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Recent content by jdw

  1. jdw

    Span to depth ratio

    I was asked to make a quick analysis of a small single storey structure to ascertain if a second floor could be constructed on top of it. However I found that the span to depth ratio of one of the panels was slightly greater than the limit. Can you offer me some advice as to whether this is...
  2. jdw

    Elliptical concrete roof

    I am in the process of analysing a curved (elliptical)roof with the following dimensions etc. span 13'4" internal dim. -principal axis of ellipse 6'-2" (to centre) secondary axis of ellipse 3'-11" (from top of roof to centre) thickness 6", reinforcement 3/8"h.t. bars...
  3. jdw

    Analysis/Design of Ellipse shaped concrete roof

    I am in the process of analysing a curved (elliptical)roof with the following dimensions etc. span 13'4" internal dim. -principal axis of ellipse 6'-2" (to centre) secondary axis of ellipse 3'-11" (from top of roof to centre) thickness 6", reinforcement 3/8"h.t. bars...

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