Research Article
May 1972
Plastic Behavior of Hollow Structural Sections
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VIEW THE REPLYAuthors: Robert M. Korol and John HudobaAuthor Affiliations
Publication: Journal of the Structural Division
Volume 98, Issue 5
Abstract
A series of tests on beams of hollow structural sections was conducted to determine their adequacy in plastic design. A minimum plastic rotation requirement of law times the elastic limit rotation prior to unloading below the fully plastic moment was used to separate sections into categories of plastic and allowable stress design. Local buckling caused by high residual stresses occurred for all but the very stocky sections (b/t<15, in which b=flange width and t=thickness). The recommended slenderness limit is given by b/t<150/(σo)1/2, in which σo=yield stress) a value considerably less than is currently recommended by CSA-S16 (1969) or AISC (1970).
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Information
Published In
Journal of the Structural Division
Volume 98 • Issue 5 • May 1972
Pages: 1007 - 1023
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: May 1972
Published online: Feb 1, 2021
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Affiliations
Robert M. Korol
Asst. Prof., Dept. of Civ. Engrg. and Engrg. Mech., McMaster Univ., Hamilton, Ontario, Canada
John Hudoba
Municipal Engr., Town of Burlington, Burlington, Ontario, Canada; formerly, Research Asst., Dept. of Civ. Engrg. and Engrg. Mech., McMaster Univ., Hamilton, Ontario, Canada
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