Question: ( 1 3 pts ) A column to be used in compression is constructed using two C 8 1 1 . 5 steel channels with

(13 pts) A column to be used in compression is constructed using two C 811.5 steel channels
with lacing bars as shown below. This column will be supported such that its effective length is
27'. For a factor of safety of 1.85, and an allowable centric load of 70Kips, find the required
spacing of the channels "d". Use E=29E6 psi
( 1 3 pts ) A column to be used in compression is

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