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For a long, simply supported plate in uniaxial compression, the buckling coefficient is close to

  • A.Twenty-five
  • B.Four
  • C.One
  • D.Ten

Answer: B

The coefficient dips to a minimum of four and then oscillates gently about it as the aspect ratio increases, because the plate buckles into a number of roughly square half-waves. Long panels are therefore treated with a value of four regardless of length.

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