The Longkaikou Dam is a

gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation to oppose the horizontal pressure of water pushing against it. ...

on the

Jinsha River The Jinsha River (, Tibetan: Dri Chu, འབྲི་ཆུ) is the Chinese name for the upper stretches of the Yangtze River. It flows through the provinces of Qinghai, Sichuan, and Yunnan in western China. The river passes through Tiger L ...

Dali Bai Autonomous Prefecture Dali Bai Autonomous Prefecture (; Bai: ) is an autonomous prefecture of northwestern Yunnan Province, People's Republic of China. Dali has an area of and its seat is located in Xiaguan, Dali City. Subdivisions The prefecture is subdivided into ...

Yunnan province Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the C ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. The dam has a height of and was constructed with

roller-compacted concrete Roller-compacted concrete (RCC) or rolled concrete (rollcrete) is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for Po ...

. Construction on the dam began in 2007, the river was diverted in January 2009 but construction was briefly halted in June 2009 by the Ministry of Environmental Protection after it was being constructed without approval. On 25 November 2012 the reservoir was impounded and the first of five 360 MW

Francis turbine The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. The proces ...

-generators was commissioned on 21 May 2013. The last was commissioned on 29 November 2013. The dam was expected to displace 2,000 people. The dam also supports a fish proliferation system.

References

{{Yangtze dams , dam=Longkaikou Dam, downriver=

Ludila Dam The Ludila Dam(鲁地拉水电站 in Chinese) is a gravity dam on the Jinsha River near Lijiang in Yunnan province, China. The primary purpose of the dam is hydroelectric power generation and it will support a 2,160 MW power station. Constructi ...

, upriver=

Jinanqiao Dam The Jinanqiao Dam or Jin'anqiao Dam (, ''meaning "golden and peace bridge"'') is a concrete gravity dam on the Jinsha River southeast of Lijiang City in Yunnan Province, China. The purpose of the dam is hydroelectric power production and flood c ...

Hydroelectric power stations in Yunnan Dams completed in 2013 Dams in China Dams on the Jinsha River Gravity dams Energy infrastructure completed in 2013 Roller-compacted concrete dams 2013 establishments in China Buildings and structures in Dali Bai Autonomous Prefecture

See also

References