The Çubuk-1 Dam is a

concrete Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most ...

gravity dam on the Çubuk Stream near Çubuk in

Ankara Province Ankara Province ( tr, , ) is a province of Turkey with the capital city Ankara. Demographics History The site of the modern city has been home to settlements by many historic Anatolian civilizations in antiquity and classical times, in ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

. It is located 12 km north of the center of

Ankara Ankara ( , ; ), historically known as Ancyra and Angora, is the capital of Turkey. Located in the central part of Anatolia, the city has a population of 5.1 million in its urban center and over 5.7 million in Ankara Province, mak ...

and was built to control floods and provide drinking water to the city. Its construction lasted from 1930 to 1936;

Mustafa Kemal Atatürk Mustafa Kemal Atatürk, or Mustafa Kemal Pasha until 1921, and Ghazi Mustafa Kemal from 1921 until 1934 ( 1881 – 10 November 1938) was a Turkish field marshal, revolutionary statesman, author, and the founding father of the Rep ...

attended its inauguration on November 3, 1936. It was the first concrete dam constructed in Turkey and the first constructed in Ankara, and is recognized by Turkey's Chamber of Civil Engineers as one of the country's top 50 engineering feats. It is owned and maintained by the

Turkish State Hydraulic Works The State Hydraulic Works ( tr, Devlet Su İşleri) is a state agency, under the Ministry of Environment and Forestry of Turkey, responsible for the utilization of all the country's water resources. The institution's four major functions are ener ...

and was constructed at a cost of 2.32 million TRY. The dam is tall, long and made of of concrete. The

aggregate Aggregate or aggregates may refer to: Computing and mathematics * collection of objects that are bound together by a root entity, otherwise known as an aggregate root. The aggregate root guarantees the consistency of changes being made within the ...

for the concrete was derived from volcanic rock in nearby areas. It has a circular axis of and its arch-like design was used for stability. Hardly used, its reservoir has a normal volume of and surface area of . The dam's reservoir used to be a popular recreational area. Silt accumulation in the reservoir along with raw sewage being dumped upstream halted water supply from the dam in 1994. Since then, efforts have been ongoing to remove the polluted silt from the former reservoir bed. The area behind the dam will also be restored into a park once complete. Before being mostly emptied, the reservoir's elevations above sea level were at full capacity, at two-thirds capacity and at half.

References

{{DEFAULTSORT:Cubuk-1 Dam Dams in Ankara Province Gravity dams Dams completed in 1936

See also

References