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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
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.
Robert Tristram (G) writes: Some very interesting points have been raised by Dennis Waite and Donald Evans (5 September and 3 October). Few would disagree with the statement to the effect that Codes should be written for the acceptance of fools and the guidance of wise men. Also, it does seem that a great deal of innovative design is stifled by unimaginative and defensive approving authorities: the idea that an approving engineer might be of an altogether lower level of proficiency than the designer does give some cause for concern.