Research Article
Analytical and Numerical Study of the Ground Pressure of the Work Face Crossing the Fault
Table 2
The contact pressure of upside and underside of the roof.
| | Fracture situation | Work face | Contact pressure of forward direction fault | Contact pressure of reverse direction fault | | — | — | Upside of roof (MPa) | Underside of roof (MPa) | Upside of roof (MPa) | Underside of roof (MPa) |
| | Without tunnel initial fracture | Far | 5.116 | 3.019 | 9.893 | 8.317 | | Near | 5.044 | 3.629 | 13.471 | 17.895 | | Under | 0.000 | 0.000 | 14.253 | 28.939 | | With tunnel initial fracture | Far | 4.924 | 3.673 | 9.579 | 8.379 | | Near | 4.834 | 4.386 | 13.102 | 18.065 | | Under | 0.000 | 0.000 | 14.707 | 28.555 | | Without tunnel periodical fracture | Far | 6.038 | 3.294 | 10.776 | 9.198 | | Near | 6.409 | 4.074 | 11.972 | 14.234 | | Under | 4.202 | 0.000 | 13.144 | 23.975 | | With tunnel periodical fracture | Far | 5.842 | 3.958 | 10.576 | 9.651 | | Near | 6.023 | 5.106 | 12.082 | 15.556 | | Under | 3.575 | 0.000 | 13.372 | 23.313 |
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