引黄灌区泥沙远距离输送研究

Study on long-distance sediment transportation of Yellow River Diversion Irrigation District

采用山东省簸箕李灌区实际资料对建立的引黄渠道泥沙远距离输送数学模型进行了验证,结果表明模型能够较好地模拟簸箕李灌区干渠水流输沙规律。进而利用该模型对影响泥沙远距离输送的主要因素进行研究,成果显示渠道衬砌、复式断面利于减少渠道淤积,引水时避免小流量长时间引水、减少沿程分水和提水灌溉,是实现泥沙远距离输送的有效措施。

The actually measured data from Bojili Irrigation District in Shandong Province are used to check the established mathematical model for the long-distance sediment transportation of the Yellow River water diversion canal;of which the result shows that the flow sediment-carrying law of the main canal of Bojili Irrigation District is better simulated by the model.Furthermore,the main factors of the impacts on the long-distance sediment transportation are studied.The study results show that the lining on the c...