Repair of Landslide Umka-Duboka — Seismic Performance Assessment

The Umka-Duboko is a large active landslide in the depth of 10-26 m, created in marly clays, taking up the area of 1.8 sq.km. According to the fact that the new road facility corridor located at the right bank of Sava river, on the meandering apex, crosses the landslide in the length of 3 km the characteristic remediation design solution is given. In this paper is observed seismic performance of this project. The analysis of potential liquefaction in motorway embankment and seismic stability of slope retained by embankment and hydraulic structure were made. The necessity was despite the limited seismic hazard data to give an assessment of potential maximal displacement of the slope and its rate of occurrence. The results obtained with used methodology are very good reference for a general design of this project and seismic performance assessment of landslides of this type