永庆水库仿自然过鱼通道水力学特性研究

Study on hydraulic characteristics of nature-imitated fish passage for Yongqing Reservoir

调查了永庆水库库区珍惜保护鱼类,给出了该水库过鱼设施流动指标。通过交错石块式仿自然过鱼通道局部水工模型试验,研究了交错石块式仿自然过鱼通道内的水力学特性,总结分析了模型试验结果。分析论证表明:该交错石块式仿自然通道可满足永庆水库目标鱼类的洄游需求,为仿自然过鱼通道的设计和研究提供了依据。

The rare and protected fishes in the reservoir area of Yongqing Reservoir are investigated, and then the flow index of the fish-pass facility for the reservoir is given out. Through the local hydraulic model test on the nature-imitated fish passage of the type of interlaced stone blocks, the hydraulic characteristics inside of this kind of fish passage is studied, while the model test result is summarized and analyzed as well. The analysis and verification show that the nature-mimtated fish passage of the type of interlaced stone blocks can meet the demands of the migrations of the target fishes in the reservoir, and thus lay a basis for the design and research of the nature-imitated fish passage.