A high-efficiency permeable reinforced concrete preservative

A reinforced concrete and permeable technology, applied in the field of concrete admixtures, can solve problems such as poor anticorrosion effect, prone to aging, and coating failure, so as to improve the ability of structural damage and impermeability, improve flow dispersion, Effect of inhibiting steel corrosion

Inactive Publication Date: 2019-02-26
SHANDONG HUAAN TOWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional anti-corrosion methods for concrete are: (1) Use of sulfate-resistant cement: due to its resistance to Cl - Poor corrosion ability, in Cl - , SO 4 2- In the coexistence environment, the anti-corrosion effect is not good, and the output is low and the cost is high; (2) use of external coating technology: strong ultraviolet radiation on the plateau is prone to aging, cracking, and the coating will fail, and there are certain limitations, such as Cast-in-situ piles cannot be externally coated and the effective time is short, with a maximum life of 10 years; (3) Increase the protective layer and improve the concrete strength level: it can delay corrosion, but the project cost is high

Method used

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  • A high-efficiency permeable reinforced concrete preservative
  • A high-efficiency permeable reinforced concrete preservative

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Experimental program
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Effect test

Embodiment 1

[0024] A high-efficiency penetrating reinforced concrete antiseptic, said antiseptic includes antiseptic component, anti-rust component, high molecular polymer component, wherein, in terms of mass percentage, anti-corrosion component 50%, anti-rust component 30 %, the polymer component is 20%, and the total mass percentage of each component is 100%;

[0025] Among the anti-corrosion components, SiO 2 95%, Al 2 O 3 0.9%, Fe 2 O 3 0.8%, MgO0.7%, CaO 0.8%, NaO 1.8%, and the PH of the anticorrosive component is 7.21.

[0026] The composition of the raw material components of the anti-rust group and their weight percentages are as follows: 62% bisimidazoline quaternary ammonium salt, 32% didecyldimethylammonium carbonate, and 6% sodium molybdate.

[0027] The composition of the high molecular polymer component by weight percentage is as follows: polytrifluorochloroethylene 40%, pure acrylic nanoemulsion 30%, and polysiloxane 30%.

[0028] The application of the above-mentioned high-effi...

Embodiment 2

[0034] A high-efficiency permeable reinforced concrete antiseptic. The antiseptic includes an antiseptic component, a rust-inhibiting component, and a high molecular polymer component. The anti-corrosion component is 60% and the rust-inhibiting component 25 %, high molecular polymer component 15%, the total mass percentage of each component is 100%;

[0035] Among the anti-corrosion components, SiO 2 92%, Al 2 O 3 1.5%, Fe 2 O 3 2.2%, MgO1.6%, CaO1.0%, NaO 1.7%, PH of anticorrosive component is 7.21.

[0036] The composition of the raw material components of the anti-rust group and their weight percentages are as follows: bisimidazoline quaternary ammonium salt 68%, didecyldimethylammonium carbonate 25%, and sodium molybdate 7%.

[0037] The composition of the high molecular polymer component by weight percentage is as follows: polytrifluorochloroethylene 55%, modified acrylic nanoemulsion 35%, and polysiloxane 10%.

[0038] The application of high-efficiency permeable reinforced c...

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Abstract

The invention relates to an efficient permeating reinforced concrete preservative which comprises an anti-corrosion component, an anti-rust component and a high-molecular polymer component. The efficient permeating reinforced concrete preservative comprises, by mass percentage, 50-70% of anti-corrosion component, 10-30% of anti-rust component and 8-20% of high-molecular polymer component. The sum of the mass percentages of all the components is 100%. The preservative remarkably improves concrete capability of preventing corrosive mediums from permeating the inside to lead to structural damage and anti-permeating performance; a passive film and an absorption film are formed on the surface of a steel bar, and the corrosion to the steel bar caused by chloride ions can be effectively restrained for a long term; a special net-shaped anti-permeating film is generated in the strong-basic environment of cement slurry, and the speed of most of acid ions migrating into the concrete is delayed.

Description

Technical field [0001] The invention relates to a concrete admixture, in particular to a high-efficiency permeable reinforced concrete anticorrosive agent. Background technique [0002] Under the effects of physical damage and chemical erosion of concrete in the natural environment, surface cracking, peeling and corrosion of steel bars usually occur, which seriously affects the service life of buildings. Especially for chemical corrosion, the annual loss in my country is as high as 600 billion yuan, and 10 million tons of steel are turned into rust due to corrosion. The problem has reached the point where it has to be resolved. Concrete is susceptible to corrosion, that is, concrete has poor resistance to physical and chemical corrosion, such as carbonization, freeze-thaw, chloride ion, and sulfate corrosion. The traditional anti-corrosion method of concrete is: (1) Use sulfate-resistant cement: due to its resistance to Cl - Poor corrosion ability, in Cl - , SO 4 2- In the coex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/42C04B103/61
CPCC04B40/0039C04B2103/61C04B14/06C04B14/303C04B14/308C04B14/304C04B22/062C04B22/064C04B24/128C04B24/121C04B22/08C04B24/2682C04B24/2641C04B24/42
Inventor 丁亮丁长显
Owner SHANDONG HUAAN TOWER CO LTD
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