Civil Engineering - UPSC Civil Service Exam Questions - Discussion

14. 

A mild steel flat subjected to a tensile force of 84 tonnes is connected to a gusset plate using rivets. If the forces required to shear a single rivet, to crush the rivet and to tear the plate per pitch length are 5000 kg, 8000 kg and 6000 kg respectively, then the number of rivets required is

[A]. 12
[B]. 14
[C]. 16
[D]. 17

Answer: Option D

Explanation:

No answer description available for this question.

Ravi said: (Jul 27, 2015)  
Explain please.

Abhay said: (Feb 3, 2016)  
Strength of joints = Minimum of forces required to shear a single rivet, to crush the rivet and to tear the plate per pitch length.

= 5000 kg.

Number of rivets required to transmit pull of 84 tonnes = 84000/5000 = 16.8 say 17.

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