Column. A bar or a member of a structure inclined at 90° to the horizontal and carrying an axial compressive load is called a column.
Slenderness ratio. The ratio of the equivalent length of the column to the least radius of gyration is called the slenderness ratio.
Buckling load. The minimum axial load at which the column tends to have lateral displacement & buckle is called the buckling, crippling or critical load.
Equivalent length. It is the length of the column which gives the same bthkhflg otd , as given by a both ends hinged column.
Short Column. A column for which the slenderness ratio is less than lied a short column.
Medium Column. A column for which the slenderness ratio lies between 32 and 120 is called a medium column.
Long Column. A column for which the slenderness ratiQ is more than 120 called a long column.
Safe load. It is the load under which the column will not buckle.
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