The advantages of welded structures are mainly reflected in the following aspects: 1. Welded structures have high safety performance. Because steel has good plasticity, under normal circumstances, it will not cause sudden fracture damage due to accidental overload or local overload, but will show signs of large deformation in advance so that remedial measures can be taken. Steel also has good toughness and strong adaptability to dynamic loads acting on the structure, providing a reliable guarantee for the safe use of welded structures.2. The integrity of the welded structure is strong. Since welding is a connection between metal atoms, it has high rigidity and good integrity. Under the action of external force, it will not produce excessive deformation due to gap changes like other mechanical connections. Therefore, the strength and rigidity of the welded joint can generally reach the same or similar to that of the parent material, and can withstand various loads with the basic metal. 3. The welded structure has high strength and light weight. Welded structures are mostly made of rolled materials, which have strong impact load bearing capacity. The strength of steel is many times higher than that of building materials such as masonry and concrete. The strength of welded joints made by modern welding technology is higher than that of the parent material. 4. The compactness of the welded structure is good. Due to the compactness of the weld, the welded structure can ensure the air tightness and water tightness requirements of the product,
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