CN106431153A - Phosphoaluminate cement-based rapid repairing material and preparation method thereof - Google Patents
Phosphoaluminate cement-based rapid repairing material and preparation method thereof Download PDFInfo
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- CN106431153A CN106431153A CN201610784624.6A CN201610784624A CN106431153A CN 106431153 A CN106431153 A CN 106431153A CN 201610784624 A CN201610784624 A CN 201610784624A CN 106431153 A CN106431153 A CN 106431153A
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- China
- Prior art keywords
- repairing material
- aluminate cement
- cement base
- fast repairing
- phosphor aluminate
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- 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
- C04B2111/72—Repairing or restoring existing buildings or building materials
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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)
- Working Measures On Existing Buildindgs (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a phosphoaluminate cement-based rapid repairing material and a preparation method thereof. The foamed ceramic is prepared from, by weight, 71%-97% of phosphoaluminate cement, 0%-20% of mineral admixtures, 0.5%-5% of a stabilizing agent, 0.3%-0.8% of a water reducing agent, 0.8%-1.5% of an expanding agent and 0.8%-2.0% of a compound early strength agent. The phosphoaluminate cement, the mineral admixtures, the stabilizing agent, the water reducing agent, the expanding agent and the compound early strength agent are mixed to be uniform in proportion, and then the phosphoaluminate cement-based rapid repairing material can be obtained. The phosphoaluminate cement-based rapid repairing material has the advantages of being convenient to operate, high in condensation speed, good in cohesive property, high in early and late strength, capable of achieving microexpansion, good in matchability with common concrete and durability and the like and can be applied to rapid repair of various concrete building materials.
Description
Technical field
The invention belongs to building material technical field, is related to a kind of phosphor aluminate cement base fast repairing material and its preparation
Method.
Background technology
Cement concrete always most important structural material of building engineering field since the exploitation, is widely used.However,
By loading, the factor such as temperature stress affected, concrete structure would generally be destroyed, especially the structure such as road, bridge, dam
Unimpeded after the unimpeded particularly natural disaster of thing has tremendous influence to economic results in society and national defense construction.To these coagulations
Soil structure thing is damaged partly, and carrying out Rapid-Repair seems of crucial importance.Fast repairing material is divided into quick-hardening cement by compositing characteristic
Class, fast hardening concrete class, fast hard additive class.Aluminium sulfate and phosphor aluminate cement sill in existing fast repairing material
Favor is enjoyed because of the premium properties such as setting time is short, early strength is high.
The use of sulphate aluminium cement would generally cause concrete structure later strength slower development or even retraction.For
This problem, the general method for adopting has：Sulphate aluminium cement is combined with portland cement, replaces part with mineral admixture
Cement, adds fiber, coating, rubber Polymer material.Although these methods can increase aluminium sulfate to a certain extent
The later strength of cement, but while bring the shortcomings of setting time is slow, and early strength diminishes, durability is deteriorated.
Content of the invention
The technical problem to be solved is for above-mentioned deficiency present in prior art, provides a kind of phosphorus aluminic acid
Salt cement base fast repairing material and preparation method thereof, the patching material has that rate of set is fast, caking property is good, early stage and later stage
Intensity is high, microdilatancy and normal concrete matching are good and the advantages of durability is good.
For solving above-mentioned technical problem, the technical scheme that the present invention is provided is：
A kind of phosphor aluminate cement base fast repairing material is provided, by weight percentage, its raw material composition is as follows：
By such scheme, the phosphor aluminate cement crosses 200 mesh sieves using front through grinding.
By such scheme, the mineral admixture is that one or more in flyash, ground blast furnace slag or silicon ash are combined, its
Middle flyash is II grade or III grade of flyash；Ground blast furnace slag specific surface area is 5000-6000cm2/g；Silicon ash particle diameter is 0.3-1.0
μm.
By such scheme, the stabilizer is the mixed of the one or both in sodium bentonite or non-ionic celluloses ether
Compound.
Preferably, the non-ionic celluloses ether is hydroxypropyl methyl cellulose.
By such scheme, the water reducer is naphthalene water reducer, in poly carboxylic acid series water reducer or polyamide-based water reducer
One or more of mixture.
By such scheme, the extender is magnesium oxide.
By such scheme, the complex accelerator is inorganic silicate, the one kind in inorganic carbonate, formates or two kinds
With triethanolamine in mass ratio 1：1 compound obtains.
Preferably, the inorganic silicate is sodium silicate；The inorganic carbonate is lithium carbonate；The formates are first
Sour calcium.
The present invention also provides the preparation method of above-mentioned phosphor aluminate cement base fast repairing material, and its step is as follows：By phosphorus
Aluminate cement, mineral admixture, stabilizer, water reducer, extender, complex accelerator are mixed in proportion i.e. and obtain phosphorus aluminum
Acid salt cement base fast repairing material.
And the using method of above-mentioned phosphor aluminate cement base fast repairing material：To phosphor aluminate cement base fast repairing
Water is added in material, and ratio of water to material is 0.25-0.35:1, constructed after stirring.
The beneficial effects of the present invention is：The phosphor aluminate cement base fast repairing material that the present invention is provided has operation side
Just (fluidity reaches 295-325mm), rate of set fast (presetting period 19-23min, final setting time 34-39min), caking property good,
Early stage and later strength are high, and (1 hour comprcssive strength reaches 33.7-41.8MPa, 1d comprcssive strength and reaches 45.9-53.4MPa, 28d resistance to compression
Intensity reaches 54.8-62.8MPa), microdilatancy and normal concrete matching good (1d free swelling rate be 0.04-0.09%) and resistance to
The advantages of property is good long, can be applicable to the Rapid-Repair of each concrete building 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.
Phosphor aluminate cement used by the present embodiment crosses 200 mesh sieves using front through grinding.
Embodiment 1
Phosphor aluminate cement base fast repairing material raw material components and mass ratio：Phosphor aluminate cement 97%, HPMC (hydroxypropyl
Ylmethyl cellulose) 0.5%, high-efficiency water-reducing agent of poly-carboxylic acid (Wuhan Huaxuan High-tech Co., Ltd.'s production) 0.3%, magnesium oxide
0.8%, sodium silicate 0.7%, triethanolamine 0.7%.Above-mentioned raw materials mix homogeneously is obtained phosphor aluminate cement base quickly repair
Mend material.
Water, ratio of water to material 0.25 is added in the present embodiment gained phosphor aluminate cement base fast repairing material:1, uniformly stir
Constructed after mixing.
After tested, the present embodiment gained fast repairing material key property is：Presetting period 20min, final setting time
38min, fluidity 295mm, 1d free swelling rate is 0.04%, 1 hour comprcssive strength 41.8MPa, 1d comprcssive strength
53.4MPa, 28d comprcssive strength 62.8MPa.
Embodiment 2
Phosphor aluminate cement base fast repairing material raw material components and mass ratio：Phosphor aluminate cement 81%, breeze (compares table
Area 5000cm2/ g) 10%, sodium bentonite 5%, (Wuhan Huaxuan High-tech Co., Ltd. production FDN subtracts naphthalene water reducer
Water preparation) 0.8%, magnesium oxide 1.2%, calcium formate 1.0%, triethanolamine 1.0%.Above-mentioned raw materials mix homogeneously is obtained phosphorus aluminum
Acid salt cement base fast repairing material.
Water, ratio of water to material 0.25 is added in the present embodiment gained phosphor aluminate cement base fast repairing material:1, uniformly stir
Constructed after mixing.
After tested, the present embodiment gained fast repairing material key property is：Presetting period 23min, final setting time
34min, fluidity 315mm, 1d free swelling rate is 0.08%, 1 hour comprcssive strength 36.6MPa, 1d comprcssive strength
46.8MPa, 28d comprcssive strength 57.2MPa.
Embodiment 3
Phosphor aluminate cement base fast repairing material raw material components and mass ratio：Phosphor aluminate cement 81%, flyash (III
Level flyash) 10%, sodium bentonite 5%, naphthalene water reducer (Wuhan Huaxuan High-tech Co., Ltd. produces FDN water reducer)
0.8%, magnesium oxide 1.2%, lithium carbonate 1.0%, triethanolamine 1.0%.Above-mentioned raw materials mix homogeneously is obtained aluminophosphates
Cement-base quick repairing material.
Water, ratio of water to material 0.25 is added in the present embodiment gained phosphor aluminate cement base fast repairing material:1, uniformly stir
Constructed after mixing.
After tested, the present embodiment gained fast repairing material key property is：Presetting period 19min, final setting time
35min, fluidity 325mm, 1d free swelling rate is 0.08%, 1 hour comprcssive strength 37.2MPa, 1d comprcssive strength
47.4MPa, 28d comprcssive strength 57.0MPa.
Embodiment 4
Phosphor aluminate cement base fast repairing material raw material components and mass ratio：Phosphor aluminate cement 76%, breeze (compares table
Area 6000cm2/ g) 10%, flyash (II grade of flyash) 10%, HPMC0.5%, high-efficiency water-reducing agent of poly-carboxylic acid (Wuhan Hua Xuan
New and high technology company limited produces) 0.3%, magnesium oxide 1.4%, sodium silicate 0.9%, triethanolamine 0.9%.Above-mentioned raw materials are mixed
Close and uniformly obtain phosphor aluminate cement base fast repairing material.
Water, ratio of water to material 0.25 is added in the present embodiment gained phosphor aluminate cement base fast repairing material:1, uniformly stir
Constructed after mixing.
After tested, the present embodiment gained fast repairing material key property is：Presetting period 23min, final setting time
39min, fluidity 320mm, 1d free swelling rate is 0.09%, 1 hour comprcssive strength 33.7MPa, 1d comprcssive strength
45.9MPa, 28d comprcssive strength 54.8MPa.
The 1 hour comprcssive strength of phosphor aluminate cement base fast repairing material that the present invention is provided as seen from the above embodiment reaches
Also 45MPa is reached to more than 33MPa, 1d comprcssive strength, and the 28d comprcssive strength of above-mentioned all of embodiment is with respect to 1d resistance to compression
Intensity all has 8-11MPa to be lifted, and patching material stable long-term strength is described and has lifting, and later strength is all carried compared with early stage intensity
High not retraction, material flowability energy good (fluidity all reaches more than 295mm, has been even up to 325mm), the initial set in embodiment
The presetting period that time is much smaller than the patching material of general cement based, (the general cement based patching material presetting period was 50min-
1h), can be used for rapid rush-repair.
Claims (10)
1. a kind of phosphor aluminate cement base fast repairing material, it is characterised in that by weight percentage, its raw material constitutes such as
Under：
2. phosphor aluminate cement base fast repairing material according to claim 1, it is characterised in that the aluminophosphates water
Mud crosses 200 mesh sieves using front through grinding.
3. phosphor aluminate cement base fast repairing material according to claim 1, it is characterised in that the mineral admixture
It is combined for one or more in flyash, ground blast furnace slag or silicon ash, wherein flyash is II grade or III grade of flyash；Levigate ore deposit
Powder specific surface area is 5000-6000cm2/g；Silicon ash particle diameter is 0.3-1.0 μm.
4. phosphor aluminate cement base fast repairing material according to claim 1, it is characterised in that the stabilizer be
The mixture of the one or both in base bentonite or non-ionic celluloses ether.
5. phosphor aluminate cement base fast repairing material according to claim 1, it is characterised in that the water reducer be
The mixture of one or more in based water reducer, poly carboxylic acid series water reducer or polyamide-based water reducer.
6. phosphor aluminate cement base fast repairing material according to claim 1, it is characterised in that the extender be
Change magnesium.
7. phosphor aluminate cement base fast repairing material according to claim 1, it is characterised in that the complex accelerator
For the one kind in inorganic silicate, inorganic carbonate, formates or two kinds and triethanolamine in mass ratio 1：1 compound obtains.
8. phosphor aluminate cement base fast repairing material according to claim 7, it is characterised in that the inorganic silicate
For sodium silicate；The inorganic carbonate is lithium carbonate；The formates are calcium formate.
9., according to the preparation method of the arbitrary described phosphor aluminate cement base fast repairing material of claim 1-8, its feature exists
In step is as follows：Phosphor aluminate cement, mineral admixture, stabilizer, water reducer, extender, complex accelerator are mixed in proportion
Close and uniformly obtain phosphor aluminate cement base fast repairing material.
10., according to the using method of the arbitrary described phosphor aluminate cement base fast repairing material of claim 1-8, its feature exists
In：Water is added in phosphor aluminate cement base fast repairing material, and ratio of water to material is 0.25-0.35:1, applied after stirring
Work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610784624.6A CN106431153A (en) | 2016-08-31 | 2016-08-31 | Phosphoaluminate cement-based rapid repairing material and preparation method thereof |
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| CN201610784624.6A CN106431153A (en) | 2016-08-31 | 2016-08-31 | Phosphoaluminate cement-based rapid repairing material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577108A (en) * | 2019-01-09 | 2019-04-05 | 扬州大学 | A kind of track plates of anti-stray current and preparation method thereof |
| CN110304854A (en) * | 2019-07-05 | 2019-10-08 | 辽宁盛源新材料有限公司 | A kind of MgO expansion agent clinker and preparation method thereof |
| CN112142418A (en) * | 2020-09-01 | 2020-12-29 | 郭晓益 | Quick cement pavement repairing material |
| CN116199485A (en) * | 2022-09-08 | 2023-06-02 | 四川华西绿舍建材有限公司 | Quick repair material for concrete and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577108A (en) * | 2019-01-09 | 2019-04-05 | 扬州大学 | A kind of track plates of anti-stray current and preparation method thereof |
| CN110304854A (en) * | 2019-07-05 | 2019-10-08 | 辽宁盛源新材料有限公司 | A kind of MgO expansion agent clinker and preparation method thereof |
| CN112142418A (en) * | 2020-09-01 | 2020-12-29 | 郭晓益 | Quick cement pavement repairing material |
| CN116199485A (en) * | 2022-09-08 | 2023-06-02 | 四川华西绿舍建材有限公司 | Quick repair material for concrete and preparation method and application thereof |
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Application publication date: 20170222 |
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