小浪底水利枢纽的初期运行

Initial operation of Xiaolangdi Multipurpose Hydro Project

总结了小浪底水利枢纽投运初期的水沙情况、孔板洞原型观测试验、调水调沙试验和枢纽的安全监测情况,介绍了大坝防渗、转轮裂纹问题的处理方案,总结了枢纽在防洪、防凌、减淤、供水和发电等方面发挥的作用。试验和对监测资料的分析表明,枢纽运行稳定,孔板洞设计合理、消能效果显著,各部位建筑物性态稳定,发挥了巨大的综合效益。

A brief introduction was given to the water-sediment situation and safety monitoring during the initial operation of the project,prototype observation and model test of orifice tunnel,water and sediment diversion test,measures for seepage control and treatment of the runner cracks.The functions of the hydro project in flood control,ice prevention,sediment reduction,water supply,and power generation were summarized.The analysis of test result and monitoring data shows that the hydro project is stable in operation,the design of orifice plates is reasonable,the effect of energy dissipation is evident,and the performance of each part of the construction is stable.The Xiaolangdi Multipurpose Hydro Project has generated great comprehensive benefits.