Solved: Two 89 3 64-mm angles are bolted together as shown
Chapter 10, Problem 10.84(choose chapter or problem)
Two 89 3 64-mm angles are bolted together as shown for use as a column of 2.4-m effective length to carry a centric load of 325 kN. Knowing that the angles available have thicknesses of 6.4 mm, 9.5 mm, and 12.7 mm, use allowable stress design to determine the lightest angles that can be used. Use \(\sigma_{Y}=250 \mathrm{MPa}\) and E = 200 GPa.
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