Writing this to poll anybody's experience of the bolts at the wind bracing connections (both vertical bracing and plan /roof bracing) becoming loose.
I have a client that owns a number of portal framed "shed" type buildings used for retail purposes. Three of these buildings (in different States...
Thanks for the responses - The confirmation that the US uses cylinder strength as the basis for specifying concrete was what I needed to know.
It is curious that even accounting for the Cylinder Strength - Cube strength conversion, Concrete in the US appears to be generally weaker than in the...
Simple Question
Are design strengths of concrete in the US based on Cylinder Strength or Cube Crushing Strength.
I am doing some fairly simple design work for a friend building his own house in the US (I am in the UK). The concrete strength he quoted me (3000psi = 20N/m2) seems low compared to...
