Optimum Design of Three-Span I-Beamsby Abul K. Azad, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Petroleum and Minerals, Dhahran, Saudi Arabia,
Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 12, Pg. 2433-2437
Document Type: Journal Paper
Abstract: This paper presents a plastic design method to determine the minimum-weight design that is of a symmetrical three-span-I-beam of given length and is subjected to uniformly distributed load. The beam is symmetrical in cross section, and has an unchanged web of constant height. Flange areas are varied considering only the maximum positive and negative moments; thus, introducing only one restricted number of cutoff points for relatively short span beams is not uncommon since too many cutoff points would increase the cost of welding.
Subject Headings: Plastic design | Minimum weight design | Load and resistance factor design | Symmetry | I beams | Load distribution
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