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~TNADDEL

 

~TNADDEL, MPI, MPF, if

Defines a stretch of the tunnel in elevation view

PREP7: GEOTECHNICAL MODULE: Tunnels

MPI, MPF

First and last mile points (MPs) of the stretch. MPI should be defined previously with the ~TNINIP command, the point MPF is created with this command. If MPI is omitted the program takes the end of the last defined stretch.

IF

Slope in a hundred per cent in the initial point.

 

Notes

- The tunnel layout must be specified in one form only: plan view or elevation view. If the first tunnel’s stretch was defined in elevation view (resp. in plan view using the ~TNADDPL command) then next stretches must be specified in the same form.

- In elevation view the tunnel path can be defined as a sequence of straight or parabolic stretches.

- From the first point of the path (defined with the ~TNINIP command) each stretch situates new points, being supported in the end of the previous stretch.

- The assigned value of the slope in the first point is that of in the end point.

- The stretches should be introduced correlatively in the numbering without laps in the points.

Menu Paths

Main Menu > CIVIL Preprocessor > Geotech. Mod. > Tunnels > 3D > E View Generation > Define Elevation View

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