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Tableau 4

Propriétés mécaniques des roches et joints, dans le modèle théorique A, le modèle réduit théorique B et le modèle réduit en utilisant le PA12C.

Mechanical properties of rock and joints for the prototype A, theoretical reduced scale model B and the reduced scale m.

  ρ
(kg/m3)
E
(GPa)
v φ c
(MPa)
Rt
(MPa)
kn
(MPa/mm)
ks
(MPa/mm)
θ
A Roche 2400 40 0,3 30 30 34      
Joints 1       25 2 0,5 46 2.6 −40
Joints 2       25 2 0,5 46 2.6 20
A* 5/12 5/120 1 1 5/120 5/120 5/12 5/12 1
B Roche 1000 1,67 0,3 30 1,25 1,42      
Joints 1       25 0,084 0,02 18,75 1,67 −40
Joints 2       25 0,084 0,02 18,75 1,67 20
C Roche 1000 1,6 0,3 5 24 45      
Joints 1       23,5 0,16 0,02 24 1,7 −40
Joints 2       23,5 0,16 0,02 24 1,7 20

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