Numerical Simulation Study on Influence of a Structural Parameter of D Bolt, an Energy-Absorbing Rock Bolt, on its Stress Distribution

Figure 10

The magnitudes of stresses generated in the deformable sections of D bolts with different ratios of spacing between anchors: (a) the first bolt, (b) the second bolt, (c) the third bolt, (d) the fourth bolt, and (e) the fifth bolt.

(a)

(b)

(c)

(d)

(e)