Research Article
Jul 1970
Rational Design of Light Gage Beams
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VIEW THE REPLYAuthors: Jeffrey L. Bleustein and Atle GjelsvikAuthor Affiliations
Publication: Journal of the Structural Division
Volume 96, Issue 7
Abstract
A method for analyzing light gage cold-formed steel beams with buckled flanges in situations when the bending moment changes sign is described. If the bending moment changes sign, the standard procedure using the same effective width for each buckled flange over the whole length of the beam breaks down. Instead, separate effective widths are established for the compression flanges of each part of the beam with a bending moment of the same sign. The points of zero bending moment are not known a priori and their determination is part of the solution. The governing equations are highly nonlinear and have to be solved by a numerical process of successive approximations. The approximations were found to converge very rapidly.
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Published In
Journal of the Structural Division
Volume 96 • Issue 7 • July 1970
Pages: 1535 - 1541
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Jul 1970
Published online: Feb 1, 2021
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Affiliations
Jeffrey L. Bleustein
Asst. Prof. of Engrg. and Appl. Sci., Dept. of Engrg. and Appl. Sci., Yale Univ., New Haven, Conn.
Atle Gjelsvik
Assistant Professor; Dept. of Engrg. and Appl. Sci., Yale Univ., New Haven, Conn.
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