Question: A 1 0 - ft - long, 2 8 0 - in ? 2 rectangular column has a pure compression factor ( K n )

A 10-ft-long, 280-in ?2 rectangular column has a pure compression factor (Kn) of 0.85 and an eccentricity of 2.8 in. The ratio gamma will be taken as 0.80.fc=4,000 psi, fy=60,000 psi. The steel reinforcing ratio is 0.030. Determine how tall the column cross section is.
A 1 0 - ft - long, 2 8 0 - in ? 2 rectangular

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