Quote (Dontrunaway @ Feb 28 2015 02:11am)
This may help.
Video looks like it covers it pretty well, and he has a lot of other videos.
Near the end he's got a relationship between rho and steel strain which would give you failure.
http://www.youtube.com/watch?v=aBtSWpX3DNo
Hope it helps. :x I'm not a structural engineer ;[ only mech
I saw all his videos already for concrete, he only did it for singly reinforce. I'm only interested in the rho balance for double reinforce. The equation is quite different . Ty anyways