Spectra-precision Survey Pro v4.6 Recon and Nomad User Manual Instrukcja Użytkownika Pobierz pdf (Strona 109)

100

101

Road Layout

Add Super Elevations

19. Tap the Super Elevations tab where we will insert a

super elevation at the beginning and end of a curve

for the left and right sides of the road.

20. With <End> selected in the Left column, tap the

Add… button. This opens the Add Left Super

Elevation screen, which allows you to add a super

elevation to the left side of the road.

21. We will start the super elevation 100 feet from the

beginning of the road so enter 1+00 in the Start

Station field.

22. The super elevation will be at the final slope after 25

feet so enter 1+25 in the End Station field.

23. The start slope must be the same as the slope of the

first segment of the template that leads into the

super elevation, so leave the Start Slope field set to

-2.

24. We want the ending slope to be 8% so in the End

Slope field, enter 8 for simplicity, we will not use

parabolic transitions so leave those fields set to 0.

25. Most super elevations hinge at center so be sure the

Hinge on field is toggled to Center and then tap to continue.

This will complete the super elevation for the beginning of the

curve on the left side of the road.

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Spectra-precision Survey Pro v4.6 Recon and Nomad User Manual Instrukcja Użytkownika Strona 109

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