Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Concrete crack repair material and preparation method and application method thereof

A technology for repairing cracks and concrete, which is applied in the field of building materials. It can solve problems such as inconsistency between repairing materials and concrete temperature deformation, no crack repairing materials, and inapplicability of small cracks, etc., to achieve excellent fluidity, improve various performances, and excellent water retention. performance effect

Active Publication Date: 2017-03-29
HUBEI UNIV OF TECH
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned crack repairing materials can bond well with the base material and have high strength, but the former is only suitable for repairing micro-cracks. For large cracks, it is very likely that the repairing materials will fall off due to the inconsistent temperature deformation of the concrete.
The latter is only suitable for cracks with a width greater than 5mm, and is not suitable for repairing small cracks. That is to say, so far, there is no crack repairing material with wide application and excellent performance.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Concrete crack repair material and preparation method and application method thereof
  • Concrete crack repair material and preparation method and application method thereof
  • Concrete crack repair material and preparation method and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] According to the technical scheme of the present invention, an adjustable concrete crack repair material prepared by a wet grinding process is prepared. In parts by weight, its components are 20 parts of waste glass, 30 parts of mineral powder, and 40 parts of Portland cement. 0.2 part of water reducing agent, 0.1 part of molasses, 0.05 part of triethanolamine, 0.02 part of warm wheel rubber, 0.1 part of azodicarbonamide, 0.03 part of defoamer, 8.5 part of polyacrylate emulsion, 1 part of dispersible latex powder, fine 0 parts of sand.

[0036] The invention also provides a method for preparing an adjustable concrete crack repair material prepared by a wet grinding process, which includes the following steps:

[0037] (1). Mix waste glass, mineral powder, Portland cement, water reducing agent, and molasses in proportions and place them in a wet mill with 25 parts of water for grinding for 15 minutes.

[0038] (2) Mix the slurry in step 1 with azodicarbonamide, warm wheel rubb...

Embodiment 2

[0043] According to the technical scheme of the present invention, an adjustable concrete crack repair material prepared by a wet grinding process is prepared. In parts by weight, its components are 20 parts of waste glass, 30 parts of mineral powder, and 40 parts of Portland cement. 0.25 parts of water reducing agent, 0.2 parts of molasses, 0.05 parts of triethanolamine, 0.02 parts of warm wheel rubber, 0.1 parts of azodicarbonamide, 0.25 parts of defoamer, 8.4 parts of polyacrylate emulsion, 1 part of dispersible latex powder, fine 22 parts of sand.

[0044] The invention also provides a method for preparing an adjustable concrete crack repair material prepared by a wet grinding process, which includes the following steps:

[0045] (1). Mix the waste glass, mineral powder, Portland cement, water reducing agent, and molasses in proportions and place them in a wet mill with 32 parts of water for grinding for 15 minutes.

[0046] (2) Mix the slurry in step 1 with azodicarbonamide, wa...

Embodiment 3

[0051] According to the technical scheme of the present invention, an adjustable concrete crack repair material prepared by a wet grinding process is prepared. In parts by weight, its components are 30 parts of waste glass, 20 parts of mineral powder, and 35 parts of Portland cement. 0.2 part of water reducing agent, 0.3 part of molasses, 0.1 part of triethanolamine, 0.2 part of warm wheel rubber, 0.4 part of azodicarbonamide, 0.05 part of defoamer, 10 parts of polyacrylate emulsion, 5 parts of dispersible latex powder, fine 40 parts of sand.

[0052] The invention also provides a method for preparing an adjustable concrete crack repair material prepared by a wet grinding process, which includes the following steps:

[0053] (1). Mix the waste glass, mineral powder, Portland cement, water reducing agent, and molasses in proportions and place in a wet mill with 30 parts of water for grinding for 15 minutes.

[0054] (2) Mix the slurry in step 1 with azodicarbonamide, warm wheel rubbe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention discloses a concrete crack repair material and a preparation method and an application method thereof, and solves the problems of properties to be improved and limited adaptive range of the existing concrete crack repair materials. The preparation method comprises the steps: mixing waste glass, mineral powder, portland cement, a water reducer and molasses according to proportions by weight, then putting the mixture into a wet mill and adding water for milling to prepare slurry; and adding triethanolamine, warm round glue, azobisformamide, a defoamer, a poly-propionate emulsion, dispersible latex powder and fine sand proportionally to the slurry and uniformly mixing the materials. The preparation method has a simple process, convenient control, low production cost and environmental friendliness, and the prepared concrete crack repair material has high strength, high liquidity, low bleeding rate, high cohesiveness and certain swelling property.

Description

Technical field [0001] The invention relates to the field of building materials, in particular to a concrete crack repair material, a preparation method and a use method thereof. Background technique [0002] Concrete is affected by internal and external factors and inevitably generates cracks. Cracks are the main reason for the decline in the bearing capacity, durability and impermeability of concrete structures. Once the building structure has cracks, it will cause a series of durability problems such as carbonization of concrete materials, corrosion of steel bars, and sulfate erosion in the later stage, and it will also seriously affect the appearance of the building. [0003] The repair of concrete cracks is mainly treated with repairing materials, and the repairing materials require high operability, and require good bonding performance with the concrete substrate, and must have high strength to ensure the concrete structure in the long service process Withstand the damage c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B111/72
CPCC04B28/04C04B2111/72C04B2201/50C04B14/22C04B18/12C04B24/38C04B24/122C04B24/129C04B24/26C04B14/06C04B24/24C04B2103/302C04B2103/50C04B2103/0057
Inventor 王迎斌贺行洋苏英王庭苇郑正旗叶青代飞孙艺恒兰蒙
Owner HUBEI UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com