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>Vertical stress on working face. (a) The influence of the mining height (<i>E</i><sub>em</sub> = 0.5 GPa). (b) The influence of the elastic modulus of coal (<i>M</i> = 6.0 m).</div>

Shock and Vibration

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Figure 10

Figure 10: 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 10 | 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 