The Gotthard Base Tunnel in Switzerland is notable for:
A. Longest underwater tunnel
B. Deepest tunnel through hard rock
C. Tunneling through lava fields
D. Tunnel collapse during drilling
Answer: Option B
Solution (By Examveda Team)
The Gotthard Base Tunnel is the deepest and longest railway tunnel through the Alps, involving complex rock mechanics and geological mapping.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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