1. Advanced Superelevation Roadway Design Using Non-Center Axis of Rotations
Karen Dowling
Senior QA Analyst
.com

2. Class Summary Class: CI4031
This class focuses on the enhanced superelevation functions now available in AutoCAD® Civil 3D®, specifically axis-of-rotation (AOR).
Using the new LaneSuperelevationAOR subassembly to define potential pivot points, users can define cross-sectional components in a very flexible manner and allows the dynamic editing of the axis of rotation to quickly validate various alternatives.

3. First Things First …. Please silence phones
Hold questions till the end
Session handout and evaluations
Special Thanks To
Lisa Fox, Principle Engineer, Autodesk, Inc.

4. Agenda Identify Key Prerequisites For Design Success
Review the Big Picture
Review new Superelevation Wizard UI
Review the new LaneSuperelevationAOR subassembly
Ex. 1- Create a corridor for simple roadways using Axis of Rotation Points
Ex. 2 - Create a corridor for divided roadway. Control median geometry
Ex. 3 – Review Towards Crown SA parameter
Ex. 4 – Real life example

5. Key Prerequisites for Success
1. Alignment Layout & Design
final or approaching final layout
2. Roadway Design Defined
Number of lanes
Divided or Undivided roadway
Crowned or Planar roadway section
Distorted or maintained median

6. Review New UI - Assigning Pivot Method

7. The Big Picture 1. Define Alignment 2. Select Axis of Rotation Point
AOR is a workflow
3. Calculate Superelevated Lane Slopes
4. Create an Assembly that supports Superelevation and Axis of Rotation
Build a corridor that uses all this data.

8. Using The New LaneSuperelevationAOR Subassembly
LaneSuperelevationAOR is the only subassembly provided in C3D content that supports AOR pivot points.
If LaneSuperelevationAOR (or a custom subassembly supporting pivot points) is NOT contained in the assembly, the pivot method specified in the SE wizard will be ignored and “Baseline” pivot type will be applied.

9. Ex. 1 Create and edit a corridor for a simple roadway section using Axis of Rotation Points

10. Creating Assemblies for Divided Highways
Curve to the Right
Maintain Median
Shape
Distort Median
Shape

11. Ex. 2 Create a corridor for divided roadway
Ex. 2 Create a corridor for divided roadway. Control median geometry – maintain or distort shape.

12. Build divided road from baseline Toward Crown
Construct Assemblies Using Toward Crown slope direction
Build divided road from crowns of barrels
Away from crowns
Build divided road from baseline Toward Crown

13. Ex. 3 Create a Divided Crowned Assembly using towards crown subassembly parameter.

14. Ex. 4 Authentic application: Adjust pivot method to assist with managing design constraints

15. Pivoting about ETW (or other non center point) is possible
Summary
Pivoting about ETW (or other non center point) is possible
Controlling median geometry is possible
Many existing subassemblies behave well with non-center pivot points
You can add AOR support to your custom subassemblies

16. Questions?
Superelevation 101, AU 2010 Class CV-2284C
Talk after class
Find me in the Autodesk AEC Lounge
Tonight 3:30 – 6:30pm

17. Thank You! *Please Remember Class Evaluations
Karen Dowling Senior QA Analyst .com

18. $25,000+ in Prizes sponsored by Autodesk and HP
Show Us Your Best Work! Autodesk Excellence in Infrastructure Competition
$25,000+ in Prizes sponsored by Autodesk and HP
Autodesk is holding an Excellence in Infrastructure Competition
-Show us your best work!
-Submit your projects for a chance to win prizes, like a trip to AU 2012, cash, and an HP Workstation
-Visit starting Dec 1 for more details and submittal information
A Trip to Autodesk University 2012
HP Workstation
Cash
Visit

19. Autodesk, AutoCAD* [*if/when mentioned in the pertinent material, followed by an alphabetical list of all other trademarks mentioned in the material] are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries. All other brand names, product names, or trademarks belong to their respective holders. Autodesk reserves the right to alter product and services offerings, and specifications and pricing at any time without notice, and is not responsible for typographical or graphical errors that may appear in this document. © 2011 Autodesk, Inc. All rights reserved.