In the Banihal-Qazigund railway tunnel, what was the main hazard encountered?
A. Glacial till
B. High in-situ stress
C. Water ingress in fault zones
D. Methane release
Answer: Option C
Solution (By Examveda Team)
The tunnel passed through the Himalayan geology with several fault zones. Water ingress in these fault zones posed continuous hazard during construction.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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