Question: A W 1 4 1 7 6 , A 9 9 2 member is proposed for use as a 1 2 . 5 f t

A W 14176,A992 member is proposed for use
as a 12.5ft column in a moment frame. The frame is
designed so that under a service lateral load H=120
kips, the frame drifts no more than L500. The total
story load, Pstory, is 15 times the individual column
load. Analysis results are from a first-order analysis.
Will this member be adequate to carry a no-
translation compressive dead load of 160 kips and
live load of 490 kips? The top of the column is
loaded with a no-translation dead load moment of 15
ft-kips and a no-translation live load moment of 30ft-
kips. The translation moments applied to that column
end are a dead load moment of 80ft-kips and a live
load moment of 250ft-kips. The column is bending
about the strong axis. The lower end of the column is
considered pinned and the effective length factor is
taken as 1.5. Determine by (a) LRFD and (b) ASD.
A W 1 4 1 7 6 , A 9 9 2 member is proposed for

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