Steel element design is made in accordance with TBDY 2018 Section 9 conditions , together with ÇYTHYEDY 2016, AISC 360-16, TS EN 1993-1-1 options . Column design, beam design, secondary beam design, purlin design, concentrically braced design and truss design are made automatically by considering ÇYTHYEDY 2016, AISC 360-16, TS EN 1993-1-1 and TBDY 2018.