CN108529977A - A kind of concrete of high-durability and preparation method thereof - Google Patents
A kind of concrete of high-durability and preparation method thereof Download PDFInfo
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- CN108529977A CN108529977A CN201810460092.XA CN201810460092A CN108529977A CN 108529977 A CN108529977 A CN 108529977A CN 201810460092 A CN201810460092 A CN 201810460092A CN 108529977 A CN108529977 A CN 108529977A
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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
- C04B28/04—Portland 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
- C04B2111/20—Resistance against chemical, physical or biological attack
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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 discloses a kind of concrete of high-durability and preparation method thereof, the formula of the concrete of the high-durability includes following component：Portland cement 16% 21%, steel fibre 5% 8%, superfined flyash 8% 13%, river sand 2% 6%, polytetrafluoroethylene (PTFE) 6% 10%, silica flour 1% 4%, antifreezing agent 3% 10%, water-reducing agent 3% 7%, air entraining agent 1% 4%, remaining is water；The invention also discloses a kind of concrete of high-durability and preparation method thereof, which includes the following steps：S1：It quantitatively weighs, S2：Gather materials conveying, S3：Sizing material stirs, S4：Additive is filled, S5：Enhance material addition；The concrete that the present invention prepares is highly improved, and anti-durability and corrosion resistance is made to get a promotion, and makes that it is suitable for more occasions, enhance the wear-resisting property after concrete cast, and concrete prepared by the present invention, the cohesive force of concrete is improved, the hardening time of concrete is shortened.
Description
Technical field
The present invention relates to technical field of concrete preparation, specially a kind of concrete of high-durability and preparation method thereof.
Background technology
Concrete refers to by cementitious material by the general designation for the cementing integral engineered composite material that gathers materials, the coagulation usually said
A native word refers to making cementitious material with cement, and sand, masonry gather materials；Match by a certain percentage with water (additive and admixture can be contained)
Close, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering, but traditional concrete
Endurance quality is poor so that concrete can not adapt to a variety of use occasions；And inner texture in traditional concrete process
It is uneven, cause the concrete surface gap produced to be unevenly distributed so that it is easy to crack after concrete curing, and after cast
It is perishable after concrete gouging abrasion；For this purpose, the present invention proposes a kind of concrete of high-durability and preparation method thereof.
Invention content
The purpose of the present invention is to provide a kind of concrete of high-durability and preparation method thereof, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：A kind of concrete of high-durability and its preparation side
The formula of method, the concrete of the high-durability includes following component：Portland cement 16%-21%, steel fibre 5%-8%, surpass
Fine powdered coal 8%-13%, river sand 2%-6%, polytetrafluoroethylene (PTFE) 6%-10%, silica flour 1%-4%, antifreezing agent 3%-10%, subtract
Aqua 3%-7%, air entraining agent 1%-4%, remaining is water.
Preferably, including portland cement 21%, steel fibre 5%, superfined flyash 13%, river sand 2%, polytetrafluoroethylene (PTFE)
10%, silica flour 1%, antifreezing agent 10%, water-reducing agent 3%, air entraining agent 4%, remaining is water.
Preferably, including portland cement 20%, steel fibre 6%, superfined flyash 12%, river sand 3%, polytetrafluoroethylene (PTFE)
9%, silica flour 2%, antifreezing agent 9%, water-reducing agent 4%, air entraining agent 3%, remaining is water.
Preferably, including portland cement 19%, steel fibre 7%, superfined flyash 11%, river sand 4%, polytetrafluoroethylene (PTFE)
8%, silica flour 3%, antifreezing agent 8%, water-reducing agent 5%, air entraining agent 2%, remaining is water.
Preferably, including portland cement 18%, steel fibre 8%, superfined flyash 10%, river sand 5%, polytetrafluoroethylene (PTFE)
7%, silica flour 4%, antifreezing agent 7%, water-reducing agent 6%, air entraining agent 1%, remaining is water.
Preferably, the antifreezing agent is the one or more of sodium nitrite, carbonate and calcium chloride.
Preferably, the air entraining agent is the one or more of fatty alcohol sulfonate and oil sulphur hydrochloric acid.
Preferably, the water-reducing agent is the one or more of polycarboxylic acids, sulfamate and lignosulfonates.
A kind of a kind of concrete of high-durability as described above and preparation method thereof, which includes following step
Suddenly：
S1：It quantitatively weighs, all raw materials is weighed according to above-mentioned component；
S2：Gather materials conveying, steel fibre, superfined flyash, river sand and silica flour are added sequentially to aggregate bin by conveying of gathering materials
In, it is then sent in plate and machine；
S3：Sizing material stirs, sizing material stirring, when steel fibre, superfined flyash, river sand and silica flour are delivered in mixer
Afterwards, start mixer, and portland cement and water is added into mixer in mixing process, evenly mixed, water ash
Than control in 0.45-0.85, the mixing time controlled at 2-5 minutes；
S4：Additive is filled, additive filling, after the material in mixer is evenly dispersed, water tank and mixer it
Between pipeline at the charging that is arranged, addition antifreezing agent, water-reducing agent and air entraining agent continue to mix and stir 2-5 minutes；
S5：Enhance material addition, after antifreezing agent, water-reducing agent and air entraining agent uniformly adequately mix and stir in material, and expects
When the thick dilution of object is moderate, to mixer inside be added molten condition polytetrafluoroethylene (PTFE), then proceed to stirring 1-4 minutes, and into
Row isothermal holding 1-4 minutes, you can output.
Compared with prior art, the beneficial effects of the invention are as follows：Formula of the present invention is national regulations raw material,
And the concrete that the present invention prepares is highly improved, and anti-durability and corrosion resistance is made to get a promotion, make it is suitable for
More occasions, the wear-resisting property after enhancing concrete cast, and concrete prepared by the present invention, reduce the production of concrete
Cost improves the cohesive force of concrete, shortens the hardening time of concrete, and economic technology benefit and social benefit are notable,
Increase enterprise income, 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 concrete of high-durability and preparation method thereof, the high-durability
The formula of concrete includes following component：Portland cement 21%, steel fibre 5%, superfined flyash 13%, river sand 2%, poly- four
Vinyl fluoride 10%, silica flour 1%, antifreezing agent 10%, water-reducing agent 3%, air entraining agent 4%, remaining is water.
Wherein, antifreezing agent is sodium nitrite, and water-reducing agent is polycarboxylic acids, and air entraining agent is fatty alcohol sulfonate.
A kind of a kind of preparation method of the concrete of high-durability as described above, the preparation method include the following steps：
S1：It quantitatively weighs, all raw materials is weighed according to above-mentioned component；
S2：Gather materials conveying, steel fibre, superfined flyash, river sand and silica flour are added sequentially in aggregate bin, it is then defeated
It send to plate and machine；
S3：Sizing material stirs, and after steel fibre, superfined flyash, river sand and silica flour are delivered in mixer, startup is mixed and stirred
Machine, and portland cement and water is added into mixer in mixing process, it is evenly mixed, ratio of mud control exists
0.45, the mixing time controlled at 2 minutes；
S4：Additive is filled, and after the material in mixer is evenly dispersed, is set at the pipeline between water tank and mixer
At the charging set, addition antifreezing agent, water-reducing agent and air entraining agent continue to mix and stir 2 minutes；
S5：Enhance material addition, after antifreezing agent, water-reducing agent and air entraining agent uniformly adequately mix and stir in material, and expects
When the thick dilution of object is moderate, to mixer inside be added molten condition polytetrafluoroethylene (PTFE), then proceed to stirring 1 minute, and carry out
Isothermal holding 1 minute, you can output.
Embodiment two
The present invention provides a kind of technical solution：A kind of concrete of high-durability and preparation method thereof, the high-durability
The formula of concrete includes following component：Portland cement 20%, steel fibre 6%, superfined flyash 12%, river sand 3%, poly- four
Vinyl fluoride 9%, silica flour 2%, antifreezing agent 9%, water-reducing agent 4%, air entraining agent 3%, remaining is water.
Wherein, antifreezing agent is carbonate, and water-reducing agent is sulfamate, and air entraining agent is oil sulphur hydrochloric acid.
A kind of a kind of concrete of high-durability as described above and preparation method thereof, which includes following step
Suddenly：
S1：It quantitatively weighs, all raw materials is weighed according to above-mentioned component；
S2：Gather materials conveying, steel fibre, superfined flyash, river sand and silica flour are added sequentially in aggregate bin, it is then defeated
It send to plate and machine；
S3：Sizing material stirs, and after steel fibre, superfined flyash, river sand and silica flour are delivered in mixer, startup is mixed and stirred
Machine, and portland cement and water is added into mixer in mixing process, it is evenly mixed, ratio of mud control exists
0.85, the mixing time controlled at 3 minutes；
S4：Additive is filled, and after the material in mixer is evenly dispersed, is set at the pipeline between water tank and mixer
At the charging set, addition antifreezing agent, water-reducing agent and air entraining agent continue to mix and stir 3 minutes；
S5：Enhance material addition, after antifreezing agent, water-reducing agent and air entraining agent uniformly adequately mix and stir in material, and expects
When the thick dilution of object is moderate, to mixer inside be added molten condition polytetrafluoroethylene (PTFE), then proceed to stirring 2 minutes, and carry out
Isothermal holding 2 minutes, you can output.
Embodiment three
The present invention provides a kind of technical solution：A kind of concrete of high-durability and preparation method thereof, the high-durability
The formula of concrete includes following component：Portland cement 19%, steel fibre 7%, superfined flyash 11%, river sand 4%, poly- four
Vinyl fluoride 8%, silica flour 3%, antifreezing agent 8%, water-reducing agent 5%, air entraining agent 2%, remaining is water.
Wherein, antifreezing agent is calcium chloride, and water-reducing agent is lignosulfonates, and air entraining agent is fatty alcohol sulfonate and oil sulphur
The mixture of hydrochloric acid.
A kind of a kind of concrete of high-durability as described above and preparation method thereof, which includes following step
Suddenly：
S1：It quantitatively weighs, all raw materials is weighed according to above-mentioned component；
S2：Gather materials conveying, steel fibre, superfined flyash, river sand and silica flour are added sequentially in aggregate bin, it is then defeated
It send to plate and machine；
S3：Sizing material stirs, and after steel fibre, superfined flyash, river sand and silica flour are delivered in mixer, startup is mixed and stirred
Machine, and portland cement and water is added into mixer in mixing process, it is evenly mixed, ratio of mud control exists
0.65, the mixing time controlled at 4 minutes；
S4：Additive is filled, and after the material in mixer is evenly dispersed, is set at the pipeline between water tank and mixer
At the charging set, addition antifreezing agent, water-reducing agent and air entraining agent continue to mix and stir 4 minutes；
S5：Enhance material addition, after antifreezing agent, water-reducing agent and air entraining agent uniformly adequately mix and stir in material, and expects
When the thick dilution of object is moderate, to mixer inside be added molten condition polytetrafluoroethylene (PTFE), then proceed to stirring 3 minutes, and carry out
Isothermal holding 3 minutes, you can output.
Example IV
The present invention provides a kind of technical solution：A kind of concrete of high-durability and preparation method thereof, the high-durability
The formula of concrete includes following component：Portland cement 18%, steel fibre 8%, superfined flyash 10%, river sand 5%, poly- four
Vinyl fluoride 7%, silica flour 4%, antifreezing agent 7%, water-reducing agent 6%, air entraining agent 1%, remaining is water.
Wherein, antifreezing agent is the mixture that antifreezing agent is sodium nitrite, carbonate and calcium chloride, and water-reducing agent is poly- carboxylic
The mixture of acid, sulfamate and lignosulfonates, air entraining agent are the mixing of fatty alcohol sulfonate and oil sulphur hydrochloric acid
Object.
A kind of a kind of concrete of high-durability as described above and preparation method thereof, which includes following step
Suddenly：
S1：It quantitatively weighs, all raw materials is weighed according to above-mentioned component；
S2：Gather materials conveying, steel fibre, superfined flyash, river sand and silica flour are added sequentially in aggregate bin, it is then defeated
It send to plate and machine；
S3：Sizing material stirs, and after steel fibre, superfined flyash, river sand and silica flour are delivered in mixer, startup is mixed and stirred
Machine, and portland cement and water is added into mixer in mixing process, it is evenly mixed, ratio of mud control exists
0.55, the mixing time controlled at 5 minutes；
S4：Additive is filled, and after the material in mixer is evenly dispersed, is set at the pipeline between water tank and mixer
At the charging set, addition antifreezing agent, water-reducing agent and air entraining agent continue to mix and stir 5 minutes；
S5：Enhance material addition, after antifreezing agent, water-reducing agent and air entraining agent uniformly adequately mix and stir in material, and expects
When the thick dilution of object is moderate, to mixer inside be added molten condition polytetrafluoroethylene (PTFE), then proceed to stirring 4 minutes, and carry out
Isothermal holding 4 minutes, you can output.
By carrying out composition detection to four groups of embodiments, and one group of concrete is picked from the market and is compared, examine
It is as follows to survey result：
From the experimental data of upper table it is found that the 4th group of concrete of this programme is highly improved, make anti-durability and
Corrosion resistance gets a promotion, and makes it is suitable for more occasions, the wear-resisting property after enhancing concrete cast, and prepared by the present invention
Concrete, reduce the production cost of concrete, improve the cohesive force of concrete, shorten the hardening time of concrete,
Economic technology benefit and social benefit are notable, increase enterprise income, are 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 (9)
1. a kind of concrete of high-durability and preparation method thereof, it is characterised in that；The formula packet of the concrete of the high-durability
Include following component：Portland cement 16%-21%, steel fibre 5%-8%, superfined flyash 8%-13%, river sand 2%-6%,
Polytetrafluoroethylene (PTFE) 6%-10%, silica flour 1%-4%, antifreezing agent 3%-10%, water-reducing agent 3%-7%, air entraining agent 1%-4%,
Yu Weishui.
2. a kind of concrete of high-durability according to claim 1, it is characterised in that：Including portland cement 21%,
Steel fibre 5%, superfined flyash 13%, river sand 2%, polytetrafluoroethylene (PTFE) 10%, silica flour 1%, antifreezing agent 10%, water-reducing agent 3%,
Air entraining agent 4%, remaining is water.
3. a kind of concrete of high-durability according to claim 1, it is characterised in that：Including portland cement 20%,
Steel fibre 6%, river sand 3%, polytetrafluoroethylene (PTFE) 9%, silica flour 2%, antifreezing agent 9%, water-reducing agent 4%, draws superfined flyash 12%
Gas agent 3%, remaining is water.
4. a kind of concrete of high-durability according to claim 1, it is characterised in that：Including portland cement 19%,
Steel fibre 7%, river sand 4%, polytetrafluoroethylene (PTFE) 8%, silica flour 3%, antifreezing agent 8%, water-reducing agent 5%, draws superfined flyash 11%
Gas agent 2%, remaining is water.
5. a kind of concrete of high-durability according to claim 1, it is characterised in that：Including portland cement 18%,
Steel fibre 8%, river sand 5%, polytetrafluoroethylene (PTFE) 7%, silica flour 4%, antifreezing agent 7%, water-reducing agent 6%, draws superfined flyash 10%
Gas agent 1%, remaining is water.
6. a kind of concrete of high-durability according to claim 1, it is characterised in that：The antifreezing agent is nitrous acid
Sodium, carbonate and calcium chloride it is one or more.
7. a kind of concrete of high-durability according to claim 1, it is characterised in that：The air entraining agent is fatty alcohol sulphur
Hydrochlorate and oil sulphur hydrochloric acid it is one or more.
8. a kind of concrete of high-durability according to claim 1, it is characterised in that：The water-reducing agent be polycarboxylic acids,
Sulfamate and lignosulfonates it is one or more.
9. a kind of a kind of preparation method of the concrete of high-durability as described in any one of claim 1-8, feature exist
In：The preparation method includes the following steps：
S1：It quantitatively weighs, all raw materials is weighed according to above-mentioned component；
S2：Gather materials conveying, steel fibre, superfined flyash, river sand and silica flour are added sequentially in aggregate bin, are then sent to
In plate and machine；
S3：Sizing material stirs, and after steel fibre, superfined flyash, river sand and silica flour are delivered in mixer, starts mixer,
And portland cement and water is added into mixer in mixing process, it is evenly mixed, the ratio of mud is controlled in 0.45-
0.85, the mixing time controlled at 2-5 minutes；
S4：Additive is filled, and after the material in mixer is evenly dispersed, is arranged at the pipeline between water tank and mixer
At charging, addition antifreezing agent, water-reducing agent and air entraining agent continue to mix and stir 2-5 minutes；
S5：Enhance material addition, after antifreezing agent, water-reducing agent and air entraining agent uniformly adequately mix and stir in material, and material is thick
When dilution is moderate, to mixer inside the polytetrafluoroethylene (PTFE) of molten condition is added, then proceed to stirring 1-4 minutes, and protected
Temperature processing 1-4 minutes, you can output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810460092.XA CN108529977A (en) | 2018-05-15 | 2018-05-15 | A kind of concrete of high-durability and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460092.XA CN108529977A (en) | 2018-05-15 | 2018-05-15 | A kind of concrete of high-durability and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430048A (en) * | 2020-10-15 | 2021-03-02 | 江苏永固混凝土有限公司 | Preparation process of high-strength concrete |
| CN113173752A (en) * | 2021-04-07 | 2021-07-27 | 长泰县华信混凝土有限公司 | Preparation method of durable concrete for bridge pouring |
| CN116003047A (en) * | 2022-11-24 | 2023-04-25 | 福建鸿生高科环保科技有限公司 | High Jiang Kangla UHPC concrete and preparation method thereof |
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| CN104386970A (en) * | 2014-11-12 | 2015-03-04 | 无为恒基商品混凝土有限公司 | High-durability concrete |
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| JP2001240445A (en) * | 2000-02-28 | 2001-09-04 | Taiheiyo Cement Corp | Hydraulic cement composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113173752A (en) * | 2021-04-07 | 2021-07-27 | 长泰县华信混凝土有限公司 | Preparation method of durable concrete for bridge pouring |
| CN116003047A (en) * | 2022-11-24 | 2023-04-25 | 福建鸿生高科环保科技有限公司 | High Jiang Kangla UHPC concrete and preparation method thereof |
| CN116003047B (en) * | 2022-11-24 | 2024-04-16 | 福建鸿生高科环保科技有限公司 | High Jiang Kangla UHPC concrete and preparation method thereof |
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Application publication date: 20180914 |