TY JOUR TI Assessment of the Possibility of Using a New Method for Constructing Underwater Urban Tunnels in Unrelated Silty Soils KW underwater urban tunnel KW weak silty soils KW penetration without excavation KW wedge-shaped structure KW frontal resistance KW pipe foundation KW pile foundation JO Proceedings of Petersburg Transport University AU Mel'nik, Y.V. AU Fedorov, A.E. PY 2026 IS 23 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"