engleski

Geotechnical Design of the St.Mark Tunnel

The application of the integrated design method for the St. Mark tunnel in Croatia is presented. The integrated method combines the empirical, rational and observational approaches in designing the tunnel. The design can, thus, proceed in two phases, prior to and during the tunnel construct ion. The geotechnical structure was under full control at all construction stages, and the tunnel completion was possible 2.5 months ahead of schedule. The paper describes the project solutions, programme and the procedure of the second phase of design, the construction technology, the results of geotechnical monitoring and the backanalysis, and intervention during construction.

tunnel; design; monitoring; support system

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