Surface Movement and Deformation Law Caused by Different Coal Pillar Stagger Distances in Strip Filling IoT-Enabled Sustainable Mining

<div>Geometric model for numerical simulation of the coal pillar normal alignment layout. (a) Arrangement along the inclination (<i>α</i> = 10°). (b) Arrangement along the strike of coal seam (<i>α</i> = 0°).</div>

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Figure 5

Figure 5: Surface Movement and Deformation Law Caused by Different Coal Pillar Stagger Distances in Strip Filling IoT-Enabled Sustainable Mining 