Question

Diameter of head for button head rivet is ______

(a) 1.60d, where d=nominal rivet diameter

(b) 2.5d, where d=nominal rivet diameter

(c) 3d, where d=nominal rivet diameter

(d) 5d, where d=nominal rivet diameter

The question was asked in a job interview.

My enquiry is from Riveted Connections topic in portion Bolted Connections of Design of Steel Structures

Answer 1

The correct answer is (a) 1.60d, where d=nominal rivet diameter

For explanation: Diameter of head for

 (i) button head rivet = 1.6d,

 (ii) flat countersunk head = 1.5d,

 (iii) flat head = 2d, where d=nominal rivet diameter.