Question:

Select the lightest column section for column AB in the frame shown. The column is under

an ultimate load of 800 k, and only in-plane behavior is considered (x-x Axis). Furthermore,

assume that the columns immediately above or below AB are the same size as AB. All beams

are of W16x100 sections. Fy 50 ksi. Assume Inelastic Behavior. Assume any appropriate

assumption.

Solution:

27 ft

B

A

27 ft

15 ft

15 ft

15 ft