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The Structural Engineer, Volume 53, Issue 8, 1975
A new ultimate load method of design is presented which can be used for predicting the failure load of conventional plate girders having webs reinforced by both longitudinal and transverse stiffeners, hybrid girders and unsymmetrical girders. This new design method provides identical lower and upper bound solutions, and, furthermore, it is shown that many of the existing solutions are contained as special cases of the present, more general solution. D.M. Porter, K.C. Rockey and H.R. Evans
Situations are described in which it is advantageous to use composite steel-concrete beams with fewer shear connectors than the number required for full interaction. From a study of the results of tests and computations, simple rules are derived for estimating the ultimate flexural strength of such beams, and for checking deflexions in service, both by calculation and by the use of limiting span-depth ratios. R.P. Johnson and I.M. May
The Institution's Basic Features of Design Panel at the invitation of the Structural Codes Advisory Committee has examined and reported on the values for and ways in which partial safety factors are being introduced into Codes of Practice for building structures following the adoption of limit state design in the Code of Practice for Structural Concrete, CP110:1972.