Determination of Cyclic Filling Length in Gob-Side Entry Retained with Roadside Filling and Its Application

<div>Geological conditions of production at the #1103 working face in Heilong Coal Mine. (a) Mining plan of the #1103 working face. (b) Comprehensive column chart of the coal seam and roof and floor of the #1103 working face.</div>

Shock and Vibration

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Figure 6

Figure 6: Determination of Cyclic Filling Length in Gob-Side Entry Retained with Roadside Filling and Its Application 