Research of the Surrounding Rock Deformation Control Technology in Roadway under Multiple Excavations and Mining

Figure 8

Stress distribution of different anchor cables lengths under the same prestress. (a) The length of anchor cables is 4 m. (b) The length of anchor cables is 5 m. (c) The length of anchor cables is 6 m. (d) The length of anchor cables is 8 m. (e) The length of anchor cables is 10 m.

(a)

(b)

(c)

(d)

(e)