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一、项目概况(一)项目背景江西峡江水利枢纽工程位于赣江中游峡江县,控制流域面积约62710平方公里,是赣江干流上一座以防洪、发电、航运为主,兼有灌溉等综合利用的水利枢纽工程。水库正常蓄水位46.0米,防洪高水位49.0米,总库容11.87亿立方米,防洪库容6.0亿立方米,电站装机36万千瓦,船闸设计为1000吨级。工程建成后,南昌市的防洪标准可由100年一遇提高到200年一遇,赣东大堤防洪标准可由50年一遇提高到100年一遇,每年可增加11.4亿度清洁电能,改善枢纽上游77公里航
I. Project Overview 4.1 Project Background Jiangxi Xiajiang Project is located in Xiajiang County in the middle reaches of Ganjiang River. The control basin covers an area of 62,710 square kilometers. It is the main flood control, power generation and shipping in the main Ganjiang River. Comprehensive utilization of water control project. The reservoir has a normal water level of 46.0 meters, a flood control high water level of 49.0 meters, a total capacity of 1.187 billion cubic meters, a flood control capacity of 600 million cubic meters, a power station installed capacity of 360,000 kilowatts and a lock of 1000 tons. After completion of the project, flood control standards in Nanchang City can be increased from once every 100 years to once in 200 years. The flood control standard of the East Part of the Yangtze River can be increased from once every 50 years to once every 100 years. It can increase 1.14 billion kWh of clean electricity every year and improve the upstream of the junction 77 km