Question: A W 1 2 x 5 0 section ( made from 5 0 ksi A 9 9 2 steel ) is to be selected to

A W12x50 section (made from 50 ksi A992 steel) is to be selected to support the axial compressive loads of D =100 k and L =200 k. The member is 36 ft long with pinned top and bottom and is to have lateral support at its one-quarter points, perpendicular to the yaxis (pinned). Please check its adequacy.

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