Buckling of Continuously Supported Beamsby Arnold D. Kerr,
Serial Information: Journal of the Engineering Mechanics Division, 1969, Vol. 95, Issue 1, Pg. 247-254
Document Type: Journal Paper
The effect of gravity forces upon the buckling of concrete highways or airfield runways as well as upon the stability of a thin layer embedded in a continuous medium suggest the study of a longitudinally compressed infinite beam which is continuously supported by a relatively soft foundation and is subjected to a uniform lateral load. It was found that if the response of a continuous foundation model is assumed linear, then the uniform lateral load, irrespective of its magnitude, has no effect upon the determined buckling force. It is then shown, using the Winkler model, that if the response is assumed nonlinear, which is usually observed in real situations, then the lateral load does affect the buckling force. The larger the uniform lateral pressure, the more stable the continuously supported beam.
Subject Headings: Buckling | Beams | Lateral loads | Foundations | Structural models | Gravity loads | Lateral stability | Airport and airfield pavements
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