A suitable pad$-$type foundation is required to support a $400$ x $400$ mm column. The foundation is carrying unfactored dead load of $750$ kN and unfactored imposed load of $450$ kN$.$ The allowable bearing pressure of the soil under the foundation is $330$ kN$/$m$2.$ Including sketches of your design solution, you are required to: $($a$)$ Determine the required pad area $(5$ marks$)($b$)$ Determine the bearing pressure acting on the pad foundation at ultimate limit state and hence calculate the ultimate design moment acting on the pad $(8$ marks$)($c$)$ Design suitable tensile reinforcement for the pad foundation. Nominal cover for the foundation can be assumed as cnom $=50$ mm$.(10$ Marks$)($d$)$ Complete all necessary shear design checks $(12$ checks$)$ Question $3(35$ Marks$)$

A suitable pad$-$type foundation is required to support a $\backslash (400\backslash$times $400\backslash$mathrm$\{$~mm$\}\backslash )$ column. The foundation is carrying unfactored dead load of $750$ kN and unfactored imposed load of $450$ kN $.$ The allowable bearing pressure of the soil under the foundation is $\backslash (330\backslash$mathrm$\{$kN$\}/\backslash$mathrm$\{$m$\}^\{2\}\backslash ).$ Including sketches of your design solution, you are required to:

$($a$)$ Determine the required pad area

$(5$ marks$)$

$($b$)$ Determine the bearing pressure acting on the pad foundation at ultimate limit state and hence calculate the ultimate design moment acting on the pad

$(8$ marks$)$

$($c$)$ Design suitable tensile reinforcement for the pad foundation. Nominal cover for the foundation can be assumed as $\backslash ($ c$\_\{$n o m$\}=50\backslash$mathrm$\{$~mm$\}\backslash ).$

$(10$ Marks$)$

$($d$)$ Complete all necessary shear design checks

$(12$ checks$)$