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Foam concrete and preparation method thereof

A technology of foam concrete and foaming additives, which is applied in the field of building materials, can solve problems such as wall panel cracking, large drying shrinkage, and quality impact, and achieve the effects of increasing toughness, strong water resistance, and increasing structural stability

Inactive Publication Date: 2018-07-24
佛山杰致信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a foamed concrete and its preparation method for the large dry shrinkage of the foamed concrete, which easily causes cracking of the wallboard and seriously affects its quality.

Method used

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  • Foam concrete and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0035] Step 1: Prepare anti-cracking fiber expansion agent

[0036] (1) Select the straw, pulverize it and put it into the carbonization machine for carbonization to carbonize the straw;

[0037] (2) In terms of parts by weight, 10 parts of calcium aluminate clinker, 10 parts of carbonized straw, 1 part of magnesium oxide, 1 part of calcium oxide, 4 parts of basalt fiber and 3 parts of waste rock wool were selected respectively, and added to the pulverizer for crushing , After being crushed, an anti-cracking fiber expansion agent is obtained.

[0038] Step 2: Ratio of foam concrete raw materials

[0039] In parts by weight, 70 parts of cement, 3 parts of perlite, 8 parts of attapulgite, 5 parts of anti-cracking fiber expansion agent, 3 parts of light calcium carbonate, 5 parts of activated sludge, 4 parts of natural latex, 0.1 parts of Part of foaming aid, 1 part of surfactant, 0.3 part of foam stabilizer and 30 parts of water.

[0040] The foaming aid is a mixture of azodi...

example 2

[0047] Step 1: Prepare anti-cracking fiber expansion agent

[0048] (1) Select the straw, pulverize it and put it into the carbonization machine for carbonization to carbonize the straw;

[0049] (2) In terms of parts by weight, respectively select 13 parts of calcium aluminate clinker, 13 parts of carbonized straw, 2 parts of magnesium oxide, 2 parts of calcium oxide, 5 parts of basalt fiber and 4 parts of waste rock wool, and add them to a pulverizer for pulverization. After being pulverized, an anti-cracking fiber expansion agent is obtained.

[0050]Step 2: Ratio of foam concrete raw materials

[0051] In parts by weight, 80 parts of cement, 4 parts of perlite, 9 parts of attapulgite, 6 parts of anti-cracking fiber expansion agent, 4 parts of light calcium carbonate, 7 parts of activated sludge, 5 parts of natural latex, 0.2 parts of Part foaming aid, 2 parts surfactant, 0.4 part foam stabilizer and 33 parts water.

[0052] The foaming aid is a mixture of azodicarbonami...

example 3

[0059] Step 1: Prepare anti-cracking fiber expansion agent

[0060] (1) Select the straw, pulverize it and put it into the carbonization machine for carbonization to carbonize the straw;

[0061] (2) In terms of parts by weight, respectively select 15 parts of calcium aluminate clinker, 15 parts of carbonized straw, 1 part of magnesium oxide, 1 part of calcium oxide, 4 parts of basalt fiber and 3 parts of waste rock wool, and add them to the pulverizer for crushing , After being crushed, an anti-cracking fiber expansion agent is obtained.

[0062] Step 2: Ratio of foam concrete raw materials

[0063] In parts by weight, 90 parts of cement, 5 parts of perlite, 10 parts of attapulgite, 5 parts of anti-cracking fiber expansion agent, 3 parts of light calcium carbonate, 5 parts of activated sludge, 4 parts of natural latex, 0.1 parts of activated sludge were selected respectively. Part of foaming aid, 1 part of surfactant, 0.3 part of foam stabilizer and 30 parts of water.

[0...

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Abstract

The invention belongs to the field of building materials, and particularly relates to foam concrete and a preparation method thereof. The foam concrete is prepared from the following raw material components in parts by weight: 70-90 parts of cement, 3-5 parts of perlite, 8-10 parts of attapulgite, 5-8 parts of anti-cracking fiber expansion agent, 3-5 parts of light calcium carbonate, 5-10 parts ofactivated sludge, 4-6 parts of natural latex, 0.1-0.3 part of foaming aid, 1-3 parts of surfactant, 0.3-0.5 part of a foam stabilizer and 30-35 parts of water. The foam concrete prepared according tothe preparation method is high in volume stability, does not crack in setting and hardening, is high in water resistance and low in heat conductivity coefficient, realizes integration of light weight, high strength, heat insulation and fire protection, and belongs to an environment-friendly heat-insulated energy-saving material.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a foam concrete and a preparation method thereof. Background technique [0002] With the vigorous implementation of my country's building energy-saving policy, the materials used in modern buildings are required to have properties such as light weight, high strength, heat preservation, heat insulation, waste utilization, and energy saving. Foamed concrete, as a new type of building material, possesses the above-mentioned properties and is widely used in modern construction projects. [0003] At present, lightweight aggregate concrete has been widely used in industrial and civil buildings and other projects to reduce the weight of structures, improve the seismic performance of structures, save material consumption, improve the efficiency of component transportation and hoisting, reduce foundation loads and improve building functions (insulation insulation) heat insul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B38/02C04B22/06C04B14/46C04B18/04C04B14/02C04B22/00C04B111/40
CPCY02W30/91C04B28/00C04B40/0039C04B2111/40C04B2201/32C04B2201/50C04B14/18C04B14/102C04B14/28C04B24/34C04B18/0418C04B24/126C04B24/129C04B38/02C04B2103/48C04B2103/40C04B14/022C04B22/0093C04B22/066C04B22/064C04B14/4656C04B18/04C04B38/0074
Inventor 王玉环
Owner 佛山杰致信息科技有限公司
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