贵州樱子水电站设计（大坝、厂房部分）之三

第2页AbstractGuizhou yingzi River hydropower station reservoir flood control,shipping,irrigation and other tasks,power station after the completion of the main task is power,the reservoir normal water level and the design flood level 1389.00m and check floodlevel 1389.64m water level 1385.00m die,dead storage reservoirs 679 million m3,Hennessy capacity 95 million m3,with a total capacity of 813 million m3;plant annualaverage generating capacity for 64.7 million kW/h,installed capacity is 1.6 millionKW,ensures that the output 1496kW,design head is 39.8m,design reference flow46.0m3/s,reservoir and power station engineering scale are small (1)type,and theengineering level to the fourth grade.The main building of the power station are:dam,diversion structures,sand bottom,main and auxiliary power plant,booster station.The dam is a double curvature arch dam variable centres outside radius,themaximum dam height of 69.347m,bottom thickness 11.600m,the width of 5.000m.Toprevent dam foundation leakage,the curtain grouting is carried out near the damfoundation,and the uplift pressure of dam foundation is reduced,and the drainage holeis arranged after grouting curtain..Yingzi hydropower station on Regulating Runoff of hydropower station,theconcrete hyperbolic arch dam to intercept water generation head,the left bank diversiontunnel,workshop and switch station are on the ground.The graduation design for thepreliminary design of Guizhou yingzi River hydropower station,design content mainlyincludes:dam layout and force and stability calculation,red sand bottom hole layout,diversion tunnel layout,hydropower station plant design,engineering,general layout ofthe project.Keywords:hyperbolic arch dam,diversion structures,sand bottom,plant