Question: Two plates 16 mm thick are joined by a double riveted lap joint. The pitch of each row of rivets is 90 mm. The rivets

Two plates 16 mm thick are joined by a double riveted lap joint. The pitch of each row of rivets is 90 mm. The rivets are 25 mm in diameter. The permissible stresses are as follows:

σ_t = 140 MPa; τ = 110 MPa and σ_c = 240 MPa.

Find the efficiency of the joint

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