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Thread: Shear Stress Confusion

  1. #1
    Associate Engineer
    Join Date
    Sep 2017

    Shear Stress Confusion

    I'm confused when to use QV/(Ib) vs. V/A. It seems like the only time I would use QV/(Ib) is when bending is present. Would I be correct?

  2. #2
    Kelly_Bramble's Avatar
    Join Date
    Feb 2011
    Bold Springs, GA
    What is QV/Ib? Resultant stress should be analyzed in all planes as applicable.

  3. #3
    Lead Engineer Cake of Doom's Avatar
    Join Date
    Aug 2012
    VQ/Ib is used to determine shear stress that results from the shear flow between layers of say, lengths of timber bolted together to form a beam and you need to find the shear stress at the bolt centres to determine the correct size, grade, etc.

  4. #4
    Associate Engineer
    Join Date
    Mar 2018
    I'm not sure if I'm posting in the right place, but I did have a question that involves stresses, so I hope you guys can help me out
    This question appeared in the Indian Engineering Services exam (IES) 2017 and I just need to know how to approach this question.
    I tried a lot of Indian forums but their approach is just confusing and I'm here for guidance.
    This is the google drive link to the question paper and the question number is 4 subsection a.Mechanical_Engg_2_1 (1).pdf

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