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Autoclaved aerated concrete plate produced by using Yellow River sand, and production method thereof

An autoclaved aerated, concrete slab technology, applied in the field of building wall materials, can solve the problems of no major advantages, low product added value, affecting the enthusiasm for sand control with sand, etc., and achieves high rigidity, low cost, and improved construction. The effect of efficiency

Active Publication Date: 2015-07-22
HENAN XIAN NEW BUILDING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the low added value of the product, there is no great advantage in market competition, which to some extent affects people's enthusiasm for using sand to control sand

Method used

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  • Autoclaved aerated concrete plate produced by using Yellow River sand, and production method thereof
  • Autoclaved aerated concrete plate produced by using Yellow River sand, and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] An autoclaved aerated concrete slab prepared from Yellow River sand, the weight ratio of the base material components of the concrete slab body is: 2450 kg of Yellow River sand, 480 kg of cement, 420 kg of quicklime, 100 kg of slaked lime, 47kg of desulfurized gypsum, 50 kg of magnesite, 4.5 kg of aluminum powder paste, and 0.08 kg of acacia powder. SiO in the Yellow River sand 2 The content is between 60~75%, the organic matter is not higher than 2.5%, and the mud content is not higher than 2.0%. The cement is P.O 42.5 cement; the aluminum powder paste is a water-based aluminum powder paste. The concrete slab also includes a reinforcement mesh, and the reinforcement mesh is composed of upper and lower layers of reinforcement mesh sheets and steel bars connecting the upper and lower layers of mesh sheets; the specifications of the reinforcement bars are HPB235, φ5~φ6 mm.

[0032] The above-mentioned preparation method of the autoclaved aerated concrete slab prepared b...

Embodiment 2

[0041] An autoclaved aerated concrete slab prepared from Yellow River sand, the weight ratio of the base material components of the concrete slab body is: 3300 kg of Yellow River sand, 500 kg of cement, 600 kg of quicklime, 120 kg of slaked lime, 50 kg of desulfurized gypsum, 50 kg of magnesite, 4.0 kg of aluminum powder paste, and 0.10 kg of tea saponin. SiO in the Yellow River sand 2 The content is between 60~75%, the organic matter is not higher than 2.5%, and the mud content is not higher than 2.0%. The cement is P.O 42.5 cement; the aluminum powder paste is a water-based aluminum powder paste. The concrete slab also includes a reinforcement mesh, and the reinforcement mesh is composed of upper and lower layers of reinforcement mesh sheets and steel bars connecting the upper and lower layers of mesh sheets; the specifications of the reinforcement bars are HPB235, φ5~φ6 mm.

[0042] The above-mentioned preparation method of the autoclaved aerated concrete slab prepared by...

Embodiment 3

[0051] An autoclaved aerated concrete slab prepared from Yellow River sand, the weight ratio of the base material components of the concrete slab body is: 3500 kg of Yellow River sand, 700 kg of cement, 620 kg of quicklime, 30 kg of slaked lime, 42 kg of desulfurized gypsum, 37 kg of magnesite, 4.0 kg of aluminum powder paste, and 0.05 kg of pull-off powder. SiO in the Yellow River sand 2 The content is between 60~75%, the organic matter is not higher than 2.5%, and the mud content is not higher than 2.0%. The cement is P.O 42.5 cement; the aluminum powder paste is a water-based aluminum powder paste. The concrete slab also includes a reinforcement mesh, and the reinforcement mesh is composed of upper and lower layers of reinforcement mesh sheets and steel bars connecting the upper and lower layers of mesh sheets; the specifications of the reinforcement bars are HPB235, φ5~φ6 mm.

[0052] For the preparation method of the above-mentioned autoclaved aerated concrete slab prep...

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Abstract

The present invention relates to an autoclaved aerated concrete plate produced by using Yellow River sand. The base material components of the concrete plate billet comprise 2450-3500 kg of Yellow River sand, 480-700 kg of cement, 420-620 kg of quick lime, 30-120 kg of slaked lime, 42-50 kg of desulfurized gypsum, 37-50 kg of magnesite, 4.0-4.5 kg of aluminum powder paste, and 0.05-0.1 kg of a foam stabilizer. According to the present invention, the Yellow River sand is adopted to replace the ordinary natural sand so as to be adopted as the siliceous material, and the prepared ALC plate has characteristics of high compressive strength, high stiffness, low deflection value, high bonding strength between the billet and the steel bar, good flatness, substantially-improved construction efficiency, project cost reduction, and broad market prospects.

Description

technical field [0001] The invention belongs to the technical field of building wall materials, and in particular relates to an autoclaved aerated concrete slab prepared by using sand from the Yellow River and a preparation method thereof. Background technique [0002] With the in-depth implementation of building energy-saving policies, autoclaved aerated concrete has increasingly become the first choice for building wall filling materials due to its unique properties such as light weight, high strength, thermal insulation, and fire resistance. Since my country built the first autoclaved aerated concrete plant in 1965, after more than 40 years of development, it has become the country with the most extensive application and the most mature technology. Compared with traditional bricks, aerated concrete blocks have greatly improved the construction speed and quality. In developed countries such as the United States, Japan, and Europe, aerated concrete panels, as a symbol of b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B14/06C04B38/02E04C2/06
Inventor 司政凯邓小成董恒瑞荣爱琴曹林方王安会王海标
Owner HENAN XIAN NEW BUILDING MATERIALS
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