%0 Journal Article %T Methods of Calculating Soil Freezing Depth of High-Speed Railway (HSR) Subgrade in Cold Climate Conditions in People’s Republic of China %A Van, S.. %A Kolos, A.F. %A Petryaev, A.V. %K Soil freezing depth, HSR subgrade, advanced Berggren method, numerical simulation, temperature regime %J Bulletin of scientific research results %D 2023 %N 2023 %P 11 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"