Q121
Which tunneling project used the "New Austrian Tunneling Method (NATM)" effectively in difficult rock conditions?
A.
Gotthard Base Tunnel
B.
Boston Big Dig
C.
Brenner Base Tunnel
AnswerD.
Delhi Metro
Answer: Option C
Solution
Answer: Option C
Solution:
The Brenner Base Tunnel utilized the NATM, which adapts support systems based on actual rock behavior during excavation, especially effective in variable Alpine geology.