Modeling the Spatial and Temporal Evolution of Stress during Multiworking Face Mining in Close Distance Coal Seams

<div>Vertical stress distribution of the coal-rock mass in the no. 3l coal seam (a) after extraction of the 93l07 working face; (b) after a 200 m extraction of the 93u05 working face; (c) after extraction of the 93u05 working face; (d) after extraction of the 93u03 working face.</div>

Advances in Civil Engineering

fig5

Figure 5

Figure 5: Modeling the Spatial and Temporal Evolution of Stress during Multiworking Face Mining in Close Distance Coal Seams 