Question

The critical stress for elastic plate buckling depends upon.
1. Support conditions.

2. Width to thickness ratio.

3. Elastic properties of plate material

4. length to width ratio.

• A. 1, 2 and 3
• B. 2 and 4 only
• C. 2, 3 and 4
• D. 1, 2, 3 and 4

Answer 1

The correct option is D 1, 2, 3 and 4

For plate buckling, the critical stress is determined from the equation:
${\sigma }_{cr}=\frac{k{\pi }^{2}E}{12(1-{\mu }^2)(b/t{)}^2}$
Where $k$ is a buckling coefficient which depends on support conditions and length to width ratio. $E$ and $\mu$ are elastic properties of material.