Iran Inaugurates The Karun-4 dam
The Karun-4 dam is a large hydroelectric dam on the Karun River in the province of Chaharmahal and Bakhtiari, Iran.The Karun has the highest discharge of Iran's rivers. The objectives of the construction of Karun-4 Dam & Hydro-electric Power Plant are electric Power supply and flood control.
The dam is a concrete double arch type and 230 m high from the foundation. The arch dam design is an ideal one for a dam built in a narrow, rocky gorge to hold back water in a reservoir. The dam is curved. Because of the arch shape, the force of the backed up water presses downward against the dam and has the effect of strengthening the dam foundation.
Its reservoir will be 29 square kilometres (11 sq mi) large, and hold 2,190,000,000 cubic metres (1,780,000 acre·ft) of water. The dam will generate about 1,000 MW of power.
The dam became operational in March 2010 and started producing electricity
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