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The dome steel structure has good mechanical properties and processing properties. Compared with concrete, steel has high strength and is especially suitable for building structures with large spans and heavy loads. According to the material, it can be divided into masonry dome, metal dome, membrane dome, glass dome and wood dome. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of section steel and steel plates, and adopts rust removal and antirust processes such as silanization, pure manganese phosphating, washing and drying, and galvanizing. Generally, steel structures need to be derusted, galvanized or painted, and they need to be maintained regularly.