The primary failure cause in the St. Francis Dam disaster (1928) was related to:
A. Earthquake
B. Rainfall-induced landslide
C. Poor foundation geology
D. Overflow erosion
Answer: Option C
Solution (By Examveda Team)
The St. Francis Dam failed due to unrecognized weak sedimentary rock at the foundation. The left abutment was composed of schist that weakened when saturated, leading to collapse.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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