Research Article

Grouting Reinforcement Mechanism and Multimodel Simulation Analysis of Longwall Goaf

Figure 7

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