Experimental Study on 3D Roughness and Shear Failure Mechanism of Rock Mass Discontinuity

<div>The precast model with different types of discontinuity and natural rough rock joint surface model. (a) Roughness type I model; (b) roughness type II model; (c) roughness type III model; (d) natural rough rock joint surface model.</div>

Advances in Civil Engineering

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Figure 2

Figure 2: Experimental Study on 3D Roughness and Shear Failure Mechanism of Rock Mass Discontinuity 