A combined rectangular footing is shown below. Effective depth
=600mm,f^(')c=27.5 MPa, fy
=413MPa. Net soil pressure at factored loads, qu
=98kPa. Reduction factors:
\Phi =0.75for shear,
\Phi
=0.90for moment
-610.4Determine the critical wide beam shear stress (MPa).
