Table 3: Results of the shear tests and roughness estimations for the eleven discontinuity specimens.

Specimensσ (MPa)τ (MPa)JRC

0.480.9214.020.82
0.831.0310.210.71
0.930.682.940.51
1.961.665.800.66
3.063.1910.690.76
3.112.576.150.75
0.500.4610.650.81
1.611.098.220.64
3.072.4514.650.94
3.403.4822.151.32
3.752.167.230.58