Research Article
Experimental and Simulation Study on Breaking Rock under Coupled Static Loading and Ultrasonic Vibration
Figure 11
Crushing state of samples in compressive strength test ((a) without ultrasonic vibration. (b) (c), (d) (e), and (f) are applied with 100 N, 200 N, 300 N, 400 N, and 500 N static loadings combined with ultrasonic vibration, respectively).