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en.wikipedia.org/wiki/Dam

A dam is a barrier that stops or restricts the flow of water or underground streams. Reservoirs ... Two dams called Ha-Uar running east-west were built to retain water during the annual flood and then release it to surrounding lands. The lake ...

www.wikihow.com/Dam-a-River

Divert the river. Typically you can do this by digging/blasting out a series of trenches leading from well-upstream of the dam site to somewhere downstream.

www.quora.com/How-can-we-build-a-dam-across-a-river-if-water-is-constantly-flowing-through-it

Sometimes, dams are built across wide rivers with large volumes of flowing water . It would be impracticable and too expensive to construct a separate channel to ...

www.ask.com/youtube?q=How+Are+Dams+Built%3F&v=DfpAXqPsXuQ
Apr 12, 2013 ... Dam Construction 3D Animation Film Client - AFCONS Infrastructure Limited Duration - 8 Min 20 Sec Created by Graffiti Design & Advertising, ...
www.ask.com/youtube?q=How+Are+Dams+Built%3F&v=JaSIVSnfkv4
Jun 18, 2014 ... a marvel of 1930s engineering Hoover Dam did three things when it was built. 1. it supplied power and water to cities down stream. 2. it gave ...
www.ask.com/youtube?q=How+Are+Dams+Built%3F&v=eBLkJbloXhA
Apr 13, 2016 ... When it was originally built, the Hoover Dam was the largest concrete structure in the world. It weighs 6.6 million tons and stands 700 ft tall.

britishdams.org/about_dams/divert.htm

A dam is usually constructed across a river to create a reservoir in the valley behind by storing the water that flows into it naturally. Sometimes, they are built ...

members.optusnet.com.au/~engineeringgeologist/page10.html

How Dams are Built. Construction work on a dam project is carried out at the dam site itself and also at other locations such as spillway site, rock fill quarry, clay ...

www.apliut.com/pages/aideenseignement/swapshop_Nimes07/desparbes_howtobuildadam.pdf

To build a Dam the engineers must first de-water the part of the river valley in which they ... The tunnel is built through one side of the valley around the planned ...