The Rankine's formula for column is given by
Where
sc - Crushing stress
A - C. S. area of the column
a - Rankine's constant
L - Equivalent length of the column
K - Least radius of gyration
Rankine’s formula is applicable to both short and long columns because it considers both crushing and buckling failures.
Let,
1. Crushing Load:
2. Euler Buckling Load:
Rankine’s formula
Where,
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