Planar Strength of Restrained Beam Columns

by Sriramulu Vinnakota, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Marquette, Univ., Milwaukee, Wisc.,

Serial Information: Journal of the Structural Division, 1982, Vol. 108, Issue 11, Pg. 2496-2516

Document Type: Journal Paper

Discussion: Rondal Jacques (See full record)
Discussion: Marek P. J. (See full record)
Discussion: Murthy V. R. K. (See full record)
Closure: (See full record)


A theoretical method that describes the planar, elastic-plastic behavior of a beam-column loaded at the ends and along the length is described. The theory considers the three important parameters: residual stresses, geometrical imperfections and nonlinear end-restraints. A computer program using finite difference technique has been developed to obtain numerical results. Several numerical results are presented to show the influence of the three parameters mentioned on the maximum strength of I-section columns and beam-columns.

Subject Headings: Beam columns | Structural behavior | Structural strength | Parameters (statistics) | Numerical methods | Elastic analysis | Residual stress | Load factors | Geometrics

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