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The Structural Engineer, Volume 47, Issue 8, 1969
Professor Wells (Queen's University, Belfast): 'I should like to ask two questions, one to each of the authors. As we utilise steels of higher strengths there are obviously two extreme problems: one of maintaining ductility, and the other of maintaining resistance to instability, and the problem with which the authors are concerned will require even closer attention in the future.'
Mr. S.T. Jones: 'At a meeting of professional structural engineers my view of this particular work is from a rather different angle from that of anyone else in the hall; it is from the rather unusual position of a highway operator.'
Good approximations to engineering problems are, if anything, more important than lengthy rigorous solutions. This is particularly true in the dynamic analysis of structures since dynamic stability does not usually enter the design of a structure but will only be taken into consideration with regard to the safety of the established structure. I.D. Armstrong