The primary reason behind the success of the Jubilee Line Extension (London) in geotechnical terms was:
A. Blasting techniques
B. Segmental lining and earth pressure balance TBMs
C. Open excavation method
D. Dewatering systems
Answer: Option B
Solution (By Examveda Team)
The extension's success was attributed to the use of earth pressure balance TBMs and segmental linings for soft ground tunneling under sensitive structures.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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