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Mr A. C. G. Hayward (F) (Cass Hayward & Partners): The new national steelwork document should be welcomed by most engineers in that they need expend less effort in writing a specification for what is a specialised product. Provided that the document is widely adopted, employers should benefit long term from more uniform pricing of steel fabrication, and it appears to be gaining acceptance. A unique specification always attracts higher rates, because of either lack of familiarity or the need for the fabricator to institute procedures (such as machine ending) extra to his normal production line.
An investigations of bearing capacity of plain and reinforced concrete blocks is described. The effects of distance between load and edge, footing and loading areas, height, base friction, and size effect, were studied. The test results are considered with those of previous research data, and a new design equation is proposed.
Professor A.R. Cusens, Y.B. Wang and K.K. Wong
On 16 January 1990, the Institution is to hold a l day meeting on the theme ‘Design criteria for nuclear structures’. Structures built to enclose or support nuclear plant have to meet the demands imposed from a rational safety case and are subjected to loading conditions which require them to be designed and constructed to stringent standards. These standards have evolved to serve the safety and reliability demands of the defence, nuclear power generation, and reprocessing industries.