Research Article
Bolt-Grout Interactions in Elastoplastic Rock Mass Using Coupled FEM-FDM Techniques
(a) Tunnel parameters. |
| Radius (a) | 2.00 m | Applied far field pressure (p) | 8.00 MPa | Distance from tunnel wall where far field pressure applied | 78.00 m |
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(b) Bolt and grout parameters. |
| Bolt radius () | 12.50 mm | Bolt length (L) | 2.00 m | Bolt modulus of elasticity () | 200 GPa | Angle between two consecutive bolt | | Grout shear stiffness | 100 GPa/m |
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