Research Article
Model Test of TBM Tunnel Crossing Large Dip Angle Fault Zone under High In Situ Stress
Table 1
Mechanical parameters of prototype and model materials.
| | Medium | Severe (kN.m-3) | Shear strength of rock mass | Poisson’s ratio | The compressive strength (MPa) | Modulus of elasticity (GPa) | | /(MPa) |
| | The prototype of the surrounding rock | 21.4-27.0 | 0.8-0.9 | 0.8-0.9 | 0.22-0.26 | 45-55 | 28.05 | | Model of the surrounding rock | 23.2 | 0.87 | 0.03 | 0.24 | 1.80 | 1.00 | | Fault zone prototype | 19.8-22.4 | 0.45-0.55 | 0.05-0.1 | 0.27-0.33 | 6-8 | 2.13-23.24 | | Fault zone model | 20.6 | / | / | / | / | / | | Similar than | 1 | 1 | 28 | 1 | 28 | 28 |
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