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Determination Of Mix Proportion Parameters Of Recycled Aggregate Concrete

Last Update:2020-05-14 03:33:48

The aggregate consumption of recycled aggregate concrete can be calculated by density method or volume method. When calculated according to the density method, the unit mass of concrete can be 2400 × 2450kg / m3 calculated according to the volume method, and the designed air content can be calculated. When fly ash is mixed with the method of excess substitution, the excess part should replace sand and reduce the amount of sand. According to the calculated mix proportion, the filling volume ratio of unit coarse aggregate should be checked and calculated, and should not be less than 70%.


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