Expansion of Concrete Due to Alkali-Silica Reaction

The first 75th Anniversary function held out-of-house was the Thanksgiving Service at Sr. Lawrence Jewry on 24 November 1983, followed by a Reception at the Guildhall. Nearly 300 members and guests attended the Service and heard the follo wing address by Dr. George Geddes, CBE, FEng (Past President)

Timber frame housing The use of timber frame housing still tends to be regarded, in this country, as innovatory, even though more than 500 000 houses have been built using this method during the last 20 years and it is common practice in many other countries. However, it has recently attracted considerable comment by the media, much of it ill-informed. Mr Phillip Reece has now written seeking a better understanding of the practical options open when the alternatives are described simply as brick and timber. He points out that: Verulam

The subject of prestressing covers a process that is relatively new and the inventor and chief protagonist of which died only 20 years ago-Eugene Freyssinet. Indeed, the major innovations in prestressed concrete, and the notable structures that have resulted, have come about in the last 40 years or so; the ‘childhood’ will therefore deal only with a short time-span, up to about 20 years ago. F. Walley