Light steel structure is a young and vitality of steel structure system, has been widely used in general industrial and agricultural, commercial and service buildings, such as office buildings, villas, warehouses, stadiums, entertainment, tourism and construction of low, multi-layer Residential construction and other fields.
Light steel is also a vague term, generally can have two kinds of understanding. One is the current "Design Code for Steel Structure" (GBJ 17-88) Chapter XI "light steel bar, small angle steel structure" refers to the use of round steel and less than L45 * 4 and L56 * 36 * 4 The light steel structure made of angle steel is mainly used in small structures which are not suitable for the manufacture of reinforced concrete structure when the steel is lacking. Now it is basically not used widely, so the revision of the steel structure design code has basically been tended to be removed.
Determine the structure of steel and light steel structure, we can with some data comprehensive consideration and judgment:
1,crane lifting weight: no more than 25 tons, can be thought of as light steel structure.
2, less than or equal to 50 kg/sqm, can be regarded as light steel structure.
3, the main components: steel plate thickness more than or equal to 10 mm, steel structure.
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