 A study was conducted on the damage law of self-compacting concrete with the addition of Eolean sand and recycled coarse aggregate under severely cold conditions, using 12 groups of specimens with different substitution rates. The results showed that appropriate addition of AS could inhibit freeze-thaw damage of ARCC by filling large harmful pores in RCA, and the optimum substitution rates were determined to be 20-40% for AS and 25-50% for RCA. A freeze-thaw damage model for ARCC was developed based on the Weibull distribution and gray theories, which could predict ARCC damage under freeze-thaw cycles. This article was authored by Ha Yan, Qin Lu, Feng Xia Han, and others.