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A kind of foam concrete and preparation method thereof

A foamed concrete and foaming agent technology, applied in the field of building materials, can solve the problems of increasing process complexity, increasing research costs, and failing to meet the requirements of industrialization, and achieves low thermal conductivity, low bulk density, and low drying shrinkage. Effect

Active Publication Date: 2014-10-15
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] To sum up, there are many studies on the combination of straw fiber and cement cementitious material, but the cementitious material is still mainly Portland cement, so most of the research focus is on the treatment of straw fiber, which makes the research cost a lot. Improvement also increases the complexity of the process, which cannot meet the requirements of industrialization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] The present invention provides an improved foam concrete composition and a method of making the foam concrete.

[0028] The technology provided by the present invention will be further described in detail through the following examples, so as to better understand the content of the present invention, but the content of the examples does not limit the protection scope of the present invention.

[0029] The foam concrete components provided by the present invention include 35-50 parts of magnesium oxide, 15-20 parts of magnesium chloride, 16-24 parts of water, 16-22 parts of fly ash, 0.8-1.4 parts of phosphoric acid, 4.5-4 parts of styrene-acrylate emulsion 7 parts, 0.5-0.8 parts of NF superplasticizer, and 1-5 parts of straw fiber. A corresponding amount of foaming agent needs to be added to the above foam concrete composition, and the amount of foaming agent is 500-800L / m 3 . Among them, the bulk density of fly ash is ≤850kg / m 3 , the sieve allowance of fly ash 0.045...

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PUM

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Abstract

The invention provides foam concrete and a method for preparing the foam concrete. The foam concrete which is combined with straw has the advantages of high water resisting property, low volume weight, high strength, small coefficients of heat conductivity, low drying shrinkage and the like, has a series of excellent quality which is pursued by building materials, and meets the demands of modern buildings. In addition, brine blocks, the straw and pulverized fuel ash are renewable resources which are wide in application range and high in capacity, so that novel building wall materials which are developed by utilizing the brine blocks and the straw have the significant academic and social value.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a foam concrete and a method for preparing the foam concrete. Background technique [0002] The block made of straw and clay is one of the earliest wall building materials used by human beings. It has a series of excellent qualities pursued by modern building materials such as heat preservation, heat insulation, sound insulation, and fire prevention. Straw and clay are organically combined, blending and tangent to each other. Buildings constructed of such materials are warm in winter and cool in summer, quiet and comfortable. However, due to the low bonding performance of clay, poor strength and durability, such building materials cannot adapt and meet the needs of modern buildings. There are many kinds of modern building cementitious materials represented by Portland cement, which have high strength and good durability, but it is difficult to effectively combine them with stra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/32C04B38/00
Inventor 王路明
Owner YANCHENG INST OF TECH