Correct Answer - Option 2 : 32-120
Explanation:
Slenderness ratio:
- It is the ratio of the effective length of a column and the least radius of gyration of its cross-section.
- It is used extensively for finding out the design load as well as in classifying various columns in short/intermediate/long.
\(\lambda = \frac{{{L_e}}}{{{k_{min}}}}\)
\(k = \sqrt {\frac{I}{A}}\)
Leffective = Effective length of the column
kmin = minimum radius of gyration
I = Moment of Inertia
A = Area of the cross-section
|
Type of Column
|
Slenderness Ratio
|
|
Short
|
Less than 32
|
|
Medium
|
32-120
|
|
Long
|
Greater than 120
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