Research Article
A New Width Measurement Method of the Stress Relief Zone on Roadway Surrounding Rocks
Table 2
Constrain condition of the model.
| | Boundary | Mechanical constraints | Seepage constraints |
| | ABB’A’ | Fixed in the direction | Impermeable | | CDD’C’ | Free, MPa | Impermeable | | ADD’A’ | Fixed in the direction | Impermeable | | BCC’B’ | Fixed in the direction | Impermeable | | A’B’C’D’ | Fixed in the direction | Impermeable | | ABCD | Fixed in the direction | Impermeable | | Roadway | Free | MPa | | Borehole I | Free | MPa | | Borehole II | / | Impermeable | | Borehole III | Free | |
|
|