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Modified stability functions for uniformly tapered beam-columns having wide flange, box section, and other cross-sectional shapes are developed and tabulated for different values of axial parameters, end depths ratios, and shape factors. They make
possible the rapid prediction of the elastic critical load of structures with non-prismatic members, using a hand-computing method. Approximate formulae for the modified stability functions are presented.
S. Z. Al-Sarraf
The behaviour of continuous composite beams is examined in terms of the two primary modes of flexural failure, and computer tests simulating beam behaviour are described. Consideration of the behaviour and of the test results has enabled recommendations to be made on the amount of redistribution of moments that can be permitted. The recommendations apply to beams having joists of either 'compact' or 'slender' cross-section and to beams that are designed as either propped or unpropped. An outline design procedure is given.
A method is presented to evaluate the response of vertically vibrating machines placed on large, flexible, elastically supported slabs.
I. Alpan and D. Leshchinsky