Research Article

Study on Mechanical Model for Postpeak Shear Behavior of Rock Joints Based on Degradation Characteristics of the 3D Morphology

Figure 4

Test results of the red sandstone sample: (a) loading stage of normal stress for the shear test; (b) loading stage of shear stress for the shear test; and (c) uniaxial compression.
(a)
(b)
(c)