Saturday, June 9, 2012

The 25 tallest dams in the world

1) The Mratinje Dam: 
The Mratinje Dam is a concrete arch dam in the canyon of the Piva River in Montenegro. The dam is 220 metres (720 ft) high, one of the highest in Europe. The dam is 268 metres (879 ft) long and 4.5 metres (15 ft) thick at the crest, while it is 30 metres (98 ft) long and 36 metres (118 ft) thick at the base. The foundations go as deep as 38 metres (125 ft) into the ground. 820,000 cubic metres (1,070,000 cu yd) of concrete and 5,000 tonnes of steel were built into the dam.

2) Contra Dam:
The 220-m tall dam became a popular bungee jumping venue after a James Bond stuntman jumped off it in the opening scene of the 1995 film GoldenEye.

The Contra Dam, commonly known as the Verzasca Dam and the Locarno Dam, is an arch dam on the Verzasca River in the Val Verzasca of Ticino, Switzerland. The dam is owned and operated by Verzasca SA and is the fourth tallest in Switzerland.



3) Hoover Dam:
Hoover Dam (221.46 m), once known as Boulder Dam, is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the US states of Arizona and Nevada.


4) Luzzone:
Lago di Luzzone is a lake in Ticino, Switzerland.The arch dam Luzzone (225 m) was completed in 1963. In the years 1997–1998, its height was increased by 17 m.

One wall of the dam currently features the world's highest artificial climbing wall. A German manufacturer of climbing holds installed a line of over 650 artificial holds and bolts. The course covers a vertical distance of 165 meters, going from the base of the dam to the top.The climb must be done as a sport climb, in multiple pitches. Furthermore, the lowest holds were placed several meters above the ground to deter casual visitors from climbing on them.





5) Bhakra Dam:
Bhakra Dam is a concrete gravity dam across the Sutlej River, and is near the border between Punjab and Himachal Pradesh in northern India. The dam, located at a gorge near the (now submerged) upstream Bhakra village in Bilaspur district of Himachal Pradesh, is Asia's second highest at 225.55 m (740 ft) high next to the 261m Tehri Dam.


6) Karun-4 Dam:
The Karun-4 Dam is an arch dam on the Karun River in the province of Chaharmahal and Bakhtiari, Iran. The dam is a concrete double curvature arch-type and 230 metres (750 ft) 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. 


7) El Cajón Dam:
The El Cajón Dam (234 m) is a hydroelectric power plant located in Western Honduras. Overall, the dam is the fifth highest dam in the Americas, 16th highest in the world. El Cajón is also the highest arch dam in the western hemisphere, and the sixth highest arch dam worldwide.

8) The Chirkey Dam: 
(Chirkeisk GES) is an arch dam on the Sulak River in Dagestan, Russia.The dam is a 232.5 m (763 ft) tall and 338 m (1,109 ft) long (crest) concrete arch dam.

9) The Shuibuya Dam: 
The Shuibuya Dam is a concrete-face rock-fill embankment dam on the Qingjiang River in Badong County, Enshi, Hubei Province, China. At 233 m (764 ft) tall and containing 15,640,000 m3 (20,460,000 cu yd)


10) Oroville Dam:
Oroville Dam is a rockfill embankment dam on the Feather River east of the city of Oroville, California in the United States. At 770 feet (230 m) high, it is the tallest dam in the US and serves mainly for water supply, hydroelectricity generation and flood control.


11) Sayano–Shushenskaya Dam:
The Sayano–Shushenskaya Dam is located on the Yenisei River, near Sayanogorsk in Khakassia, Russia. It is the largest power plant in Russia and the sixth-largest hydroelectric plant in the world, by average power generation. It’s height is approximately 242 m.

12) The Ertan Dam:
The Ertan Dam is an arch dam on the Yalong River, a tributary of the Yangtze River in Sichuan Province, southwest China. It is a 240 m (787 ft) high and 774.7 m (2,542 ft) long double-curvature arch dam.

13) La Esmeralda Dam:
La Esmeralda Dam is an embankment dam on the Batá River northwest of Santa María in Boyacá Department, Neira Province, Colombia. It is a 237 m (778 ft) tall and 310 m (1,017 ft) long central core rock-fill 


14) Mica Dam:
The Mica Dam (243 m height) is a hydroelectric dam spanning the Columbia River 135 kilometres north of Revelstoke, British Columbia, Canada.


15) Mauvoisin Dam:
Lac de Mauvoisin is a lake in the canton of Valais, Switzerland. The reservoir is formed by the Mauvoisin Dam, which is 250 m high. The dam is currently the 8th highest in the world, and the third highest arch dam. It was built in 1951–1957, and raised by 13.5 m in 1991.

16) Laxiwa Dam: 
Laxiwa Dam is an arch dam on the Yellow River in Qinghai Province, northwest China. Its height is around 250 m.

17) The Alberto Lleras Dam: 
The Alberto Lleras Dam, also known as the Guavio Dam, is a rock-fill embankment dam on the Guavio River near Guavio, Colombia. The dam was built in 1989[3] and is currently one of the tallest dams in the world, with a height of 250 m (820 ft).


18) Tehri Dam:
The Tehri Dam is a multi-purpose rock and earth-fill embankment dam on the Bhagirathi River near Tehri in Uttarakhand, India. It is the primary dam of the Tehri Hydro Development Corporation Ltd. and the Tehri hydroelectric complex. The dam is a 260 metres (850 ft) high rock and earth-fill embankment dam. Its length is 575 metres (1,886 ft), crest width 20 metres (66 ft), and base width 1,128 metres (3,701 ft).

19) Deriner Dam:  
Deriner Dam is a concrete double-curved arch dam under construction on the Çoruh River 5 km (3.1 mi) east of Artvin in Artvin Province, Turkey. Construction on the dam began in 1998, the reservoir began to fill in February 2012 and the power station is expected to be operational by the end of the year. It will have a 670 MW power house and is the tallest dam in Turkey.


20) The Vajont Dam:
The Vajont Dam is a disused dam, completed in 1959 in the valley of the Vajont river under Monte Toc, 100 km north of Venice, Italy. One of the tallest dams in the world, it is 262 m (860 ft) high, 27 m (89 ft) thick at the base and 3.4 m (11 ft) at the top.

21) Chicoasén Dam:
The Chicoasén Dam (officially known as Manuel M. Torres) is an embankment dam and hydroelectric power station on the Grijalva River near Chicoasén in Chiapas, Mexico. It is an earth and rock fill embankment type with a height of 261 m (856 ft) and length of 485 m (1,591 ft).


22) Inguri Dam:
The Inguri Dam is a hydroelectric dam on the Inguri River in Georgia. Currently it is the world's highest concrete arch dam with a height of 272 metres (892 ft). It is located north of the town Jvari.


23) Grande Dixence Dam:
The Grande Dixence Dam is a concrete gravity dam on the Dixence River at the head of the Val d'Hérens in the canton of Valais in Switzerland. At 285 m (935 ft) high, it is the tallest gravity dam in the world and is part of the Cleuson-Dixence Complex.

24) The Xiaowan Dam:
The Xiaowan Dam is an arch dam on the Lancang (Mekong) River in Nanjian County, Yunnan Province, southwest China. The primary purpose of the dam is hydroelectric power generation and it supports a 4,200 MW power station. Constructed between 2002 and 2010 by Huaneng Power International.

25) Nurek Dam:
The Nurek Dam is an earth fill embankment dam on the Vakhsh River in the central Asian nation of Tajikistan. At 300 m (984 ft) it is currently the tallest dam in the world.















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