@Kootk My latest project has a CFS L6x6x6” long, made of 10ga material (t=0.14”). Centered on the 6x6 flat is a welded 7/8” dia threaded rod with 1/4” fillet weld all around. The metal plate bears on concrete and a 20K service load is applied to the threaded rod.
The 7/8" threaded rod is trying to push through a 6"x6"x0.14” sheet into concrete.
This seems light. Does anyone know of an easy method, other than using FEM to determine the capacity of the thin plate bearing on concrete with the 20K service load? I haven’t been able to find anything in Roark that addresses the condition.