Fig. 3From: Geo-environmental monitoring and 3D finite elements stability analysis for site investigation of underground monuments. Horemheb tomb (KV57), Luxor, Egypta and b Limestone rock columns are subdivided into prismatic rock blocks of different sizes and is entirely disjointed from the rock mass behind through a system of open discontinuities. Apparently, the rock columns are in limit equilibrium conditions (near to being mobilized) due to a rock bridge in the lower portion of the same rock columnsBack to article page