Structural Design of Preengineered Buildings

The buildings are designed for loading criteria in such a way that they may be specified to meet the geographical requirements of any location. Combinations of dead load, snow load, live load, and wind conform with requirements of several model building codes.
Standards in Metal Building Systems, Metal Building Manufacturers Association, 1300 Sumner Ave., Cleveland, OH 44115 discuss methods of load application and maximum loading, for use where load requirements are not established by local building codes. Other appropriate design specifications include:
Structural Steel. Specification for Structural Steel Buildings, American Institute of Steel Construction, One East Wacker Dr., Chicago, IL 60601.
Cold-Formed Steel. Specification for the Design of Cold-Formed Steel Structural Members, American Iron and Steel Institute, 1101 17th St., NW, Washington, DC 20036.
Welding. Structural Welding Code, D1.3 and Specification for Welding Sheet Steel in Structures, D1.3, American Welding Society, 550 NW LeJeune Rd., Miami, FL 33152.
The Systems Building Association promotes marketing of metal buildings and is located at 28 Lowery Dr., P.O. Box 117, West Milton, OH 45383.

The first steel joist was produced in 1923 and consisted of solid round bars for top and bottom chords and a web formed from a single continuous bent bar, thus simulating a Warren truss. The Steel Joist Institute (SJI) was organized to promote sales of such joists in 1925 and has sponsored further research and development since then.

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