Which of the following values of K0 is used to compute the stress in the vicinity of a cylindrical tunnel?
(a) K0 = 1
(b) K0 = μ / 1-μ
(c) K0 = 0
(d) All of the mentioned
I have been asked this question in an interview for job.
This intriguing question comes from Classes of Underground Conduits in division Shafts, Tunnels and Conduits of Geotechnical Engineering II