【Daily Question】Theoretical Foundation 2020.03.26
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Multiple-choice question: The steel plate is fixed to the support with two rivets, each with a diameter of d. Under the load shown in Figure (a), the maximum shear stress in the rivets is ( ). Answer: C Hint: An extra reward will be given to those who can explain the solution process; the answer can be seen there!
Assume that the directions of the forces acting on the two rivets are unknown; denote them as F1 and F2
None of the 4 answers is correct; the shear stress generated by the torsional moment also needs to be considered, which is the vector sum of the downward shear stress and the circumferential shear stress divided by the shear area.