what is the diameter of each rivet if the shear stress, not to exceed 40N/mm2?

Question

Three plates are held together by two cylindrical rivets, as shown in figure 1. If a direct pull of 5 kN is applied between one plate and the other two as shown.
ii.	Calculate the diameter of each rivet if the shear stress, not to exceed 40N/mm2.

? · Accepted Answer

5 kN/(3*pi*r^2) <= 40 N/mm^2 =>
5000 N/40 N <= (3*pi*r^2)/(1 mm^2) =>
125 mm^2 <= 3*pi*r^2 =>
r^2 >= (125 mm^2)/(3*pi) = 13.263 mm^2 =>
r greater than or equal to 3.642 mm =>
Diameter greater than or equal to 7.3 mm.

Anonymous · Answer

Idk man k man

what is the diameter of each rivet if the shear stress, not to exceed 40N/mm2?

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