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Q: Web crippling in I section steel beams occurs at the points where:
  • A. Concentrated loads act
  • B. Bending moment is maximum
  • C. Deflection is maximum
  • D. Shear force is maximum
Correct Answer: Option A - Web crippling– Usually, the web thickness of steel rolled beam is minimum. • Web is relatively weak when placed under direct compression. • Web crippling in I section steel beams occurs at the points where Concentrated loads act. • Failure of web in direct crushing under concentrated load is known as web crippling or web crimpling.
A. Web crippling– Usually, the web thickness of steel rolled beam is minimum. • Web is relatively weak when placed under direct compression. • Web crippling in I section steel beams occurs at the points where Concentrated loads act. • Failure of web in direct crushing under concentrated load is known as web crippling or web crimpling.

Explanations:

Web crippling– Usually, the web thickness of steel rolled beam is minimum. • Web is relatively weak when placed under direct compression. • Web crippling in I section steel beams occurs at the points where Concentrated loads act. • Failure of web in direct crushing under concentrated load is known as web crippling or web crimpling.