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Difference Between Short Column And Long Column

There are different types of columns used in structures. In our previous article, we have already discussed that topic. In this article, I will discuss, the difference between short column and long column.


What is Short Column?

When the ratio of the effective length of a column to its least lateral dimension does not exceed 12, it is called short column.

What is long column?

When the ratio of the effective length of a column to its least lateral dimension exceeds 12, it is called long column.

Difference Between Short Column And Long Column:

Short Column Long Column
1. The ratio of the effective length to its least lateral dimension is less than 12. 1. The ratio of the effective length to its least lateral dimension is greater than 12.
2. The slenderness of short column is less than 45. 2. The slenderness of long column is greater than 45.
3. Less radius of gyration.3. Greater radius of gyration.
4. The load-carrying capacity of short column is greater than long column. 4. The load-carrying capacity is less compared to short column of same cross-sectional area.
5. Stronger than long column and highly preferrable.5. Weaker than short column and generally not preferred.
6. Short column is subjected to compressive stress.6. Long column is subjected to buckling stress.
7. Mechanical failure mainly occurs due to shearing.7. Long columns are liable to fail due to buckling.

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