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《Hongshui River》 2007-02
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Energy Dissipation & Erosion Protection Design and Preliminary Operating Effect of Arch Dam at Xiaqiao Hydropower Station

LI Xi-jing1,WEI Zhen-juan1,LIANG Yuan1,LUO Bin-zhu2(1.Hechi Water Conservancy and Electric Power Investigation Design and Research Institute,Hechi 547000; 2.Guangxi Electric Power Industry Investigation Design and Research Institute,Nanning 530023)  
The arch dam of Xiaqiao Hydropower Station in Longjiang River is located in axial region of anticline where there are crashed rocks at the river bed.As the dam has a low erosion-resisting capacity and is adjacent to the plant,the traditional single-ridge plunge pool with a low energy dissipation efficiency can neither ensure the safety of dam foundation and abutment nor provide sound hydraulic conditions for the tailrace of the power station.The background,reference and effect of three-ridge plunge pool are presented in details together with the design gist of plunge pool structure and the preliminary operating status of flood discharging energy dissipation over the past three years.
【CateGory Index】: TV653
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