PDF Dear communities, Please provide me the solution or method to design & analysis the STEPPED column. For the reference, I have attached the pdf file, please check it & provide me the solution. Thank you.

Hello Everyone. I create a dummy beam with density=0 and E=0 (Figure.1) then I assign the beam (Figure.2) then Staad Error occurs( ***ERROR*** MATERIAL NAME MUST NOT CONTAIN ANY BLANK SPACE )(Figure.3), What is the solution?

Dear everyone , i want to know in staad pro analysis if inertia of column and beam need to be multiplied reduction factor when i calculate reinforcment for beam and column? if you have any idea , please tell me , thank you very much!