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 PDF

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Publication number
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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mass percentage
auxiliary material
additive
compaction
major ingredient
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Chinese (zh)
Inventor
邝文辉
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Foshan Huili Concrete Co Ltd
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Foshan Huili Concrete Co Ltd
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Priority to CN201810460096.8A priority Critical patent/CN108546068A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/76Use at unusual temperatures, e.g. sub-zero

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

A kind of self-compaction frost thawing resistance concrete and preparation method thereof that quality is high
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.
CN201810460096.8A 2018-05-15 2018-05-15 A kind of self-compaction frost thawing resistance concrete and preparation method thereof that quality is high Pending CN108546068A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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
CN114230276A (en) * 2021-12-20 2022-03-25 沈月漫 Fiber self-compacting rubber concrete and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN102199022A (en) * 2011-03-26 2011-09-28 大连理工大学 Self-compacting and frost thawing resistance concrete
CN105198326A (en) * 2015-10-30 2015-12-30 徐光武 High-strength, anti-seepage and anti-corrosion concrete material and preparation method thereof

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN102199022A (en) * 2011-03-26 2011-09-28 大连理工大学 Self-compacting and frost thawing resistance concrete
CN105198326A (en) * 2015-10-30 2015-12-30 徐光武 High-strength, anti-seepage and anti-corrosion concrete material and preparation method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20180918