What factor caused the failure of the St. Francis Dam (California, 1928)?
A. Poor rock quality and geological mapping
B. Excessive rainfall
C. Foundation scour
D. Overloading
Answer: Option A
Solution (By Examveda Team)
The St. Francis Dam failed due to lack of understanding of the geological conditions, particularly weak schist and faulted rock under the dam. It highlighted the importance of geological surveys in dam safety.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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