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

Figure 10

Morphology of plastic zone under different strata cohesion. (a) 2.81 MPa. (b) 3.01 MPa. (c) 3.21 MPa. (d) 3.41 MPa.

(a)

(b)

(c)

(d)