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Homework Help: Stiffness factor for member in beam

  1. Jan 26, 2017 #1
    1. The problem statement, all variables and given/known data

    In this question , I dont understand why the KBC is 4EI / L ....
    2. Relevant equations

    3. The attempt at a solution
    I was told that for the far end pinned or roller supported , the K = 3EI / L , so shouldn't the KBC = 3EI / L

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  2. jcsd
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