Problem $9$:

Determine the allowable load on the joint shown below. The rivets are all steel rivets ASTM A$502$ grade $2(S_{ys}=22$ksi $).$ The plates are all ASTM A$242$ steel $(S_y=50$ksi,$S_u=70$ksi $).$ Guidelines: ${}_{ta}=0\mathrm{.}6S_y$ and ${}_{ba}=1\mathrm{.}2S_u.$ Final Load Answer should be $37000$ lb