Cement stabilized macadam mixture recycled in cold region and preparation method of cement stabilized macadam mixture

The invention discloses a cement stabilized macadam mixture recycled in cold regions and a preparation method thereof, and the cement stabilized macadam mixture comprises the following components in parts by weight: 24-49 parts of natural coarse aggregate, 24-49 parts of regenerated brick-mixed coarse aggregate, 24-30 parts of regenerated brick-mixed fine aggregate, 3.5-4.5 parts of cement, 0.5-1.5 parts of fly ash, 0.2 part of modified rubber powder and 9.1-11.6 parts of water, the cement stabilized macadam mixture capable of being recycled in the cold region, provided by the invention, is high in strength and good in anti-freezing property, and second-generation recycled coarse aggregate obtained by crushing after five times of freezing and thawing cycles meets the physical property requirements of second-class recycled coarse aggregate; the second-generation cement stabilized macadam mixture prepared from the concrete has good frost resistance, can be recycled in cold regions, solves the problem of reutili