Which geological technique was used in tunneling for Metro Rail projects in Delhi?
A. Cut and cover with blasting
B. Slurry shield Tunnel Boring Machine
C. Open-pit excavation
D. Jet grouting
Answer: Option B
Solution (By Examveda Team)
The slurry shield TBM was used to handle soft soils and high groundwater pressure in Delhi Metro construction. This method prevents face collapse and reduces surface settlement.This Question Belongs to Geological Engineering >> Case Studies And Applied Geological Engineering Projects
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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