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Homework Help: Finding the average shear stress

  1. Jun 17, 2015 #1
    1. The problem statement, all variables and given/known data
    Find the shear stress alone the cylindrical area of the plate, and the average shear stress in the bolt head along the cylindrical area.

    the plate is 30 mm thick

    bolt head is 8 mm thick

    bolt head diameter is 18mm

    bolt shank diameter is 7 mm

    shank has 8 kn along it

    2. Relevant equations
    Ultimate Shear Stress Equation:
    T(u) = F/A

    Area of a Circle: A = (pi*d^2)/4

    3. The attempt at a solution

    For the plate, would i plug 8 kN into "F" variable, and multiply the area of the bolt head by the thickness of the plate??

  2. jcsd
  3. Jun 17, 2015 #2
    What is the annular area of the shank? What is the axial force acting on this area? What is the normal stress on the shank?

  4. Jun 17, 2015 #3
    thanks for the reply chet however i have already solved this problem. The only thing needed was a clear head. Once again thanks for the response it is appreciated.
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