摘要通过实体模型对三门峡水库不同运用水位和水沙条件组合的5组方案进行了试验，对比分析了不同水沙条件和不同运用水位对库区冲淤的影响。

• It has conducted physical model tests on five plans of different operational modes of Sanmenxia Reservoir and different combination of sediment discharge conditions and analyzes the influence of different sediment discharge conditions and different operational modes to scour and fill of reservoir area.