Author: Horne, M R;Ajmani, J L
First published: N/A
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Horne, M R;Ajmani, J L
This paper presents a basis for determining displacements and stresses arising from the torsion of structural rectangular hollow sections. Particular attention is given to
stress concentrations at the re-entrant corners. A relationship is determined between freely formed corner radii and section thickness. Analytical solutions are compared with experimental results on steel sections and prediction from thin walled torsion theory.
The elastic plastic post-buckling behaviour of a column, laterally restrained near one flange and subjected to a uniform major axis bending moment, is investigated, using the concept of a complex plastic hinge situated at mid-height. By considering also the elastic response curve in the presence of initial imperfections, an upper bound to the complete elastic-plastic load deformation relationship is derived. It is shown how this analysis may be used to derive suitable slenderness ratio limits in plastic design
procedures for frames containing such members.
M.R. Horne and J.L. Ajmani
Professor A. Bolton (M) was educated at Queen Elizabeth's Grammar School, Blackburn, and the University of Manchester. His first degree was in building but his subsequent degrees were concerned with structural engineering.