Study on Surrounding Rock Stability Mechanism of Gob-Side Entry Retaining with Prefabricated Fracture

Figure 5

Distribution chart of surrounding rock plasticity under different cutting angles of prefabrication: (a) 0°; (b) −5°; (c) 5°; (d) 10°; (e) 15°.

(a)

(b)

(c)

(d)

(e)