TY JOUR TI Scientific and Experimental Foundation for the Design and Construction of an Intermodal Complex Integrated into Pulkovo International Airport KW Railway infrastructure KW intermodal transport KW Pulkovo airport KW transport accessibility KW tunnel solutions KW tunnelling KW airport infrastructure KW geomechanical modelling KW setting KW ADECO-RS JO Proceedings of Petersburg Transport University AU Kavkazskiy, V.N. PY 2025 IS 22 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"