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A Beam is Said to be of Uniform Strength, if

By BYJU'S Exam Prep

Updated on: September 25th, 2023

A beam is said to be of uniform strength, if-

  1. B.M. is same throughout the beam.
  2. Deflection is same throughout the beam.
  3. Bending stress is same throughout the beam.
  4. Shear stress is same throughout the beam.

Answer: C.  Bending stress is same throughout the beam

A beam is said to be of uniform strength, if bending stress is same throughout the beam.

Solution

In a beam of uniform strength bending stress developed due to external load at any section of the beam is same throughout the beam 

  • A beam of uniform strength can be make by either changing its depth or changing its width along the length of the beam
  • Beam of uniform strength is the most economical beam in terms of the saving the material
  • At the time of failure, maximum stress at any section in the beam is same as the permissible stress of the material of the beam

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