Dachaoshan Dam

China / Yunnan / Simao /
 dam, hydroelectric power station/plant

Dam number 2, already built and in action.
Installed capacity 1,350 MW

The dam is a 111 m (364 ft) tall and 460 m (1,509 ft) long gravity dam.[2] It is composed of 1,126,700 m3 (39,789,035 cu ft) of concrete, 756,600 m3 (26,719,077 cu ft) is roller-compacted concrete. The reservoir created by the dam has a capacity of 940,000,000 m3 (762,070 acre⋅ft). To release water downstream, the dam has five 14 m (46 ft) x 17 m (56 ft) crest openings along with three mid-level openings and one bottom flushing outlet. With these openings, the design flood discharge capacity of the dam is 18,000 m3/s (635,664 cu ft/s) while the maximum is 23,500 m3/s (829,895 cu ft/s).[1]

The dam's power station is underground and supplied with water via six 179.5 m (589 ft) long penstocks. Once through the six turbines, the water exits back to the river by means of two tailrace tunnels, one 1,355 m (4,446 ft) long and the other 1,248 m (4,094 ft).[1]
Nearby cities:
Coordinates:   24°1'28"N   100°22'9"E

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This article was last modified 3 years ago