Getting Started
Program Assumptions
What's New in Version 3.0
Steps for a Typical Analysis
General Features
Tunnel Geometry
    Opening Section Definition
    Defining the Opening Section
       Opening Section View
       Opening Section Coordinates
       View Limits
       Add Opening Section
       Entering Coordinates
       Drawing Arc Segments
       Import DXF File
       Export DXF File
       Snap
       Grid
    Editing the Opening Section
Tunnel Properties
Joint Orientations
Joint Properties
Viewing and Display Options
Analysis Information
Field Stress
Scaling Wedges
Adding and Editing Support
Support Properties
Tunnel Axis Plot
Theory
Tutorials
References