Q2. A
1.8-m
square,
2.0-m
deep spread footing is underlain by a soil with the following properties:
\gamma =18.5k(N)/(m^(3)),c^(')=0kPa,\phi ^(')=35\deg
. Using Terzaghi's equation and a factor of safety of 3 , determine the gross allowable vertical load the foundation could carry.