Which case study is best known for using microtunneling in highly populated urban areas?
A. Boston Big Dig
B. Hong Kong MTR Expansion
C. Delhi Metro Phase III
D. Tokyo Subway Upgrade
Answer: Option B
Solution (By Examveda Team)
The Hong Kong MTR Expansion used microtunneling and other trenchless techniques to limit surface disruption in congested city areas.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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