What was the major challenge in constructing Metro tunnels beneath heritage structures in Kolkata?
A. Seismicity
B. Ground vibration control
C. Hard rock tunneling
D. Tunnel boring in permafrost
Answer: Option B
Solution (By Examveda Team)
Vibration control was essential to protect Kolkata�s heritage structures. Special TBMs and real-time monitoring systems were used to minimize ground movements.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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