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Dr A. P. Mann (F) (Allott & Lomax)
Could you give an indication of the level of earthquake intensity for which you had to
design the superstructure?
The price of progress
Structural codes of practice have always been controversial but today the biggest issue for many practising engineers is not philosophy but cost. In tune with the spirit of the times, BSI has ‘built up its core market’, i.e. locked customers into QA schemes which require them to buy every new code edition or revision which is published, is ‘publishing more codes than ever before’, i.e. dividing up codes into innumerable parts and issuing ‘new editions’ instead of amendments, and, it seems, is intent on charging its captive customers more money for its codes than ever before.
This paper describes a programme of work on the testing of hollow plank floor systems under static loads. Particular issues addressed include the need to estimate the transverse load distribution in a floor during a test, and the scope for extrapolation of behaviour from the results of tests carried out at lower loads. The research described focuses on these aspects and leads to specific recommendations for load testing of hollow plank floors.