Behavior of Elastic-Plastic Frames

by Alfred Korn,
Theodore V. Galambos,

Serial Information: Journal of the Structural Division, 1968, Vol. 94, Issue 5, Pg. 1119-1142

Document Type: Journal Paper


The behavior of several multistory, one-bay and two-bay planar frames is examined by means of computerized elastic-plastic analysis. Each frame is unbraced, fixed at its base, and loaded by static, proportional forces up to the maximum load carrying capacity. The results of first-order elastic-plastic analyses are used as a basis for classifying and explaining the behavior of second-order models. The magnitudes of second-order effects on both load carrying capacity and deformations are presented. The influence of axial deformation is included in the examination of frame behavior.

Subject Headings: Load bearing capacity | Maximum loads | Load factors | Structural behavior | Elastic analysis | Frames | Deformation (mechanics) | Mid-rise buildings

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