Research Article
Primary Investigation on Equivalent Anchoring Method of Jointed Rock Mass Tunnel and Its Engineering Application
Table 5
Equivalent simulation results by improving cohesion and friction angle 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 | 1.1 | 17.31 | 5.66 | 1.2 | 16.48 | 4.88 | 1.3 | 16.35 | 4.80 | 1.4 | 16.16 | 4.66 | 1.5 | 16.02 | 4.60 | 1.6 | 16.09 | 4.55 | 1.7 | 16.20 | 4.72 | 1.8 | 16.28 | 4.82 | 1.9 | 16.28 | 4.84 | 2.0 | 16.29 | 4.84 |
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