Pre-engineered steel buildings are a type of house made of steel structures, and are built and installed according to the pre-engineered architectural drawings. The process of making a complete product (can be combined with quality control steps) is through 3 main stages. Design, fabrication of structures and erection at construction sites. All steel structures can be produced in a synchronous manner and then put up erection works in a relatively short time.
These buildings often use this type of buildings: factories, warehouses, exhibitions, supermarkets, commercial buildings, high-rise buildings.
In the 1960s, standardized engineering designs for buildings were first marketed as pre-engineered steel buildings. Historically the main frame structure of a pre-designed building is a set of I-beam frames, often called I-beam. In prefabricated buildings, the first I is used to be formed by welding steel plates to form part I, the I series are then fitted to the field.
Basic parameters for determining a pre-engineered steel building description
House width: The width of the house depends on the requirements. The house width is calculated from the first outer edge of the wall to the second outer edge.
House length: The length of the house depends on the requirements. The length of the house is calculated from the first outer edge of the wall to the second outer edge from the viewpoint of the main door.
House height: The height of the house depends on the requirements. The height of the house is calculated from the base of the column to the roof of the roof (intersection between the roof and the wall).
Roof slope: Roof slope affects the drainage of rainwater on the roof. Normally, the roof slope is taken i = 15%
Step column: Step column is the distance between columns along the house. Column steps are determined based on the length of the house and the purpose of indoor use.
Load: Calculated load impact on the project including the following types of load: self weight, roof load, wind load, crane load, floor load, load capacity …
Main composition components
Main frame (columns, rafters, beams)
Other minor structural components: purlin, bracing …
Steel sheet forming
The foundation is the main bearing structure for the whole house, one can make shallow or deep nails depending on needs. With big works for deep nailing against flip. The foundation is constructed and the bolts are usually sized M22 or more to connect to the column.
Economy of pre-engineered steel buildings
The saving of materials in less-stressed areas of the main frame components has made the pre-engineered steel buildings more economical than steel houses, especially the low-rise houses with the width of less than 60m and the height of the roof below 30m. . Moreover, the Pre-Engineered Steel Buildings system only uses pre-designed connections and predefined materials to design and manufacture house structures. Therefore, it significantly reduces the design, production and erection time.
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