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Report of the Council
When Dr. W. Eastwood, BEng, PhD, CEng, FIStructE, FICE gave his Presidential Address in October 1976, it was the fourth time in the history of the Institution that a member from Yorkshire had been installed as President. After a distinguished academic career leading to six years as Professor of Civil and Structural Engineering at Sheffield University, Dr. Eastwood in 1970 resigned that appointment to embark upon a second career as a consulting engineer.
The development of dead load stresses in the columns of an eight-storey reinforced concrete structure during construction is reported. The in-situ steel and concrete stresses were measured respectively through acoustic gauges and a Carlson stress meter. Typical data on the development of steel strains are presented. The difficulties of interpreting the concrete stress meter readings are described. The influence of the construction process on the development of concrete stresses is shown.
R.N. Swamy and M.M.A. Potter
The President: We have had the pleasure of listening to a most interesting paper. I am sure there is a considerable future for this line of research. I remember a few years ago being asked by Messrs. Stewart and Lloyds to advise on the possible uses of both thin walled plastic tube and very thin steel tube buried in the ground. I was not able to discover any references to research work in this field. The paper we have had before us tonight has not only given guidance with regard to the carrying capacity but has also provided interesting information about the mode of failure of the tube.