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Mastering AutoCAD® Civil 3D® 2012 by Louisa Holland, Richard Graham

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Getting Ready for Super

Several pieces need to be in place before superelevation can be applied to the design. You will need a design criteria file appropriate for your region, design speeds applied to an alignment, and an assembly that is capable of superelevating.

There are a lot of abbreviations and terminology thrown around when it comes to superelevation, so let’s take a look at that first.

When an assembly is applied without superelevation, the geometry comes directly from the original design, as shown in Figure 11-1.

Figure 11-1: An example assembly without superelevation

f1101.tif

As the assembly begins its entrance into a curve with superelevation ...

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