CN108546063A - The special dry powder sleeve grouting material of bar connecting and its preparation - Google Patents
The special dry powder sleeve grouting material of bar connecting and its preparation Download PDFInfo
- Publication number
- CN108546063A CN108546063A CN201810340505.0A CN201810340505A CN108546063A CN 108546063 A CN108546063 A CN 108546063A CN 201810340505 A CN201810340505 A CN 201810340505A CN 108546063 A CN108546063 A CN 108546063A
- Authority
- CN
- China
- Prior art keywords
- parts
- grouting material
- bar connecting
- dry powder
- sleeve grouting
- 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.)
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of special dry powder sleeve grouting material of bar connecting, the group of the special dry powder sleeve grouting material of bar connecting becomes：52.5 grades of 250 450 parts of portland cements, 42.5 grades of 100 150 parts of sulphate aluminium cements, 50 100 parts of steel-making slag powder, 20 50 parts of desulfurated plaster, 10 20 parts of silicon ash, 400 500 parts of artificial sand, 5 10 parts of swelling agent, 5 10 parts of water-reducing agent, 01 parts of antifoaming agent.The special dry powder sleeve grouting material of bar connecting of the present invention in use, add water control to make the ratio of mud, stirring into slurry can construct at the scene.Since the special dry powder sleeve grouting material of bar connecting is produced in batches in factory in advance, the quality of the special dry powder sleeve grouting material of bar connecting can be protected.The sleeve grouting material of the present invention have many advantages, such as mobility greatly, it is early stage and later strength height, ungauged regions, good, at low cost without bleeding, good durability, stability.
Description
Technical field
The present invention relates to a kind of special dry powder sleeve grouting materials of bar connecting, belong to construction engineering technical field.
Background technology
Currently, assembled architecture is since construction speed is fast, efficiency is high, construction quality is stable, energy conservation and environmental protection, using more
Come more extensive, becomes one important developing direction of Contemporary Architecture.Sleeve grouting technique is the connection of assembled architecture prefabricated components
Key, the performances such as globality and shock resistance to fabricated construction have important influence.As country is to assembled architecture
Promotion efficiency increase, the application of sleeve grouting material is more and more, the performance of sleeve grouting material quality to ensuring sleeve connection
The safety of technology plays a crucial role.It is required that sleeve grouting material will not only have higher compression strength, certain swollen
Swollen rate, good application property, suitable fluidity and operable time, also want the reduction of cost.
Invention content
The purpose of the present invention is to provide a kind of special dry powder sleeve grouting materials of bar connecting.
A kind of special dry powder sleeve grouting material of bar connecting, it is characterised in that the special dry powder sleeve grouting material of the bar connecting
Composition and mass fraction be：
52.5 grades of 250-450 parts of portland cements
42.5 grades of 100-150 parts of sulphate aluminium cements
50-100 parts of steel-making slag powder
20-50 parts of desulfurated plaster
10-20 parts of silicon ash
400-500 parts of artificial sand
5-10 parts of swelling agent
5-10 parts of water-reducing agent
0-1 parts of antifoaming agent
The steel-making slag powder is to meet converter or electric furnace slag as defined in YB/TO22 standards, through drying, iron removal by magnetic separation and superfine powder
Grinding process, is processed into grain size≤30 μm, the slag micro powder of the ㎡/㎏ of specific surface area >=600；
The desulfurated plaster is by generated waste residue after coal fired power plant flue gas desulfurization, by half water stone of β types made of calcining
Cream, it is desirable that wherein β-CaSO41/2 H2O >=85%.
The cement grinding process additive for meeting JC/T667 standards is added in grinding for above-mentioned steel-making slag powder.
Above-mentioned silicon ash is the ultra-fine silicon ash of grain size≤0.2um, 105 or more activity index.
Above-mentioned artificial sand, remaining grain size is less than 5 millimeters of aggregate chips after screening when processing rubble, and aggregate chips is passed through except soil
The 20-140 mesh artificial sands produced after processing, screening, cleaning.
Above-mentioned swelling agent is calcium sulphoaluminate class swelling agent, and performance meets GB23439-2009《Cement expansive material》Standard
Regulation.
Above-mentioned water-reducing agent is the high-efficiency polycarboxylic acid water reducer of powder, water-reducing rate >=30%.
Above-mentioned antifoaming agent is powder antifoaming agent.
The ratio of mud is controlled when use, it is uniformly that can be used that suitable quantity of water, which is added, and reconciles.
The special dry powder sleeve grouting material of bar connecting prepared by the present invention has following features：
（1）, the present invention using slag, desulfurated plaster and discarded aggregate chips etc. as the original of the special dry powder sleeve grouting material of bar connecting
Material opens new approach for the comprehensive utilization of solid waste, while also reducing the cost of sleeve grouting material.
（2）, the special dry powder sleeve grouting material large-scale production in factory of bar connecting, stable quality, bar connecting is special
It is long with dry powder sleeve grouting material storage period, it is readily transported.Add water by a certain percentage at the construction field (site), controls the ratio of mud, energy
Ensure quality of connection.
（3）, the present invention sleeve grouting material there is mobility big, early stage and later strength height, certain expansion rate, well
Durability, the advantages that stability is good, at low cost.
Specific implementation mode
After now specific embodiments of the present invention are described in.
Embodiment 1：The mass ratio group of the special dry powder sleeve grouting material of the present embodiment bar connecting is divided into：52.5 grade silicate
430 parts, 42.5 grades 100 parts of sulphate aluminium cements of cement, 80 parts of steel-making slag powder, 20 parts of desulfurated plaster, 12 parts of silicon ash, coarse sand 20-40
150 parts of mesh, middle 150 parts of sand 30-100 mesh, 100 parts of fine sand 70-140 mesh, 8 parts of swelling agent, 6 parts of water-reducing agent, 0.5 part of antifoaming agent.
Above-mentioned various raw materials are put into mixing machine, to get the special dry powder sleeve of bar connecting after being adequately mixed uniformly
Grouting material.Suitable quantity of water reconciliation is added when use uniformly to can be used, the ratio of mud is controlled 0.125.
Embodiment 2：The mass ratio group of the special dry powder sleeve grouting material of the present embodiment bar connecting is divided into：52.5 grade silicate
400 parts, 42.5 grades 100 parts of sulphate aluminium cements of cement, 70 parts of steel-making slag powder, 30 parts of desulfurated plaster, 15 parts of silicon ash, coarse sand 20-40
170 parts of mesh, middle 170 parts of sand 30-100 mesh, 120 parts of fine sand 70-140 mesh, 7 parts of swelling agent, 6 parts of water-reducing agent, 0.5 part of antifoaming agent.
Above-mentioned various raw materials are put into mixing machine, to get the special dry powder sleeve of bar connecting after being adequately mixed uniformly
Grouting material.Suitable quantity of water reconciliation is added when use uniformly to can be used, the ratio of mud is controlled 0.12.
Embodiment 3：The mass ratio group of the special dry powder sleeve grouting material of the present embodiment bar connecting is divided into：52.5 grade silicate
250 parts, 42.5 grades 150 parts of sulphate aluminium cements of cement, 90 parts of steel-making slag powder, 50 parts of desulfurated plaster, 20 parts of silicon ash, coarse sand 20-40
180 parts of mesh, middle 180 parts of sand 30-100 mesh, 120 parts of fine sand 70-140 mesh, 6 parts of swelling agent, 6 parts of water-reducing agent, 0.5 part of antifoaming agent.
Above-mentioned various raw materials are put into mixing machine, to get the special dry powder sleeve of bar connecting after being adequately mixed uniformly
Grouting material.Suitable quantity of water reconciliation is added when use uniformly to can be used, the ratio of mud is controlled 0.15.
Sleeve grouting material prepared by above-described embodiment, according to《Bar connecting sleeve grouting material》JG/T 408-2013
In regulation tested, every technical performance index complies with standard regulation, see the table below:
Claims (7)
1. a kind of special dry powder sleeve grouting material of bar connecting, it is characterised in that the special dry powder sleeve grouting material of the bar connecting
Composition and mass fraction are：
52.5 grades of 250-450 parts of portland cements
42.5 grades of 100-150 parts of sulphate aluminium cements
50-100 parts of steel-making slag powder
20-50 parts of desulfurated plaster
10-20 parts of silicon ash
400-500 parts of artificial sand
5-10 parts of swelling agent
5-10 parts of water-reducing agent
0-1 parts of antifoaming agent
The steel-making slag powder is to meet converter or electric furnace slag as defined in YB/TO22 standards, through drying, iron removal by magnetic separation and superfine powder
Grinding process, is processed into grain size≤30 μm, the slag micro powder of the ㎡/㎏ of specific surface area >=600；
The desulfurated plaster is by generated waste residue after coal fired power plant flue gas desulfurization, by half water stone of β types made of calcining
Cream, it is desirable that wherein β-CaSO41/2 H2O >=85%.
2. the special dry powder sleeve grouting material of bar connecting according to claim, it is characterised in that the steel-making slag powder is in powder
The cement grinding process additive for meeting JC/T667 standards is added when mill.
3. the special dry powder sleeve grouting material of bar connecting according to claim, it is characterised in that the silicon ash is grain size
The ultra-fine silicon ash of≤0.2um, 105 or more activity index.
4. the special dry powder sleeve grouting material of bar connecting according to claim, it is characterised in that the artificial sand is
Remaining grain size is less than 5 millimeters of aggregate chips after screening when processing rubble, what aggregate chips produced after except soil processing, screening, cleaning
20-140 mesh artificial sands.
5. the special dry powder sleeve grouting material of bar connecting according to claim, it is characterised in that the swelling agent is sulphur
Calcium aluminate type expansion agent, performance meet GB23439-2009《Cement expansive material》Standard provides.
6. the special dry powder sleeve grouting material of bar connecting according to claim, it is characterised in that the water-reducing agent is powder
The high-efficiency polycarboxylic acid water reducer of body, water-reducing rate >=30%.
7. the special dry powder sleeve grouting material of bar connecting according to claim, it is characterised in that the antifoaming agent is powder
Body antifoaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810340505.0A CN108546063A (en) | 2018-04-17 | 2018-04-17 | The special dry powder sleeve grouting material of bar connecting and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810340505.0A CN108546063A (en) | 2018-04-17 | 2018-04-17 | The special dry powder sleeve grouting material of bar connecting and its preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108546063A true CN108546063A (en) | 2018-09-18 |
Family
ID=63515202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810340505.0A Pending CN108546063A (en) | 2018-04-17 | 2018-04-17 | The special dry powder sleeve grouting material of bar connecting and its preparation |
Country Status (1)
| Country | Link |
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| CN (1) | CN108546063A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698151A (en) * | 2019-11-22 | 2020-01-17 | 南通现代建筑产业发展有限公司 | Prefabricated construction steel bar sleeve grouting material |
| CN111662065A (en) * | 2020-07-01 | 2020-09-15 | 重庆华力建设有限公司 | High-performance grouting material for fabricated building and preparation method thereof |
| CN112010611A (en) * | 2020-09-07 | 2020-12-01 | 金陵科技学院 | Steel slag powder doped sleeve micro-expansion grouting material, preparation method thereof and expansion effect detection method |
| CN112573889A (en) * | 2021-02-07 | 2021-03-30 | 济南大学 | Grouting material for assembly type building construction |
| CN114044663A (en) * | 2021-11-24 | 2022-02-15 | 燕山大学 | Low-shrinkage early-strength sleeve grouting material and preparation method and application thereof |
Citations (3)
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|---|---|---|---|---|
| JP2004156257A (en) * | 2002-11-05 | 2004-06-03 | Shinnittetsu Koro Cement Kk | Fixing structure for reinforcing bar |
| CN106699077A (en) * | 2016-12-19 | 2017-05-24 | 重庆市建筑科学研究院 | Sleeve grouting material for assembly type building steel bar connection |
| CN106830856A (en) * | 2017-02-13 | 2017-06-13 | 武汉源锦建材科技有限公司 | A kind of ungauged regions reinforcing bar sleeve for connection grouting material and preparation method thereof |
-
2018
- 2018-04-17 CN CN201810340505.0A patent/CN108546063A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004156257A (en) * | 2002-11-05 | 2004-06-03 | Shinnittetsu Koro Cement Kk | Fixing structure for reinforcing bar |
| CN106699077A (en) * | 2016-12-19 | 2017-05-24 | 重庆市建筑科学研究院 | Sleeve grouting material for assembly type building steel bar connection |
| CN106830856A (en) * | 2017-02-13 | 2017-06-13 | 武汉源锦建材科技有限公司 | A kind of ungauged regions reinforcing bar sleeve for connection grouting material and preparation method thereof |
Non-Patent Citations (4)
| Title |
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| 刘娟红等: "《绿色高性能混凝土技术与工程应用》", 31 January 2011, 中国电力出版社 * |
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| 洪向道等: "《新编常用建筑材料手册》", 30 November 2010, 中国建材工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698151A (en) * | 2019-11-22 | 2020-01-17 | 南通现代建筑产业发展有限公司 | Prefabricated construction steel bar sleeve grouting material |
| CN111662065A (en) * | 2020-07-01 | 2020-09-15 | 重庆华力建设有限公司 | High-performance grouting material for fabricated building and preparation method thereof |
| CN112010611A (en) * | 2020-09-07 | 2020-12-01 | 金陵科技学院 | Steel slag powder doped sleeve micro-expansion grouting material, preparation method thereof and expansion effect detection method |
| CN112573889A (en) * | 2021-02-07 | 2021-03-30 | 济南大学 | Grouting material for assembly type building construction |
| CN114044663A (en) * | 2021-11-24 | 2022-02-15 | 燕山大学 | Low-shrinkage early-strength sleeve grouting material and preparation method and application thereof |
| CN114044663B (en) * | 2021-11-24 | 2022-11-15 | 燕山大学 | Low-shrinkage early-strength sleeve grouting material and preparation method and application thereof |
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Application publication date: 20180918 |
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| RJ01 | Rejection of invention patent application after publication |