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Geopolymer fiber reinforced concrete and preparation method thereof

A geopolymer and reinforced concrete technology, applied in the field of building materials, can solve the problems of reducing natural sand and gravel mining, achieve the effects of reducing environmental damage and pollution, reducing production energy consumption, and excellent corrosion resistance

Inactive Publication Date: 2015-10-14
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The applicant has conducted in-depth research on the replacement and improvement of concrete for many years, and was pleasantly surprised to find that the combination of geopolymers with specific compositions and recycled aggregates as concrete materials can not only reduce the mining of natural sand and gravel, but also reduce the cost of cement production. At the same time, the obtained product has stable performance and high physical and chemical specifications, which can meet the needs of engineering construction

Method used

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  • Geopolymer fiber reinforced concrete and preparation method thereof
  • Geopolymer fiber reinforced concrete and preparation method thereof
  • Geopolymer fiber reinforced concrete and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: the dosage of each component is shown in Table 1 below

[0035] Table 1: Mix ratio of carbon fiber geopolymer recycled concrete

[0036]

Embodiment 2

[0037] Embodiment 2: the dosage of each component is shown in Table 2 below

[0038] Table 2: Mix ratio of carbon fiber geopolymer recycled concrete

[0039]

Embodiment 3

[0040] Embodiment 3: the dosage of each component is shown in Table 3 below

[0041] Table 3: Mix ratio of carbon fiber geopolymer recycled concrete

[0042]

[0043]The applicant has tested the performance of the product obtained in the above examples, and its performance indicators all meet the requirements of the national standards for concrete performance indicators in the relevant construction industry, and its performance is not lower than that of cement and sand and gravel as the main components on the market. traditional concrete. Specific experiments have shown that its 28-day compressive strength is not less than 200MPa, the tension-compression ratio is not less than 0.09, and its fracture performance and flexural toughness are significantly higher than those of traditional cement concrete.

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Abstract

The invention discloses a geopolymer fiber reinforced concrete. The geopolymer fiber reinforced concrete comprises the following components: geopolymer, recycled concrete aggregate and carbon fiber, wherein the geopolymer is a cementing material prepared from fly ash, slag, spontaneously combusting gangue and alkaline activator. According to the invention, industrial waste resources are made full use of; environmental destroy and pollution are reduced; production cost for the geopolymer fiber reinforced concrete is reduced; and the geopolymer fiber reinforced concrete has superior physical and chemical performances.

Description

technical field [0001] The invention relates to concrete, in particular to geopolymer fiber reinforced concrete, which belongs to the field of building materials. Background technique [0002] Concrete raw materials are widely used in industrial, civil and military engineering construction due to the convenience of raw materials, low price, and good modelability. As a result, the demand for concrete at home and abroad continues to increase, which also leads to concrete raw materials—— The demand for sand and cement is increasing day by day. [0003] As we all know, the large-scale mining of natural sand and gravel has caused damage to the ecological environment, and the dust and smoke emissions in the cement production process will also pollute the environment. As countries impose stricter restrictions on pollutant emissions, the environmental cost of cement production will become higher and higher. The continuously rising environmental cost forces large industrial enterpri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/26C04B18/16
CPCY02P40/10Y02W30/91
Inventor 刘长江阳小燕吴玉友郑霞曾宇星祁勇敖仪斌杨少朋青云杰
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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