Dynamic Evolution Law of Overburden Rock in Shallow-Buried Super-High Fully Mechanized Working Face and Determination of Support Strength

<div>Rock strata above 12401 working face advance displacement with working face. (a) Displacement nephogram of working face advancing to 54 m. (b) Displacement nephogram of working face advancing to 405 m.</div>

Shock and Vibration

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Figure 4

Figure 4: Dynamic Evolution Law of Overburden Rock in Shallow-Buried Super-High Fully Mechanized Working Face and Determination of Support Strength 