What will be the maximum bending moment on a square footing of side ‘b’ corresponding to a net upward pressure ‘p’ if A square column of side ‘a’ is founded on the square footing?
1
\(\frac{pb(b-a)^{2}}{8}\)
2
\(\frac{pb(b+a)^{2}}{8}\)
3
\(\frac{pb(b-a)}{8}\)
4
\(\frac{pb(b+a)}{8}\)