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在黄河下游开展挖河疏浚有很多关键技术问题需要解决。近两年来，重点通过物理模型试验并辅以数学模型计算及对挖河固堤启动工程的实测资料分析，对拟定的黄河下游游荡性河段及弯曲性河段不同挖河固堤方案的合理性进行了论证分析，研究了挖河效果及其影响因素，得出了一些初步认识，并对挖沙减淤计算的有关问题作了讨论。
In the lower reaches of the Yellow River dredging dredging has many key technical issues to be solved. In the past two years, the physical model test, supplemented by the mathematical model and the analysis of the measured data of the dredging embankment start-up project have been carried out in the past two years. The rationality of different dredging embankment schemes in the proposed wandering reach and bend bend reach of the lower Yellow River This paper analyzes the effect of dredging river and its influencing factors, obtains some preliminary understanding, and discusses the related problems of dredging dredging calculation.