Study on the Deformation Mechanism of the Bottom Plate along the Empty Lane of Deep Mining and the Control Technology of the Bottom Drum

Figure 12

Characteristics of stress evolution along the surrounding rock of the empty roadway after cutting the roof.

(a) Contour plot of the horizontal stress distribution

(b) Contour plot of vertical stress distribution

(c) Contour plot of shear stress distribution

(d) Contour plot of the maximum principal stress distribution

(e) Contour plot of the minimum principal stress distribution

(f) Contour plot of the maximum shear stress distribution