Research Article
Investigation of Energy and Damage Evolutions in Rock Specimens with Large-Scale Inclined Prefabricated Cracks by Uniaxial Compression Test and AE Monitoring
Figure 9
SEM images of fracture morphology and fracture surfaces of typical intact (a) and precracked rock specimens with a dip angle of 30° (b), 45° (c), and 60° (d).
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