Kebar Dam

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Kebar Dam
Kebar Dam is located in Iran
Kebar Dam
Location of Kebar Dam in Iran
LocationQom, Qom Province, Iran
Coordinates34°28′12″N 51°00′46″E / 34.47000°N 51.01278°E / 34.47000; 51.01278Coordinates: 34°28′12″N 51°00′46″E / 34.47000°N 51.01278°E / 34.47000; 51.01278
StatusOperational
Construction began~1300 AD
Dam and spillways
Type of damArch, masonry
Height26 metres (85 ft)
Length55 metres (180 ft)
Width (base)4.5–5 metres (15–16 ft)

The Kebar Dam is a masonry arch dam on the Kebar River, Iran, located near a town of the same name,[1] 23 km southeast of Qom, near the village of Zanburak in Jannatabad, Qom. The dam is an early arch dam and was the first arch dam constructed by the Mongolians, around 1300 AD.[2] It is the oldest surviving arch dam.[3] The dam is 26m tall and 55m wide and was constructed for irrigation water supply. It was originally 24m tall but 2m of height was added in either the beginning or middle of the 17th century. The arch of the dam was of normal curvature with a radius of 35m and angle of 45-degrees. While the dam sat on limestone, its curve rested on two winged walls that served as abutments.[1] The downstream face of the dam was vertical until near its abutment where it slightly curves out. Near the dam's right, or western, abutment there is a 10m deep cylindrical hole which served as an intake and outlet works for the dam.[4] The outlet works is located at the bottom and is a larger opening but there are various smaller openings throughout the shaft to release water. The dam impounded a small reservoir that is no longer used and is mostly filled with silt.[5][6][7][8][9]

References[]

  1. ^ a b Tančev, Ljubomir (2014). Dams and appurtenant hydraulic structures - 2nd edition. Taylor & Francis. p. 697. ISBN 0203577051.
  2. ^ Key Developments in the History of Arch Dams at the Wayback Machine (archived July 28, 2012). SimScience. Retrieved 19 July 2010.
  3. ^ Introduction to Water Resources and Environmental Issues at Google Books
  4. ^ Rogers, Jerry R.; Glenn Owen Brown; Jürgen Garbrecht (2004). Water resources and environmental history. ASCE Publications. pp. 40–42. ISBN 0-7844-0738-X.
  5. ^ Hubert Chanson, Patrick JAMES (2004). "Historical Development of Arch Dams". TRAIANVS. Retrieved 19 July 2010.
  6. ^ تالار گفتمان هخامنشیان Archived 2016-03-13 at the Wayback Machine, Achaemenid Forum
  7. ^ متون پر بیننده, Viewable texts
  8. ^ کبار قدیمی‌ترین سد جهان[permanent dead link], Kebar oldest dam in the world
  9. ^ رسانه مجازی نگاه, Virtual media
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