00:00 Introduzione
00:09 Problems of tunnels
01:09 The piezometric level variation of the cortical aquifer in the slope
03:02 Crystalline and metamorphic non-shale rocks
03:51 Limestone and dolomite
04:49 Successions of rocks with different lithology
06:16 In addition to lithology, it is important to define the hydrogeological structure of the rock mass considered
08:17 Geometry and degree of connection
10:32 Barton
10:50 Wei
11:09 Lithostatic load
12:15 Louis (1976)
13:20 To reconstruct permeability variations with depth
14:43 Importance of structural geology for model construction (Scesi, 2004)
18:00 Completely connected discontinuities
19:19 Goodman (1965)
19:47 Permeability decrease in depth
22:20 Outcrop of metamorphic rocks