A ppt on

Aryan institute of Technology (Ghaziabad) Presented By-Suneel kumar Submitted To -

Prop. Ruby

DAM

What is a dam ?

• A dam is a solid barrier constructed at a suitable location across a river valley to the purpose of storage of water.

Classification of dam

Regulate water flow and Flood ControlSediment ControlDrought ControlTime for endangered species to be movedTo another suitable location.IrrigationNavigation ImprovementGeneration of hydro-electric powerCan be made to suit geology, can be placed in narrow andWide valleys. In rock or soil types.

Advantages of Dams

Disadvantages Initial cost for construction of gravity dams is very

higher. Gravity dams of greater height can only be constructed

on sound rock foundations. Require skill labour for construction . Design of gravity dams is very complicated

Selection of sites Topography Geology Material availability Location and population Economically

Thank you