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

<div>The change of frequency with confining pressure under pull-out load. (a) 50 KN and (b) 100 KN.</div>

Shock and Vibration

Figure 11: Experimental and Numerical Studies on Bond Quality of Fully Grouted Rockbolt under Confining Pressure and Pull-Out Load 