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中线南水北调孤柏嘴穿黄渡槽下游约20km处为规划中的桃花峪水库草亭坝址，水库的滞洪运用对穿黄渡槽的规划设计影响极大，是影响穿黄工程方案比选的重要因素，在穿黄工程的规划设计中受到高度重视。本文根据小浪底水库投入运用后黄河下游的防洪要求，制定了桃花峪水库的开发目标，分析了水库各时期的库容变化，确定了水库的防洪运用方式，并在此基础上论证了桃花峪水库开发和孤柏嘴穿黄渡槽设计的相互关系，得出了二者互不影响的重要结论，为穿黄工程的设计创造了条件。
The middle route of the South-to-North Water Diversion Project is about 20 km downstream of the Yellow River aqueduct, and is the planned TaohuaYu Reservoir Caoting Dam site. The application of flood control in the reservoir has a great influence on the planning and design of the Yellow River aqueduct, which is an important factor affecting the comparison and selection of the Yellow River Diversion Project , Which is highly valued in the planning and design of Huanghuang Project. Based on the flood control requirements of Xiaolangdi Reservoir after the Xiaolangdi Reservoir is put into operation, this paper develops the development objectives of the Taohuayu reservoir, analyzes the change of reservoir capacity in each period, and determines the flood control operation mode of the reservoir. On this basis, it demonstrates the development of the Taohuayu reservoir And gobo mouth piercing the relationship between the design of the Yellow Aqueduct reached the important conclusion that the two do not affect each other and create the conditions for the design of the Yellow River Crossing Project.