Beam $1$

A

Column $1$

Column $2$Calculate the normal stress and shear stress acting on an element G$,150$ mm from the top surface of the beam, in the section G to the left of the point load F$\_$wt $($water tank load$)$ as shown in the bottom figure and then determine the principal planes and the principal stresses.

fwt$=?$

Water tank weight is $1042$kg

Length of concrete beam is $8$m Simply supported on both ends.

UDL is $1875$kg$/$m

the cross section of the beam is found in the second image.