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GATE 2018 CE (CE2) – Question 16

Solid Mechanics · Column buckling · 1 mark · Multiple choice

A compression member has translation and rotation restrained at one end, and only translation restrained at the other. According to IS 456:2000 as referred to in the paper, the recommended design effective-length factor is ______.

  1. 0.50
  2. 0.65
  3. 0.70
  4. 0.80

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Correct answer: (D) 0.80

Explanation

The stated historical design recommendation for fixed–pinned end conditions is an effective length of 0.80L (D). This design factor differs from the ideal elastic Euler fixed–pinned factor, approximately 0.70.