CN106396604A - Aluminophosphate cement-based steel bar-embedded material and preparation method thereof - Google Patents
Aluminophosphate cement-based steel bar-embedded material and preparation method thereof Download PDFInfo
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- CN106396604A CN106396604A CN201610782965.XA CN201610782965A CN106396604A CN 106396604 A CN106396604 A CN 106396604A CN 201610782965 A CN201610782965 A CN 201610782965A CN 106396604 A CN106396604 A CN 106396604A
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- Prior art keywords
- aluminate cement
- bar planting
- base bar
- phosphor aluminate
- cement base
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- 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
- C04B28/34—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 cold phosphate binders
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- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to an aluminophosphate cement-based steel bar-embedded material and a preparation method thereof. The steel bar-embedded material is prepared by blending a solid-phase material and water. The solid-phase material comprises the following raw materials by mass, 67 to 94% of aluminophosphate cement, 0 to 25% of a mineral admixture, 2 to 2.5% of a delayed coagulant, 0.3 to 1.0% of a water reducer, 2 to 3% of an anti-rust agent and 1.2 to 1.5% of an expanding agent. The above raw materials are mixed in proportion and then uniformly mixed with water under stirring so as to obtain the aluminophosphate cement-based steel bar-embedded material. The aluminophosphate cement-based steel bar-embedded material provided by the invention has the advantages of high strength, high temperature resistance, good anchoring integrity with an original structure, good ability in protecting reinforced rebar from corrosion, excellent durability, nontoxicity, environment friendliness, etc.
Description
Technical field
The invention belongs to building material technical field, it is related to a kind of phosphor aluminate cement base bar planting material and its preparation side
Method.
Background technology
Bar planting reinforcement technique is to implant in xoncrete structure reinforcing bar by anchoring adhesive, makes planted reinforcing bar and xoncrete structure
Cooperation, is equivalent to and adds embedded bar in xoncrete structure body, bar planting reinforcement technique is in existing building in recent years
Strengthening and reforming engineering becomes more and more important and has been widely used.
Anchoring adhesive used by embedding re-bar technique is divided into inorganic anchoring adhesive and organic anchoring adhesive two big class at this stage.Compare organic plant
Muscle glue (organic anchoring material), inorganic anchoring adhesive (inorganic anchoring material) intensity is high, resistance to elevated temperatures is good, wider, former using face
Material is not only readily available but also price is relatively inexpensive, with the elastic modelling quantity of concrete and linear expansion coefficient relatively, can be very
Ensure well cooperation between reinforcing bar and concrete, above all no nonhazardous, reduce the danger to workmen's body
Evil, also reduces environmental pollution simultaneously.Therefore, developing inorganic bar planting material becomes important directions solving maintenance and reinforcement.
Inorganic bar planting material just ground zero at home at present, according to《JGJ/T271-2012 concrete structure engineering inorganic material
Post-anchoring technology code》, typically commercially available bar planting material is difficult to meet the requirements to bar planting material for this area, easily goes out in construction
Existing various drawbacks, such as insufficient strength are high, or poor durability etc..
Content of the invention
The technical problem to be solved is for deficiency above-mentioned present in prior art, provides a kind of phosphorus aluminic acid
Salt cement base bar planting material and preparation method thereof, this bar planting material has that intensity is high, high temperature resistant and original structure anchoring good integrity
And the steel protection property can good, endurance quality is high, asepsis environment-protecting the advantages of, performance meet《JGJ/T271-2012 concrete structure engineering is no
Machine material post-anchoring technology code》Require.
For solving above-mentioned technical problem, the technical scheme that the present invention provides is：
A kind of phosphor aluminate cement base bar planting material is provided, is obtained by the solid phase material allotment that adds water, by mass percentage,
The raw material composition of solid phase material is as follows：
By such scheme, described phosphor aluminate cement crosses 200 mesh sieves using front through grinding.
By such scheme, described mineral admixture is the mixed of one or more of flyash, ground blast furnace slag or volcanic ash
Compound, described flyash is II grade or III grade；Described ground blast furnace slag specific surface area is 5000-6000cm2/g；Described volcanic ash is
SiO2Effective content is more than 50%.
By such scheme, described retarder is the mixing of one or more of sodium lignin sulfonate, boric acid, citric acid
Thing.
By such scheme, described water reducer is naphthalene water reducer, poly carboxylic acid series water reducer, a kind of in polyamide-based water reducer
Or multiple mixtures.
By such scheme, described corrosion inhibitor be one of fatty acid ester rust remover or alkylamino radical ethanol-type corrosion inhibitor or
The two mixture.
By such scheme, described swelling agent is magnesia.
The present invention also provides the preparation method of above-mentioned phosphor aluminate cement base bar planting material：By phosphor aluminate cement, mineral
Admixture, retarder, water reducer, corrosion inhibitor, swelling agent mix in proportion, and adding water stirs obtains phosphor aluminate cement base
Bar planting material.
The beneficial effects of the present invention is：, based on phosphor aluminate cement, phosphor aluminate cement is as one kind for the present invention
Special cement have early strong, high-strength, later strength is promoted, the steel protection property can be good and durable and the features such as resistance to elevated temperatures is good, logical
Cross and add mineral admixture to improve cement later strength in phosphor aluminate cement, add retarder regulation setting time to be easy to apply
Work operates, and the synergy such as corrosion inhibitor, swelling agent obtains with intensity is high, high temperature resistant and original structure anchoring good integrity
And the steel protection property can good, endurance quality is high, asepsis environment-protecting the advantages of bar planting material.
Specific embodiment
For making those skilled in the art more fully understand technical scheme, with reference to embodiment, the present invention is made
Describe in further detail.
Embodiment 1
Prepare phosphor aluminate cement base bar planting material, the raw material components of its solid phase material and its mass percent are as follows：Phosphorus
Aluminate cement (crossing 200 mesh sieves through grinding using front) 93%, sodium lignin sulfonate 2.5%, poly carboxylic acid series water reducer (Wuhan China
Pavilion new and high technology Co., Ltd produce) 0.3%, alkylamino radical ethanol-type corrosion inhibitor (production of Cortec company of the U.S.) 3%, magnesia
1.2%.Above-mentioned raw materials are mixed, by ratio of water to material 0.28:1 adds water stirs and obtains phosphor aluminate cement base bar planting material.
Embodiment 2
Prepare phosphor aluminate cement base bar planting material, its raw material components and its mass percent are as follows：Phosphor aluminate cement
(crossing 200 mesh sieves through grinding using front) 69%, volcanic ash (SiO2Effective content 54%) 25%, sodium lignin sulfonate 1.0%, boron
Acid 1.0%, citric acid 0.05%, poly carboxylic acid series water reducer (Wuhan Huaxuan High-tech Co., Ltd.'s production) 0.45%, fat
Esters of gallic acid rust remover (production of Cortec company of the U.S.) 2.0%, magnesia 1.5%.Above-mentioned raw materials are mixed, by ratio of water to material
0.28:1 adds water stirs and obtains phosphor aluminate cement base bar planting material.
Embodiment 3
Prepare phosphor aluminate cement base bar planting material, its raw material components and its mass percent are as follows：Phosphor aluminate cement
(crossing 200 mesh sieves through grinding using front) 68.5%, flyash (II grade) 25%, sodium lignin sulfonate 1.0%, boric acid 1.0%, lemon
Lemon acid 0.05%, naphthalene water reducer (the FND water reducer that Wuhan Huaxuan High-tech Co., Ltd. produces) 0.95%, fatty acid ester
Class rust remover 2.0%, magnesia 1.5%.Above-mentioned raw materials are mixed, by ratio of water to material 0.28:1 adds water stirs and obtains phosphorus aluminium
Acid salt cement base bar planting material.
Embodiment 4
Prepare phosphor aluminate cement base bar planting material, its raw material components and its mass percent are as follows：Phosphor aluminate cement
(specific surface area is 6000cm for (crossing 200 mesh sieves through grinding using front) 67.5%, ground blast furnace slag2/ g) 25%, sodium lignin sulfonate
1.0%th, boric acid 1.0%, citric acid 0.05%, naphthalene water reducer (the FND diminishing that Wuhan Huaxuan High-tech Co., Ltd. produces
Agent) 0.95%, alkylamino radical ethanol-type corrosion inhibitor 3.0%, magnesia 1.5%.Above-mentioned raw materials are mixed, by ratio of water to material 0.28:1 adds
Water stirs and obtains phosphor aluminate cement base bar planting material.
Embodiment 5
According to《JGJ/T271-2012 concrete structure engineering inorganic material post-anchoring technology code》Method test implementation
The performance of example 1-4 gained bar planting material, constructs in same condition, obtains performance data such as table 1 below under standard curing and method of testing
Shown：
Table 1
Under same execution conditions, under different care environments, bar planting drawing force data is as shown in table 2：
Table 2
| Sequence number | Heat ageing 90d/KN | 100 DEG C of high temperature 1d/KN |
| Embodiment 1 | 279 | 273 |
| Embodiment 2 | 282 | 268 |
| Embodiment 3 | 267 | 261 |
| Embodiment 4 | 265 | 262 |
The phosphor aluminate cement base bar planting strength of materials height that the present invention provides as seen from the above embodiment (is used in conjunction 7d with reinforcing bar
Bar planting pulling capacity reaches 253-268KN), anchor good integrity with original structure and the steel protection property can be good, endurance quality height is (at 120 DEG C
Under air atmosphere heat ageing after 90 days pulling capacity still have 265-282KN, at 100 DEG C process 1d pulling capacity still have 261-273KN)
And asepsis environment-protecting.
Claims (8)
1. a kind of phosphor aluminate cement base bar planting material, obtains it is characterised in that by percent mass by the solid phase material allotment that adds water
Ratio meter, the raw material composition of solid phase material is as follows：
2. phosphor aluminate cement base bar planting material according to claim 1 is it is characterised in that described phosphor aluminate cement makes
Cross 200 mesh sieves with front through grinding.
3. phosphor aluminate cement base bar planting material according to claim 1 is it is characterised in that described mineral admixture is powder
The mixture of one or more of coal ash, ground blast furnace slag or volcanic ash, described flyash is II grade or III grade；Described levigate ore deposit
Powder specific surface area is 5000-6000cm2/g；Described volcanic ash is SiO2Effective content is more than 50%.
4. phosphor aluminate cement base bar planting material according to claim 1 is it is characterised in that described retarder is lignin
The mixture of one or more of sodium sulfonate, boric acid, citric acid.
5. phosphor aluminate cement base bar planting material according to claim 1 is it is characterised in that described water reducer subtracts for naphthalene system
One or more of mixture in aqua, poly carboxylic acid series water reducer, polyamide-based water reducer.
6. phosphor aluminate cement base bar planting material according to claim 1 is it is characterised in that described corrosion inhibitor is aliphatic acid
One of esters rust remover or alkylamino radical ethanol-type corrosion inhibitor or the two mixture.
7. phosphor aluminate cement base bar planting material according to claim 1 is it is characterised in that described swelling agent is magnesia.
8. a kind of arbitrary described phosphor aluminate cement base bar planting material of claim 1-7 preparation method it is characterised in that：Will
Phosphor aluminate cement, mineral admixture, retarder, water reducer, corrosion inhibitor, swelling agent mix in proportion, add water and stir i.e.
Obtain phosphor aluminate cement base bar planting material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610782965.XA CN106396604A (en) | 2016-08-31 | 2016-08-31 | Aluminophosphate cement-based steel bar-embedded material and preparation method thereof |
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| CN201610782965.XA CN106396604A (en) | 2016-08-31 | 2016-08-31 | Aluminophosphate cement-based steel bar-embedded material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117840A (en) * | 2017-05-16 | 2017-09-01 | 葛洲坝石门特种水泥有限公司 | The phosphor aluminate cement and its production method of a kind of utilization industrial residue production |
| CN115893972A (en) * | 2022-11-22 | 2023-04-04 | 中建材中研益科技有限公司 | Phosphoaluminate cement-based carbon sealing material and preparation method thereof |
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| CN1396138A (en) * | 2002-07-11 | 2003-02-12 | 武汉武大巨成加固实业有限公司 | Fast anchor type inorganic viscose grouting matenial and its preparing process |
| CN101428996A (en) * | 2008-11-27 | 2009-05-13 | 上海市建筑科学研究院(集团)有限公司 | Inorganic rear-anchorage inserted bar glue material |
| CN103864381A (en) * | 2014-03-20 | 2014-06-18 | 上海泛欧建筑材料有限公司 | Cement-based inorganic anchor adhesive and preparation method thereof |
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2016
- 2016-08-31 CN CN201610782965.XA patent/CN106396604A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396138A (en) * | 2002-07-11 | 2003-02-12 | 武汉武大巨成加固实业有限公司 | Fast anchor type inorganic viscose grouting matenial and its preparing process |
| CN101428996A (en) * | 2008-11-27 | 2009-05-13 | 上海市建筑科学研究院(集团)有限公司 | Inorganic rear-anchorage inserted bar glue material |
| CN103864381A (en) * | 2014-03-20 | 2014-06-18 | 上海泛欧建筑材料有限公司 | Cement-based inorganic anchor adhesive and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘章生等: "磷铝酸盐水泥浆体护筋性能的研究", 《济南大学学报（自然科学版）》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117840A (en) * | 2017-05-16 | 2017-09-01 | 葛洲坝石门特种水泥有限公司 | The phosphor aluminate cement and its production method of a kind of utilization industrial residue production |
| CN107117840B (en) * | 2017-05-16 | 2019-12-06 | 葛洲坝石门特种水泥有限公司 | Phosphoaluminate cement produced by using industrial waste residues and production method thereof |
| CN115893972A (en) * | 2022-11-22 | 2023-04-04 | 中建材中研益科技有限公司 | Phosphoaluminate cement-based carbon sealing material and preparation method thereof |
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Application publication date: 20170215 |