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Concrete additive and concrete thereof

A concrete and additive technology, applied in the field of concrete, can solve problems such as single function and poor concrete maintenance effect, and achieve the effect of simple production process, low cost and good crack resistance

Inactive Publication Date: 2015-12-23
广西路佳道桥勘察设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to add a protective agent to the concrete to protect the concrete. The existing concrete additives have the technical shortcomings of single function and poor maintenance effect on concrete.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A concrete additive, comprising the following raw materials in parts by weight: 5 parts of bentonite, 9 parts of silicon dioxide powder, 5 parts of polypropylene fiber, 8 parts of calcium powder, 2 parts of calcium lignosulfonate powder, and 9 parts of dispersible latex powder , 5 parts of acrylic acid emulsions, wherein, the bentonite is sodium-based bentonite, the silica powder is nano-silica powder, the polypropylene fiber is monofilament polypropylene, and the film-forming temperature of the dispersible latex powder is ≥0°C.

[0022] A concrete, comprising the above-mentioned concrete additive, the quality of the concrete additive is 5wt% of the concrete mass.

Embodiment 2

[0024] A concrete additive, comprising the following raw materials in parts by weight: 10 parts of bentonite, 5 parts of silicon dioxide powder, 10 parts of polypropylene fiber, 5 parts of calcium powder, 5 parts of calcium lignosulfonate powder, and 5 parts of dispersible latex powder 10 parts of acrylic acid emulsion, wherein, the bentonite is sodium bentonite, the silica powder is nano silica powder, the polypropylene fiber is monofilament polypropylene, and the film-forming temperature of the dispersible latex powder is ≥0°C.

[0025] A concrete, comprising the above-mentioned concrete additive, the quality of the concrete additive is 7wt% of the concrete mass.

Embodiment 3

[0027] A concrete additive, comprising the following raw materials in parts by weight: 15 parts of bentonite, 1 part of silicon dioxide powder, 15 parts of polypropylene fiber, 2 parts of calcium powder, 8 parts of calcium lignosulfonate powder, and 1 part of dispersible latex powder 15 parts of acrylic acid emulsion, wherein, the bentonite is sodium bentonite, the silica powder is nano silica powder, the polypropylene fiber is monofilament polypropylene, and the film-forming temperature of the dispersible latex powder is ≥0°C.

[0028] A concrete, comprising the above-mentioned concrete additive, the quality of the concrete additive is 10wt% of the concrete mass.

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PUM

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Abstract

The invention discloses a concrete additive and concrete thereof, belonging to the technical field of concrete. The concrete additive comprises the following raw materials by weight: 5 to 15 parts of bentonite, 1 to 9 parts of silicon dioxide powder, 5 to 15 parts of polypropylene fiber, 2 to 8 parts of calcium powder, 2 to 8 parts of calcium lignosulphonate powder, 1 to 9 parts of dispersion emulsion powder and 5 to 15 parts of an acrylic emulsion. The concrete additive provided by the invention can improve toughness, compressive strength and service life of the concrete; and the concrete prepared by using the concrete additive in the invention has the advantages of good tensile, flexural and anticracking performances, low price, simple production process, low cost, and applicability to large-scale production.

Description

technical field [0001] The invention relates to a concrete additive and concrete thereof, belonging to the technical field of concrete. Background technique [0002] Concrete, referred to as "concrete" for short, usually refers to using cement as the cementitious material, sand and stone as the aggregate, mixed with water in a certain proportion, and mixed. Concrete has the characteristics of rich raw materials, low price and simple production process, which makes it widely used. It is not only used in various civil engineering, but also in shipbuilding, machinery industry, marine development, geothermal engineering, etc. Concrete is also an important material . [0003] In practical engineering applications, concrete is often exposed to various harsh environments, such as the intrusion of corrosive media around the environment, changes in ambient temperature and humidity, freeze-thaw cycle damage, and some concrete projects are often subject to heavy load wear, etc. These ...

Claims

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Application Information

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IPC IPC(8): C04B24/18C04B24/24C04B24/26C04B16/06C04B14/10C04B14/06
Inventor 叶飚
Owner 广西路佳道桥勘察设计有限公司
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