Q174
What failure occurred in Vajont Dam due to a geological oversight?
A.
Overflow
B.
Uplift pressure
C.
Reservoir-triggered landslide
AnswerD.
Fault slip
Answer: Option C
Solution
Answer: Option C
Solution:
A massive reservoir-triggered landslide in 1963 displaced water, causing a deadly wave to overtop the dam. The slope instability was due to underestimation of clay layers and fractured rock.