Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 262

When this option is selected, the criteria-based design tools are available.
There are two check boxes that are selected by default:
Use Design Criteria File The design criteria file is an XML file that
contains minimum design standards for alignment and profile objects.
The design criteria file can be customized to support local design
standards for design speed, superelevation, and minimum speed,
radius, and length of individual entities. The Default Criteria table
lists the properties that are included in the default design criteria file,
the location of which is displayed in the field above the Default
Criteria table.
You will learn more about the design criteria file in
Modifying a Design Criteria File
Use Design Check Set Design checks are user-defined formulas that
verify alignment and profile parameters that are not contained in the
design criteria file. Design checks must be included in a design check
set, which is applied to an alignment or profile.
7 In the Use Design Criteria File area, click
8 In the Select Design Speed Table dialog box, select _Autodesk Civil 3D
Metric Roadway Design Standards.xml. Click Open.
For this exercise, you will use AASHTO 2001 standards, which are included
in the provided design criteria files. You will learn about creating a custom
design criteria file in
259).
9 In the Default Criteria table, in the Minimum Radius Table row, change
the Value to AASHTO 2001 eMax 6%.
10 In the Use Design Check Set list, select 50kmh Roadway Length Checks.
Click OK.
This design check set contains a simple design check. You will create
another design check and add it to this design check set in
Working with Design Checks
Draw alignment entities that meet the specified design criteria
1 On the Alignment Layout Tools toolbar, click
Curves).
2 Snap to the center of Circle A to specify a start point for the alignment.
Stretch a line out, and specify additional PIs by snapping to the center
250 | Chapter 8 Alignments Tutorials
(page 259).
Exercise 4: Modifying a Design Criteria File
(page 256).
Exercise 4:
.
(page
Exercise 3:
Tangent-Tangent (No