TY JOUR TI Physical modeling as a verification tool for geomechanical tasks solving KW finite element method KW equivalent materials method KW subway KW interstation tunnel KW station tunnel JO Proceedings of Petersburg Transport University AU Sokornov, A.A. AU Kon'kov, A.N. PY 2024 IS 21 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"