$.$ A $180$ t wide by $0\mathrm{.}50$ m thick reinforced concrete footing is to be provided for a $250$ mm thick wall. The wall carnes

dead load of $20010$N$/$m and a live load of $350$ kN$/$m$.$ The gross allowable soil pressure is $400$ kPa The bottom of the footing is $1900$ mar below the ground Use $21$ MPa, $1420$ MPa, Y$.-23\mathrm{.}6$ kN$/$m$^2,$ and y$.18\mathrm{.}4$ kN$/$m Determine the following Demand shear force in one$-$way action, in V

b$.$ Nominal shear capacity of the wall footing, In KN Spacing of $16$ mm main burs, in mm

d$.$ Spacing of $12$ mm shrinkage and temperature bars, in