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水利枢纽工程的规划设计,首先要进行洪水调节计算并合理确定库容和相应的库水位,要根据河流的水文条件、工程的地形地质条件,文章通过调节计算,从政治、技术、经济等方面进行全面综合的分析论证,确定枢纽工程的各种特征水位及相应的库容值。这些特征水位值体现着枢纽工程利用和正常工作的各种特定要求,它们也是规划设计阶段确定主要水工建筑物的尺寸(如坝高和溢洪道大小),估算工程投资、效益的基本依据。
According to the hydrological conditions of the river and the topographic and geological conditions of the project, the articles are adjusted from the aspects of politics, technology, economy and so on in accordance with the regulation of the flood regulation and calculation and the rational determination of the reservoir capacity and the corresponding reservoir water level. Comprehensive and comprehensive analysis and demonstration to determine the various characteristics of the hub project level and the corresponding reservoir capacity value. These characteristic water level values reflect various specific requirements for the utilization and normal operation of the hub project. They are also the basic basis for determining the size of major hydraulic structures (such as dam height and spillway size) in the planning and design stage and estimating the project investment and benefit.