UPSC Civil Service Exam Questions - Engineering

Q1:

A circular area of radius 'R' on the surface of a semi-infinite soil mass is uniformly loaded with a loading intensity of 'q'. The vertical stress σz directly below its centre at a depth 'z', is given by

A

B

C

D

ANS:C -

According to the question, answer B is correct for the "UDL loading" condition.

And option C is correct for normal loading or concentrated loading conditions.