Experimental Study on the Fracture Evolution Processof Rock-like Specimens Containing a Closed RoughJoint Based on 3D-Printing Technology

<div>AE curves of specimens containing rough joint with different joint inclinations, i.e., (a) specimen T30-2# (α = 30°, l = 40.0 mm), (b) specimen T45-2# (α = 45°, l = 40.0 mm), (c) specimen T60-2# (α = 60°, l = 40.0 mm), and (d) specimen T90-1# (α = 90°, l = 40.0 mm) under uniaxial compression.</div>

Advances in Civil Engineering

fig11

Figure 11

Figure 11: Experimental Study on the Fracture Evolution Processof Rock-like Specimens Containing a Closed RoughJoint Based on 3D-Printing Technology 