Research Article
Primary Investigation on Equivalent Anchoring Method of Jointed Rock Mass Tunnel and Its Engineering Application
Table 3
Equivalent simulation results by improving the cohesion of surrounding rock mass.
| Improved parameter | Displacement of lining (mm) | Vertical displacement of dome | Horizontal displacement of arch foot |
| With bolts installed | 17.16 | 5.02 | Without bolts installed | 19.14 | 7.76 | 1.1c | 18.18 | 6.52 | 1.2c | 17.86 | 6.24 | 1.3c | 17.61 | 6.06 | 1.4c | 17.42 | 5.88 | 1.5c | 17.30 | 5.72 | 1.6c | 17.23 | 5.64 | 1.7c | 17.16 | 5.56 | 1.8c | 17.09 | 5.48 | 1.9c | 17.02 | 5.40 | 2.0c | 16.95 | 5.32 |
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