Tunnel – Analysis of tunnels by the Finite Element Method (FEM)

Tunnel* is the extension module of the FEM program.

In addition, the Tunnel contains the following capabilities:

• Two options for modelling linings (Beam elements - 1D or standard 2D elements)
• The option to create a geometrical model of the lining in a separate pre-processor using data in an external format (such as DXF).
• The simple introduction of the lining into the soil/rock body - topology correction and mesh generation are fully automatic
• Any number of construction stages
• Loading of the lining geometry in DXF format
• Use of a relaxation factor to model the 3D behavior of the body during excavation
• The introduction of hinges
• Temperature loads
• Consideration of soil swelling
• Consideration of lining shrinkage
• Analysis of a secondary lining either by changing the geometrical parameters (1D elements) or by changing the parameters of the original lining to allow the transfer of stresses (2D elements)
• The introduction of monitoring points anywhere in the body
• Graphical representation of the distribution of internal forces on active parts of the lining
• The introduction of anchors fixed at their end points or along their length(s)
• The introduction of anchors as a region of improved soil mass (anchored region)

* The module is not available separately. The FEM program is required.

• Common features of GEO5 programs

Screenshots of program Tunnel

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