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
D. Permafrost
Answer: Option C
Solution (By Examveda Team)
The Channel Tunnel passed through chalk marl with water-bearing zones, requiring precise alignment and pressure-controlled TBMs.Which geotechnical failure occurred in the 1963 Vajont Dam disaster in Italy?
A. Overtopping of dam
B. Foundation failure
C. Landslide into reservoir
D. Earthquake-induced cracking
What was the main geological issue in the Panama Canal expansion project?
A. Lava flow
B. Marine sediment instability
C. Hard rock tunneling
D. Seismic liquefaction
In the case of the Leaning Tower of Pisa, what caused the leaning?
A. Uneven settlement due to clayey soil
B. Earthquake damage
C. Poor construction material
D. Tectonic movement
Which engineering technique stabilized the Hong Kong slopes after landslide disasters?
A. Tunneling
B. Shotcreting and soil nailing
C. Earth reinforcement
D. Floating raft foundation
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