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A double riveted double cover butt joint in plates 20 mm thick is made with 25 mm diameter rivets at 100 mm pitch. The permissible stresses are: σ t =120 MPa; t = 100 MPa; σ C= 150 MPa Find the efficiency of joint, taking the strength of the rivet in double shear as twice than that of single shear.

Question-Answer › Category: Machine Design › A double riveted double cover butt joint in plates 20 mm thick is made with 25 mm diameter rivets at 100 mm pitch. The permissible stresses are: σ t =120 MPa; t = 100 MPa; σ C= 150 MPa Find the efficiency of joint, taking the strength of the rivet in double shear as twice than that of single shear.
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GME asked 9 months ago

A double riveted double cover butt joint in plates 20 mm thick is made with 25 mm diameter rivets at 100 mm pitch. The permissible stresses are: σ t =120 MPa; t = 100 MPa; σ C= 150 MPa Find the efficiency of joint, taking the strength of the rivet in double shear as twice than that of single shear.

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ਸਾਜਿਦ ਅਹਿਮਦ answered 9 months ago

 

Sola Griven Data : p= 100 mm = da 25 mm > t = ao mm > てこ 150 MPa 100 MPa o = 120 MPa ) Shearing Strength in for Double Rivete

→ Pc = ax(25)X(20) X (150) » Pc 150 000 Now, Strength of the plate is given by : » PR þ Xfx of → P b 100 x 20x 120 ☆ P 240000
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