Question

If the water table is located at the depth D, then the value of W’ is taken as ___________

(a) 1

(b) 0.5

(c) 2

(d) 0

This question was addressed to me in an interview.

Question is from IS Code Method for Computing Bearing Capacity in division Bearing Capacity of Geotechnical Engineering II

Answer 1

Correct choice is (b) 0.5

For explanation I would say: If the water table is located at the depth D or likely to rise at the base of the footing or above, then the value of W’ shall be taken as 0.5.