Q30
What failure mechanism caused the collapse of the Teton Dam (USA, 1976)?
A.
Cracking due to earthquakes
B.
Hydraulic piping in erodible material
AnswerC.
Fault rupture
D.
Snow melt flooding
Answer: Option B
Solution
Answer: Option B
Solution:
The Teton Dam failed due to internal erosion (piping) through vulnerable soil in the dam�s right abutment. This is a key lesson in seepage control and foundation assessment.