The Effect of Joint Damage on a Coal Wall and the Influence of Joints on the Abutment Pressure on a Fully Mechanised Working Face with Large Mining Height

<div>Comparison of numerical and theoretical results of coal body containing two joints. (a) When two joints are located at two ends of the model. (b) When two joints are situated in the middle of the model.</div>

Shock and Vibration

fig6

Figure 6

Figure 6: The Effect of Joint Damage on a Coal Wall and the Influence of Joints on the Abutment Pressure on a Fully Mechanised Working Face with Large Mining Height 

Figure 6 | The Effect of Joint Damage on a Coal Wall and the Influence of Joints on the Abutment Pressure on a Fully Mechanised Working Face with Large Mining Height 