Yielding in Framed Structures under Dynamic Loads

by Navin C. Nigam, (A.M.ASCE), Res. Fellow; California Inst. of Technol., Pasadena, CA,

Serial Information: Journal of the Engineering Mechanics Division, 1970, Vol. 96, Issue 5, Pg. 687-709

Document Type: Journal Paper


The inelastic response of framed structures depends on the interaction between forces exisitng at sections where yielding occurs. Force-displacement relations, incorporating the effects of such interactions, are derived for a typical element of the framed structures. The application of these relations to derive the equations of motion of framed structures is analyzed and illustrated for a simple space-frame. The dynamic response of the frame is obtained and it is shown that inelastic interaction between forces during yielding has a significant effect on the response.

Subject Headings: Dynamic loads | Frames | Inelasticity | Equations of motion | Space frames | Structural analysis | Structural response | Displacement (mechanics)

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