Structural Characteristics Analysis of Overlying Rocks and Prevention Measures with a Long-Wall Face Passing Across Abandoned Roadways: A Case Study

<div>The overlying rocks evolution laws of long-wall face across to abandoned roadway. (a) Normal advancing stage, (b) abnormal advancing stage (before siding instability), and (c) abnormal advancing stage (after siding instability).</div>

Shock and Vibration

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Figure 6

Figure 6: Structural Characteristics Analysis of Overlying Rocks and Prevention Measures with a Long-Wall Face Passing Across Abandoned Roadways: A Case Study 

Figure 6 | Structural Characteristics Analysis of Overlying Rocks and Prevention Measures with a Long-Wall Face Passing Across Abandoned Roadways: A Case Study 