Although China had outstanding achievements in iron structure in the early days, due to the shackles of the feudal system of more than 2,000 years, science was underdeveloped, so it stayed at the level of iron buildings for a long time. It was not until the end of the 19th century that China began to adopt modern steel structures. After the founding of New China, the application of steel structure has been greatly developed, far exceeding the past in terms of quantity or quality.

In the design, manufacturing and installation technologies have reached a high level, mastered the design and construction technology of various complex buildings, many large-scale and complex steel structure workshops, large-span steel have been built throughout the country. Structural civil buildings and railway bridges, steel trusses of the Great Hall of the People in China, steel nets of gymnasiums in Beijing and Shanghai, three-hinged steel arches of the Qin Shihuang Emperor's Horse and Horse Ware Exhibition Hall in Shaanxi and the Bird's Nest in Beijing.

The floor of the light steel structure consists of a cold-formed thin-walled steel frame or composite beam, a floor OSB structural board, support, and connecting parts. The materials used were oriented strand board, cement board, and plywood. These light-weight floors can withstand loads of 316 to 365 kilograms per square meter. The floor structure of the Mittel building light steel structure is only one-sixth to one-sixth of the weight of the traditional concrete slab system in China, but the structural height of the floor will be 100-120 mm higher than that of the ordinary concrete slab.

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