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a foam concrete

A foamed concrete and foaming agent technology, applied in the field of foamed concrete, can solve the problems of shortening service life and affecting application, and achieve the effects of improving mechanical strength, improving mechanical properties, and reducing cracking and water absorption

Active Publication Date: 2017-12-12
JIANGSU ZHAOTONG ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the cracking of the surface of hardened foam concrete, it absorbs a large amount of external moisture, resulting in a reduction in service life and affecting its application.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Foam concrete of the present invention is made up of each component of following mass ratio, 36% cement mortar, 10% water, 3% polycarboxylate superplasticizer, 2% epoxy soybean oil, 2% alkylbenzene sulfonate, 4% calcium formate, 3% sodium methylsiliconate, 10% clay, 6% octamethyl polyhedral oligomeric silsesquioxane, 4% chopped E-glass fiber and 20% calcium carbonate.

Embodiment 2

[0020] Foam concrete of the present invention is made up of each component of following mass ratio, 46% cement mortar, 14% water, 2% polycarboxylate superplasticizer, 2% epoxy soybean oil, 3% alkyl ether sulfate, 3% % magnesium salt, 3% polyethylhydroxysiloxane, 7% clay, 2% octamethylpolyhedral oligomeric silsesquioxane, 2% chopped E-glass fiber and 6% limestone powder.

Embodiment 3

[0022] Foam concrete of the present invention is made up of each component of following mass ratio, 50% cement mortar, 6% water, 2% polycarboxylate superplasticizer, 2% epoxy soybean oil, 2% alkyl ether sulfonate, 4% magnesium salt, 4% polyethylhydroxysiloxane, 4% clay, 4% octamethylpolyhedral oligomeric silsesquioxane, 4% chopped E-glass fiber and 18% wood glue.

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PUM

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Abstract

The invention discloses foamed concrete. The foamed concrete is prepared from the following ingredients in percentage by mass: 25-60% of cement mortar, 5-15% of water, 1-3% of water reducing agent, 1-3% of plasticizer, 1-5% of foamer, 0.1-5% of inorganic salt, 0.5-5% of waterproofing agent, 1-10% of clay, 3-12% of admixture and 5-25% of adjuvants. The foamed concrete disclosed by the invention is mainly used for solving the problem of the current foamed concrete materials that the service life is relatively short due to cracking and water absorption; the plasticizer is epoxidized soybean oil, thereby being more green and environment-friendly; the adjuvants are substances with relatively small grain size, thereby having the advantages of filling gaps of the cement mortar and improving mechanical properties; and a variety of additives cooperate with one another, so that the foamed concrete with excellent crack resistance is obtained.

Description

technical field [0001] The invention relates to a building material, in particular to a foam concrete. Background technique [0002] Foamed concrete is a new type of concrete filling material developed in the past ten years. It fully foams the foaming agent mechanically through the foaming system of the foaming machine, and mixes the foam with cement slurry and other external materials in a certain amount. The ratio is fully and evenly mixed, and then cast-in-place construction is carried out through the pumping system of the foaming machine, and it is a light-weight filling material with a large number of closed pores formed by natural curing. Due to the advantages of light weight, adjustable strength, high flow, low elasticity and good shock absorption, foam concrete has good application prospects in traffic engineering, such as soft soil foundation treatment, backfilling of bridges (culverts) , thermal insulation of cold and frozen soil roadbed, anti-frost heaving and ro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/10C04B28/00C04B111/40
CPCC04B28/00C04B2111/40C04B24/26C04B24/08C04B38/10C04B24/04C04B24/42C04B14/10C04B14/42C04B22/10C04B22/08C04B14/28C04B24/307
Inventor 谷波王天梓汤亚威
Owner JIANGSU ZHAOTONG ENG TECH CO LTD