiments of the invention below, embodiment is not construed as limiting the invention:
Corrosion-prevention rust-resistance type prestress hole path pressure grouting material, a mainly post-stressed hole path pressure grouting material, the raw material comprising 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.
Following material is also comprised: active material 20-50 part, antisolvent precipitation component 1-2 part, guarantor's suspension components 1-2 part, defoamer 0.1-0.3 part, induced gas component 0.1 ~ 0.2 part in described mixture.
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, aminosulfonate-based superplasticizer 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.
Described guarantor's suspension components 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.
The each method of 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 the sieve of more than 1000 orders.
Embodiment 1
Raw material is taken: P052.5 level silicate cement 900 parts, high efficiency water reducing agent 10 parts, AEA swelling agent 20 parts, 1 part, tartrate, ultrafine kaolin 1 part, ultrafine quartz powder 30 parts, superfined flyash 20 parts, defoamer 0.1 part, air entrapment agent 0.1 part, sanitas 20 parts, then stir according to following mass parts.
The grouting material obtained by the present embodiment adds the water of 0.26 ~ 0.28, stirs and prepares press mortar, and for back-tension prestressed channel mudjacking construction, its performance is in table 1.
Example 2
Raw material is taken: P042.5R silicate cement 840 parts, high efficiency water reducing agent 12 parts, 1.5 parts, molasses, sodium polyacrylate 1 part, ultrafine kaolin 1.4 parts, ultrafine slag powder 40 parts, coarse whiting 60 parts, UEA swelling agent 65 parts, defoamer 0.2 part, air entrapment agent 0.2 part, sanitas 30 parts, then stir according to following mass parts.
The grouting material obtained by the present embodiment adds the water of 026 ~ 0.28, stirs and prepares press mortar, constructs for post-stressed hole path pressure grouting, and its performance is in table 1.
Embodiment 3
Raw material is taken: P042.5 silicate cement 700 parts, high efficiency water reducing agent 15 parts, UEA swelling agent 20 parts according to following mass parts, 2 parts, molasses, sodium polyacrylate 2 parts, ultrafine kaolin 2 parts, ultrafine slag powder 50 parts, coarse whiting 100 parts, UEA swelling agent 85 parts, defoamer 0.3 part, air entrapment agent 0.2 part, sanitas 50 parts, then stir.
The grouting material obtained by the present embodiment adds the water of 026 ~ 0.28, stirs and prepares press mortar, constructs for post-stressed hole path pressure grouting, and its performance is in table 1.
Table 1 each embodiment performance index table
More than show and describe 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; what describe in above-described embodiment and specification sheets 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 (6)
1. corrosion-prevention rust-resistance type prestress hole path pressure grouting material, it is characterized in that, the raw material comprising 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, also comprise following material: active material 20-50 part, antisolvent precipitation component 1-2 part, protect suspension components 1-2 part, defoamer 0.1-0.3 part, induced gas component 0.1-0.2 part, described active material is ultrafine slag powder or superfined flyash, described microdilatancy component is UEA swelling agent, one or more in AEA swelling agent or plaster stone, described corrosion-prevention rust-resistance component is sanitas.
2. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, it 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, aminosulfonate-based superplasticizer or aliphatic high-efficiency water reducing agent.
3. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, it is characterized in that, described slow setting component is one or more in molasses, Sunmorl N 60S, tartrate or Trisodium Citrate.
4. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 2, it is characterized in that, described antisolvent precipitation component is one or more in sodium polyacrylate, Sodium Benzoate or sodium polyphosphate.
5. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 2, it is characterized in that, described guarantor's suspension components is ultra-fine clay or ultrafine kaolin.
6. corrosion-prevention rust-resistance type prestress hole path pressure grouting material as claimed in claim 1, it is characterized in that, described stuffing component is ultrafine quartz powder or coarse whiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258236.6A CN103570307B (en) | 2012-07-25 | 2012-07-25 | Corrosion-prevention rust-resistance type prestress hole path pressure grouting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258236.6A CN103570307B (en) | 2012-07-25 | 2012-07-25 | Corrosion-prevention rust-resistance type prestress hole path pressure grouting material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103570307A CN103570307A (en) | 2014-02-12 |
| CN103570307B true CN103570307B (en) | 2016-02-03 |
Family
ID=50043107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210258236.6A Active CN103570307B (en) | 2012-07-25 | 2012-07-25 | Corrosion-prevention rust-resistance type prestress hole path pressure grouting material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103570307B (en) |
Families Citing this family (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 |
| CN104876496B (en) * | 2014-11-28 | 2017-09-12 | 陈熙贵 | A kind of bridge back-tension prestressed channel mudjacking material and preparation method thereof |
| KR20170108044A (en) * | 2015-01-26 | 2017-09-26 | 유나이티드스테이트즈미네랄프로덕츠캄파니 | Corrosion resistant spray application refractory |
| CN105272069B (en) * | 2015-11-23 | 2017-06-30 | 河南理工大学 | A kind of ultra-fine portland cement base grouting material and preparation method thereof |
| 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 |
| 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 |
| CN114956711B (en) * | 2022-03-18 | 2023-08-01 | 石家庄市易达恒联路桥材料有限公司 | Post-tensioning 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103570307A (en) | 2014-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103570307B (en) | Corrosion-prevention rust-resistance type prestress hole path pressure grouting material | |
| CN111689752B (en) | Multi-source solid waste base grouting cementing material and preparation method and application thereof | |
| CN104556881B (en) | A kind of superhigh tenacity concrete and preparation method thereof | |
| CN102584101B (en) | Special grouting agent for post-tensioned prestressed concrete beams of highway bridges and culverts and preparation method thereof | |
| CN106699077A (en) | Sleeve grouting material for assembly type building steel bar connection | |
| CN103896527A (en) | Lightweight high-strength cement based composite material | |
| CN109206095B (en) | Micro-expansion ultra-high performance concrete and preparation method thereof | |
| CN103193414B (en) | Post-tensioning prestressed concrete beam pore high-strength grouting agent | |
| CN101817656A (en) | Post stressed concrete beam pipe mudjacking agent | |
| CN104671729A (en) | Sulfate-resistant concrete | |
| CN107902997B (en) | Pumpable counterweight concrete | |
| CN110183136B (en) | Concrete corrosion and rust inhibitor and preparation method thereof | |
| CN104386965A (en) | Sulfate-resistant and corrosion-resistant impervious non-autoclaved C80P12 concrete pipe pile | |
| CN104176964A (en) | Concrete composite antiseptic | |
| CN112624720B (en) | High-chlorine ion corrosion resistance auxiliary cementing material and preparation method thereof | |
| CN111233370A (en) | Self-compacting waterproof agent for concrete structure and preparation method and application thereof | |
| CN104402366A (en) | Post-tensioned pre-stressing pipeline grouting agent | |
| CN106565164A (en) | Modified high-sulfate-resistant corrosion-resistant concrete | |
| CN109020420A (en) | A kind of reinforcing bar sleeve for connection grouting material and preparation method thereof with rust prevention function | |
| CN113501685B (en) | Regenerated concrete resistant to sulfate and chloride corrosion and preparation method thereof | |
| CN103193405B (en) | Silicon ash paste materials, its preparations and applicatio | |
| CN104129962B (en) | A kind of post-stressed hole path pressure grouting agent and preparation method thereof | |
| CN110451840B (en) | Composite type compacting agent | |
| CN110776267A (en) | Inorganic cementing material prepared from Bayer process red mud and preparation method thereof | |
| CN110606705A (en) | High flow state fair-faced concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 710000 No. C6, Northwest ABP Base, Yuhua Industrial Park, 58 Science and Technology West Road, Yanta District, Xi'an, Shaanxi Province Patentee after: SHAANXI JIAOKE NEW MATERIAL CO.,LTD. Address before: 710075, 6, 6, No. 65, No. 65, No. 65, No. two road, Hi-tech Zone, Yanta District, Xi'an City, Shaanxi Patentee before: SHAANXI TONGYU NEW MATERIALS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710000 C6 building, northwest base of Fisheries Chemical Industrial Park, 58 West tech Road, Yanta District, Xi'an, Shaanxi Patentee after: Shaanxi Traffic Control New Materials Co.,Ltd. Address before: 710000 C6 building, northwest base of Fisheries Chemical Industrial Park, 58 West tech Road, Yanta District, Xi'an, Shaanxi Patentee before: SHAANXI JIAOKE NEW MATERIAL CO.,LTD. |