Question

A dam is the one in which the external forces (water pressure, wave pressure, silt pressure uplift pressure) are resisted by the weight of the dam itself.

Rockfill dam

Gravity dam

Earhen dam

Spillways​

Answer 1

Answer:

Explanation:

A gravity dam is designed in such a way that it resists all external forces acting on the dam like water pressure, wind pressure, wave pressure, ice pressure, uplift pressure by its own self-weight. Gravity dams are constructed from masonry or concrete.