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

<div>The in situ investigation photos for abandoned roadways. (a) Typical abandoned roadway (I); (b) typical abandoned roadway (II).</div>

Shock and Vibration

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Figure 2

Figure 2: Structural Characteristics Analysis of Overlying Rocks and Prevention Measures with a Long-Wall Face Passing Across Abandoned Roadways: A Case Study 

Figure 2 | Structural Characteristics Analysis of Overlying Rocks and Prevention Measures with a Long-Wall Face Passing Across Abandoned Roadways: A Case Study 