Experimental and Numerical Studies on Bond Quality of Fully Grouted Rockbolt under Confining Pressure and Pull-Out Load

<div>The change of frequency with the load under confining pressure. (a) 5 MPa and (b) 15 MPa.</div>

Shock and Vibration

Figure 14: Experimental and Numerical Studies on Bond Quality of Fully Grouted Rockbolt under Confining Pressure and Pull-Out Load 