Research Article
Grouting Reinforcement Mechanism and Multimodel Simulation Analysis of Longwall Goaf
Figure 5
Displacement stress distribution diagram of goaf without grouting.
(a) Settlement deformation when the goaf is untreated (mm) |
(b) Horizontal displacement change when the goaf is untreated (mm) |
(c) The vertical stress when the goaf is untreated (MPa) |
(d) The horizontal stress when the goaf is untreated (MPa) |