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The Structural Engineer, Volume 70, Issue 12, 1992
Papers - too ‘academic’? A paper titled ‘Structural optimisation with the genetic algorithm’ (by Professor W. M Jenkins, Structural Engineer, I7 December 1991) stimulated Mr W. E. A. Skinner (21 April) to ask whether there might be too much ‘academic’ material in the journal. In response, we first allow Professor Jenkins to explain himself ... Much as I would have liked to provide Mr Skinner with pleasurable retirement reading (being retired myself I share the need!), I think it more important to write for the younger engineers who have their careers before them! They will undoubtedly indulge in intensive computerisation of structural design in the years ahead. Verulam
This paper describes an in situ load test conducted on the composite floor system of a typical modern commercial building. The test was conducted close to the completion of the building’s construction in order to assess the impact of the real boundary conditions on the structural characteristics of the floor system. The test details and the structure of the building are described, and the results of the test are presented and discussed. In addition the construction stage performance of the floor system is examined. Comparisons are drawn between the test results, current analytical methods, and laboratory tests on isolated beams. R.M. Lloyd and Professor H.D. Wright
A time-dependent method of analysis is presented for calculating the deflection of statically determinate composite steel-concrete members under constant sustained loads. The cross-sectional analysis is applicable to a general, monosymmetric, composite section, and Dischinger’s differential constitutive relationship is used to model the inelastic creep and shrinkage strains that develop with time in the concrete. R. Lawther and R.I. Gilbert