Jun 19, 2002 #1 DaveVikingPE Structural Joined Aug 9, 2001 Messages 1,008 Location US Where in the ACI code (or elsewhere) do I find this equation: required steel ratio = (.85fc/fy)(1-sqrt(1-(2Ru/.85fc)))?
Where in the ACI code (or elsewhere) do I find this equation: required steel ratio = (.85fc/fy)(1-sqrt(1-(2Ru/.85fc)))?
Jun 19, 2002 #2 Taro Structural Joined Nov 29, 2000 Messages 713 Location US The derivation can be found (among other places) in Reinforced Concrete Design by Wang & Salmon. Upvote 0 Downvote