Research Article

A New Method to Estimate the Joint Roughness Coefficient by Back Calculation of Shear Strength

Figure 14

The fitting relationships between JRCLR and τLR. (a) σn = 5 MPa. (b) σn = 6 MPa. (c) σn = 7 MPa. (d) σn = 8 MPa.
(a)
(b)
(c)
(d)