When does sliding failure occur in a solid gravity dam?

1. A Option A: Resultant of all forces cuts the base of the dam outside the toe
2. B Option B: Ratio of overturning moments exceeds unity
3. C Option C: Shear friction factor is less than 1.5
4. D Option D: Resultant of all forces cuts the base at the inner middle third point

Answer checked 11 October 2026 · How we write and check questions