Author: Bateman, E H
First published: N/A
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Bateman, E H
THE PRESIDENT (Dr. Oscar Faber, O.B.E., M.Inst.C.E.) proposed a hearty vote of thanks to Dr. Evans for his magnificent paper. It contained, he said, a wealth of material, which might be dealt with adequately if it were spread over six lectures and if about twenty meetings were devoted to its discussion. Mr. GOWER B.R. Pimm, M.Inst.C.E. (Member of Council), endorsed the President’s tribute to the excellence of the paper, but admitted that considerable study was necessary in order to digest its contents.
SIR,In the recent paper entitled “Stress Analysis of Modern Structural Frames,” as
reported in the September issue of The Structural Engineer, Mr. J.B.M. Hay is to be congratulated upon bringing up the question of the direct design of indeterminate structures. Most engineers are familiar with the difficulties of mathematical analysis, some of which Mr. Hay pointed out, but rarely is there an exposition of a method of direct design such as that given in the first paragraph of page 392.
TESTS made on structures for the purpose of obtaining new or confirmatory information can be divided into three main groups:-
I. Those dealing with the strength, durability and mechanical properties of materials and construction. Tests of the chemical composition of materials are the work of the analytical chemist and not the structural engineer, although the latter is, of course, interested in the chemical composition in so far as it affects strength and durability.
II. Tests of foundations and incidentally of the properties of the media by which the substructures are supported.
III. Tests of the mechanical and static properties and strength of projected or completed superstructures.