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Topic: Vishvesvaraya Dam


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Dam

In the News (Wed 23 Dec 09)

  
  Learn more about Dam in the online encyclopedia.   (Site not responding. Last check: 2007-10-29)
Rock-fill dams are embankments of loose rock with either a watertight upstream face of concrete slabs or timber or a watertight core.
The constant-radius type employs the same face radius at all elevations of the dam, which means that as the channel grows narrower towards the bottom of the dam the central angle subtended by the face of the dam becomes smaller.
In a constant-angle dam, this subtended angle is kept a constant and the variation in distance between the abutments at various levels is are taken care of by varying the radii.
www.onlineencyclopedia.org /d/da/dam.html   (1124 words)

  
 Dam
A dam (a common Teutonic word, compare to Dutch dam, Swedish and German damm, and the Gothic verb faurdammjan, to block up) is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment.
A type of temporary earth dam occasionally used in high lattitudes is the frozen-core dam, in which a coolant is circulated through pipes inside the dam to maintain a watertight region of permafrost within it.
If the upstream face is vertical the entire weight of the dam must be carried to the foundation by gravity, while the distribution of the normal hydrostatic pressure between vertical cantilever and arch action will depend upon the stiffness of the dam in a vertical and horizontal direction.
encyclopedia.codeboy.net /wikipedia/d/da/dam.html   (1344 words)

  
 Dam - Wikipedia, the free encyclopedia
Earth dams, also called earthen and earth-fill dams, are constructed as a simple homogeneous embankment of well-compacted earth, sometimes with a watertight concrete or clay core or upstream face, or sometimes with a hydraulic fill to produce a watertight core.
A type of temporary earth dam occasionally used in high latitudes is the frozen-core dam, in which a coolant is circulated through pipes inside the dam to maintain a watertight region of permafrost within it.
In a constant-angle dam, also known as a variable radius dam, this subtended angle is kept a constant and the variation in distance between the abutments at various levels are taken care of by varying the radii.
en.wikipedia.org /wiki/Dam   (2216 words)

  
 Dam   (Site not responding. Last check: 2007-10-29)
Alternatively, a low dam is less than 100 feet high; a medium-height dam is between 100 and 300 feet high, and a high dam is over 300 feet high.
= Earth dams are constructed as a simple homogeneous embankment of well-compacted earth, sometimes with a watertight concrete core or upstream face, or sometimes with a hydraulic fill to produce a watertight core.
Vishvesvaraya Dam, India Some Dutch cities are named after dams; Amsterdam (dam on the Amstel) and Rotterdam (dam on the Rotte).
www.purpleuniverse.com /true_associate-Dam.html   (1334 words)

  
 Dam - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-29)
A diversionary dam is a dam that does not completely block a river.
Earth dams are constructed as a simple homogeneous embankment of well-compacted earth, sometimes with a watertight concrete or clay core or upstream face, or sometimes with a hydraulic fill to produce a watertight core.
Any cavitation or turbulence of the water flowing over the spillway slowly eats the dam.
www.encyclopedia-online.info /Dam   (1546 words)

  
 Dam   (Site not responding. Last check: 2007-10-29)
Earth dams are constructed as a simple homogeneous embankment of well-compacted earth, sometimes with a watertight concrete or clay core or upstream face, or sometimes with a
compressive stress at the downstream face, the dam cross section is usually designed so that the resultant falls within the middle third at all elevations of the cross section (the core).
If the upstream face is vertical the entire weight of the dam must be carried to the foundation by gravity, while the distribution of the normal hydrostatic pressure between vertical cantilever and arch action will depend upon the
en.efactory.pl /Dam   (3214 words)

  
 Dam - Unipedia   (Site not responding. Last check: 2007-10-29)
Timber dams used to be more plentiful, but most have been replaced with concrete, especially those in industrialized countries.
Parker Dam is an arch dam constructed of concrete.
New Bullards Bar Dam is a variable radius arch dam.
www.unipedia.info /Dams.html   (1956 words)

  
 Vishvesvaraya Dam   (Site not responding. Last check: 2007-10-29)
The Vishvesvaraya Dam was built by Sir M Vishweshwaraya.
The dam is often referred to as the Krishnarajasagara Dam or KRS Dam.
This dam is the bone of contention between the south Indian states of Karnataka and Tamil Nadu in the water dispute over the waters of the Kaveri.
www.theezine.net /v/vishvesvaraya-dam.html   (78 words)

  
 Dam at opensource encyclopedia   (Site not responding. Last check: 2007-10-29)
Hoover Dam Hoover Dam This World Wide Web (WWW) site, suitable for grades K to 12, presents information on the history, structure, and importance of Hoover Dam.
Parker Dam spans the Colorado River between Arizona and California, 155 miles downstream from Hoover Dam.
The Ilisu Dam Campaign exists to stop British involvement in the Ilisu dam in Turkey and highlight the broader social, human rights, environmental, economic and political implications of the project.
www.springknow.com /Dam.html   (1383 words)

  
 iqexpand.com   (Site not responding. Last check: 2007-10-29)
of the dam the central angle subtended by the face of the dam becomes smaller.
Glen Canyon Dam was constructed and is operated by the Bureau of Reclamation, an agency within the Department of Interior.
The award-winning Dillon Dam Brewery is one of the largest Brew-Pubs in the nation and one of the finest family restaurants in Summit County, Colorado.
dam.iqexpand.com   (1930 words)

  
 DAM FACTS AND INFORMATION   (Site not responding. Last check: 2007-10-29)
A ''dry_dam'' is a dam designed to control flooding.
A diversionary_dam is a dam that does not completely block a river.
Ilisu_Dam_Campaign campaign against a planned dam in Turkey
www.freedomsailing.com /?req=dam   (2104 words)

  
 Dam
Dams may also be built to control effluent[?] from industrial work sites such as mines or factories.
The multiple-arch dam doesn't require as many buttresses as the hollow gravity type, but requires good rock foundation because the buttress loads are heavy.
All is still licensed under the GNU FDL.
www.wordlookup.net /da/dam.html   (1254 words)

  
 Dam - Gurupedia   (Site not responding. Last check: 2007-10-29)
A type of temporary earth dam occasionally used in high lattitudes is the frozen-core dam, in which a coolant is circulated through pipes inside the dam to maintain a watertight region of
Masonry dams are of either the gravity or the
poem The Ballad of Ecological Awareness (see External links) discusses the social and ecological impact of dam-building, beginning: "The cost of building dams is always underestimated" and concluding: "...cost-benefit analysis is nearly always sure/To justify the building of a solid concrete fact/While the Ecologic Truth is left behind in the Abstract."
www.gurupedia.com /d/da/dam.htm   (1366 words)

  
 Dam   (Site not responding. Last check: 2007-10-29)
image In a gravity dam, stability is secured by making it of such a size and shape that it will resist overturning, sliding and crushing at the toe.
When the project is completed, the cofferdam is demolished.
Banqiao and Shimantan Dams - 1975 (Estimates of as many as 85,000 killed directly and 100,000 plus additional due to water borne disease and farmland distruction.)
www.yotor.com /wiki/en/da/Dam.htm   (1620 words)

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