CN114105585A - High-performance concrete material and preparation method thereof - Google Patents
High-performance concrete material and preparation method thereof Download PDFInfo
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- CN114105585A CN114105585A CN202111349311.5A CN202111349311A CN114105585A CN 114105585 A CN114105585 A CN 114105585A CN 202111349311 A CN202111349311 A CN 202111349311A CN 114105585 A CN114105585 A CN 114105585A
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Classifications
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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
- C04B28/142—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 containing synthetic or waste calcium sulfate cements
- C04B28/143—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 containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
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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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2111/29—Frost-thaw resistance
Abstract
The invention discloses a high-performance concrete material and a preparation method thereof. The concrete material has high strength and hardness, can recycle wastes reasonably, reduces the manufacturing cost of the concrete, and adopts the micro-nano composite superstructure hollow nano material so as to improve the internal curing mechanism of the concrete; the concrete material is suitable for being used under different environments, can be used under a hot environment, can also be used under a severe cold environment, can be used in coastal areas, has strong heat preservation, anti-freezing and heat insulation performance, can not cause the phenomenon of concrete cracking separation, has strong concrete compressive property, can not cause the phenomenon of corrosion when used in the coastal areas or seawater, can protect the outer surface of concrete, and can also protect steel inside the concrete.
Description
Technical Field
The invention relates to the field of concrete materials, in particular to a high-performance concrete material and a preparation method thereof.
Background
The common concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening. Concrete is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; a hard state after hardening, i.e. hardened concrete or concrete; the concrete is widely applied, the existing concrete material has poor performance and many defects, the existing concrete material has low strength and hardness, has poor heat insulation performance and short service life when used in severe cold areas, is easy to freeze and crack, thereby causing large-area separation of the concrete, has poor corrosion resistance, is easy to be corroded by sea wind when used in coastal areas, causes steel inside the concrete to be corroded, and seriously reduces the quality of the concrete; the existing concrete is used in seawater, and has poor durability, seepage-proofing performance and stability; the existing concrete has low solidification efficiency, is easy to freeze when being used in winter, and seriously influences the quality of the concrete, thereby providing a high-performance concrete material and a preparation method thereof.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a high-performance concrete material and a preparation method thereof so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-performance concrete material comprises 50-65 parts of solid waste materials, 1-2 parts of micro-nano composite superstructure hollow nano materials, 30-50 parts of gel materials, 35-55 parts of broken stones, 30-35 parts of fine sand, 20-25 parts of cement, 10-15 parts of fly ash, 5-10 parts of composite rare earth, 15-25 parts of glass fibers, 10-15 parts of anti-corrosion additives, 5-10 parts of auxiliaries and a proper amount of water.
As a preferred technical scheme of the invention, the solid waste material comprises 40-50 parts of caustic sludge, 40-50 parts of red mud, 40-50 parts of carbide slag and 40-50 parts of phosphogypsum.
As a preferred technical scheme of the invention, the micro-nano composite superstructure hollow nano material comprises nano carbon, nano calcium carbonate and micro-nano structure calcium molybdate, and the proportion of the nano carbon, the nano calcium carbonate and the micro-nano structure calcium molybdate is 1: 1: 1.
as a preferred technical scheme of the invention, the anti-corrosion additive comprises 5-8 parts of calcium nitrite, 2-5 parts of calcined gypsum, 6-8 parts of layered instant water glass, 3-6 parts of hexamethylenetetramine, 2-5 parts of sodium tripolyphosphate, 3-6 parts of a water reducing agent and 3-6 parts of an air entraining agent.
As a preferable technical scheme of the invention, the auxiliary agent comprises a thickening agent, a curing agent, a coupling agent, a defoaming agent and a pH regulator, wherein the thickening agent is 5-12 parts, the curing agent is 4-8 parts, the coupling agent is 3-5 parts, the defoaming agent is 3-6 parts and the pH regulator is 3-5 parts.
A preparation method of a high-performance concrete material comprises the following steps:
s1: cutting glass fiber into 3-5 cm long, and then putting the glass fiber, fine sand, cement, fly ash and composite rare earth into a stirring cylinder to stir for 5-10 minutes to mix the glass fiber, the cement, the fly ash and the composite rare earth together to obtain a mixture A;
s2: then putting the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone into a stirring cylinder, and stirring for 3-5 minutes to mix the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone together to obtain a mixture B;
s3: putting the mixture A and the mixture B into a concrete stirring cylinder together for stirring, then adding a proper amount of water, adding an anti-corrosion additive and an auxiliary agent, and stirring for 25-30 minutes to obtain a concrete semi-finished product;
s4: and putting the gel material into the concrete semi-finished product, and stirring for 10-15 minutes to obtain the finished concrete.
The invention has the beneficial effects that: the concrete material has the advantages that:
the concrete material has high strength and hardness, can recycle wastes reasonably, reduces the manufacturing cost of the concrete, and adopts the micro-nano composite superstructure hollow nano material so as to improve the internal curing mechanism of the concrete;
the concrete material is suitable for being used in different environments, can be used in hot environments, also can be used in severe cold environments, and can be used in coastal areas, the heat preservation, the freezing prevention and the heat insulation performance are strong, the phenomenon of cracking and separation of the concrete cannot occur, and the compression resistance of the concrete is strong;
the concrete material has strong durability, good anti-seepage performance, strong stability and high solidification efficiency, can be quickly solidified when used in winter, and can prevent freezing;
the concrete material has the corrosion resistance in coastal areas or seawater, can not corrode, can protect the outer surface of the concrete, can also protect steel in the concrete, and improves the quality of the concrete.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention and to clearly define the scope of the invention.
The invention provides a technical scheme that: a high-performance concrete material comprises 50-65 parts of solid waste materials, 1-2 parts of micro-nano composite superstructure hollow nano materials, 30-50 parts of gel materials, 35-55 parts of broken stones, 30-35 parts of fine sand, 20-25 parts of cement, 10-15 parts of fly ash, 5-10 parts of composite rare earth, 15-25 parts of glass fibers, 10-15 parts of anti-corrosion additives, 5-10 parts of auxiliaries and a proper amount of water;
the solid waste material comprises 40-50 parts of alkaline residue, 40-50 parts of red mud, 40-50 parts of carbide slag and 40-50 parts of phosphogypsum;
the micro-nano composite superstructure hollow nano material comprises nano carbon, nano calcium carbonate and micro-nano structure calcium molybdate, and the proportion is 1: 1: 1;
the anti-corrosion additive comprises 5-8 parts of calcium nitrite, 2-5 parts of calcined gypsum, 6-8 parts of layered instant water glass, 3-6 parts of hexamethylenetetramine, 2-5 parts of sodium tripolyphosphate, 3-6 parts of water reducing agent and 3-6 parts of air entraining agent;
the auxiliary agent comprises 5-12 parts of thickening agent, 4-8 parts of curing agent, 3-5 parts of coupling agent, 3-6 parts of defoaming agent and 3-5 parts of pH regulator.
A preparation method of a high-performance concrete material comprises the following steps:
s1: cutting glass fiber into 3-5 cm long, and then putting the glass fiber, fine sand, cement, fly ash and composite rare earth into a stirring cylinder to stir for 5-10 minutes to mix the glass fiber, the cement, the fly ash and the composite rare earth together to obtain a mixture A;
s2: then putting the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone into a stirring cylinder, and stirring for 3-5 minutes to mix the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone together to obtain a mixture B;
s3: putting the mixture A and the mixture B into a concrete stirring cylinder together for stirring, then adding a proper amount of water, adding an anti-corrosion additive and an auxiliary agent, and stirring for 25-30 minutes to obtain a concrete semi-finished product;
s4: and putting the gel material into the concrete semi-finished product, and stirring for 10-15 minutes to obtain the finished concrete.
Example 1:
the material formula is as follows: 50 parts of solid waste material, 1 part of micro-nano composite superstructure hollow nano material, 30 parts of gel material, 35 parts of broken stone, 30 parts of fine sand, 20 parts of cement, 10 parts of fly ash, 5 parts of composite rare earth, 15 parts of glass fiber, 10 parts of anti-corrosion additive, 5 parts of auxiliary agent and a proper amount of water;
40 parts of alkaline residue, 40 parts of red mud, 40 parts of carbide slag and 40 parts of phosphogypsum in the solid waste material;
5 parts of calcium nitrite, 2 parts of calcined gypsum, 6 parts of layered instant water glass, 3 parts of hexamethylenetetramine, 2 parts of sodium tripolyphosphate, 3 parts of water reducing agent and 3 parts of air entraining agent in the corrosion-resistant additive;
5 parts of thickening agent, 4 parts of curing agent, 3 parts of coupling agent, 3 parts of defoaming agent and 3 parts of pH regulator in the auxiliary agent;
the preparation method comprises the following steps:
s1: cutting glass fiber into 3-5 cm long, and then putting the glass fiber, fine sand, cement, fly ash and composite rare earth into a stirring cylinder to stir for 5-10 minutes to mix the glass fiber, the cement, the fly ash and the composite rare earth together to obtain a mixture A;
s2: then putting the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone into a stirring cylinder, and stirring for 3-5 minutes to mix the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone together to obtain a mixture B;
s3: putting the mixture A and the mixture B into a concrete stirring cylinder together for stirring, then adding a proper amount of water, adding an anti-corrosion additive and an auxiliary agent, and stirring for 25-30 minutes to obtain a concrete semi-finished product;
s4: and putting the gel material into the concrete semi-finished product, and stirring for 10-15 minutes to obtain the finished concrete.
Example 2:
the material formula is as follows: 60 parts of solid waste material, 1.5 parts of micro-nano composite superstructure hollow nano material, 40 parts of gel material, 40 parts of broken stone, 33 parts of fine sand, 23 parts of cement, 13 parts of fly ash, 8 parts of composite rare earth, 20 parts of glass fiber, 13 parts of anti-corrosion additive, 8 parts of auxiliary agent and a proper amount of water;
45 parts of alkaline residue, 45 parts of red mud, 45 parts of carbide slag and 45 parts of phosphogypsum in the solid waste material;
6 parts of calcium nitrite, 3 parts of calcined gypsum, 7 parts of layered instant water glass, 4 parts of hexamethylenetetramine, 3 parts of sodium tripolyphosphate, 4 parts of water reducing agent and 4 parts of air entraining agent in the corrosion-resistant additive;
8 parts of thickening agent, 6 parts of curing agent, 4 parts of coupling agent, 5 parts of defoaming agent and 4 parts of pH regulator in the auxiliary agent;
the preparation method comprises the following steps:
s1: cutting glass fiber into 3-5 cm long, and then putting the glass fiber, fine sand, cement, fly ash and composite rare earth into a stirring cylinder to stir for 5-10 minutes to mix the glass fiber, the cement, the fly ash and the composite rare earth together to obtain a mixture A;
s2: then putting the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone into a stirring cylinder, and stirring for 3-5 minutes to mix the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone together to obtain a mixture B;
s3: putting the mixture A and the mixture B into a concrete stirring cylinder together for stirring, then adding a proper amount of water, adding an anti-corrosion additive and an auxiliary agent, and stirring for 25-30 minutes to obtain a concrete semi-finished product;
s4: and putting the gel material into the concrete semi-finished product, and stirring for 10-15 minutes to obtain the finished concrete.
Example 3:
the material formula is as follows: 65 parts of solid waste material, 2 parts of micro-nano composite superstructure hollow nano material, 50 parts of gel material, 55 parts of broken stone, 35 parts of fine sand, 25 parts of cement, 15 parts of fly ash, 10 parts of composite rare earth, 25 parts of glass fiber, 15 parts of anti-corrosion additive, 10 parts of auxiliary agent and a proper amount of water;
50 parts of alkaline residue, 50 parts of red mud, 50 parts of carbide slag and 50 parts of phosphogypsum in the solid waste material;
8 parts of calcium nitrite, 5 parts of calcined gypsum, 8 parts of layered instant water glass, 6 parts of hexamethylenetetramine, 5 parts of sodium tripolyphosphate, 6 parts of water reducing agent and 6 parts of air entraining agent in the corrosion-resistant additive;
12 parts of thickening agent, 8 parts of curing agent, 5 parts of coupling agent, 6 parts of defoaming agent and 5 parts of pH regulator in the auxiliary agent;
the preparation method comprises the following steps:
s1: cutting glass fiber into 3-5 cm long, and then putting the glass fiber, fine sand, cement, fly ash and composite rare earth into a stirring cylinder to stir for 5-10 minutes to mix the glass fiber, the cement, the fly ash and the composite rare earth together to obtain a mixture A;
s2: then putting the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone into a stirring cylinder, and stirring for 3-5 minutes to mix the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone together to obtain a mixture B;
s3: putting the mixture A and the mixture B into a concrete stirring cylinder together for stirring, then adding a proper amount of water, adding an anti-corrosion additive and an auxiliary agent, and stirring for 25-30 minutes to obtain a concrete semi-finished product;
s4: and putting the gel material into the concrete semi-finished product, and stirring for 10-15 minutes to obtain the finished concrete.
The comparison group adopts common concrete materials to carry out experimental comparison; examples 1, 2, 3 and the comparative groups all passed the tests of compressive, corrosion, cohesive, frost, impermeability, thermal insulation and thermal shock resistance of the concrete, the results of which are given in the following table:
the concrete material has high strength and hardness, can recycle wastes reasonably, reduces the manufacturing cost of the concrete, and adopts the micro-nano composite superstructure hollow nano material so as to improve the internal curing mechanism of the concrete; the concrete material is suitable for being used in different environments, can be used in hot environments and severe cold environments, can be used in coastal areas, has strong heat preservation, anti-freezing and heat insulation performances, does not have the phenomenon of cracking and separating of concrete, and has strong concrete compression resistance; the concrete material has the corrosion resistance in coastal areas or seawater, can not corrode, can protect the outer surface of the concrete, can also protect steel in the concrete, and improves the quality of the concrete.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. A high-performance concrete material is characterized in that: the composite super-structure hollow glass fiber reinforced plastic comprises 50-65 parts of solid waste materials, 1-2 parts of micro-nano composite superstructure hollow nano materials, 30-50 parts of gel materials, 35-55 parts of broken stones, 30-35 parts of fine sand, 20-25 parts of cement, 10-15 parts of fly ash, 5-10 parts of composite rare earth, 15-25 parts of glass fibers, 10-15 parts of anti-corrosion additives, 5-10 parts of auxiliaries and a proper amount of water.
2. A high performance concrete material according to claim 1, characterized in that: the solid waste material comprises 40-50 parts of alkaline residue, 40-50 parts of red mud, 40-50 parts of carbide slag and 40-50 parts of phosphogypsum.
3. A high performance concrete material according to claim 1, characterized in that: the micro-nano composite superstructure hollow nano material comprises nano carbon, nano calcium carbonate and micro-nano structure calcium molybdate, and the proportion is 1: 1: 1.
4. a high performance concrete material according to claim 1, characterized in that: the anti-corrosion additive comprises 5-8 parts of calcium nitrite, 2-5 parts of calcined gypsum, 6-8 parts of layered instant water glass, 3-6 parts of hexamethylenetetramine, 2-5 parts of sodium tripolyphosphate, 3-6 parts of water reducing agent and 3-6 parts of air entraining agent.
5. A high performance concrete material according to claim 1, characterized in that: the auxiliary agent comprises 5-12 parts of thickening agent, 4-8 parts of curing agent, 3-5 parts of coupling agent, 3-6 parts of defoaming agent and 3-5 parts of pH regulator.
6. The method for preparing a high-performance concrete material according to claim 1, wherein the method comprises the following steps:
s1: cutting glass fiber into 3-5 cm long, and then putting the glass fiber, fine sand, cement, fly ash and composite rare earth into a stirring cylinder to stir for 5-10 minutes to mix the glass fiber, the cement, the fly ash and the composite rare earth together to obtain a mixture A;
s2: then putting the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone into a stirring cylinder, and stirring for 3-5 minutes to mix the solid waste material, the micro-nano composite superstructure hollow nano material and the broken stone together to obtain a mixture B;
s3: putting the mixture A and the mixture B into a concrete stirring cylinder together for stirring, then adding a proper amount of water, adding an anti-corrosion additive and an auxiliary agent, and stirring for 25-30 minutes to obtain a concrete semi-finished product;
s4: and putting the gel material into the concrete semi-finished product, and stirring for 10-15 minutes to obtain the finished concrete.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956655A (en) * | 2022-05-24 | 2022-08-30 | 浙江雅杰建材有限公司 | Preparation method of rare earth curing agent for cement sealing |
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| CN101811840A (en) * | 2010-04-20 | 2010-08-25 | 南京工业大学 | Anti-corrosion admixture for oceanic concrete |
| CN108046665A (en) * | 2017-11-09 | 2018-05-18 | 济南大学 | A kind of micro-nano composite hollow structure nano material modification high durability concrete material and preparation method thereof |
| CN108913013A (en) * | 2018-08-16 | 2018-11-30 | 江苏欣安新材料技术有限公司 | A kind of high bond strength ocean concrete anti-corrosion material and its preparation process |
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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172798A (en) * | 2007-10-30 | 2008-05-07 | 中国水利水电第十四工程局 | Building gypsum and mineral additive, and method of manufacturing the same |
| CN101811840A (en) * | 2010-04-20 | 2010-08-25 | 南京工业大学 | Anti-corrosion admixture for oceanic concrete |
| CN108046665A (en) * | 2017-11-09 | 2018-05-18 | 济南大学 | A kind of micro-nano composite hollow structure nano material modification high durability concrete material and preparation method thereof |
| CN108913013A (en) * | 2018-08-16 | 2018-11-30 | 江苏欣安新材料技术有限公司 | A kind of high bond strength ocean concrete anti-corrosion material and its preparation process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114956655A (en) * | 2022-05-24 | 2022-08-30 | 浙江雅杰建材有限公司 | Preparation method of rare earth curing agent for cement sealing |
| CN114956655B (en) * | 2022-05-24 | 2023-03-24 | 浙江雅杰建材有限公司 | Preparation method of rare earth curing agent for cement sealing |
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