Slender columns:

For the rectangular column

Dimensions of column $=300500mm,$

$Lu=5\mathrm{.}2m,k=0\mathrm{.}93$

F $\text{'}$c $=25$Mpa,$Fy=420$ Mpa cover to

steel center $=25mm$

$Pu=2200kn,M1u=100kn.m,$

$M2u=135kn.$m on the week axis,

$Pd=620kn$

Double curvature

$1-$ Chick if column is short or long

column

$2-$ Find minimum diameter of steel

bars for column reinforcement if $6$ bars

to be used

Footings:

For footing

$Pd=1200kn\frac{?}{P}$

I $=400kn$

Column dimensions $=300700mm$

Qall for soil $=2\mathrm{.}8k\frac{g}{c}m2$

$F^{\text{'}}c=25$Mpa,$Fy=420$Mpa

Cover to steel center $=70mm$

$1-$ Find area of footing

$2-$ Find footing dimensions

$3-,$ Check if $600$ mm total depth of

footing is enough for normal shear

$4-,$ Check if $600$ mm total depth of

footing is enough for punching shear

$5-$ Find Mu