SHORT COLUMN EFFECT

Seeing the title, many young and entry level civil & structural engineers and students may think of short columns and may feel, is it not good for the column to be short? Yes we all know that when we compare short column and long column, the long column will need slenderness moments to be considered as per IS 456 and short columns need not be designed for any slenderness. However that’s about long columns and columns that are just short. Too much short columns can create undesirable forces in the structure.


What is Short Column?

As per the IS 456 defenition, a column is short when the ratio of effective length of the column to its dimensions are less than 12. So a column can be short in one direction and long in other direction. The column can also be short in e