Connecting joint between industrial cold-formed thin-walled steel composite wall and steel beam and construction method thereof

Abstract

The invention relates to the field of building materials, in particular to a connecting joint between an industrial cold-formed thin-walled steel composite wall and a steel beam and a construction method thereof, which comprises a composite wall, an H-shaped steel beam and a connecting piece. The connecting piece forms a split U-shaped groove structure by splicing an upper flange and a lower flange of an H-shaped steel beam. After adopting the above-mentioned scheme, the construction efficiency can be improved and the construction cost can be reduced. The connecting joint structure is simple with clear transmission force, which can guarantee the connection reliability and improve the construction quality.

Description

Technical field [0001] The invention relates to the field of building materials, in particular to the connection node of an industrialized cold-formed thin-wall steel composite wall and a steel beam and a construction method thereof. Background technique [0002] When the cold-formed thin-walled steel composite wall is made by industrialized methods, the cold-formed thin-walled steel components and thermal insulation materials in the wall are directly completed in the factory to form a modular finished wall panel. The connecting rails of the curved thin-walled steel composite wall all use U-shaped channel steel. When the upper rail is installed, it will conflict with the wall installation: if the wall is installed first, the upper rail cannot be connected to the main structure. ; If the guide rail is installed first, the wall cannot be embedded in the guide rail, and the wall must be forced into the guide rail with the help of external tools, which will inevitably cause damage to...

AI Technical Summary

Problems solved by technology

[0002] When the cold-formed thin-walled steel composite wall is manufactured by industrial means, the cold-formed thin-walled steel components and thermal insulation materials in the wall are directly completed in the factory to form a modular finished wall panel. The existing cold-formed The connecting guide rails of the curved thin-walled steel composite wall are made of U-shaped channel steel. When the upper guide rail is installed, it will conflict with the installation of the wall: if the wall is installed first, the upper guide rail cannot be connected with the main structure. ; If the guide rail is installed first, the wall cannot be embedded in the guide rail, and the wall must be forcibly embedded in the guide rail with the help of external tools, which will inevitably cause damage to the surface of the guide rail, and even the guide rail will be deformed or damaged. Repairing, the fracture of the guide rail will rust, which will affect the connection performance of the entire component; when the lower guide rail is installed, since the lower guide rail is fixed on the concrete floor, it is necessary to drill holes in the concrete and implant anchor bolts on site, if there is leakage on the outer wall , will inevitably cause rainwater to seep into the room through the gap between the guide rail and the concrete floor, causing serious damage to the internal walls and floors

[0003] And the traditional cold-formed thin-walled steel wall is a composite wall composed of cold-formed thin-walled steel skeleton, side panels and fiber insulation material filled in the middle, which has the advantages of high assembly rate, energy saving and environmental protection, and good structural performance. The fiber insulation material filled in the body has the problem of "hollow wall" in actual use, which is inconvenient for later building decoration and poor in thickness, making it difficult to popularize and apply cold-formed thin-walled steel walls in China; At a high temperature of 550°C, it will generally collapse in about 15 minutes due to the loss of load-bearing capacity. The refractory time can be improved to a certain extent by covering the components with plates such as gypsum board or cement fiber, but the cost of the plates is high, and in order to control cold bending The economy of the construction cost of thin-walled steel houses, the national standard "Technical Regulations for Construction of Low-rise Cold-Formed Thin-walled Steel Houses" GB JGJ 227-2011 controls the story height to three floors or below; in recent years, there have been construction sites in China. Filling gypsum-based mortar materials to form cold-formed thin-walled steel composite walls, but the manufacturing process has a low degree of industrialization and wet operations on site, which is not in line with the development direction of China's green building construction methods

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