摘要
采用泥沙模型试验的方法在莫莫克水库运行30 a后对其开展敞泄冲沙试验研究。试验结果表明:水库运行30 a后死水位和正常蓄水位之下的库容均大幅减小,敞泄冲沙试验后水库恢复了约1536.81万m^(3)库容,水库冲刷量约1521.60万t,排沙比达到579%,出库沙量呈现出由大到小的趋势,取得了较好的冲刷效果。建议在在水库基本进入冲淤平衡阶段,择机开展敞泄冲刷水库调度方式增大水库排沙比,提高水库综合效益。
The method of sediment model test is adopted to carry out the sediment flushing test study of Momok Reservoir after 30 years of simulated operation.The test results show that the dead water level and the reservoir capacity under the normal water storage level are greatly reduced after 30 years of operation,and the reservoir capacity is restored by about 15.3681 million m^(3)after the sediment flushing test,the reservoir erosion quantity is about 15.216 million tons,the sediment discharge ratio reaches 579%,and the amount of sediment flushing out of the reservoir shows a trend of decreasing,and a good flushing effect is achieved.It is suggested that when the reservoir enters the stage of flushing balance,the sediment flushing shall be carried out to increase the sediment discharge ratio and improve the comprehensive efficiency of the reservoir.
作者
李林林
赵登锋
王远见
金祖凯
李新杰
王强
LI Linlin;ZHAO Dengfeng;WANG Yuanjian;JIN Zukai;LI Xinjie;WANG Qiang(College of Water Resources and Hydropower,Hohai University,Nanjing 210098,China;Yellow River Institute of Hydraulic Research,Yellow River Conservancy Commission,Zhengzhou 450003,China;Henan Engineering Research Center for Lake Reservoir Function Recovery and Maintenance,Zhengzhou 450003,China;Momok Water Conservancy Hub Construction Administration of Kashgar Prefecture,Kashgar 844000,China)
出处
《西北水电》
2023年第1期1-5,共5页
Northwest Hydropower
基金
国家自然科学基金(51879115)
河南省自然科学基金项目(222300420235)。
关键词
水库
泥沙模型
泄洪排沙洞
敞泄冲沙
排沙比
reservoir
sediment model
flood discharge and sand drainage holes
Open sand washing
Drainage ratio
