Research Article
The Principle of Invariant Stress of the Surrounding Rock of the Hole under the Condition of Equal Pressure in the Deep Rock Mass
Figure 6
Plastic area and stress influencing area of surrounding rock of straight wall semicircular arched section: (a) H = 100 m; (b) H = 500 m; (c) H = 1000 m; (d) H = 1500 m; (e) H = 1700 m.
(a) |
(b) |
(c) |
(d) |
(e) |