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Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 03/26/22 1 Hareesha N Gowda, DSCE, Blore-78

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Page 1: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

Riveted Joints

Hareesha N GDept. of Aeronautical Engg

Dayananda Sagar College of EngineeringBangalore-78

04/18/23 1Hareesha N Gowda, DSCE, Blore-78

Page 2: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

Introduction• A rivet is a short cylindrical bar with a head integral to it. The

cylindrical portion of the rivet is called shank or body• and lower portion of shank is known as tail.• The rivets are used to make permanent fastening between the

plates such as in structural work, ship building, bridges, tanks and boiler shells.

• The riveted joints are widely used for joining light metals.

204/18/23 Hareesha N Gowda, DSCE, Blore-78

Page 3: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

Types of Rivet Heads

304/18/23 Hareesha N Gowda, DSCE, Blore-78

Page 4: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

Types of riveted joints1. Lap joint2. Butt joint• Lap joint: A lap joint is that in which one plate overlaps the

other and the two plates are then riveted together.• Butt joint: A butt joint is that in which the main plates are kept

in alignment butting (i.e. touching) each other and a cover plate (i.e. strap) is placed either on one side or on both sides of the main plates. The cover plate is then riveted together with the main plates.

Butt joint

Lap joint 404/18/23 Hareesha N Gowda, DSCE, Blore-78

Page 5: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

Important Terms Used in Riveted Joints• The following terms in connection with the riveted joints are

important from the subject point of view :1. Pitch. It is the distance from the centre of one rivet to the centre of

the next rivet measured parallel to the seam as shown in Fig. It is usually denoted by p.

2. Transverse pitch. It is the perpendicular distance between the centre lines of the successive rows as shown in Fig. It is usually denoted by pt.

3. Diagonal pitch. It is the distance between the centres of the rivets in adjacent rows of zig-zag riveted joint as shown in Fig. It is usually denoted by pd.

4. Margin or marginal pitch. It is the distance between the centre of rivet hole to the nearest edge of the plate as shown in Fig. It is usually denoted by m.

04/18/23 5Hareesha N Gowda, DSCE, Blore-78

Page 6: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

Proportions of dimensions of riveted joints• Thickness of plate

t = Thickness of the plate• Diameter of rivets.the diameter of the rivet hole (d) may be determined by using

• Distance of centre of the rivet from edge of the plate = 1.5d

• Margin , m=d• Longitudinal Pitch p=3d• Transverse pitch pt = 0.8P for chain riveting

= 0.6P for zig-zag riveting• Thickness of butt strap. Single cover plate t1 = 1.125 t Double cover plate t2 = 0.7 to 0.8t04/18/23 6Hareesha N Gowda, DSCE, Blore-78

Page 7: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

• Types of Riveted joints

04/18/23 7Hareesha N Gowda, DSCE, Blore-78

Page 8: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

• Double Riveted lap joints

04/18/23 8Hareesha N Gowda, DSCE, Blore-78

Page 9: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

• Double Riveted Zig zag Lap joint

04/18/23 9Hareesha N Gowda, DSCE, Blore-78

Page 10: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

• Single riveted, single strap butt joint

04/18/23 10Hareesha N Gowda, DSCE, Blore-78

Page 11: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

• Single riveted, double strap butt joint

04/18/23 11Hareesha N Gowda, DSCE, Blore-78

Page 12: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

• Double riveted, double strap chain butt joint

04/18/23 12Hareesha N Gowda, DSCE, Blore-78

Page 13: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

• Double riveted, double strap zig zag butt joint

04/18/23 13Hareesha N Gowda, DSCE, Blore-78

Page 14: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 14Hareesha N Gowda, DSCE, Blore-78

Page 15: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 15Hareesha N Gowda, DSCE, Blore-78

Page 16: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 16Hareesha N Gowda, DSCE, Blore-78

Page 17: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 17Hareesha N Gowda, DSCE, Blore-78

Page 18: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 18Hareesha N Gowda, DSCE, Blore-78

Page 19: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 19Hareesha N Gowda, DSCE, Blore-78

Page 20: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 20Hareesha N Gowda, DSCE, Blore-78

Page 21: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 21Hareesha N Gowda, DSCE, Blore-78

Page 22: Riveted Joints Hareesha N G Dept. of Aeronautical Engg Dayananda Sagar College of Engineering Bangalore-78 5/12/20151Hareesha N Gowda, DSCE, Blore-78

04/18/23 22Hareesha N Gowda, DSCE, Blore-78


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