in my design i designed a column and when I checked the member forces ( axial force, bending moment along both axes) to see which load combination rcdc chooses to design this column. i checked member forces in rcdc load combination and STAAD postprocesing result also but I could not find the match of member forces which RCDC used for designing. i want to know how does RCDC calculate member forces which it uses for design?
i was checking results for column C3 (-3m to 0m) and beam no. 102 in STAAD PRO.
here is the staad file and rcdc file.