Modelling and analysis stages of the portal in the Midas GTS NX 3D software
| Stage | Description |
|---|---|
| Initial phase | The T2 tunnel has already been excavated, and slope stability at the part of the T2 tunnel has already been provided. The excavated part of the abandoned T1 tunnel has remained open. |
| 1 | Excavation of the new slopes at the part of the new T1 tunnel |
| 2 | Application of rock bolts to provide stability of the side and front slopes |
| 3 | Shotcrete implementation to the slope |
| 4 | Resetting to the displacements |
| 5 | Excavation of the T1 tunnel through the TBM with the application of the face pressure |
| 6 | Application of the segments of the TBM |
| 7 | Safety calculation of the system for the static case |
| 8 | Application of the horizontal seismic load to the model |
| 9 | Calculation of the factor of safety of the system for the dynamic case |
| Stage | Description |
|---|---|
| Initial phase | The T2 tunnel has already been excavated, and slope stability at the part of the T2 tunnel has already been provided. The excavated part of the abandoned T1 tunnel has remained open. |
| 1 | Excavation of the new slopes at the part of the new T1 tunnel |
| 2 | Application of rock bolts to provide stability of the side and front slopes |
| 3 | Shotcrete implementation to the slope |
| 4 | Resetting to the displacements |
| 5 | Excavation of the T1 tunnel through the TBM with the application of the face pressure |
| 6 | Application of the segments of the TBM |
| 7 | Safety calculation of the system for the static case |
| 8 | Application of the horizontal seismic load to the model |
| 9 | Calculation of the factor of safety of the system for the dynamic case |
Sharing content requires targeting cookies to be enabled. Please update your cookie preferences to use this feature.