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arch dam

noun
1.
a dam resisting the pressure of impounded water by an arch principle, especially a dam having in plan the form of a single arch abutted by natural rock formations.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for arch dam
  • It is by far the biggest of the four dams built so far that when done this year will be the biggest arch dam in the world.
  • The concrete arch dam was recorded as being the highest in the world when completed.
  • Considering the multiple arch dam: theory, practice and the ethics of safety in a case of innovative hydraulic engineering.
  • Upon its completion, this project became the largest multiple arch dam in the world.
  • Depending on curvature of an arch dam and the number of targets to be monitored on the crest, more than one pier may be required.
  • The original rubble-masonry gravity arch dam is now encased in a new concrete block structure.
British Dictionary definitions for arch dam

arch dam

noun
1.
a dam that is curved in the horizontal plane and usually built of concrete, in which the horizontal thrust is taken by abutments in the sides of a valley. Arch dams must be built on solid rock, as a yielding material would cause a failure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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