Temperature boundary setting method for centrifugal model test of cold region engineering

The invention designs a temperature boundary setting method for a centrifugal model test of a cold region project, and the method is characterized in that the method comprises the following steps: S1, determining a prototype freezing index Fp and a model freezing index Fm according to the characteristics of a cold region project foundation; s2, a parameter A and a parameter B are obtained according to formulas # imgabs0 # and # imgabs1 #; s3, obtaining a prototype day number dp according to a formula Fp = Fm = Adp + Bdp2; s4, according to a time criterion function formula dp/t = N2, the number of days dp of the prototype and the interlayer spacing N are substituted in, and the corresponding time t of the model is obtained; and S5, obtaining a model test environment matched with the engineering prototype temperature environment by adjusting the test time, the corresponding model rate and the interlayer spacing index. According to the invention, the heat exchange process is prevented from being easily influence