Stability Analysis and Monitoring Method for the Key Block Structure of the Basic Roof of Noncoal Pillar Mining with Automatically Formed Gob-Side Entry

<div>Diagram of the field monitoring scheme. (a) Diagram of the layout of the observation stations. (b) Diagram of the field observations in the monitoring scheme.</div>

Advances in Civil Engineering

fig9

Figure 9

Figure 9: Stability Analysis and Monitoring Method for the Key Block Structure of the Basic Roof of Noncoal Pillar Mining with Automatically Formed Gob-Side Entry 

Figure 9 | Stability Analysis and Monitoring Method for the Key Block Structure of the Basic Roof of Noncoal Pillar Mining with Automatically Formed Gob-Side Entry 