Abstract: By means of natural ,coagulative and sand peak coagulative settling test ,the flowing water test of high,sub,and low turbidity water containing most of coarse silt have been research .Some results are concluded.

• 文摘:通过自然沉淀、混凝和沙峰型混凝沉淀试验；对以"粗”组分泥沙为主的高浊度水和低浊度水进行了动水试验研究；取得一些成果.