Question

Punching shear may occur in loose sand with density less than ___________

(a) 45 %

(b) 50 %

(c) 35 %

(d) 20 %

I have been asked this question at a job interview.

Enquiry is from Types of Bearing Capacity Failures in division Bearing Capacity of Geotechnical Engineering II

Answer 1

The correct answer is (c) 35 %

To explain: Punching shear may occur in relatively loose sand with relative density less than 35 %.