Problem$4)$ The column loads shown are: $Pu=785$ ton, $=27\mathrm{.}1$ ton$-$m$.$ Check column

strength according to known criteria.

Indicate PASS$/$FAIL using the I.D$.$ appropriate.

Use a coating $d^{\text{'}}=10\mathrm{.}5cm$; with $fy=4,200k\frac{g}{c}m2,f^{\text{'}}c=k\frac{g}{c}m2$

Review Pu Relationships

NOTE: detail your traces$/$notations on the D$.$I. with PAINT or similar, and include it in the

answers PDF$.$