Civil Engineering - Tunnelling - Discussion

Discussion Forum : Tunnelling - Section 1 (Q.No. 23)
23.
Concrete lining is provided concurrently with the driving operation in case of
rock terrain
soft rock
running soil
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Taqi said:   1 month ago
I think Option C is the right answer.

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