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>Field observation diagram relative to the study plan of the bulking coefficient. (a) Layout of the observation instruments. (b) Caving of gangue at the observation stations. (c) Observation line and height diagram.</div>

Advances in Civil Engineering

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Figure 10

Figure 10: 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 10 | Stability Analysis and Monitoring Method for the Key Block Structure of the Basic Roof of Noncoal Pillar Mining with Automatically Formed Gob-Side Entry 