Research Article

Grouting Reinforcement Mechanism and Multimodel Simulation Analysis of Longwall Goaf

Figure 6

Displacement stress distribution diagram during full grouting in the goaf.
(a) Settlement deformation during full grouting in the goaf (mm)
(b) Horizontal displacement change during full grouting in the goaf (mm)
(c) Vertical stress during full grouting in the goaf (MPa)
(d) Horizontal stress during full grouting in the goaf (MPa)