I'm setting up a pushover analysis for a bridge bent consisting of steel pipe piles and a concrete superstructure. The connection between the pipe and the bent will incorporate a reinforced concrete cage. I know there are some current studies being done on this, but is anyone aware of any current literature (AASHTO, Caltrans, etc.) detailing an "approved" procedure for the M-Phi analysis of a concrete filled pipe? Any guidance I can find simply relates to plain concrete or steel piles.
Thanks!
Thanks!
