Autoclaved aerated concrete blocks The manufacturer introduces the product classification, technical requirements, test methods, inspection rules, product quality specifications, autoclave Aerated concrete block And transportation. This standard is applicable to autoclaved aerated concrete blocks for civil and industrial building walls and thermal insulation materials.

Autoclaved aerated concrete blocks are made of fly ash, lime, cement, gypsum, slag, etc., with appropriate amount of gas generating agent, regulator, bubble stabilizer, composition mixing, pouring, static, cutting, high pressure. Porous concrete products made by steam and other processes.

Aerated concrete block masonry is usually used to fill walls. The strength grade of the blocks used is generally A3.5 of the partition wall and A5 of the external wall. Mortar strength shall not be less than M5.

Before the construction of aerated concrete blocks, the block layout shall be drawn according to the plane and elevation of the building. A leather strip is set at the corner of the wall. The number of blocks and the height of the blocks are drawn on the number of pieces, and lines are drawn between the lines relative to the blocks, and based on this line.

The masonry surface of aerated concrete block shall be sprayed with water. Special tools (ashing shovel, saw, drill, boring, straight frame, etc.) shall be used for building aerated concrete.

The vertical grey joints of the upper and lower blocks of the aerated concrete block wall shall be staggered with each other, and the length of the staggered spacing shall be 300 mm and not less than 150 mm. If not, set 2 at the horizontal gray joint Φ 6 Tie bar or Φ 4 Steel mesh. The length of tensile reinforcement or steel mesh shall not be less than 700mm.

The gray joint of aerated concrete block wall shall be horizontal and vertical, and the mortar shall be full. The fullness of the horizontal gray joint mortar shall not be less than 90%; The fullness of vertical mortar shall not be less than 80%. The thickness of horizontal grey joints and the width of vertical grey joints shall not exceed 15mm.

At the corner of aerated concrete block wall, the blocks of vertical and horizontal walls shall be erected mutually, and the end face of the blocks shall be exposed. The T-shaped intersection of the aerated concrete block wall shall make the transverse wall block separate from the exposed end face and be located in the longitudinal wall block.

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