General layout of Jiangkou hydropower station project

Jiangkou hydropower station has a total reservoir storage of 497 Mm\+3 and an installed capacity of 300 MW. The maximum height of the concrete double curvature arch dam is 139 m.The hydro compex is of grade -Ⅱ project.In consideration of the topographic and geologic conditions at the dam site,and of the features of all main structures,the general layout scheme of the hydro complex is selected after a comprehensive comparison.In this layout,the water-retaining and water-releasing structure i.e.the concrete arch dam,is arranged on the river bed,and the underground power house on the left bank and the water diversion tunnel on the right bank.The artificial aggregate system and the high concrete mixing system are arranged at the gentle Dingjia col on the right bank,downstream form the dam.