Transcription of Role of Dams for Irrigation, Drainage and Flood Control
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Role of Dams for Irrigation, Drainage and Flood Control
Dams andstakeholders2 Dams - large and smallAlthough dams have been built in the world since timesimmemorial, large dam construction was earlier notpossible though needed, because of lack of adequatedesign knowledge, construction equipment, newmaterials like cement and concrete and technology ofconstruction. Also, economic conditions and institutionalcapacity existing in countries that needed large dams,did not enable them to take them up. The large damconstruction became possible during the 20th centurymainly because of advances made in Science andTechnology, which enabled mechanisation ofconstruction processes and speedier design procedures and new constructionmaterials enabled the design of larger dams and theircomponents to take on much higher loads and , the needy countries had mobilised finances andbuilt up their capacity by then.
6 Large dams Under what situations large storages are necessary and feasible for promoting irrigation, drainage or flood control vary according to agroclimatic setting.
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