CN114436573A - High-strength corrosion-resistant concrete and preparation method of prefabricated part thereof - Google Patents
High-strength corrosion-resistant concrete and preparation method of prefabricated part thereof Download PDFInfo
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- CN114436573A CN114436573A CN202210146085.9A CN202210146085A CN114436573A CN 114436573 A CN114436573 A CN 114436573A CN 202210146085 A CN202210146085 A CN 202210146085A CN 114436573 A CN114436573 A CN 114436573A
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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
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/024—Steam hardening, e.g. in an autoclave
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a high-strength corrosion-resistant concrete and a preparation method of a prefabricated part thereof, wherein the preparation formula of the high-strength corrosion-resistant concrete mainly comprises the following components: the concrete comprises a strength-improving component, a corrosion resistance-improving component and a reinforcing component, wherein the strength-improving component consists of cement, gel, machine-made sand, broken stone and a water reducing agent, the corrosion resistance-improving component consists of quartz sand, fly ash, straw, acrylate emulsion, ethylene glycol distearate and sodium aluminum silicate, and the reinforcing component consists of clay, lime, gypsum and volcanic ash. According to the invention, the internal strength of the concrete can be further improved through cement, gel, machine-made sand, broken stone and water reducing agent, and the problem that the existing concrete is too low in strength after being manufactured, not good enough in corrosion resistance effect, easy to cause quality problems during long-term use and influenced in construction safety is solved.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to high-strength corrosion-resistant concrete and a preparation method of a prefabricated part thereof.
Background
The concrete is a general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials, but the strength of the existing concrete is too low after the concrete is manufactured, the corrosion resistance effect is not good enough, quality problems are easy to occur when the concrete is used for a long time, and the construction safety is influenced.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide a high-strength corrosion-resistant concrete and a preparation method of a prefabricated part thereof, which have the advantages of high strength and corrosion resistance, and solve the problems that the strength of the existing concrete is too low after the existing concrete is prepared, the corrosion resistance effect is not good enough, the quality problem is easy to occur during long-time use, and the construction safety is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the preparation method of the high-strength corrosion-resistant concrete and the prefabricated member thereof comprises the following main components: strength improving component, corrosion resistance improving component and reinforcing component.
Preferably, the strength-enhancing component is composed of cement, gelling agent, machine-made sand, crushed stone and water reducing agent, the corrosion resistance-enhancing component is composed of quartz sand, fly ash, straw, acrylate emulsion, ethylene glycol distearate and sodium aluminum silicate, and the reinforcing component is composed of clay, lime, gypsum and volcanic ash.
Preferably, the contents of the components are as follows: 195 parts of cement and 530kg/m of gelling agent3840kg/m of machine-made sand3Crushed stone 900kg/m39kg/m of water reducing agent3420 parts of quartz sand, 73 parts of fly ash, 8 parts of straw, 18 parts of acrylate emulsion, 11 parts of ethylene glycol distearate, 7 parts of sodium aluminum silicate, 50 parts of clay, 70 parts of lime, 50 parts of gypsum and 56 parts of volcanic ash.
The preparation method of the high-strength corrosion-resistant concrete and the prefabricated part thereof comprises the steps of a) mixing raw materials; step b) searching a forming mold; step c) transporting the concrete mixture; step d) steam curing concrete; step e) cooling of finished products:
step a) mixing raw materials; the raw materials are taken according to the proportion and then stirred and mixed by a mixing device at the speed of 150-200 r/min.
Step b) searching a forming mold; and searching a forming mold with a specific proportion, and cleaning the mold to ensure that the surface of the mold is clean and smooth.
Step c) transporting the concrete mixture; the concrete mixture may be transported to the construction site by a hopper, belt conveyor or truck mixer.
Step d) steam curing concrete; pouring the concrete raw material into a mould, vibrating for 60-80s, and pre-curing at 30-40 ℃ for 1-1.5 h; cutting the pre-cured product, and then performing steam curing at the temperature of 180 ℃ and 200 ℃ under the pressure of 10-12MPa for 7-8h to obtain a finished product.
Step e) cooling the finished product; and (4) physically cooling the finished product after processing, and putting the finished product into a storage box after cooling.
Preferably, the raw materials need to be subjected to heat preservation treatment during mixing, and the heat preservation temperature is 20-25 ℃.
Preferably, when the forming mold is found, the mold is poured with paint, and the flat and firm joint of the mold is confirmed.
Preferably, the concrete mixture needs to be subjected to anti-spillage treatment when being transported, so that resource waste is avoided.
Preferably, the concrete steaming is performed in a dust-free room, so that dust is prevented from entering the raw materials.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through cement, gel, machine-made sand, gravel and a water reducing agent, the internal strength of a concrete can be further improved, the phenomenon of cracking is avoided, through quartz sand, fly ash, straw, acrylate emulsion, ethylene glycol distearate and sodium aluminum silicate, corrosion resistance of the concrete can be enhanced, the phenomenon of being corroded into powder after a long time is avoided, through clay, lime, gypsum and volcanic ash, the quartz sand, the fly ash, the straw, the acrylate emulsion, the ethylene glycol distearate and the sodium aluminum silicate, the quartz sand and the fly ash can be mixed more firmly, the integral cohesiveness is enhanced, the problems that the strength of the existing concrete is too low after the existing concrete is manufactured, the corrosion resistance effect is not good enough, the quality problem is easy to occur during long-time use, and the construction safety is influenced are solved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a preparation method of high-strength corrosion-resistant concrete and a prefabricated part thereof, and the preparation formula of the high-strength corrosion-resistant concrete mainly comprises the following components: strength component, corrosion resistance component and reinforcing component.
The invention is further set that the component for improving the strength consists of cement, gel, machine-made sand, broken stone and water reducing agent, the component for improving the corrosion resistance consists of quartz sand, fly ash, straw, acrylate emulsion, ethylene glycol distearate and sodium aluminum silicate, and the reinforcing component consists of clay, lime, gypsum and volcanic ash.
The invention is further provided that the content of each component is as follows: 195 parts of cement and 530kg/m of gelling agent3840kg/m of machine-made sand3Crushed stone 900kg/m39kg/m of water reducing agent3420 parts of quartz sand, 73 parts of fly ash, 8 parts of straw, 18 parts of acrylate emulsion, 11 parts of ethylene glycol distearate, 7 parts of sodium aluminum silicate, 50 parts of clay, 70 parts of lime, 50 parts of gypsum and 56 parts of volcanic ash.
The invention provides a preparation method of high-strength corrosion-resistant concrete and a prefabricated part thereof, which comprises the following steps of a) mixing raw materials; step b) searching a forming mold; step c) transporting the concrete mixture; step d) steam curing concrete; step e) cooling of finished products:
step a) mixing raw materials; the raw materials are taken according to the proportion and then stirred and mixed by a mixing device at the speed of 150-200 r/min.
Step b) searching a forming mold; and searching a forming die with a specific proportion, and cleaning the die to ensure that the surface of the die is clean and smooth.
Step c) transporting the concrete mixture; the concrete mixture may be delivered to the construction site by a hopper, belt conveyor or truck mixer.
Step d) steam curing concrete; pouring the concrete raw material into a mould, vibrating for 60-80s, and pre-curing at 30-40 ℃ for 1-1.5 h; cutting the pre-cured product, and then performing steam curing at the temperature of 180 ℃ and 200 ℃ under the pressure of 10-12MPa for 7-8h to obtain a finished product.
Step e) cooling the finished product; and (4) physically cooling the finished product after processing, and putting the finished product into a storage box after cooling.
The invention is further set to carry out heat preservation treatment when the raw materials are mixed, wherein the heat preservation temperature is 20-25 ℃.
The invention is further set to pour paint on the die and confirm that the splicing position of the die is smooth and firm when the forming die is found.
The invention is further set that the concrete mixture needs to be subjected to anti-spilling and anti-leaking treatment when being transported, so that the resource waste is avoided.
The invention is further arranged to be carried out in a dust-free room when the concrete is steamed, so as to prevent dust from entering the raw materials.
The working principle and the using process of the invention are as follows: firstly, taking all raw materials in proportion, stirring and mixing the raw materials at the speed of 150 plus one year at 200r/min by a mixing device, searching a forming mold with a specific proportion, cleaning the mold to ensure that the surface of the forming mold is clean and smooth and ensure that the splicing part of the mold is smooth and firm, conveying a concrete mixture to a construction site by using a hopper, a belt conveyor or a stirring and transporting vehicle, pouring the concrete raw materials into the mold, vibrating for 60-80s, and pre-curing at the temperature of 30-40 ℃ for 1-1.5 h; cutting the pre-cured product, then performing steam curing at the temperature of 180 ℃ and 200 ℃ under the pressure of 10-12MPa for 7-8h to obtain a finished product, performing physical cooling on the finished product after processing, and putting the finished product into a storage box after cooling so as to achieve the effects of high strength and corrosion resistance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A preparation method of high-strength corrosion-resistant concrete and prefabricated parts thereof is characterized by comprising the following steps: the preparation formula of the high-strength corrosion-resistant concrete comprises the following main components: strength component, corrosion resistance component and reinforcing component.
2. The preparation method of the high-strength corrosion-resistant concrete and the prefabricated parts thereof according to claim 1, wherein the preparation method comprises the following steps: the component for improving the strength consists of cement, gel, machine-made sand, broken stone and a water reducing agent, the component for improving the corrosion resistance consists of quartz sand, fly ash, straw, acrylate emulsion, ethylene glycol distearate and sodium aluminum silicate, and the reinforcing component consists of clay, lime, gypsum and volcanic ash.
3. The preparation method of the high-strength corrosion-resistant concrete and the prefabricated parts thereof according to claim 1, wherein the preparation method comprises the following steps: the contents of the components are as follows: 195 parts of cement and 530kg/m of gelling agent3840kg/m of machine-made sand3Crushed stone 900kg/m39kg/m of water reducing agent3420 parts of quartz sand, 73 parts of fly ash, 8 parts of straw, 18 parts of acrylate emulsion, 11 parts of ethylene glycol distearate, 7 parts of sodium aluminum silicate, 50 parts of clay, 70 parts of lime, 50 parts of gypsum and 56 parts of volcanic ash.
4. The preparation method of the high-strength corrosion-resistant concrete and the prefabricated parts thereof according to claim 1, wherein the preparation method comprises the following steps: comprising the steps of a) mixing raw materials; step b) searching a forming mold; step c) transporting the concrete mixture; step d) steam curing concrete; step e) cooling of finished products:
step a) mixing raw materials; the raw materials are taken according to the proportion and then stirred and mixed by a mixing device at the speed of 150-200 r/min.
Step b) searching a forming mold; and searching a forming die with a specific proportion, and cleaning the die to ensure that the surface of the die is clean and smooth.
Step c) transporting the concrete mixture; the concrete mixture may be transported to the construction site by a hopper, belt conveyor or truck mixer.
Step d) steam curing concrete; pouring the concrete raw material into a mould, vibrating for 60-80s, and pre-curing at 30-40 ℃ for 1-1.5 h; cutting the pre-cured product, and then performing steam curing at the temperature of 180 ℃ and 200 ℃ under the pressure of 10-12MPa for 7-8h to obtain a finished product.
Step e) cooling the finished product; and (4) physically cooling the finished product after processing, and putting the finished product into a storage box after cooling.
5. The method for preparing high-strength corrosion-resistant concrete and the prefabricated parts thereof according to claim 4, wherein the method comprises the following steps: when the raw materials are mixed, heat preservation treatment is needed, and the heat preservation temperature is 20-25 ℃.
6. The preparation method of the high-strength corrosion-resistant concrete and the prefabricated parts thereof according to claim 4, wherein the preparation method comprises the following steps: when the forming die is found, the die is required to be poured with paint, and the splicing position of the die is confirmed to be smooth and firm.
7. The preparation method of the high-strength corrosion-resistant concrete and the prefabricated parts thereof according to claim 4, wherein the preparation method comprises the following steps: need carry out anti-spillage and anti-leakage treatment to it during transportation concrete mixture, avoid the wasting of resources.
8. The preparation method of the high-strength corrosion-resistant concrete and the prefabricated parts thereof according to claim 4, wherein the preparation method comprises the following steps: when the concrete is steamed, the concrete is needed to be steamed in a dust-free room, so that dust is prevented from entering raw materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146085.9A CN114436573A (en) | 2022-02-17 | 2022-02-17 | High-strength corrosion-resistant concrete and preparation method of prefabricated part thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210146085.9A CN114436573A (en) | 2022-02-17 | 2022-02-17 | High-strength corrosion-resistant concrete and preparation method of prefabricated part thereof |
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| CN114436573A true CN114436573A (en) | 2022-05-06 |
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Citations (11)
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| JP2011195354A (en) * | 2010-03-18 | 2011-10-06 | Taiheiyo Cement Corp | Method for producing high strength precast concrete |
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| CN111196704A (en) * | 2020-01-19 | 2020-05-26 | 上海石化安东混凝土有限公司 | Concrete for prefabricated part and preparation method thereof |
| CN112645681A (en) * | 2020-12-23 | 2021-04-13 | 温州市三箭混凝土有限公司 | Corrosion-resistant concrete and preparation method thereof |
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2022
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011195354A (en) * | 2010-03-18 | 2011-10-06 | Taiheiyo Cement Corp | Method for producing high strength precast concrete |
| CN102659373A (en) * | 2012-04-13 | 2012-09-12 | 江苏建华管桩有限公司 | High-performance corrosion-resisting concrete pile and preparation method thereof |
| CN103086675A (en) * | 2013-02-07 | 2013-05-08 | 江苏东浦管桩有限公司 | Prestress corrosion preventing tubular pile used in coastal special geological conditions as well as manufacturing method thereof |
| CN104891902A (en) * | 2015-05-20 | 2015-09-09 | 中民筑友有限公司 | C35 low-gelatinizer self-compacting corrosion resistant concrete and preparation method thereof |
| CN106082901A (en) * | 2016-06-13 | 2016-11-09 | 河南大学 | The green concrete prefabricated pile of a kind of strengthening soft foundation and construction method |
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Application publication date: 20220506 |
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