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Please tell what is a dam

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Please tell what is a dam
  • 1 answers

Meghna Thapar 5 years, 6 months ago

A dam is a large wall or barrier that blocks or stops the flow of water, forming a reservoir or a lake. Most dams have a section called a spillway or weir over which, or through which, water flows, either sometimes or always. Three common types of concrete dams are: gravity, buttress and arch. Gravity: Concrete gravity dams are the most common form of concrete dam. The mass weight of concrete and friction resist the reservoir water pressure.

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