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Grouting material for concrete reinforcement

A technology of concrete reinforcement and grouting materials, which is applied in the field of building structure reinforcement, can solve problems such as cracking and swelling of grouting materials, and achieve the effects of improving cohesiveness, tensile strength, and stable strength

Inactive Publication Date: 2019-05-03
淄博三基建筑工程材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a concrete reinforcement grouting material that can solve the problem of cracking and swelling of traditional grouting materials

Method used

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  • Grouting material for concrete reinforcement
  • Grouting material for concrete reinforcement
  • Grouting material for concrete reinforcement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A concrete reinforcement grouting material, comprising the following raw materials in parts by weight: ordinary portland cement 600kg, sulphoaluminate cement 80kg, quartz sand 1000kg, expansion agent 0.3kg, water reducing agent 3kg, defoamer 1kg, cellulose Ether 1kg, redispersible latex powder 4kg, polypropylene short fiber 0.8kg, silicon micropowder 40kg.

[0030] The preparation method of the concrete reinforcement grouting material is as follows: mixing and stirring each raw material evenly.

[0031] The application of the concrete reinforcement grouting material in self-leveling ground repair: the concrete reinforcement grouting material is mixed with water and stirred evenly, and the reinforcement grouting material is obtained for use; the surface of the concrete that needs to be repaired and reinforced is chiseled, and the broken sand and dust are cleaned , and then sprinkle water on its surface. After the surface is dry, apply a layer of styrene-acrylic emulsion ...

Embodiment 2

[0033] A concrete reinforcement grouting material, comprising the following raw materials in parts by weight: 800kg of ordinary portland cement, 100kg of sulphoaluminate cement, 1100kg of quartz sand, 0.5kg of CSA expansion agent, 3.5kg of polycarboxylate water reducer, P803 Foaming agent 1.5kg, cellulose ether 1.3kg, redispersible latex powder 5kg, polypropylene short fiber 1.1kg, silicon micropowder 50kg.

[0034] The preparation method of the concrete reinforcement grouting material is as follows: mixing and stirring each raw material evenly.

[0035] Application of the concrete reinforcement grouting material in self-leveling ground repair: mix and stir the concrete reinforcement grouting material with a weight ratio of 100:16 and water evenly to obtain a reinforcement grouting material for use; chiseling the surface of the concrete that needs to be repaired and reinforced Treatment, clean up the crushed sand and dust, and then sprinkle water on the surface. After the surf...

Embodiment 3

[0037] A concrete reinforcement grouting material, comprising the following raw materials in parts by weight: 800kg of ordinary Portland cement, 110kg of sulphoaluminate cement, 1150kg of quartz sand, 0.4kg of CSA expansion agent, 3kg of polycarboxylate water reducer, and P803 defoaming agent Agent 1.6kg, cellulose ether 1.2kg, redispersible latex powder 5.3kg, polypropylene short fiber 1.1kg, silicon micropowder 55kg.

[0038] The preparation method of the concrete reinforcement grouting material is as follows: mixing and stirring each raw material evenly.

[0039] Application of the concrete reinforcement grouting material in self-leveling ground repair: mix and stir the concrete reinforcement grouting material with a weight ratio of 100:18 and water evenly to obtain a reinforcement grouting material for use; chiseling the surface of the concrete that needs to be repaired and reinforced Treatment, clean up the crushed sand and dust, and then sprinkle water on the surface. Af...

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Abstract

The invention discloses a grouting material for concrete reinforcement. The grouting material for concrete reinforcement comprises the following raw materials: ordinary portland cement, sulphoaluminate cement, quartz sand, a swelling agent, a water reducing agent, an antifoaming agent, cellulose ether, a dispersible emulsion powder, polypropylene staple fiber and silicon micropowder. The groutingmaterial provided by the invention has the following beneficial effects: through addition of the dispersible emulsion powder and the cellulose ether in the grouting material for concrete reinforcement, the bonding degree, flexural strength and toughness of the grouting material are improved; through addition of the polypropylene staple fiber, tensile strength of the grouting material is improved;through organic mixing of all raw materials of the grouting material for concrete reinforcement, the problems of cracking and bulging for a conventional grouting material are effectively solved; meanwhile, when in use, the grouting material for concrete reinforcement has the advantages of high strength, good stability and fluidity, no cracking and no bulging, and can exert good reinforcement effect on a concrete structure.

Description

technical field [0001] The invention relates to the technical field of building structure reinforcement, in particular to a concrete reinforcement grouting material. Background technique [0002] The grouting material is made of high-strength materials as aggregates, cement as a binder, and supplemented with high-fluidity, micro-expansion, anti-segregation and other substances. Add a certain amount of water at the construction site and mix well before using. The grouting material has the characteristics of good self-flow, fast hardening, early strength, high strength, no shrinkage, slight expansion, non-toxic, harmless, non-aging, no pollution to water quality and surrounding environment, good self-tightness, and rust resistance. [0003] During the long-term use of concrete buildings, there will be different degrees of damage, but most concrete buildings can still be used after reinforcement and repair, thus exerting huge economic benefits. Repair and reinforcement are of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/06C04B111/70C04B111/72
Inventor 王俊峰
Owner 淄博三基建筑工程材料有限公司
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