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Anti-cracking autoclaved aerated concrete building block and production method

A concrete block and autoclaved aeration technology, which is applied in the field of building materials, can solve the problems such as the need to strengthen the waterproof performance and the poor crack resistance, and achieve the effects of good heat preservation, increased stability and enhanced crack resistance.

Inactive Publication Date: 2019-12-10
HANGZHOU ZETONG ARCHITECTURE ENERGY SAVING NEW MATERIALS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to propose a crack-resistant autoclaved aerated concrete block and its production method in view of the defects of poor crack resistance and waterproof performance that exist in the prior art autoclaved aerated concrete block

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  • Anti-cracking autoclaved aerated concrete building block and production method

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Embodiment 1

[0037] The crack-resistant autoclaved aerated concrete block in this embodiment is composed of a block body and an anti-crack fiber cloth embedded in the block body. The block body is made of the following raw materials: raw materials include water and materials, According to parts by weight, water is 50 parts; according to parts by weight, the materials include 35 parts of quicklime, which is produced by Jiande Xin'an Jiang Yonghe Plastic Factory, and the state is powder; 25 parts of cement are made by Zhejiang Qianchao Holdings The composite Portland cement produced by the Group Co., Ltd. has a strength grade of 32.5; 15 parts of gypsum are gypsum powder produced by Jinan Runmeite Chemical Co., Ltd.; 15 parts of fly ash are produced by Shijiazhuang Chilin Mineral Products Co., Ltd. Fly ash; 3 parts of anti-cracking fiber, using basalt fiber, the length of the anti-cracking fiber is 15mm, the equivalent diameter is 35μm, the tensile strength is not less than 2169Mpa, and the f...

Embodiment 2

[0055] The crack-resistant autoclaved aerated concrete block in this embodiment is composed of a block body and an anti-crack fiber cloth embedded in the block body. The block body is made of the following raw materials: raw materials include water and materials , according to parts by weight, water is 55 parts; according to parts by weight, the material includes 33 parts of quicklime, which adopts the quicklime produced by Jiande Xin'an Jiang Yonghe Plastic Factory, and the state is powdery; 27 parts of cement, adopts Zhejiang Qianchao Composite Portland cement produced by Holding Group Co., Ltd., with a strength grade of 32.5; 13 parts of gypsum, gypsum powder produced by Jinan Runmeite Chemical Co., Ltd.; 18 parts of fly ash, produced by Shijiazhuang Chilin Mineral Products Co., Ltd. fly ash; 4 parts of anti-cracking fiber, using monofilament polypropylene fiber, the length of anti-cracking fiber is 20mm, the equivalent diameter is 50μm, the tensile strength is not less than...

Embodiment 3

[0059] The crack-resistant autoclaved aerated concrete block in this embodiment is composed of a block body and an anti-crack fiber cloth embedded in the block body. The block body is made of the following raw materials: raw materials include water and materials , according to parts by weight, water is 55 parts; according to parts by weight, the material includes 30 parts of quicklime, which adopts the quicklime produced by Jiande Xin'an Jiangyonghe Plastic Factory, and the state is powdery; 25 parts of cement, adopts Zhejiang Qianchao Composite Portland cement produced by Holding Group Co., Ltd., with a strength grade of 32.5; 11 parts of gypsum, gypsum powder produced by Jinan Runmeite Chemical Co., Ltd.; 16 parts of fly ash, produced by Shijiazhuang Chilin Mineral Products Co., Ltd. fly ash; 3.5 parts of anti-crack fiber, using monofilament polypropylene fiber, the length of the anti-crack fiber is 20mm, the equivalent diameter is 50μm, the tensile strength is not less than ...

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Abstract

The invention relates to an anti-cracking autoclaved aerated concrete building block and a production method. The building block is characterized by consisting of a building block main body and anti-cracking fiber cloth, wherein the anti-cracking fiber cloth is embedded into the building block main body; the building block main body is prepared from the following raw materials in parts by weight:50-60 parts of water, 30-35 parts of quick lime, 25-30 parts of cement, 10-15 parts of gypsum, 15-20 parts of coal ash, 6-8 parts of river sand, 2-3 parts of aluminum powder, 0.5-1 part of tea saponin, 3-4 parts of anti-cracking fiber and 0.5-1 part of a fiber anti-cracking waterproof agent. Compared with a conventional autoclaved aerated concrete building block, the anti-cracking autoclaved aerated concrete building block provided by the invention is mainly additionally provided with the anti-cracking fiber cloth, the anti-cracking fiber and the fiber anti-cracking waterproof agent, so that the ant9-cracking property and the water resistance and freezing resistance of the building block can be improved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a crack-resistant autoclaved aerated concrete block and a production method thereof. Background technique [0002] Autoclaved aerated concrete block is a kind of concrete product made by a series of special processes with lime, fly ash, cement, gypsum, etc. as the main raw materials, adding appropriate amount of additives. It is a new type of building material that is lightweight, porous, heat-insulating, fire-resistant, and has a certain degree of earthquake resistance. With the improvement of our country's requirements for green buildings, this new type of building material with excellent performance has been widely used in external filling walls and non-load-bearing internal partition walls of various types of buildings. [0003] The Chinese Patent No. CN109320283A discloses a method for preparing a fly ash autoclaved aerated concrete block, which is ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10C04B38/02C04B40/02C04B111/20C04B111/27C04B111/34C04B111/40
CPCC04B28/10C04B2111/20C04B2111/27C04B2111/343C04B2111/40C04B2201/50C04B7/00C04B22/143C04B18/08C04B14/06C04B14/42C04B22/04C04B24/08C04B2103/65C04B38/02C04B40/0245
Inventor 张国标张小敏
Owner HANGZHOU ZETONG ARCHITECTURE ENERGY SAVING NEW MATERIALS CO LTD
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