Question: The column section shown below carries an axial load P D = 1 3 0 kips and a moment M D = 1 4 5

The column section shown below carries an axial load

P_{D} = 130

kips and a moment

M_{D} = 145 f t -

kips due to dead load and an axial load

P_{L} = 150

kips and a moment

M_{L} = 80 f t -

kips due to live load. The column is part of a frame that is braced against sidesway and bent in single curvature about its major axis. The unsupported length of the column is

l_{u} = 24 f t,

and the moments at both ends of the column are equal

(

.

., M_{1} = M_{2}) .

Find the magnified design moment.

The column section shown below carries an axial

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