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Stiffness modification method

  1. Jan 27, 2017 #1
    1. The problem statement, all variables and given/known data
    I dont understand why the stiffness for span have extension pin stated from original stiffness ...

    2. Relevant equations


    3. The attempt at a solution
    According to online notes , for the far end pin / roller , the k is 3EI / L but not 3EI ***/ 4*** , is the notes wrong ?
     

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  2. jcsd
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