JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. RR 21.03.00-3.8 Concrete Design per IS13920-2016 STAAD.Pro is now capable of performing design of concrete beams and columns per IS13920-2016. Parent topic: RR 21.03.00-2 Features Affecting the Analysis and Design Engine Related concepts D8.F. Indian Codes - Concrete Design per IS 13920-2016