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Autoclaved aerated concrete double-hard-face building block and manufacturing and construction method thereof

A technology of autoclaved aeration and concrete, which is applied in the direction of manufacturing tools, building materials, ceramic molding machines, etc., can solve the problems of easy collapse failure, low density, insufficient durability, etc., to achieve enhanced masonry strength, low transformation investment, The effect of high economic value

Active Publication Date: 2015-06-10
FUZHOU NO 1 CONSTR ENG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, with a small impact external force, pits will appear on the inner wall; steel nails are nailed on the surface of the wall, and a certain weight of attachments is hung on the nails. The place where the nails are nailed is prone to collapse and failure, which brings difficulties to house decoration and installation. , the use of the wall is greatly restricted
[0003] Composite wall components can be made by pasting and mechanical connection methods. However, the durability of this "composite" component is still insufficient, and the process is complicated, and the economic index of forming the wall is low.
[0004] At present, the production technology of autoclaved aerated concrete products cannot produce products with low density in the inner core and high density in the outer layer; overcoming the technical bottleneck of the existing production process is a subject to be solved

Method used

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  • Autoclaved aerated concrete double-hard-face building block and manufacturing and construction method thereof
  • Autoclaved aerated concrete double-hard-face building block and manufacturing and construction method thereof
  • Autoclaved aerated concrete double-hard-face building block and manufacturing and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1, with reference to attached figure 1 , 2 : Autoclaved aerated concrete double-hard surface block is used for the inner wall of a house with a large depth, and belongs to the wall that bears the pressure load and impact load of the vertical wall. The size of the autoclaved aerated concrete double-hard surface block is length×width×height=600×240×300 mm, and the thickness of the hard surface area 2 is 30 mm. The block base area 1 has a thickness of 180 mm, the block base area 1 is autoclaved aerated concrete with a density of 300KG / M3, and the hard surface area 2 is 800KG / M 3 In the autoclaved aerated concrete, there is a tie bar 3 at the critical point between the block base area 1 and the hard surface area 2, and the tie bar 3 is a flat open iron piece. Before the cutting process is completed and the autoclaved curing is completed, the tie bar 3 The end face of the semi-finished block is inserted between the block base area 1 and the hard surface area 2 a...

Embodiment 2

[0059] The size of the autoclaved aerated concrete double hard surface block is length × width × height = 600 × 300 × 300 mm, the thickness of the hard surface area 2 is 50 mm, and the block base area 1 is autoclaved with a density of 350KG / M3 Air-entrained concrete, the hard surface zone 2 has a density of 800KG / M 3 autoclaved aerated concrete.

[0060] Design the partition assembly 11 that separates the mold into two casting areas, refer to the attached image 3 , 4 , Utilize horizontal positioning bar 10, vertical positioning bar 16 to arrange partition assembly 11 in the mould, and partition assembly 11 divides mold into block base layer cultivation area 14 and hard surface cultivation area 15; The width of base layer cultivation area 14 is 200 millimeters, The width of the hard surface layer breeding area 15 is 100 mm, and the embryo body cutting and separation line is located at the centerline of the width of the hard surface layer growing area 15;

[0061] All the ot...

Embodiment 3

[0063] Refer to attached Figure 7 : The construction of butt-joint end faces of autoclaved aerated concrete double-hard-faced blocks to strengthen the connection.

[0064] Autoclaved aerated concrete double-hard surface blocks are used for the top floor of the indoor counter. In addition to the bonding of the masonry joints, the rigidity between the blocks needs to be strengthened. The overall size of the lightweight cement-based hard surface layer block is length × width × height = 600 × 300 × 300 mm, and a connecting plug-in 4 is inserted into the opening of the tie bar 3. Through the connecting plug-in 4, the adjacent two Blocks are plugged together, and high-strength cement paste is applied before plugging, so that the shear resistance of the end face joints of the blocks can fully meet the requirements of the specification.

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Abstract

The invention discloses an autoclaved aerated concrete double-hard-face building block and a manufacturing and construction method thereof and belongs to the technical field of building energy conversation. The autoclaved aerated concrete double-hard-face building block comprises three layer areas which are naturally formed in the same pouring process. The building block is characterized in that the three layer areas of the building block are a hard face area (2), a base area (1) and a hard face area (2) in sequence; the base area (1) is made of autoclaved aerated concrete the density of which is 200KG / M<3> to 400KG / M<3>; the hard face areas (2) is made of autoclaved aerated concrete the density of which is 600KG / M<3> to 1200KG / M<3>; the building block is provided with a tie steel bar (3); and the whole tie steel bar (3) is inserted into the building block from the end part of the building block. The autoclaved aerated concrete double-hard-face building block can meet the requirement of energy conversation and the requirement of bending resistance and shock resistance. The manufacturing method of the building block enriches and develops the manufacturing process of autoclaved aerated concrete and has distinct technical progress significance.

Description

technical field [0001] The autoclaved aerated concrete double-hard surface block and its manufacturing and construction method belong to the technical field of building energy conservation, and specifically relate to an autoclaved aerated concrete block with variable density on the cross-section of the block and high hardness of the surface layer and its production method. Background technique [0002] At present, in the field of house construction, autoclaved aerated concrete blocks occupy a major position as the blocks selected for interior wall masonry. This type of block has low density, thus low strength and low surface hardness. The body of wall built with this type of block has a soft quality of the inner wall surface of the house, and there are defects in usability. For example, with a small impact external force, pits will appear on the inner wall; steel nails are nailed on the surface of the wall, and a certain weight of attachments is hung on the nails. The plac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C1/40B28B1/14B28B11/24
Inventor 徐接武吴传强叶婉玲李寿瑜毕爱玲许小燕林威林竞渊王东晨林新春吴丽青林希燕牟明阳路尚修路彤
Owner FUZHOU NO 1 CONSTR ENG
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