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Concrete surface sealant and construction method

A concrete surface and sealant technology, which is applied to building components, building insulation materials, etc., can solve problems such as low durability, concrete spalling, and steel bar corrosion, and achieve good stability, simple construction methods, and good affinity.

Inactive Publication Date: 2010-06-23
张天宝 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the concrete base is repaired or treated with water-based micro-silicon sealing material, the water-based concrete surface sealing material of the present invention is used to seal the concrete surface, so as to solve the problems of low durability, steel bar corrosion, and concrete spalling during the current use of concrete

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1. Fully polish the concrete surface that has mold spots and carbonization, so that the new concrete surface is completely exposed;

[0028] 2. Chisel out the old concrete where the concrete cracks and concrete collapsed, and use high-grade mortar to repair and maintain it.

[0029] 3. Spray the concrete deep sealant (DPS) twice (24 hours apart);

[0030] 4. After 7 days of maintenance, the color difference to be repaired will be basically eliminated;

[0031] 5. Clean the base surface, and after the base surface is dry, spray the concrete surface sealer (TS) once;

[0032] 6. The finished product can be cured for three days.

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Abstract

The invention discloses a concrete surface sealant and a construction method. The concrete surface sealant is composed of nano TiO2, isobutyl triethoxy silicane, pure water and trace active catalyst. The invention is characterized in that trace active catalyst is doped to disperse nano TiO2 and isobutyl triethoxy silicane in pure water into colloid material, dirt resistance and antibiotic property of the surface of concrete are reinforced under action of nano TiO2, and a protective film of certain thickness is formed on the surface of concrete under action of isobutyl triethoxy silicane to perform continuous protection to the concrete. The characteristics of the construction method of the concrete surface sealant lie in clearing and repairing concrete substrate, washing, drying, spray-painting or roll- and brush-painting the protective material. The protective material has no toxicity, or pollution, or harm to human body, is convenient to construct and easy to popularize in actual projects.

Description

technical field [0001] The invention belongs to the field of concrete protection, in particular to a concrete surface protection material and a construction method for improving the durability of concrete. technical background [0002] At present, the durability of concrete is a matter of great concern for large-scale civil engineering projects at home and abroad. According to survey data, many buildings, bridges, roads, dams and other projects have concrete carbonization, steel bar corrosion, and even concrete cracking and spalling during the operation process. Many projects adopt the method of paint coating on the outer surface of concrete to enhance the durability of concrete. However, the protective effect is still not ideal because the overflow of free alkali inside the concrete causes great damage to the paint. [0003] Therefore, it becomes a realistic need to propose a protective material and protective method that can continuously protect concrete and enhance its d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/65E04B1/66
Inventor 张天宝程晔
Owner 张天宝
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