The engineering geological and geotechnical conditions of Gediminas Hill (Vilnius, Lithuania): an update

Šarūnas Skuodis, Dainius Michelevičius, Aldona Damušytė, Juozas Valivonis, Jurgis Medzvieckas, Arnoldas Šneideris, Aidas Jokubaitis, Mykolas Daugevičius

Abstract


We provide an update of engineering geological and geotechnical conditions at Gediminas Hill in Vilnius (Lithuania) from 1955 till 2020, which allows evaluation of the stability of its slopes. Active geological processes are still observed on Gediminas Hill. The latest landslides appeared on March 22, 2004 and on March 8, 2008 on the eastern slope above the hiking trail, as well on February 11, 2016 and February 13, 2016 on the northern part of the slope. The latest landslide (involving ~40 m3 of soil) took place on March 7, 2017 between the eastern and southern slopes. Eight hydrogeological units were distinguished in 2017. During 2019–2020 many engineering geological and geotechnical investigations have allowed determination of the possibilities and methods of slope stabilization.


Keywords


Gediminas Hill; geology; geological conditions; geotechnical investigations; landslide; slope stability.

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