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The Structural Engineer, Volume 56, Issue 5, 1978
‘Anns’ Last month we expressed satisfaction that the decision in Anns‘ case continued to attract discussion because it revealed a serious concern amongst our members about what was in the best interests of the public and also because it helped considerably towards an understanding of what were the responsibilities of the engineer in his various roles. It has been suggested by some that there may be a need for new legislation; in this respect we have had a most interesting letter from Mr. N. Thomas in South Africa. He writes: I have read with great interest two letters from Messrs. Akroyd and Ellis regarding the Anns’ case and potential responsibilities. Verulam
The paper discusses the possibility of specifying tolerances for post-welding distortions of plates which are both simple to check and directly related to the weakening effect of these distortions on the compressive strength. The discussion is based on a statistical treatment of a large number of full-scale measurements of size and shape of the distortions, as well as numerical analyses of the compressive strength of plates. C.A. Carlsen and J. Czujko
The paper is intended to give designers an understanding and visual appreciation of the way temperature distributions within bridge decks form and change throughout the day. Any temperature distribution is considered as a superposition of a steady state average heat flow between top and bottom surfaces and an hourly changing variation near the surfaces. Both components are analysed by classic theory of conductivity and can often be sketched by eye. The influences of surfacing and lightweight aggregate concrete are indicated. E.C. Hambly