Question

in case of a gravity dam the main overturning force is

Answer 1

Answer:

Water pressure Water pressure on the upstream face is the main destabilizing (or overturning) force acting on a gravity dam. Tail water pressure helps in the stability. The water pressure always acts normal to the face of dam.

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Answer 2

• In the case of a gravity dam, the main overturning force is water pressure.

• Other external forces are wave pressure, silt pressure, pressure due to earthquake forces, etc.

• Water pressure is the major external force acting on the gravity of the dam.

• Earthquake produces waves that are capable of shaking the Earth.

• Water pressure, wave pressure which simulates against the gravity of the dam causes overturning.