Currently in Column Design, RCDC has a limit on the maximum value of the effective length factor and users cannot modify this limit value 5. I want RCDC to lift the restriction on this factor. In my case as per attached staad, Column effective len...

During design of beam in rcdc,if i put a check of crack width the software will not design and it gives a message written "Cannot find column [StAstTop] but if i dont check for crack width the software works perfectly.Need a help on this problem b...