Research on Failure Characteristics and Zoning Control Technology of Thick-Soft Surrounding Rock for Deep Gob-Side Entry Retaining

<div>Support zone of thick-soft surrounding rock of deep gob-side entry retaining. I: the roof in filling area; II: the roof in roadway; III: the roof above solid coal side; IV: the zenith zone of filling body; V: the filling body; VI: the bottoming zone of filling body; VII: the middle and upper area of solid coal side; VIII: the lower area of solid coal side; IX: floor; X: roadway.</div>

Shock and Vibration

fig5

Figure 5

Figure 5: Research on Failure Characteristics and Zoning Control Technology of Thick-Soft Surrounding Rock for Deep Gob-Side Entry Retaining 