Autodesk CIVIL3D Tutorial - Page 414
Exercise 2: Balancing Cut and Fill Volumes
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The first two points are set to the same grade, and the shape of the grading changes in response to the elevation change. Flattening the grade holds the elevation values of the first and last selected points and modifies elevations of the points in between. 3 Click Show Grade Breaks Only. The second station's row is hidden, because there was no difference in grade between it and the previous station. 4 In the first row, change the Grade Ahead value to -3.000%. 5 Click Show Grade Breaks Only. Notice that the second station's grade has changed to reflect the change you made in step 4. 6 Click to close the Grading Elevation Editor. To continue this tutorial, go to Exercise 2: Balancing Cut and Fill Volumes (page 402). Exercise 2: Balancing Cut and Fill Volumes In this exercise, you will adjust the elevation of a building pad to balance the cut and fill volumes. For more information, see the AutoCAD Civil 3D Help topic Displaying and Adjusting Surface Volumes. This exercise continues from Exercise 1: Editing the Grading Elevation (page 400). Balance cut and fill volumes NOTE This exercise uses Grading-4.dwg with the modifications you made in the previous exercise, or you can open Grading-5.dwg from the tutorial drawings folder (page 819). 1 Click Analyze tab ➤ Volumes And Materials panel ➤ Grading Volume Tools . On the Grading Volume Tools toolbar, notice that the Group is set to Building Pad, which is the only grading group in the drawing. The fields 402 | Chapter 11 Grading Tutorials
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