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The Structural Engineer, Volume 65, Issue 15, 1987
Dr. P. S. Chana (Cement & Concrete Association): It is encouraging to see a paper which aims to clarify the fundamental behaviour of reinforced concrete T-beams in shear. Owing to the difficult nature of the problem, research in this area has been largely restricted to empirical studies. I would like to make some comments regarding some of the basic assumptions and the significance of the results on present design methods.
The paper presents a design philosophy for large storage tank roofs which makes use of finite element analysis to asess and develop simplified structural mathematical models of the roof components. The aim is to provide the designer with an optimked structural layout, and suitable section sizes, which both satisfies structural standards and is cost effective. The approach is illustrated with reference to two different types of domed roof which are widely used in practice. G. Thomson, G.K. Schleyer and Professor A.S. Tooth