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Effective width, as applied to a buckled compression panel, means

  • A.The strip of skin still carrying stress
  • B.The full width of the panel between stiffeners
  • C.The width of the stiffener flange only
  • D.The width over which the rivets are spaced

Answer: A

After buckling the middle of a panel sheds load while material close to the stiffener continues to carry it. Counting only that effective strip keeps the section properties honest and is the standard treatment in a compression-critical structure.

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