Civil Engineering - Tunnelling - Discussion

Discussion Forum : Tunnelling - Section 1 (Q.No. 3)
3.
In case of drift method of tunnelling, the drift may be excavated at
the centre
the bottom
the top
the side
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Parth Trivedi said:   7 years ago
Drift method is concerned with expansion of hole by blasting, so hole may be at top, bottom, centre or at sides of it.

Akshata sunil said:   3 years ago
Yes, right @Parth Trivedi.

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