In the Three Gorges Dam project, what was the primary geological hazard?
A. Lava flows
B. Seismic activity and landslides
C. Desertification
D. Volcanic ash layers
Answer: Option B
Solution (By Examveda Team)
The project area is prone to seismic activity and landslides due to the steep river gorges and fault lines, requiring extensive slope stabilization and monitoring.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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