Civil Engineering - Tunnelling - Discussion

Discussion :: Tunnelling - Section 1 (Q.No.29)


For full face method, the excavation to be done is generally divided into

[A]. two sections
[B]. three sections
[C]. four sections
[D]. five sections.

Answer: Option B


No answer description available for this question.

Vaibhav P said: (Dec 5, 2017)  
Correct answer is Single Section.

Full Face = Complete Face Section at once.
Full face method is exclusively used for tunnel sections of lesser c/s area. The method involves excavation of the whole section at once limited to certain depth in the direction of tunneling. Working of TBM falls under this category.

Umesh Y said: (Sep 19, 2019)  
Exactly @Vaibhav P.

I don't get it how the answer is three.

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