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根据山东黄河淤背区的情况，结合膨润土的防渗机理，对膨润土、粘土和当地沙土混合用于黄河淤背区防渗进行了试验，分析了不同比例的防渗效果，得出10％的膨润土、10％的粘土、80％的沙土适合淤背区应用的配比，并分析了混合土料用于黄河淤背区防渗在施工技术上的可行性和经济上的合理性。
According to the situation of the Yellow River ditch in the Yellow River and the seepage prevention mechanism of bentonite, the seepage control of bentonite, clay and local sandy soil for the Yellow River dredging area was tested. The seepage control effects of different proportions were analyzed and a 10% Bentonite clay, 10% clay and 80% sand suitable for silting the back area, and analyzed the feasibility and economic rationality of the mixed soil used in the construction technology of the Yellow River silt prevention zone.