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要求大型放淤工程的沉沙池具有沉粗排细特殊功能 ,以延长沉沙池的使用时间 ,有效利用土地资源 ,是一个值得探索的课题。本文通过泥沙模型试验 ,结合具体工程实例 ,提出加筑纵、横向导水堤的方法 ,将条渠分隔成若干区域 ,分期分区合理地开辟新淤积区 ,并进一步优选经济合理的工程布置方案 ,以达到设计要求。其基本原则可供此类沉沙池设计借鉴。
It is deserved to ask that the desilting basin of the large-scale desilting project have the special functions of sinking and thinning so as to prolong the usage time of the desilting basin and effectively utilize the land resources. In this paper, sediment model test, combined with specific engineering examples, the proposed construction of vertical and horizontal dams embankment method, the canal is divided into a number of areas, rational division of time to open up a new siltation area, and further optimization of economic and reasonable layout of the project In order to meet the design requirements. The basic principles of this type of desilting basin design for reference.