To Add a Tunnel Corridor

The tunnel corridor is a collection of tunnel units that belong to the same entity.

To add a tunnel corridor to the project, use the following procedure.

Either:
On the Home ribbon tab, select the Add Tunnel Corridor tool in the Tunnel Corridor Setup group.

or

Key in TDGEOMETRY TUNNELCORRIDOR ADD
The Add Tunnel Corridor setting dialog opens.
(Optional) Type a tunnel corridor name and Description.
Tip: The tunnel corridor Name value will be automatically generated for you.
(Optional) Type a Tunnel Unit Name and Description.
Tip: The unit Name value will be automatically generated for you.
Select the Tunnel Type to use from the drop-down list:

TBM

Conventional

In a view window, select an alignment.

Data point anywhere in the view window to accept.

A new tunnel corridor and tunnel unit are added to the model. The new tunnel unit is set as the active unit.