$1-$ A beam with HE$300$B profile is under the effect of vertical loads on its weak axis. Check the

bending and shear adequacy. $(30$p$)$

$a=0$ and $b=0$

$w_v=1a\frac{k}{m}*w_n=4bk\frac{N}{m}$

Material: $(S275F_y=275$MPa,$F_u=430$MPa,$E=200000$MPa$)$