A construction of a new railway line between Divača and the port of Koper is planned. The connection is a constituent part of the railway line of the intermodal corridor in the area of the Ionian/Adriatic Sea and part of the Trans-European Network (TEN).
The upper part of the route mostly runs in carbonate rocks, while the route between the southern portal of T1 tunnel and the northern portal of T2 tunnel runs through flysch rocks. The route of T2 tunnel continues in carbonate rocks to the portal at Črni Kal, where it enters the flysch area. The final part of the line runs along alluvial sediments of the Rižana river.
Elea iC d.o.o. studied the area between the southern portal of T1 tunnel and the planned branch of the railway line towards Trieste (section A) the area of tunnels T4 and T6 (section B). The purpose of the geological and geotechnical research was to provide project parameters for planning buildings. Data were obtained by field and laboratory research.
Project typeNew construction, civil engineering works: tunnelsLocationDivača–Koper, SloveniaSection length28,000 mInv. value€1,300,000,000.00 Year(s)2010–ServicesGeomorphological and geological mapping, geophysical survey, drilling survey, field geomechanical and hydrogeological measurements, laboratory researchInvestorMinistry of transport, Agency of Republic of Slovenia for investment in public railway infrastructure
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