Author: Bolton, A
First published: N/A
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Dr R. D. Henshell (PAFEC Ltd)
I should like to congratulate Dale Carlton and his team, and the other teams he works with, on holding a number of records in respect of the largest problems of different categories that have ever been tackled in the history of finite elements.
On Saturday 13 June 1992 two of three spans of a masonry viaduct at St John’s Vale Station, Deptford, collapsed during a pause in demolition work. Two men were killed, buried under the fallen spans, and several others were injured as they descended on top of the debris. The collapse was of the ‘domino’ type and was described in New Civil Engineer as unexpected. Both the BBC and Grampian Television reported an apparently similar collapse in Aberfoyle, near Balmoral, in 1989. In both cases the structure collapsed when the crown of one span had been partly cut away. This feature, while prompted by these two failures, is not intended to present a detailed explanation of them. In the case of the Deptford failure particularly, only very limited information is available.
This paper deals with the problems faced by the first arrivals in the new Colony of New South Wales, who lacked supplies of suitable materials and people skilled in building construction, and with the gradual development of a ‘colonial’ technology. The
second generation produced some surprisingly good buildings in the circumstances.
Professor H.J. Cowan