CN108546068A - A kind of self-compaction frost thawing resistance concrete and preparation method thereof that quality is high - Google Patents
A kind of self-compaction frost thawing resistance concrete and preparation method thereof that quality is high Download PDFInfo
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- CN108546068A CN108546068A CN201810460096.8A CN201810460096A CN108546068A CN 108546068 A CN108546068 A CN 108546068A CN 201810460096 A CN201810460096 A CN 201810460096A CN 108546068 A CN108546068 A CN 108546068A
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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
- C04B28/14—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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of self-compaction frost thawing resistance concretes that quality is high, including (by mass percentage) major ingredient 50 80%, auxiliary material 10 30% and additive 5 20%.The invention also discloses a kind of preparation method for the self-compaction frost thawing resistance concrete that quality is high, which comprises the steps of：Step 1：Prepare major ingredient, step 2：Prepare auxiliary material, step 3：Additive preparation, step 4：It is mixed, step 5：It stands；The present invention is using high-performance water reducing agent and antifoaming agent as additive, the antifoam performance of antifoaming agent is good, high-performance water reducing agent has more high water reducing rate, more preferable slump-retaining energy, less dry contraction, the quality of concrete made of increasing, rubber grain used in auxiliary material is all made of waste and old rubber tire particles, balata belt particle, rubber gloves particle and rubber tube particle composition, waste utilization is achieved the purpose that, energy conservation and environmental protection, it reduces the production cost, the freezing and thawing performance of self-compaction frost thawing resistance concrete is increased, is suitble to promote.
Description
Technical field
The present invention relates to self-compaction frost thawing resistance concrete and preparation method thereof technical field, specially a kind of quality it is high from
Closely knit frost thawing resistance concrete and preparation method thereof.
Background technology
Self-compaction frost thawing resistance concrete is the main material of modern project structure, and the annual concrete amount in China about 2,000,000,000 is vertical
Square rice, scale is big, and cost is huge, at the forefront in the world, with high-strength, super high strength concrete practice and application, it has been found that coagulation
In the case where meeting intensity requirement, still recurring structure destroys soil, and belongs to the brittle failure of low stress, therefore, concrete
Brittleness is increasingly taken seriously, but it there are still following drawbacks in actual use：
1. its frost resistance melts that performance is poor to existing self-compaction frost thawing resistance concrete in practice, the density of concrete
It is also poor, reduce the quality of self-compaction frost thawing resistance concrete；
2. often cost is higher for the raw material of its making of existing self-compaction frost thawing resistance concrete, use cost is increased.
Invention content
The purpose of the present invention is to provide a kind of self-compaction frost thawing resistance concretes and preparation method thereof that quality is high, to solve
The problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions：A kind of self-compaction frost thawing resistance concrete that quality is high,
Including (by mass percentage) major ingredient 50-80%, auxiliary material 10-30% and additive 5-20%；
The major ingredient includes (by mass percentage)：Portland cement 15-30%, Portland pozzolana cement 15-
30%, Portland fly ash cement 15-30%, fine aggregate 5-10%, coarse aggregate 5-10%, ground slag 1-5%, gypsum 1-
5% and lime 1-5%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 20-30%, clay 20-30%, rubber powder 10-15%,
Glass flake 5-15%, brucite powder 5-10% and polyvinyl alcohol 5-10%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 20-80% and antifoaming agent 20-80%, it is remaining
Amount is water.
Preferably, the rubber grain by etc. quality component rubber tire particles, balata belt particle, rubber gloves
Grain and rubber tube particle composition, the average diameter of rubber grain is at 20-80 microns.
Preferably, a kind of high self-compaction frost thawing resistance concrete of quality includes (by mass percentage) major ingredient
50%, auxiliary material 30% and additive 20%；
The major ingredient includes (by mass percentage)：Portland cement 15%, Portland pozzolana cement 15%, powder
Coal ash portland cement 15%, fine aggregate 10%, coarse aggregate 10%, ground slag 5%, gypsum 5% and lime 5%, surplus are
Water；
The auxiliary material includes (by mass percentage)：Rubber grain 20%, clay 20%, rubber powder 15%, glass flake
15%, brucite powder 10% and polyvinyl alcohol 10%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 20% and antifoaming agent 80%, surplus are water.
Preferably, a kind of high self-compaction frost thawing resistance concrete of quality includes (by mass percentage) major ingredient
60%, auxiliary material 20% and additive 20%；
The major ingredient includes (by mass percentage)：Portland cement 20%, Portland pozzolana cement 20%, powder
Coal ash portland cement 20%, fine aggregate 5%, coarse aggregate 10%, ground slag 5%, gypsum 5% and lime 4%, surplus are
Water；
The auxiliary material includes (by mass percentage)：Rubber grain 30%, clay 20%, rubber powder 10%, glass flake
10%, brucite powder 10% and polyvinyl alcohol 8%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 30% and antifoaming agent 70%, surplus are water.
Preferably, a kind of high self-compaction frost thawing resistance concrete of quality includes (by mass percentage) major ingredient
70%, auxiliary material 20% and additive 10%；
The major ingredient includes (by mass percentage)：Portland cement 25%, Portland pozzolana cement 25%, powder
Coal ash portland cement 25%, fine aggregate 5%, coarse aggregate 5%, ground slag 1%, gypsum 2% and lime 3%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 25%, clay 25%, rubber powder 12%, glass flake
10%, brucite powder 6% and polyvinyl alcohol 6%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 50% and antifoaming agent 50%, surplus are water.
Preferably, a kind of high self-compaction frost thawing resistance concrete of quality includes (by mass percentage) major ingredient
80%, auxiliary material 10% and additive 10%；
The major ingredient includes (by mass percentage)：Portland cement 30%, Portland pozzolana cement 15%, powder
Coal ash portland cement 25%, fine aggregate 6%, coarse aggregate 6%, ground slag 2%, gypsum 3% and lime 1%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 30%, clay 20%, rubber powder 12%, glass flake
9%, brucite powder 7% and polyvinyl alcohol 8%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 60% and antifoaming agent 40%, surplus are water.
A kind of a kind of preparation method for the self-compaction frost thawing resistance concrete that quality is high as described above, the preparation method include
Following steps：
Step 1：Major ingredient is prepared, major ingredient is weighed according to above-mentioned mass percent, major ingredient is stirred under normal temperature and pressure state
30-60 minutes, and store spare；
Step 2：Auxiliary material is prepared, auxiliary material is weighed according to above-mentioned mass percent, in 30-60 degree, the pressure of 200-500MPa
Auxiliary material is stirred under power 30-60 minutes, and store spare；
Step 3：Additive preparation weighs additive according to above-mentioned mass percent, additive is stirred evenly, and
It stores spare；
Step 4：It is mixed, prepared major ingredient, auxiliary material and additive is mutually mixed, are stirred at normal temperatures,
Stirring 50-80 minutes；
Step 5：It stands, obtains the self-compaction frost thawing resistance concrete.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention uses high-performance water reducing agent and antifoaming agent conduct
The antifoam performance of additive, antifoaming agent is good, high-performance water reducing agent have more high water reducing rate, it is more preferable it is slump-retaining can, compared with
Few dry contraction, and there is certain bleed performance, the quality of manufactured concrete is increased, rubber grain is equal used in auxiliary material
It is formed using waste and old rubber tire particles, balata belt particle, rubber gloves particle and rubber tube particle, has reached waste profit
Purpose, energy conservation and environmental protection reduce the production cost, and the freezing and thawing performance of rubber grain is high, increases self-compaction freeze thawing resistance
The freezing and thawing performance of concrete, clay increase the mixing adequacy between different components, rubber powder in auxiliary material and increase in auxiliary material
Bonding strength between different components and density, glass flake have very high cohesive force and excellent chemical-resistant resistance and anti-ageing
Change performance so that the ageing resistance and cohesive force of self-compaction frost thawing resistance concrete are promoted, brucite powder be easy to in major ingredient
Portland cement be mutually mixed, not easy to foaming, polyvinyl alcohol increases in auxiliary material the mixing adequacy between different components, main
Material is mainly by three kinds of portland cement, Portland pozzolana cement and Portland fly ash cement cement compositions, three kinds of cement
Mutually composition, comprehensive performance is higher, and fine aggregate, coarse aggregate and ground slag are added in major ingredient, and it is freeze proof to increase self-compaction
Melt the intensity and quality of concrete, gypsum, lime and water, which mix and stir, makes concrete mix have plasticity, and then by chemistry and
Physical chemistry makees various concrete condensation hardening and generates intensity, is suitble to promote.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one
The present invention provides a kind of technical solution：A kind of self-compaction frost thawing resistance concrete that quality is high, including (press quality percentage
Than meter) major ingredient 50%, auxiliary material 30% and additive 20%；
Major ingredient includes (by mass percentage)：Portland cement 15%, Portland pozzolana cement 15%, flyash
Portland cement 15%, fine aggregate 10%, coarse aggregate 10%, ground slag 5%, gypsum 5% and lime 5%, surplus are water；
Auxiliary material includes (by mass percentage)：Rubber grain 20%, clay 20%, rubber powder 15%, glass flake 15%,
Brucite powder 10% and polyvinyl alcohol 10%, surplus are water；
Additive includes (by mass percentage)：High-performance water reducing agent 20% and antifoaming agent 80%, surplus are water.
Wherein, rubber grain by etc. quality component rubber tire particles, balata belt particle, rubber gloves particle and rubber
Sebific duct particle forms, and the average diameter of rubber grain is at 20-80 microns.
A kind of a kind of preparation method for the self-compaction frost thawing resistance concrete that quality is high as described above, the preparation method include
Following steps：
Step 1：Major ingredient is prepared, major ingredient is weighed according to above-mentioned mass percent, major ingredient 30 is stirred under normal temperature and pressure state
Minute, and store spare；
Step 2：Auxiliary material is prepared, auxiliary material is weighed according to above-mentioned mass percent, is stirred under 30 degree, the pressure of 200MPa
It mixes auxiliary material 30 minutes, and stores spare；
Step 3：Additive preparation weighs additive according to above-mentioned mass percent, additive is stirred evenly, and
It stores spare；
Step 4：It is mixed, prepared major ingredient, auxiliary material and additive is mutually mixed, are stirred at normal temperatures,
Stirring 50 minutes；
Step 5：It stands, derives from closely knit frost thawing resistance concrete.
Embodiment two
The present invention provides a kind of technical solution：A kind of self-compaction frost thawing resistance concrete that quality is high, including (press quality percentage
Than meter) major ingredient 60%, auxiliary material 20% and additive 20%；
Major ingredient includes (by mass percentage)：Portland cement 20%, Portland pozzolana cement 20%, flyash
Portland cement 20%, fine aggregate 5%, coarse aggregate 10%, ground slag 5%, gypsum 5% and lime 4%, surplus are water；
Auxiliary material includes (by mass percentage)：Rubber grain 30%, clay 20%, rubber powder 10%, glass flake 10%,
Brucite powder 10% and polyvinyl alcohol 8%, surplus are water；
Additive includes (by mass percentage)：High-performance water reducing agent 30% and antifoaming agent 70%, surplus are water.
Wherein, rubber grain by etc. quality component rubber tire particles, balata belt particle, rubber gloves particle and rubber
Sebific duct particle forms, and the average diameter of rubber grain is at 20-80 microns.
A kind of a kind of preparation method for the self-compaction frost thawing resistance concrete that quality is high as described above, the preparation method include
Following steps：
Step 1：Major ingredient is prepared, major ingredient is weighed according to above-mentioned mass percent, major ingredient 40 is stirred under normal temperature and pressure state
Minute, and store spare；
Step 2：Auxiliary material is prepared, auxiliary material is weighed according to above-mentioned mass percent, is stirred under 40 degree, the pressure of 300MPa
It mixes auxiliary material 40 minutes, and stores spare；
Step 3：Additive preparation weighs additive according to above-mentioned mass percent, additive is stirred evenly, and
It stores spare；
Step 4：It is mixed, prepared major ingredient, auxiliary material and additive is mutually mixed, are stirred at normal temperatures,
Stirring 60 minutes；
Step 5：It stands, derives from closely knit frost thawing resistance concrete.
Embodiment three
The present invention provides a kind of technical solution：A kind of self-compaction frost thawing resistance concrete that quality is high, including (press quality percentage
Than meter) major ingredient 70%, auxiliary material 20% and additive 10%；
Major ingredient includes (by mass percentage)：Portland cement 25%, Portland pozzolana cement 25%, flyash
Portland cement 25%, fine aggregate 5%, coarse aggregate 5%, ground slag 1%, gypsum 2% and lime 3%, surplus are water；
Auxiliary material includes (by mass percentage)：Rubber grain 25%, clay 25%, rubber powder 12%, glass flake 10%,
Brucite powder 6% and polyvinyl alcohol 6%, surplus are water；
Additive includes (by mass percentage)：High-performance water reducing agent 50% and antifoaming agent 50%, surplus are water.
Wherein, rubber grain by etc. quality component rubber tire particles, balata belt particle, rubber gloves particle and rubber
Sebific duct particle forms, and the average diameter of rubber grain is at 20-80 microns.
A kind of a kind of preparation method for the self-compaction frost thawing resistance concrete that quality is high as described above, the preparation method include
Following steps：
Step 1：Major ingredient is prepared, major ingredient is weighed according to above-mentioned mass percent, major ingredient 50 is stirred under normal temperature and pressure state
Minute, and store spare；
Step 2：Auxiliary material is prepared, auxiliary material is weighed according to above-mentioned mass percent, is stirred under 50 degree, the pressure of 400MPa
It mixes auxiliary material 50 minutes, and stores spare；
Step 3：Additive preparation weighs additive according to above-mentioned mass percent, additive is stirred evenly, and
It stores spare；
Step 4：It is mixed, prepared major ingredient, auxiliary material and additive is mutually mixed, are stirred at normal temperatures,
Stirring 70 minutes；
Step 5：It stands, derives from closely knit frost thawing resistance concrete.
Example IV
The present invention provides a kind of technical solution：A kind of self-compaction frost thawing resistance concrete that quality is high, including (press quality percentage
Than meter) major ingredient 80%, auxiliary material 10% and additive 10%；
Major ingredient includes (by mass percentage)：Portland cement 30%, Portland pozzolana cement 15%, flyash
Portland cement 25%, fine aggregate 6%, coarse aggregate 6%, ground slag 2%, gypsum 3% and lime 1%, surplus are water；
Auxiliary material includes (by mass percentage)：Rubber grain 30%, clay 20%, rubber powder 12%, glass flake 9%,
Brucite powder 7% and polyvinyl alcohol 8%, surplus are water；
Additive includes (by mass percentage)：High-performance water reducing agent 60% and antifoaming agent 40%, surplus are water.
Wherein, rubber grain by etc. quality component rubber tire particles, balata belt particle, rubber gloves particle and rubber
Sebific duct particle forms, and the average diameter of rubber grain is at 20-80 microns.
A kind of a kind of preparation method for the self-compaction frost thawing resistance concrete that quality is high as described above, the preparation method include
Following steps：
Step 1：Major ingredient is prepared, major ingredient is weighed according to above-mentioned mass percent, major ingredient 60 is stirred under normal temperature and pressure state
Minute, and store spare；
Step 2：Auxiliary material is prepared, auxiliary material is weighed according to above-mentioned mass percent, is stirred under 60 degree, the pressure of 500MPa
It mixes auxiliary material 60 minutes, and stores spare；
Step 3：Additive preparation weighs additive according to above-mentioned mass percent, additive is stirred evenly, and
It stores spare；
Step 4：It is mixed, prepared major ingredient, auxiliary material and additive is mutually mixed, are stirred at normal temperatures,
Stirring 80 minutes；
Step 5：It stands, derives from closely knit frost thawing resistance concrete.
The present invention is using high-performance water reducing agent and antifoaming agent as additive, and the antifoam performance of antifoaming agent is good, high-performance
Water-reducing agent has more high water reducing rate, more preferable slump-retaining energy, less dry contraction, and has certain bleed performance, increases
The quality of manufactured concrete, rubber grain used in auxiliary material are all made of waste and old rubber tire particles, balata belt
Grain, rubber gloves particle and rubber tube particle composition, have achieved the purpose that waste utilization, energy conservation and environmental protection reduce the production cost,
And the freezing and thawing performance of rubber grain is high, increases the freezing and thawing performance of self-compaction frost thawing resistance concrete, clay increases auxiliary material
Mixing adequacy between middle difference component, rubber powder increase the bonding strength and density between different components, glass in auxiliary material
Scale has very high cohesive force and excellent chemical-resistant resistance and anti-aging property so that self-compaction frost thawing resistance concrete resists
Aging and cohesive force are promoted, and brucite powder is easy to be mutually mixed with the portland cement in major ingredient, not easy to foaming, poly- second
Enol increases the mixing adequacy between different components in auxiliary material, and major ingredient is mainly by portland cement, portland-pozzolana
Three kinds of cement compositions of cement and Portland fly ash cement, three kinds of cement mutually form, and comprehensive performance is higher, fine aggregate, thick
Aggregate and ground slag are added in major ingredient, increase the intensity and quality of self-compaction frost thawing resistance concrete, gypsum, lime and water
Mixing and stirring makes concrete mix have plasticity, and then makees various concrete by chemically and physically chemistry and condense firmly
Change and generate intensity, is suitble to promote.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of self-compaction frost thawing resistance concrete that quality is high, it is characterised in that：Including (by mass percentage) major ingredient 50-
80%, auxiliary material 10-30% and additive 5-20%；
The major ingredient includes (by mass percentage)：Portland cement 15-30%, Portland pozzolana cement 15-30%,
Portland fly ash cement 15-30%, fine aggregate 5-10%, coarse aggregate 5-10%, ground slag 1-5%, gypsum 1-5% and stone
Grey 1-5%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 20-30%, clay 20-30%, rubber powder 10-15%, glass
Scale 5-15%, brucite powder 5-10% and polyvinyl alcohol 5-10%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 20-80% and antifoaming agent 20-80%, surplus are
Water.
2. a kind of high self-compaction frost thawing resistance concrete of quality according to claim 1, it is characterised in that：The rubber
Grain by etc. rubber tire particles, balata belt particle, rubber gloves particle and the rubber tube particle of quality component form, rubber
The average diameter of grain is at 20-80 microns.
3. a kind of high self-compaction frost thawing resistance concrete of quality according to claim 1, it is characterised in that：One germplasm
It includes (by mass percentage) major ingredient 50%, auxiliary material 30% and additive 20% to measure high self-compaction frost thawing resistance concrete；
The major ingredient includes (by mass percentage)：Portland cement 15%, Portland pozzolana cement 15%, flyash
Portland cement 15%, fine aggregate 10%, coarse aggregate 10%, ground slag 5%, gypsum 5% and lime 5%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 20%, clay 20%, rubber powder 15%, glass flake 15%,
Brucite powder 10% and polyvinyl alcohol 10%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 20% and antifoaming agent 80%, surplus are water.
4. a kind of high self-compaction frost thawing resistance concrete of quality according to claim 1, it is characterised in that：One germplasm
It includes (by mass percentage) major ingredient 60%, auxiliary material 20% and additive 20% to measure high self-compaction frost thawing resistance concrete；
The major ingredient includes (by mass percentage)：Portland cement 20%, Portland pozzolana cement 20%, flyash
Portland cement 20%, fine aggregate 5%, coarse aggregate 10%, ground slag 5%, gypsum 5% and lime 4%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 30%, clay 20%, rubber powder 10%, glass flake 10%,
Brucite powder 10% and polyvinyl alcohol 8%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 30% and antifoaming agent 70%, surplus are water.
5. a kind of high self-compaction frost thawing resistance concrete of quality according to claim 1, it is characterised in that：One germplasm
It includes (by mass percentage) major ingredient 70%, auxiliary material 20% and additive 10% to measure high self-compaction frost thawing resistance concrete；
The major ingredient includes (by mass percentage)：Portland cement 25%, Portland pozzolana cement 25%, flyash
Portland cement 25%, fine aggregate 5%, coarse aggregate 5%, ground slag 1%, gypsum 2% and lime 3%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 25%, clay 25%, rubber powder 12%, glass flake 10%,
Brucite powder 6% and polyvinyl alcohol 6%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 50% and antifoaming agent 50%, surplus are water.
6. a kind of high self-compaction frost thawing resistance concrete of quality according to claim 1, it is characterised in that：One germplasm
It includes (by mass percentage) major ingredient 80%, auxiliary material 10% and additive 10% to measure high self-compaction frost thawing resistance concrete；
The major ingredient includes (by mass percentage)：Portland cement 30%, Portland pozzolana cement 15%, flyash
Portland cement 25%, fine aggregate 6%, coarse aggregate 6%, ground slag 2%, gypsum 3% and lime 1%, surplus are water；
The auxiliary material includes (by mass percentage)：Rubber grain 30%, clay 20%, rubber powder 12%, glass flake 9%,
Brucite powder 7% and polyvinyl alcohol 8%, surplus are water；
The additive includes (by mass percentage)：High-performance water reducing agent 60% and antifoaming agent 40%, surplus are water.
7. a kind of a kind of preparation side of high self-compaction frost thawing resistance concrete of quality as described in any one of claim 1-6
Method, it is characterised in that：The preparation method comprises the steps of：
Step 1：Major ingredient is prepared, major ingredient is weighed according to above-mentioned mass percent, major ingredient 30-60 is stirred under normal temperature and pressure state
Minute, and store spare；
Step 2：Auxiliary material is prepared, auxiliary material is weighed according to above-mentioned mass percent, under 30-60 degree, the pressure of 200-500MPa
It stirs auxiliary material 30-60 minutes, and stores spare；
Step 3：Additive preparation weighs additive according to above-mentioned mass percent, additive is stirred evenly, and stores
It is spare；
Step 4：It is mixed, prepared major ingredient, auxiliary material and additive is mutually mixed, are stirred at normal temperatures, stir
50-80 minutes；
Step 5：It stands, obtains the self-compaction frost thawing resistance concrete.
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| CN201810460096.8A CN108546068A (en) | 2018-05-15 | 2018-05-15 | A kind of self-compaction frost thawing resistance concrete and preparation method thereof that quality is high |
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Cited By (3)
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| CN109665767A (en) * | 2018-11-19 | 2019-04-23 | 青岛崇置混凝土工程有限公司 | Self-compaction frost thawing resistance concrete and preparation method thereof |
| CN114230276A (en) * | 2021-12-20 | 2022-03-25 | 沈月漫 | Fiber self-compacting rubber concrete and preparation method thereof |
| CN115947577A (en) * | 2023-02-14 | 2023-04-11 | 南通市建设混凝土有限公司 | Self-compacting anti-freezing concrete and preparation process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665767A (en) * | 2018-11-19 | 2019-04-23 | 青岛崇置混凝土工程有限公司 | Self-compaction frost thawing resistance concrete and preparation method thereof |
| CN109665767B (en) * | 2018-11-19 | 2021-03-05 | 青岛崇置混凝土工程有限公司 | Self-compacting freeze-thaw resistant concrete and preparation method thereof |
| CN114230276A (en) * | 2021-12-20 | 2022-03-25 | 沈月漫 | Fiber self-compacting rubber concrete and preparation method thereof |
| CN115947577A (en) * | 2023-02-14 | 2023-04-11 | 南通市建设混凝土有限公司 | Self-compacting anti-freezing concrete and preparation process thereof |
| CN115947577B (en) * | 2023-02-14 | 2023-11-14 | 南通市建设混凝土有限公司 | Self-compacting anti-freezing concrete and preparation process thereof |
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