Autodesk CIVIL3D Tutorial - Page 262
In the Use Design Check Set list, select 50kmh Roadway Length Checks., Exercise 4 - civil 3d support
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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 Exercise 4: Modifying a Design Criteria File (page 259). ■ 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 Exercise 4: Modifying a Design Criteria File (page 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 Exercise 3: Working with Design Checks (page 256). Draw alignment entities that meet the specified design criteria 1 On the Alignment Layout Tools toolbar, click Curves). Tangent-Tangent (No 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