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My first desire is to thank the members of this Institution most sincerely for the honour they have conferred on me by electing me their President for the Session 1949-50. Conscious as I am of my shortcomings for this high office, I can only promise to serve you to the best of my ability, to endeavour to uphold the high traditions of my predecessors and to try to merit the confidence you have placed in me.
The design and construction of modern steel and reinforced concrete structures are largely governed by the provisions of the 1948 Editions of B.S.449 and B.S. Code of Practice C.P.114 which replace those of a previous decade. The progress reflected in these documents is reviewed in the light of their contribution to steel economy and a comparison is made of the steel required for a number of alternative structural examples. Brief consideration is given to some aspects which require clarification or
further research and to the direction of future advances.
Mr I.P. Gillson (M) (Central Electricity Generating Board): I draw the attention of specifying engineers to the need to
-study carefully the September 1983 draft ‘Guidance notes’ when dealing with particularly vulnerable structures
-consider the relevance of tests on mortar prisms and cubes to the risk of ASR damage
-consider the scale effects of concrete samples on the risk of ASR damage
-examine evidence from concrete that has been damaged by ASR