Which of the following values of K0 is used to compute the stress in the vicinit

Question - Which of the following values of K0 is used to compute the stress in the vicinity of a cylindrical tunnel?

Options:

A . K0 = 1

B . K0 = μ / 1-μ

C . K0 = 0

D . All of the mentioned

Answer: Option D
Answer: (d).All of the mentioned

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