Pre-engineered steel buildings are houses made of steel structures and fabricated and installed according to pre-specified architectural and technical drawings. The process of making finished products (with a combination of inspection and quality control steps) is passed through 3 main stages; Design, fabrication of components and erection at the site. The entire steel structure can be produced synchronously and then delivered to the construction site in a relatively short time.
Typical pre-engineered steel buildings include the following 3 components:
+ Main frames (columns and trusses)
+ Secondary structural members (purlins, top struts and wall beams)
+ Rolled shaped steel sheet (roof and wall panels)
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All major and minor structural members are cut, punched, drilled, welded and preformed in the factory before being shipped to the site. The quality of the in-house components is always guaranteed as they are manufactured entirely in-house according to strict standards and tests. At the construction site, prefabricated components at the factory will be linked together by bolts.
The saving of materials in low-bearing areas of the main frame members has made pre-engineered steel buildings more economical than conventional steel buildings, especially low-rise buildings with a width of less than 60m and a roof edge height of less than 30m. . Furthermore, the pre-engineered steel building system uses only pre-designed connections and predefined materials to design and manufacture the building structures. So it greatly reduces the design, production and erection time.
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