In “full face” method of constructing tunnels, the first operation relates to?

Removal of bottom portion
Excavation of one drift in the centre
Removal of top portion
Excavation being done along the periphery

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 4

4 views Answered 2022-09-01 13:21

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