Cast-in-situ steel mesh frame sandwich heat-insulating shear wall and construction method thereof

Abstract

The invention relates to a cast-in-situ steel mesh frame sandwich heat-insulating shear wall and a construction method thereof. The abdominal wire of a steel mesh frame sandwich heat-insulating plate used by the shear wall is a straight wire, a horizontal elastic support is arranged every other floor, each horizontal elastic support comprises a plurality of vertical additional bars which are arranged horizontally at intervals and a plurality of U-shaped anchor bars which are arranged horizontally, the U-shaped anchor bars are all inserted on a heat-insulating cushion block, and are divided into two layers which are vertical align, and each layer is horizontally arranged at intervals. the heat-insulating cushion block extends and is placed between the upper and the lower steel mesh frame sandwich heat-insulating plates, the arm part and the U shape bottom part of each U-shaped anchor bar are solidified in an inner and outer wythes correspondingly, and the upper and the lower ends of each additional bar are solidified in outer wythes of an upper floor and a lower floor. In the construction process of the horizontal elastic support, the heat-insulating cushion block and the U-shaped anchor rods are mounted firstly, and then the steel mesh frame sandwich heat-insulating plates are mounted in an aligned mode to make an outer side steel mesh be connected with the upper portion of the vertical additional bar embedded in the lower floor. The cast-in-situ steel mesh frame sandwich heat insulating shear wall can solve the problems of cracking and separation of outer wythes, and is particularly suitable for high buildings.

Description

technical field [0001] The invention relates to a cast-in-place sandwich insulation shear wall and a construction method thereof, which is especially suitable for high-rise buildings. Background technique [0002] The walls of many existing buildings use steel wire grid sandwich insulation panels as the sandwich panels of the walls, which realizes the integration of light weight and structural insulation of the walls. The steel wire grid sandwich insulation board commonly used at present is composed of a middle insulation board, steel wire meshes on both sides of the insulation board, and a number of obliquely inserted abdominal wires passing through the insulation board and welded between the steel wire meshes on both sides. The obliquely inserted abdominal wire is connected with the steel wire mesh on both sides to form a large number of small triangular units. Therefore, the structural rigidity of this steel wire mesh sandwich insulation board is good, but it also brings ...

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Problems solved by technology

The obliquely inserted abdominal wire is connected with the steel wire mesh on both sides to form a large number of small triangular units. Therefore, the structural rigidity of this steel wire mesh sandwich insulation board is good, but it also brings a disadvantage, that is, it restricts the transmission of deformation. effect

For the exterior walls of buildings using this kind of steel wire grid sandwich insulation board, especially the exterior walls of high-rise buildings, due to the large temperature difference in the outdoor environment, the expansion and contraction deformation of the steel wires is large, and the constraints of the above-mentioned small triangular units often cause the deformation to be impossible. Normally, it often leads to the damage of the steel wire, the appearance of tiny cracks on the outer leaf wall, and even cracking and damage. This situation is more prominent in high-rise buildings.

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