Dongjiang Dam

The Dongjiang Dam is an arch dam on the Lishui River southwest of Zixing in Hunan Province, China. The dam was constructed between 1978 and 1992 and supports a 500 MW hydroelectric power station. The dam also provides for flood control, navigation and water supply. The dam's first generator was operational in 1987 and the reservoir, Dongjiang Lake, forced the relocation of 52 thousand people.

Design

The Dongjiang is a tall and long variable-radius arch dam. The dam is wide at its crest, at its base and has a curve radius of. Situated at the head of a catchment area, the dam withholds a reservoir of up to of water. The dam's power station lies at its base and contains four 125 MW Francis turbine-generators. The height of the dam affords each generator an effective hydraulic head of. The dam is also equipped with a boat/lumber lift.