Presidential Address An Engineer's World of Changing Values

The text of an Institution report Future Building Regulations was published in the September issue of The Structural Engineer, pages 430-432. The report has subsequently been use0 &S a basis for further discussions with the Building Regulations Diuision of the Department of the Environment.

The theoretical basis of a suite of computer programs for the analysis of bridge slabs is presented. The slabs were treated as thin elastic plates and solutions were obtained by dynamic relaxation. Orthotropic, variable thickness and constant thickness slabs were considered, of rectangular, skew and curved shapes. Comparisons with other theoretical and experimental results are given. A.C. Cassell, R.E. Hobbs, M.S. Bridgett and P.A.K. Awotwi

As the term ‘Weathering Steel’ is apt to arouse strong feelings, varying from rapture to disdain, some effort has been made in these notes to present a factual picture the properties, evolution and possible future exploitation of this material.