Research on the Deformation Mechanism of Mining Roadway Stratiform Surrounding Rock with Nonuniform Stress Field

Figure 5

Distribution cloud diagram of minimum principal stress. (a) No structural plane. (b) 0°. (c) 15°. (d) 30°. (e) 45°. (f) 60°. (g) 90°.

(a)

(b)

(c)

(d)

(e)

(f)

(g)