Moment-Curvature of Beams as Ramberg-Osgood Functions

by Moves J. Kaldjian,

Serial Information: Journal of the Structural Division, 1967, Vol. 93, Issue 5, Pg. 53-66

Document Type: Journal Paper


A stress-strain relation of the Ramberg-Osgood type across a beam section has been shown to result in a Ramberg-Osgood moment-curvature function for the section. The plastic section modulus is found to be an important parameter for determining the characteristic moment parameter. Simple expressions are presented for finding the moment-curvature parameters (a) from the stress-strain parameters of the material, and (b) from the moment-curvature parameters of a section. Remarkable agreement exists between these simple expressions and the actual results.

Subject Headings: Parameters (statistics) | Curvature | Beams | Stress strain relations | Plastics | Agreements and treaties

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