Dear sir,
Please inform me how i design a long column in sway fame? is it require to analysis second oder (P-delta)?
I use staad pro v8i. After completing 1st order analysis i just go to the RC designer and design the column as a sway frame.
But the moment show abnormal, such as if the 1st order analysis moment is 250 kip-ft, when i consider it sway, the moment show around 510 kip-ft.
is it ok?? which procedure i have to follow.
Please give me clear idea about that.
Engr. Shafiq
Bangladesh