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Modified acrylic coating concrete anti-corrosion method

A concrete and acrylic technology, applied in building components, building insulation materials, buildings, etc., can solve the problems of wear resistance, salt water resistance, durability, weather resistance, poor anti-corrosion performance of coatings, structural damage, etc. , to achieve the effect of convenient and quick spraying, dense and firm coating, and good freeze-thaw resistance

Inactive Publication Date: 2016-03-02
CHINA MCC17 GRP
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  • Description
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AI Technical Summary

Problems solved by technology

[0002] Roads, municipal engineering bridges, etc. are often eroded by rain and air. The main manifestations are the corrosion of concrete, the rust of steel bars, and the reduction of strength, resulting in reduced life and even structural damage. Now concrete will be coated, but the wear resistance, Salt water resistance, durability, and weather resistance are not very good, and the anti-corrosion performance of the coating will be greatly reduced after a period of corrosion

Method used

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Examples

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Comparison scheme
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Embodiment Construction

[0015] The anticorrosion method for modified acrylic coated concrete proposed by the present invention will be further described in detail in conjunction with the examples.

[0016] Modified acrylic acid coating concrete anticorrosion method of the present invention, comprises the steps:

[0017] 1) Coating test: Alkali resistance test, chloride ion intrusion resistance test and adhesion test are carried out in sequence;

[0018] 2) Scaffold erection: set up a scaffold platform on the construction site;

[0019] 3) Concrete cleaning: first clean the concrete surface with a cleaning agent, and then rinse with water;

[0020] 4) Grinding of concrete: Use an angle grinder to grind and level the concrete surface and the protruding parts of the formwork joints, and then use a wire brush to clean and polish the wall surface;

[0021] 5) Concrete repair and leveling: Use concrete quick repair mortar to level the wall surface that is too low, potholes or honeycomb pitted surfaces, a...

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Abstract

The invention discloses a modified acrylic coating concrete anti-corrosion method, which comprises the following steps of coating test; scaffold erection; concrete cleaning; concrete grinding; concrete repair leveling; acrylic resin seal primer coating and brushing; acrylic resin finish paint coating and brushing; and maintenance. The modified acrylic coating concrete anti-corrosion method has the advantages that the spraying and coating is convenient and fast; the coating is compact and firm; acrylic resin seal primer and finish paint are used, so that a powerful protective barrier is formed on the concrete surface; water and carbon dioxide are effectively blocked; concrete aging and internal steel bar corrosion are effectively prevented; and the anti-corrosion performance of concrete is greatly improved.

Description

technical field [0001] The invention relates to the technical field of concrete anti-corrosion construction of roads and municipal engineering bridges, in particular to a method for anti-corrosion of modified acrylic-coated concrete for bridges in saline-alkali environments. Background technique [0002] Roads, municipal engineering bridges, etc. are often eroded by rain and air. The main manifestations are the corrosion of concrete, the rust of steel bars, and the reduction of strength, resulting in reduced life and even structural damage. Now concrete will be coated, but the wear resistance, Salt water resistance, durability, and weather resistance are not very good, and the anti-corrosion performance of the coating is greatly reduced after a period of corrosion. For this reason, the present invention proposes a modified acrylic coating concrete anticorrosion method that is convenient and quick to spray, dense and firm, has better impact strength, and effectively prevents ...

Claims

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Application Information

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IPC IPC(8): E04B1/64E04F13/02E01D22/00
Inventor 黄超肖来兵周如明
Owner CHINA MCC17 GRP
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