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+b=250//column width, in mm
+D=500//column depth, in mm
+lex=4//in m
+ley=4//in m
+Pu=300//in kN
+Asc=1472//in sq mm
+Ast=1472//in sq mm
+fck=15//in MPa
+fy=250//in MPa
+c=50//cover, in mm
+Max=Pu*10^3*D/2000*(lex/(D/10^3))^2/10^6//in kN-m
+May=Pu*10^3*b/2000*(ley/(b/10^3))^2/10^6//in kN-m
+Puz=(0.45*fck*(b*D-(Asc+Ast))+0.75*fy*(Asc+Ast))/10^3//in kN
+//to find Pb
+xu=(D-c)/(1+0.002/0.0035)//in mm
+fsc=217.5//in MPa
+fst=217.5//in MPa
+Pb=(0.36*fck*b*xu+fsc*Asc-fst*Ast)/10^3//in kN
+k=(Puz-Pu)/(Puz-Pb)//>1
+k=1
+Max=k*Max//in kN-m
+May=k*May//in kN-m
+mprintf("Additional Moments are:\nMax=%f kN/m\nMay=%f kN-m", Max,May)