Q66
Which type of rock was primarily encountered during tunneling in the Brenner Base Tunnel?
A.
Granite
B.
Schist
C.
Flysch (interbedded shales and sandstones)
AnswerD.
Limestone
Answer: Option C
Solution
Answer: Option C
Solution:
The Brenner Base Tunnel traverses Flysch formations, a mix of soft and hard sedimentary rocks, requiring adaptive TBM strategies and support systems.