How to Optimize Light-Gage, Cold-Formed Steel Beams

by Scott A. Burns, (A.M.ASCE), Univ of Illinois at Urbana-Champaign, Urbana, United States,

Document Type: Proceeding Paper

Part of: Analysis and Computation


The Illustrative Examples section of the AISI Cold-Formed Steel Design Manual (AISI 1989) demonstrates how to analyze a number of different cold-formed steel sections. This paper applies a general-purpose optimization software package to one of these examples - a hat section - to maximize the bending strength of the beam while maintaining the same volume of steel and depth of section. A mathematical program is formulated with constraints that are derived from the AISI specification.

Subject Headings: Steel beams | Cold-formed steel | Computer programming | Structural steel | Strength of materials | Structural strength | Mathematics

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