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《Water Power》 2008-12
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Study on General Layout Scheme of Shiquanhe Hydropower Station

Zhu Jiang Tian Jingyuan (Chengdu Investigation and Design Institute,CHECC,Chengdu Sichuan 610072)  
The Shiquanhe Hydropower Station is situated in the cold,remote and highland area with the elevation of 4300m,with inconvenient traffic conditions.The station is a dam-type structure and two sites (upper and lower dam sites) are optional for Shiquanhe hydropower station.The lower dam site is better than upper dam site in engineering geological conditions,production and living conditions during construction period,seepage control and fault zone treatment.Moreover the construction quantity and difficulties of upper dam site is greater than that of lower dam site.As for the dam axis line, there are small differences between two dam sites in the engineering geological conditions and their structure layouts are basically the same except the flood-releasing structure,but the investment of lower dam site is 16.25% higher.Because there is less experience to build spillway in soft foundation for lower dam site,so synthetically,the scheme of lower dam site and upper dam axis line was adopted.The dam is a clay core embankment dam with spillway in left bank.The cutoff wall is adopted for foundation seepage control.Vertical generator unit are selected and steel tube is used for penstock.First generator was put into operation in September 1,2006.From then on,the hydropower station has been operated well.
【CateGory Index】: TV72
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