Research Article

Analysis of the Damage Characteristics and Energy Dissipation of Rocks with a Vertical Hole under Cyclic Impact Loads

Table 1

Scheme of the impact experiment.

Experimental groupAspect ratioImpact air pressure (MPa)

Constant-amplitude pressure shock load2.00.6
2.00.7
2.00.8

Uneven-amplitude air pressure shock load2.00.6–0.7
2.00.7–0.8