For the column given in the figure Material: C$25/$S$420,$ fyd $/$fcd $=365/17$ MPa, Cover $=40$ mm $($from the reinforcement axis$).$

Tensile reinforcement diameter $16,116=201$ mm$2$

$.$

a$)$ Find the maximum axial load that the column can carry.

b$)$ Find the balanced axial load and balanced moment.

c$)$ Find the bearing capacity moment corresponding to the design axial pressure load Nd$=1500$ kN $N_d$