General Solution of Inelastic Beam-Column Problem

by W. F. Chen, (A.M.ASCE), Asst. Prof.; Fritz Engrg. Lab., Dept. of Civ. Engrg., Lehigh Univ., Bethlehem, PA,

Serial Information: Journal of the Engineering Mechanics Division, 1970, Vol. 96, Issue 4, Pg. 421-441

Document Type: Journal Paper


Analytical solutions that describe the elastic-plastic behavior of a beam column loaded at the ends and the midspan are presented. Much work has been done on the elastic solution, so the current effort is to extend this work to the inelastic range. Difficulties associated with the analysis are outlined, and the method of attack in overcoming these difficulties is described. The theoretical analysis of the six different cases which correspond to different stages of plastification wihtin the beam column is analyzed. Interaciton curves for combinations of axial force and lateral load that can be safely supported by the beam column of rectangular and wide-flange cross-sections are presented.

Subject Headings: Beam columns | Elastic analysis | Lateral loads | Lateral forces | Axial loads | Load combinations | Structural behavior | Inelasticity

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