Question $3$

$(20$ Marks$)$

For the square footings $(F_1)$ and $(F_2)$ shown in the Figure, determine the ultimate bearing capacity for each footing. Compute the percentage change in the ultimate bearing capacity between the two cases. Ground water table is located very deep relative to the ground surface.

Note: $B=2\mathrm{.}5m,D=1\mathrm{.}75m,$ and ${}^{\text{'}}=35.$ The columns are $500mm500mm.$

Solution:

uiltimate $.......$ capacity $=$