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Geological Engineering · Q44

Case Studies and Applied Geological Engineering Projects

Engineering and GATE · Geological Engineering · question 44

Q44

What was a unique geological challenge during the Channel Tunnel (UK-France) construction?

A.
Cross-cutting fault
B.
Soft soil liquefaction
C.
Water-bearing chalk marl
Answer
D.
Permafrost

Answer: Option C

Solution

Answer: Option C
Solution:
The Channel Tunnel passed through chalk marl with water-bearing zones, requiring precise alignment and pressure-controlled TBMs.