Dynamic Elasto-Plastic Response of Rigid Frames

by Frank L. DiMaggio,


Serial Information: Journal of the Engineering Mechanics Division, 1958, Vol. 84, Issue 3, Pg. 1-29


Document Type: Journal Paper

Discussion: (See full record)
Discussion: (See full record)

Abstract: The procedure for determining the elastic response of structures to transient loads in terms of the elastic normal modes is well known. Assuming ideal plasticity, Bleich and Salvadori recently proposed a method for obtaining the response beyond the elastic range in terms of elasto-plastic normal modes. They applied the method to free-free beams acted on by impulsive loads. In this paper, the method of Bleich and Salvadori is applied in general to two hinged and fixed rigid frames acted upon by a time dependent concentrated force at the knee and in particular to a two hinged frame (for which the elastic normal modes are known) and a linearly decaying forcing function.

Subject Headings: Elastic analysis | Transient loads | Rigid frames | Impulsive loads | Elastoplasticity | Hinges | Structural response | Plasticity

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