George Xiroudakis, Ilias Lazos. STABILITY ANALYSIS OF HAZARDOUS WEDGES IN THE CROWN OF CIRCULAR TUNNEL. SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM2023, Science and Technologies in Geology, Exploration And Mining, Vol 23, Issue 1.1, 2023, pp. 243-250. https://doi.org/10.5593/sgem2023/1.1/s02.29