瓦石峡水库泥沙回淤分析

Analysis of Sediment Deposition in Waishixia Reservoir

为提高瓦石峡水库使用年限,基于瓦石峡水库规划情况和瓦石峡河泥沙特性,在分析瓦石峡水库泄流规模与规划运行方案的基础上,对入库月含沙量、日水沙系列、冲淤量和淤积量进行了计算,结果显示,在规划运行方案下,水库运行30 a时库容仅剩46.6%,水库运行50 a时基本淤满,为此,提出调整水库规划运营方式、加大排沙减淤力度等治理措施,可为类似工程泥沙淤积研究提供参考借鉴。

In order to improve the service life of Washixia Reservoir,based on the planning situation of Washixia reservoir and the sediment characteristics of Washixia River,on the basis of analyzing the discharge scale and planning operation scheme of Washixia Reservoir,the monthly sediment content,daily water and sediment series,the amount of erosion and deposition and the amount of sedimentation are calculated and discussed.The results show that under the planning operation scheme,the reservoir capacity is only 46.6%in 30 years of operation,and the reservoir is basically full in 50 years of operation.Therefore,it is proposed that the planning and operation mode of the reservoir should be adjusted,and the efforts of sediment discharge and sediment reduction should be increased.