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Membrane structure carport common link

When installing a membrane structure carport, there are mainly three ways of linking a membrane structure parking shed. Let ’s take a look together.
1. Welding: It is the main connection method of steel structure parking shed. Welding connections can be divided into butt welds and fillet welds. Its structure is simple, and any form of components can be directly connected; economical use of materials, without weakening the cross-section; easy production and processing, which can be automated; good connection tightness, The structural rigidity is large, but in the heat-affected zone near the weld, the metallographic structure of the steel changes, resulting in local brittleness; welding residual stress and residual deformation reduce the bearing capacity of the compression member; the welded structure is very sensitive to cracks, Once the local crack initiates, it can easily spread to the entire member section, and the problem of low temperature cold brittleness becomes prominent.
2. Riveting: The rivet connection was used in the 1920s. The rivet connection has good plasticity, toughness and integrity, small connection deformation, reliable force transmission, and good fatigue performance when bearing dynamic loads. It is especially suitable for heavy and direct bearing dynamic loads. Structure, but due to its complicated structure, large amount of steel, troublesome construction and high noise, it is rarely used at present, but the mechanical properties, structural requirements and design methods of rivet connections are the same as ordinary bolt connections in principle, the difference is The design parameters and design values are different.
3. Bolt connection: Due to the time-saving and labor-saving installation, simple installation equipment required, and less demanding skills of construction workers than welders, the current application of steel connection is second only to weld connection. There are two types of bolted connections: ordinary bolted connections and high-strength bolted connections. They are divided into three types according to the stress conditions: shear bolted connections, Hanglao bolted connections, and bolted connections that are subjected to both shear and tension. The requirements of high-strength bolt pressure-bearing connection on bolt material, pre-tension force, construction and installation are exactly the same as those of the friction type, except that it is overcome by the friction force and the joint plate is relatively slipped. Destruction is the limit state of bearing capacity, so its bearing capacity is higher than that of high-strength bolt friction type connections, which can save connection materials.
Membrane structure carport

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临朐鹏磊膜结构制品厂是一家专业从事山东膜结构车棚、山东膜结构工程、山东膜结构景观、山东膜结构充电桩的设计施工安装的企业。 Recommended: Lintong Penglei Membrane Structure Product Factory is a company specializing in the design, construction and installation of Shandong membrane structure carports, Shandong membrane structure engineering, Shandong membrane structure landscape, and Shandong membrane structure charging piles.
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