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Two lengths of mild steel tie rod having width 200 mm and thickness 12.5 mm are to be connected by means of a butt joint with double cover plates. Design the joint if the permissible stresses are 80 Mega Pascal in tension, 65 MPa in shear and 160 MPa in crushing. Make a sketch of the joint

Question-AnswerCategory: Machine DesignTwo lengths of mild steel tie rod having width 200 mm and thickness 12.5 mm are to be connected by means of a butt joint with double cover plates. Design the joint if the permissible stresses are 80 Mega Pascal in tension, 65 MPa in shear and 160 MPa in crushing. Make a sketch of the joint
GME asked 7 months ago

Two lengths of mild steel tie rod having width 200 mm and thickness 12.5 mm are to be connected by means of a butt joint with double cover plates. Design the joint if the permissible stresses are 80 Mega Pascal in tension, 65 MPa in shear and 160 MPa in crushing. Make a sketch of the joint

1 Answers
ਸਾਜਿਦ ਅਹਿਮਦ answered 7 months ago

ACCORDING TO THE DATA GIVEN IN THE QUESTION,
Solution. Given: b= 200 mm;t= 12.5 mm; 0,= 80 MPa = 80 N/mm²; 1= 65 MPa = 65 N/mm²;
o = 160 MPa = 160 N/mm2
1. Diameter of ri2
--
70
200
-
35
55
+354 55 55 35
8.4
12.5
-8.4
Fig. 9.20. All dimensions in mm.
4. Thickness of butt straps
We know that thiSince the strength of the joint is the least value of P1, P2, P3, P, and P, therefore strength of
the joint
= 178 500 N along

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