Surfaces should be used for the design of the shear walls only. In all other cases, plate elements should be used.
Hi Gaurav,
Please go through the attached wiki for more information regarding plates & surfaces.
https://communities.bentley.com/products/ram-staad/w/structural_analysis_and_design__wiki/23407/difference-between-plate-shell-and-surface-elements
Hope this will help you.
Answer Verified By: GAURAV GOSWAMI
Thanks for your reply sir....i am satisfy with your answer...
Thanks Mr. Abhishek,
I agree with your answer...
Welcome..