Which of the following is an example of proactive geotechnical monitoring in large-scale tunneling?
A. GPR survey before excavation
B. Preloading of soil
C. Use of surface tiltmeters and extensometers
D. Use of blasting in hard rock
Answer: Option C
Solution (By Examveda Team)
Surface tiltmeters and extensometers are widely used in real-time monitoring of ground movement during tunneling to prevent failures.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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