What lesson was learned from the Vajont disaster regarding geological surveys?
A. Chemical analysis is essential
B. Soil mechanics is secondary
C. Rock mass behavior must be studied
D. Concrete strength governs all
Answer: Option C
Solution (By Examveda Team)
The disaster showed that rock mass behavior and slope geology must be thoroughly investigated; the failure occurred due to a massive rockslide into the reservoir, not dam failure.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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