Question $1$

Specification of a select column is $4000$ psi concrete strength, Grade $60$ steel reinforcements to be used. The column will be $12$ ft in height being loaded by $125-$kip dead load and $150$ kips live load. If eccentricity of load is $0\mathrm{.}56$ ft from the centroid of the column, complete the following:

a$)$ Design the tied$-$column cross sections and check the slenderness ratio for the column.

b$)$ Design the steel reinforcement and spacing for the longitudinal and ties bars.

$(25$ marks$)$

c$)$ Draw a typical cross section of the column showing the bars and ties.

$(10$ marks$)$