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Dedicated mortar for steaming and pressing fly ash brick and aerated concrete building block

A technology of autoclaved fly ash bricks and aerated concrete blocks, which is applied in the field of special mortar, and can solve problems such as plastering layer falling off, wall cracking, affecting the promotion of new wall materials and the quality of construction projects, and improving water retention Sexuality, solving cracks, and preventing wall leakage

Inactive Publication Date: 2005-11-23
牟同升
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The aerated concrete blocks and autoclaved fly ash bricks that are often used in the construction industry are still built and plastered with traditional cement mortar because there is no special mortar with low price and superior performance, which leads to cracking of the wall and plastering. The cracking or even falling off of the hollow layer occurs from time to time, which seriously affects the promotion of new wall materials and the quality of construction projects

Method used

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  • Dedicated mortar for steaming and pressing fly ash brick and aerated concrete building block

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Embodiment Construction

[0010] Embodiments of the present invention are described below:

[0011] Embodiments of the present invention include gypsum, Portland cement, fly ash, fly ash activator, water-retaining thickener, redispersible rubber powder, and crack-resistant fiber; the quantity ratio is 30% of gypsum, silicate 15% of cement, 45% of fly ash, 0.1% of water-retaining thickener, 2% of redispersible rubber powder, and 0.1% of crack-resistant fiber, of which the fly ash activator is 2% of the total amount of fly ash.

[0012] The production process is as follows: ① raw material preparation - prepare gypsum powder, fly ash, cement, powdery dry material; Agent--prepare the quantity of fly ash activator, water-retaining thickener, redispersible rubber powder, and crack-resistant fiber according to the ratio requirements; ④ dry mix--the prepared gypsum powder, fly ash, cement, Fly ash activator, water-retaining thickener, redispersible rubber powder, and crack-resistant fiber are sent to the cant...

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Abstract

Disclosed is a dedicated mortar for steaming and pressing fly ash brick and aerated concrete building block which comprises gypsum 30-40%, comprising silicate cement 15-25%, coal ash 45-55%, water-retaining and thickening agent 0.1-0.4%, redispersable rubber powder 2-4%, crack resistant fiber 0.1-15%, wherein the content of the coal ash exciting agent is 2-4% of the total coal ash amount.

Description

technical field [0001] The invention belongs to the technical field of building materials, in particular to a special mortar. Background technique [0002] The aerated concrete blocks and autoclaved fly ash bricks that are often used in the construction industry are still built and plastered with traditional cement mortar because there is no special mortar with low price and superior performance, which leads to cracking of the wall and plastering. The phenomenon of cracking or even falling off of the hollow layer occurs from time to time, which seriously affects the promotion of new wall materials and the quality of construction projects. Contents of the invention [0003] The purpose of this invention is to provide a new type of special mortar for autoclaved fly ash bricks and aerated concrete blocks, thereby reducing costs, making the material of the adhesive mortar similar to that of aerated fly ash blocks, synchronizing shrinkage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/08
CPCY02W30/91
Inventor 牟同升
Owner 牟同升
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