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1工程概况桥巩水电站是《广西红水河综合利用规划报告》10级开发方案中的第9级,是一座以发电为主,兼有航运等综合利用的二等大(Ⅲ)型水电工程。工程控制流域面积128564km~2,总库容8．51亿m~3,正常蓄水位84m,死水位83m、坝顶高程102．00m,电站装机容量456MW,多年平均发电量24．01亿kW·h、总投资39．23亿元、总工期58个月。主体工程主要建筑物有混凝土泄水闸坝、厂房、船闸、混凝土重力坝、开关站等,工程弃渣总量为857．15万m~3,根据工程的施工时序和交通运输条件等因素,本
1 Project Overview Qiaogong Hydropower Station is “Grade 9” of the “Red River Comprehensive Utilization Planning Report of Guangxi” Grade 10 development plan, which is a second-class large (Ⅲ) hydroelectric project with power generation as the mainstay and comprehensive utilization of shipping, . The project control basin covers an area of 128564km ~ 2, with a total storage capacity of 851 million m ~ 3, a normal water storage level of 84m, a dead water level of 83m, an elevation of 102.00m, an installed capacity of 456MW and an average annual generating capacity of 2.401 billion kW · h, a total investment of 3923000000 yuan, the total duration of 58 months. The main structures of the main project include concrete sluice gate, factory building, ship lock, concrete gravity dam, switch station, etc. The total amount of waste slag is 8.5715 million m 3. According to construction schedule, traffic conditions and other factors,