The Structural Engineer > Archive > Volume 55 (1977) > Issues > Issue 3 > Correspondence 2 on A Simple Understanding of Elastic Critical Loads by A. Bolton and An Approximate
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Correspondence 2 on A Simple Understanding of Elastic Critical Loads by A. Bolton and An Approximate Method for Calculating the Elastic Critical Loads of Multi-storey Plane Frames by M.R. Horne

Over the past few months valuable and stimulating contributions to the subject of structural stability have been made by Professors Bolton and Horne. They observe that the subject is one which structural engineers have difficulty in understanding. In the present discussion the sources of this difficulty are considered. The fundamental prepositions of classical mechanics which govern all such phenomenon in conservative systems are stated, and the application of these to the problems given by Bolton and Horne are given. Finally some comments are included on modern stability theory for non-conservative systems, and, how current research is attempting to use these to solve some practical engineering problems. T.J. Poskitt