Author: Ruffle, N J
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Ruffle, N J
An Ordinary General Meeting of the Institution of Structural Engincers was held at 11, Upper Belgrave Street, London, S.W.1, on Thursday, 28th June, 1951, at 5 p.m., Mr. J. E. Swindlehurst, O.H.E., M.A., M.I.C.E., M.1.Struct.E. (President) in the Chair.
Professor A. L. L. BAKER (Member of Council), proposing a vote of thanks to the lecturer, said it seemed to him, on looking at the tables, that the most significant results were that in beams having a factor of safety of about 1.5 against cracking, a factor of safety against failure of about 3 had been obtained fairly consistently. That seemed to be very satisfactory, because if prestressed work was carried out under factory conditions of control of concrete, it should be possible to maintain consistently a standard of concrete which would justify designing to a safety factor of 3. In the course of time, he hoped it would be possible to have such control of concreting in the field that working to a factor of safety of 3 would be justified.
Mr. R. C. S. WALTERS, B.Sc, M.I.C.E., President, Institution of Water Engineers, and President of the British Section of the Societe, presided at the meeting. He was accompanied on the platform by Mr. J. E. Swindlehurst, M.A., M.I.C.E., the President of the Institution.