A steel column of hollow circular with length, L is shown in Figure 2. The column crosssection has an outside diameter, D = 350 mm, an inner diameter, d = 300 mm andthickness, t. Determine the average...

A steel column of hollow circular with length, L is shown in Figure 2. The column cross
section has an outside diameter, D = 350 mm, an inner diameter, d = 300 mm and
thickness, t. Determine the average normal stress developed on the cross section if
the support load, F is 2000 kN.