The rotational stiffness coefficient K11 for the frame having two members of equal \(EI/L\) is given by

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BPSC AE Paper V Civil 19 Dec 2024 Official Paper
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  1. \(7 EI/L\)
  2. \(9 EI/L\)
  3. \(8 EI/L\)
  4. \(6 EI/L\)

Answer (Detailed Solution Below)

Option 1 : \(7 EI/L\)
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Detailed Solution

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Explanation:

KCB = 4EI/L (Far end is fixed)

KCA = 3EI/L (Far end is pinned)

K11 = KCB KCA 

      = 4EI/L + 3EI/L  = 7EI/L

F1 A.M Madhu 04.05.20 D 10

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