The Influences of Key Strata Compound Breakage on the Overlying Strata Movement and Strata Pressure Behavior in Fully Mechanized Caving Mining of Shallow and Extremely Thick Seams: A Case Study

<div>The plastic zone distribution of surrounding rocks in the working face under different advance distances of the working face. (a) 50 m. (b) 70 m. (c) 90 m. (d) 110 m. (e) 150 m. (f) 200 m.</div>

Advances in Civil Engineering

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Figure 6

Figure 6: The Influences of Key Strata Compound Breakage on the Overlying Strata Movement and Strata Pressure Behavior in Fully Mechanized Caving Mining of Shallow and Extremely Thick Seams: A Case Study 

Figure 6 | The Influences of Key Strata Compound Breakage on the Overlying Strata Movement and Strata Pressure Behavior in Fully Mechanized Caving Mining of Shallow and Extremely Thick Seams: A Case Study 