Modified aerated concrete block

An improved technology of air-entrained concrete, which is applied in the field of improved air-entrained concrete blocks, can solve problems such as performance gaps, and achieve the effects of improving earthquake resistance, improving construction efficiency, and sound insulation and sound absorption performance

Inactive Publication Date: 2017-11-24
HENGYANG HENGYU LIGHTWEIGHT INSULATION MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current formulas of various aerated concrete blocks are not the same, resulting in a gap in performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] An improved aerated concrete block, the raw material of the aerated concrete block includes the following components in parts by weight:

[0066] 250 parts of water;

[0067] 3 parts aluminum powder;

[0068] 60 parts of gypsum;

[0069] 80 parts of lime;

[0070] Tailing sand 150 parts;

[0071] 150 parts of silt;

[0072] 60 parts of fly ash;

[0073] 70 parts of cement;

[0074] 3 parts of additives;

[0075] 5 parts of soda ash;

[0076] The silica content of the tailings is more than 90wt%, and the silica content of the silt is more than 80wt%.

Embodiment 2

[0078] An improved aerated concrete block, the raw material of the aerated concrete block includes the following components in parts by weight:

[0079] 300 parts of water;

[0080] 5 parts of aluminum powder;

[0081] 70 parts of gypsum;

[0082] 85 parts of lime;

[0083] Tailing 170 parts;

[0084] 180 parts of silt;

[0085] 70 parts of fly ash;

[0086] 80 parts of cement;

[0087] 5 parts of additives;

[0088] 10 parts of soda ash;

[0089] Wherein the silica content of the tailings is more than 90wt%, and the silica content of the silt is more than 80wt%.

Embodiment 3

[0091] An improved aerated concrete block, the raw material of the aerated concrete block includes the following components in parts by weight:

[0092] 350 parts of water;

[0093] 8 parts of aluminum powder;

[0094] 80 parts of gypsum;

[0095] 90 parts of lime;

[0096] Tailing sand 200 parts;

[0097] Silt 200 parts;

[0098] 80 parts of fly ash;

[0099] 90 parts of cement;

[0100] 8 parts of additives;

[0101] 20 parts of soda ash;

[0102] Wherein the silica content of the tailings is more than 90wt%, and the silica content of the silt is more than 80wt%.

[0103] The beneficial effects of the present invention are:

[0104] 1. Light weight

[0105] The general weight of the air-entrained concrete block of the present invention is 500-700 kg / cubic meter, which is only equivalent to 1 / 4-1 / 3 of clay bricks and lime-sand bricks, and 1 / 5 of ordinary concrete. It is an aerated concrete block. The lighter type of concrete, suitable for infill walls in high-rise bu...

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Abstract

The invention discloses a modified aerated concrete block which is made from the following raw materials in parts by weight: 250-350 parts of water, 3-8 parts of aluminum powder, 60-80 parts of gypsum, 80-90 parts of lime, 150-200 parts of tailings, 150-200 parts of silt, 60-80 parts of coal ash, 70-90 parts of cement, 3-8 parts of additive and 5-20 parts of sodium carbonate, wherein the content of silicon dioxide in the tailings is above 98wt% and the content of silicon dioxide in the silt is above 80wt%.

Description

technical field [0001] The invention relates to an improved aerated concrete block. Background technique [0002] Air-entrained concrete block is a new type of building material that is lightweight, porous, thermal insulation, good fire resistance, nailable, sawable, planable, and has certain earthquake resistance. As early as the early 1930s, China began to produce this product and it was widely used. For example: Shanghai International Hotel, Shanghai Building, Fuzhou Building, People's Bank of China Building and other high-rise buildings. It is an excellent new building material and has the advantages of environmental protection. However, the formulations of various aerated concrete blocks are not the same at present, resulting in a gap in performance. Contents of the invention [0003] The object of the present invention is to provide an improved aerated concrete block with superior physical properties. [0004] The technical problem solved by the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/14
CPCC04B38/02C04B28/14C04B22/002C04B22/04C04B22/064C04B18/12C04B18/0436C04B18/08C04B7/00C04B2103/0068C04B22/10
Inventor 谭泽林
Owner HENGYANG HENGYU LIGHTWEIGHT INSULATION MATERIAL CO LTD
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