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The river sand of debris flow in Dongchuan, Yunnan province has the feature of less silt content, low price and abundant resources. And if we can make good use of local materials, the transportation cost and natural river sand can be greatly saved, and construction cost will reduce by 10%. There are many factors which can affect the quality of concrete mixed by river sand of debris flow, such as the water-binder ratio, the kind of cement, the kind and grade of the materials, the kinds of vibrating mode, curing methods, temperature, additive, curing the environment, etc.

The Research on the Mechanical Properties of Concrete Mixed by the River Sand of Debris Flow in Dongchuan