Continuous Steel I-Girders: Optimum Proportioning

by Abul K. Azad, Asst. Prof.; Univ. of Petroleum and Minerals, Dhahran, Saudi Arabia,

Serial Information: Journal of the Structural Division, 1980, Vol. 106, Issue 7, Pg. 1543-1555

Document Type: Journal Paper


A procedure based on elastic analysis is presented to find an economical proportioning of a continuous built up I-beam or girder which is symmetrical in cross section, has an unchanged web of constant height, and is subjected to a uniformly distributed load. The method determines the optimum locations of the assumed number of flange plate cutoff points required for an economical design. A design example is given to illustrate the procedure.

Subject Headings: Steel | Girders | Elastic analysis | Economic factors | I beams | Symmetry | Cross sections | Webs (structure)

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