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Select the most economical W12 column 22.5 feet in height to support an unfactored axial dead...

Select the most economical W12 column 22.5 feet in height to support an unfactored axial dead load of 370 kips using A572 grade 50 steel. Assume that the column is pinned at both the top and base. **Dead load factor is 1.4 for dead load only cases.

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Answer #1

Given that fy = soksi Pu = 1:48D = 1.48370 = 518 kips KL 14 22.5 22.5ft [here for both pinned case Assume k = 100 from table

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