Research Article
Physical Simulation of the Water-Conducting Fracture Zone of Weak Roofs in Shallow Seam Mining Based on a Self-Designed Hydromechanical Coupling Experiment System
Figure 11
Plastic zone and stress distribution map.
(a) Map of the plastic zone at 140 m |
(b) Principle stress distribution map |
(c) Shear stress distribution map |
(d) Vertical stress distribution map |
(e) Vertical displacement map |