The Karavanke tunnel is in need of an upgrade from a single bidirectional tube to a twin tunnel highway tube to meet the increased traffic demands and to increase the safety of tunnel users.
The original tunnel construction faced numerous problems due to extremely demanding geological conditions with an overburden of more than 1000 metres and a high ground water level. The newly designed second tunnel tube aims at limiting the impact on the original tunnel tube by limiting the allowed deformations.
Numerous new technologies were used during the design process, namely advanced 3D geological modelling, numerical modelling of tunnel excavations, complex 3D CFD analysis for ventilation design and evacuation simulation, as well as developing an overall BIM model.
As the leading firm of the consortium consisting of 6 leading Slovenian consultant practices we managed and coordinated more than 100 design collaborators and at the same time liaised with the Austrian owners and their consultants.
Apart from the tunnel itself many of the other civil structures were simultaneously designed by our experts: portal building, roads, bridges, municipal infrastructure, retaining structures, etc. Other supporting studies (geological-geotechnical study, noise pollution study, construction-site management study, etc.) were part of the Elea iC involvement as well.
Project typeSecond tunnel tubeLocationHrušica, Slovenia - AustriaSection length7820 mArea114 m² - 155 m²Year(s)2014 - ongoingServicesConceptual design, building permit design safety documents, developing BIM, geological investigations, leading partner in South East EuropeInvestorDARS d.d., Celje
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