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The critical buckling load is sometimes called the _______ load.

Using the column load tables, select the lightest W14-shape with an effective length of 15 ft that will support an LRFD design load of 650 kips.

The ratio of the length divided by the radius of gyration (L/r) is known as the _______ ratio.

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

Determine the Euler bucking load for a HSS7 x 5 x 1/2 structural steel column that is 15 ft long.

A W10 x 77 column is made from ASTM A36 steel and has a length of 22 ft. The column is only supported at its ends. One end is fixed and the other is pinned. Determine the critical stress, Fcr, for this column, which is also called nominal stress, Fn, in AISC 360-22.

Can a W14 x 53 column with an effective length of 6 feet support a dead load of 80 kips and a live load of 80 kips? Use LRFD.

A W10 x 77 column is made from ASTM A572 Gr. 60 steel and has a length of 20 ft. The column is only supported at its ends. One end is fixed and the other is pinned. Determine the elastic buckling stress, Fe, for this column.

A W14 x 90 column is made from ASTM A572 Gr. 42 steel and has a length of 17 ft. The column is only supported at its ends. One end is fixed and the other is pinned. Determine the elastic buckling stress, Fe, for this column.

Is a W-shape with the following details considered slender according to AISC 360 Table B4.1a?bf/2tf = 12h/tw = 26Fy = 54 ksi