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Select the lightest HP16 column with an effective length of 15 feet that can support a dead load of 220 kips and a live load of 660 kips. Assume Fy = 50 ksi. Use LRFD.

A W12 x 50 column is made from ASTM A36 steel and has a length of 16 ft. The column is only supported at its ends. One end is fixed and the other is pinned. Determine the allowable strength, Pn/Ωc, for this column. Assume the shape is nonslender.

A W14 x 90 column is made from ASTM A36 steel and has a length of 15 ft. The column is only supported at its ends. Both ends are fixed. Determine the design strength, φcPn, for this column. Assume the shape is nonslender.

A W10 x 77 column is made from ASTM A572 Gr. 60 steel and has a length of 35 ft. The column is only supported at its ends. One end is fixed and the other is pinned. Determine the allowable strength, Pn/Ωc, for this column. Assume the shape is nonslender.

Determine the Euler bucking stress for a structural steel column that has a length of 9 feet and a radius of gyration of 2.5 inches.

A W14 x 90 column is made from ASTM A588 steel and has a length of 18 ft. One end is pinned. The other end is fixed against rotation but free to translate. Determine the effective slenderness ratio.

A W10 x 77 column is made from ASTM A572 Gr. 60 steel and has a length of 31 ft. The column is only supported at its ends. Both ends are fixed. Determine the allowable strength, Pn/Ωc, for this column. Assume the shape is nonslender.

A W16 x 50 column is made from ASTM A36 steel and has a length of 38 ft. The column is only supported at its ends. Both ends are pinned. Determine the critical stress, Fcr, for this column, which is also called nominal stress, Fn, in AISC 360-22.

Determine the Euler bucking stress for a structural steel column that has a length of 10 feet and a radius of gyration of 3.4 inches.

A WT10.5×91 beam made from A992 steel would be classified as _______.